/**
 * TBX SwimManager — Custom CSS
 * Dual-theme Aquatic Design System (Dark + Light)
 * Requirements: 10.3, 10.4, 10.5
 *
 * PRODUCTION: npx cssnano custom.css custom.min.css
 */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&display=swap');

/* ════════════════════════════════════════════════════
   DESIGN TOKENS — DARK (default)
   ════════════════════════════════════════════════════ */
:root,
[data-theme="dark"] {
    /* Backgrounds */
    --bg: #050d1a;
    --bg-2: #091526;
    --surface: #0d1f35;
    --surface-2: #112843;
    --surface-3: #0a2540;

    /* Accents */
    --teal: #00c6b8;
    --cyan: #38d9f5;
    --teal-dim: rgba(0, 198, 184, 0.12);
    --cyan-dim: rgba(56, 217, 245, 0.12);
    --accent-grad: linear-gradient(135deg, #00c6b8, #38d9f5);

    /* Text */
    --text: #f0f7fb;
    --text-2: #a8c0cc;
    --text-3: rgba(168, 192, 204, 0.45);

    /* Borders */
    --border: rgba(56, 217, 245, 0.1);
    --border-hover: rgba(56, 217, 245, 0.3);
    --border-focus: rgba(0, 198, 184, 0.6);

    /* Status */
    --success: #1fd08c;
    --success-dim: rgba(31, 208, 140, 0.12);
    --success-text: #5df0b5;
    --danger: #f05a6e;
    --danger-dim: rgba(240, 90, 110, 0.12);
    --danger-text: #f08090;
    --warning: #f5a623;
    --warning-dim: rgba(245, 166, 35, 0.12);
    --warning-text: #f5c060;
    --info: #38d9f5;
    --info-dim: rgba(56, 217, 245, 0.12);
    --info-text: #38d9f5;

    /* Shadows */
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 0 24px rgba(0, 198, 184, 0.18);

    /* Sidebar */
    --sidebar-bg: #091526;
    --sidebar-border: rgba(56, 217, 245, 0.08);

    /* Navbar */
    --navbar-bg: rgba(5, 13, 26, 0.94);

    /* Footer */
    --footer-bg: #060f1e;
    --footer-border: #091e35;

    /* Form fields */
    --input-bg: #0a2540;
    --input-bg-focus: #112843;

    /* Table */
    --table-bg: #0d1f35;
    --table-head-bg: rgba(0, 198, 184, 0.1);
    --table-row-hover: rgba(0, 198, 184, 0.06);
    --table-stripe: rgba(0, 198, 184, 0.08);

    /* Modal */
    --modal-bg: #091526;

    /* Scrollbar */
    --scrollbar-thumb: rgba(56, 217, 245, 0.18);
    --scrollbar-track: transparent;

    /* ── Bootstrap variable overrides (dark) ── */
    --bs-body-bg: #050d1a;
    --bs-body-color: #f0f7fb;
    --bs-border-color: rgba(56, 217, 245, 0.1);
    --bs-border-color-translucent: rgba(56, 217, 245, 0.1);
    --bs-card-bg: #0d1f35;
    --bs-card-border-color: rgba(56, 217, 245, 0.1);
    --bs-card-cap-bg: rgba(0, 198, 184, 0.1);
    --bs-table-bg: #0d1f35;
    --bs-table-color: #f0f7fb;
    --bs-table-border-color: rgba(56, 217, 245, 0.1);
    --bs-table-striped-bg: rgba(0, 198, 184, 0.06);
    --bs-table-striped-color: #f0f7fb;
    --bs-table-hover-bg: rgba(0, 198, 184, 0.08);
    --bs-table-hover-color: #f0f7fb;
    --bs-table-active-bg: rgba(0, 198, 184, 0.1);
    --bs-modal-bg: #091526;
    --bs-modal-border-color: rgba(56, 217, 245, 0.1);
    --bs-modal-header-bg: rgba(0, 198, 184, 0.08);
    --bs-modal-footer-bg: transparent;
    --bs-dropdown-bg: #0d1f35;
    --bs-dropdown-border-color: rgba(56, 217, 245, 0.1);
    --bs-dropdown-divider-bg: rgba(56, 217, 245, 0.1);
    --bs-dropdown-link-color: #a8c0cc;
    --bs-dropdown-link-hover-bg: rgba(0, 198, 184, 0.1);
    --bs-dropdown-link-hover-color: #00c6b8;
    --bs-input-bg: #0a2540;
    --bs-input-border-color: rgba(56, 217, 245, 0.15);
    --bs-input-color: #f0f7fb;
    --bs-input-focus-border-color: #00c6b8;
    --bs-input-placeholder-color: rgba(168, 192, 204, 0.4);
    --bs-form-select-bg: #0a2540;
    --bs-nav-link-color: #a8c0cc;
    --bs-nav-link-hover-color: #00c6b8;
    --bs-pagination-bg: #0d1f35;
    --bs-pagination-border-color: rgba(56, 217, 245, 0.1);
    --bs-pagination-color: #a8c0cc;
    --bs-pagination-hover-bg: rgba(0, 198, 184, 0.1);
    --bs-pagination-hover-color: #00c6b8;
    --bs-pagination-active-bg: #00c6b8;
    --bs-pagination-active-border-color: #00c6b8;
    --bs-list-group-bg: #0d1f35;
    --bs-list-group-border-color: rgba(56, 217, 245, 0.1);
    --bs-list-group-color: #f0f7fb;
    --bs-list-group-hover-bg: rgba(0, 198, 184, 0.08);
    --bs-list-group-action-hover-color: #00c6b8;
    --bs-tooltip-bg: #112843;
    --bs-tooltip-color: #f0f7fb;
    --bs-popover-bg: #091526;
    --bs-popover-border-color: rgba(56, 217, 245, 0.1);
    --bs-popover-header-bg: rgba(0, 198, 184, 0.08);
    --bs-popover-body-color: #a8c0cc;
    --bs-breadcrumb-divider-color: rgba(168, 192, 204, 0.35);
    --bs-breadcrumb-item-active-color: #a8c0cc;
    --bs-hr-color: rgba(56, 217, 245, 0.12);
    --bs-hr-opacity: 1;
    --bs-link-color: #00c6b8;
    --bs-link-hover-color: #38d9f5;
    --bs-secondary-bg: #112843;
    --bs-tertiary-bg: #0d1f35;
    --bs-emphasis-color: #f0f7fb;
    --bs-secondary-color: #a8c0cc;
    --bs-tertiary-color: rgba(168, 192, 204, 0.45);
}

/* ════════════════════════════════════════════════════
   DESIGN TOKENS — LIGHT
   ════════════════════════════════════════════════════ */
[data-theme="light"] {
    /* Backgrounds */
    --bg: #f0f7fb;
    --bg-2: #e4f0f6;
    --surface: #ffffff;
    --surface-2: #f7fbfd;
    --surface-3: #eaf4f9;

    /* Accents — same teal/cyan, slightly richer */
    --teal: #009e94;
    --cyan: #0fb8d4;
    --teal-dim: rgba(0, 158, 148, 0.1);
    --cyan-dim: rgba(15, 184, 212, 0.1);
    --accent-grad: linear-gradient(135deg, #009e94, #0fb8d4);

    /* Text */
    --text: #0a2540;
    --text-2: #4a6b80;
    --text-3: rgba(74, 107, 128, 0.5);

    /* Borders */
    --border: rgba(0, 158, 148, 0.18);
    --border-hover: rgba(0, 158, 148, 0.4);
    --border-focus: rgba(0, 158, 148, 0.65);

    /* Status */
    --success: #0e9e6a;
    --success-dim: rgba(14, 158, 106, 0.1);
    --success-text: #0a7a52;
    --danger: #d93048;
    --danger-dim: rgba(217, 48, 72, 0.1);
    --danger-text: #b02038;
    --warning: #d4860a;
    --warning-dim: rgba(212, 134, 10, 0.1);
    --warning-text: #a06008;
    --info: #0fb8d4;
    --info-dim: rgba(15, 184, 212, 0.1);
    --info-text: #0890aa;

    /* Shadows */
    --shadow: 0 2px 16px rgba(10, 37, 64, 0.1);
    --shadow-lg: 0 8px 32px rgba(10, 37, 64, 0.15);
    --shadow-glow: 0 0 20px rgba(0, 158, 148, 0.15);

    /* Sidebar */
    --sidebar-bg: #ffffff;
    --sidebar-border: rgba(0, 158, 148, 0.12);

    /* Navbar */
    --navbar-bg: rgba(255, 255, 255, 0.95);

    /* Footer */
    --footer-bg: #e4f0f6;
    --footer-border: #cce3ed;

    /* Form fields */
    --input-bg: #ffffff;
    --input-bg-focus: #f0fbfd;

    /* Table */
    --table-bg: #ffffff;
    --table-head-bg: rgba(0, 158, 148, 0.08);
    --table-row-hover: rgba(0, 158, 148, 0.06);
    --table-stripe: rgba(0, 158, 148, 0.025);

    /* Modal */
    --modal-bg: #ffffff;

    /* Scrollbar */
    --scrollbar-thumb: rgba(0, 158, 148, 0.25);
    --scrollbar-track: transparent;

    /* ── Bootstrap variable overrides (light) ── */
    --bs-body-bg: #f0f7fb;
    --bs-body-color: #0a2540;
    --bs-border-color: rgba(0, 158, 148, 0.18);
    --bs-border-color-translucent: rgba(0, 158, 148, 0.15);
    --bs-card-bg: #ffffff;
    --bs-card-border-color: rgba(0, 158, 148, 0.18);
    --bs-card-cap-bg: rgba(0, 158, 148, 0.07);
    --bs-table-bg: #ffffff;
    --bs-table-color: #0a2540;
    --bs-table-border-color: rgba(0, 158, 148, 0.15);
    --bs-table-striped-bg: rgba(0, 158, 148, 0.04);
    --bs-table-striped-color: #0a2540;
    --bs-table-hover-bg: rgba(0, 158, 148, 0.06);
    --bs-table-hover-color: #0a2540;
    --bs-modal-bg: #ffffff;
    --bs-modal-border-color: rgba(0, 158, 148, 0.18);
    --bs-dropdown-bg: #ffffff;
    --bs-dropdown-border-color: rgba(0, 158, 148, 0.18);
    --bs-dropdown-divider-bg: rgba(0, 158, 148, 0.12);
    --bs-dropdown-link-color: #4a6b80;
    --bs-dropdown-link-hover-bg: rgba(0, 158, 148, 0.08);
    --bs-dropdown-link-hover-color: #009e94;
    --bs-input-bg: #ffffff;
    --bs-input-border-color: rgba(0, 158, 148, 0.25);
    --bs-input-color: #0a2540;
    --bs-input-focus-border-color: #009e94;
    --bs-nav-link-color: #4a6b80;
    --bs-nav-link-hover-color: #009e94;
    --bs-pagination-bg: #ffffff;
    --bs-pagination-border-color: rgba(0, 158, 148, 0.2);
    --bs-pagination-color: #4a6b80;
    --bs-pagination-hover-bg: rgba(0, 158, 148, 0.08);
    --bs-pagination-hover-color: #009e94;
    --bs-pagination-active-bg: #009e94;
    --bs-pagination-active-border-color: #009e94;
    --bs-list-group-bg: #ffffff;
    --bs-list-group-border-color: rgba(0, 158, 148, 0.15);
    --bs-list-group-color: #0a2540;
    --bs-breadcrumb-divider-color: rgba(74, 107, 128, 0.45);
    --bs-hr-color: rgba(0, 158, 148, 0.18);
    --bs-hr-opacity: 1;
    --bs-link-color: #009e94;
    --bs-link-hover-color: #007a72;
    --bs-secondary-bg: #f7fbfd;
    --bs-tertiary-bg: #eaf4f9;
    --bs-emphasis-color: #0a2540;
    --bs-secondary-color: #4a6b80;
    --bs-tertiary-color: rgba(74, 107, 128, 0.5);
}

/* ════════════════════════════════════════════════════
   CONSTANTS (theme-independent)
   ════════════════════════════════════════════════════ */
:root {
    --navbar-h: 62px;
    --sidebar-w: 220px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --radius-lg: 18px;
    --radius-pill: 50px;
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --transition: 0.2s ease;
}

/* ════════════════════════════════════════════════════
   GLOBAL RESET & BASE
   ════════════════════════════════════════════════════ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    /* theme transition on switch */
    transition: background-color 0.3s, color 0.3s;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.925rem;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    overflow-x: initial;
    overflow-y: scroll;
    /* Force scrollbar to prevent layout shift */
    display: flex;
    flex-direction: column;
}

/* Noise overlay — dark only */
[data-theme="dark"] body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9998;
}

/* Scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--cyan);
}

h1,
h2,
h3 {
    font-family: var(--font-display);
    letter-spacing: 0.04em;
    font-weight: 400;
    color: var(--text);
    line-height: 1.1;
}

h4,
h5,
h6 {
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--text);
}

p {
    color: var(--text-2);
}

a {
    color: var(--teal);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--cyan);
}

hr,
.sidebar hr,
.dropdown-divider {
    border-color: var(--border) !important;
    color: var(--border) !important;
    opacity: 1 !important;
    background-color: var(--border) !important;
}

/* ════════════════════════════════════════════════════
   APP LAYOUT STRUCTURE
   ════════════════════════════════════════════════════ */
.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    flex: 1;
}

.app-body {
    display: flex;
    flex: 1;
    padding-top: var(--navbar-h);
}

/* ════════════════════════════════════════════════════
   SKIP LINK (Accessibility)
   ════════════════════════════════════════════════════ */
.skip-to-main {
    position: absolute;
    top: -52px;
    left: 16px;
    background: var(--teal);
    color: #fff;
    padding: 10px 20px;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    z-index: 99999;
    transition: top 0.2s;
}

.skip-to-main:focus {
    top: 0;
    outline: 3px solid var(--cyan);
    outline-offset: 2px;
    color: #fff;
}

/* ════════════════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════════════════ */
.navbar {
    height: var(--navbar-h);
    background: var(--navbar-bg) !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 0 24px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: 1.4rem;
    letter-spacing: 0.12em;
    color: var(--teal) !important;
    transition: color var(--transition);
}

.navbar-brand em {
    color: var(--text-3);
    font-style: normal;
}

.navbar-text {
    color: var(--text-2) !important;
    font-size: 0.875rem;
}

.navbar .nav-link {
    color: var(--text-2) !important;
    font-size: 0.875rem;
    transition: color var(--transition);
}

.navbar .nav-link:hover {
    color: var(--teal) !important;
}

.navbar .btn-outline-light,
.navbar .btn-outline-secondary {
    border-color: var(--border-hover);
    color: var(--text-2);
    background: transparent;
    transition: all var(--transition);
}

.navbar .btn-outline-light:hover,
.navbar .btn-outline-secondary:hover {
    background: var(--teal-dim);
    border-color: var(--teal);
    color: var(--teal);
}

/* Mobile navbar */
@media (max-width: 767.98px) {
    .navbar-collapse {
        background: var(--surface);
        margin: 0 -24px;
        padding: 14px 24px 20px;
        border-top: 1px solid var(--border);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    .navbar-nav {
        width: 100%;
    }

    .navbar-text {
        display: block;
        margin-bottom: 10px;
        padding: 6px 0;
    }

    .navbar .btn {
        width: 100%;
        margin-top: 8px;
        justify-content: center;
    }
}

/* ════════════════════════════════════════════════════
   SIDEBAR
   ════════════════════════════════════════════════════ */

/* Override Bootstrap's .collapse (display:none) on desktop */
@media (min-width: 768px) {

    .sidebar.collapse,
    .sidebar.collapsing {
        display: block !important;
        visibility: visible !important;
        height: auto !important;
        overflow-y: auto !important;
    }
}

.sidebar {
    position: fixed;
    top: var(--navbar-h);
    bottom: 0;
    left: 0;
    width: var(--sidebar-w);
    z-index: 100;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px 0 100px;
    transition: background var(--transition), border-color var(--transition), transform 0.3s ease;
}

.sidebar-heading {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-3);
    padding: 18px 20px 6px;
}

.sidebar hr {
    margin: 8px 16px;
    width: calc(100% - 32px);
}

.sidebar .nav-link {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-2);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 0;
    transition: background var(--transition), color var(--transition), padding-left var(--transition);
    position: relative;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar .nav-link i {
    font-size: 1rem;
    opacity: 0.65;
    flex-shrink: 0;
    transition: opacity var(--transition);
}

.sidebar .nav-link:hover {
    background: var(--teal-dim);
    color: var(--teal);
    padding-left: 26px;
}

.sidebar .nav-link:hover i {
    opacity: 1;
}

.sidebar .nav-link.active {
    background: var(--teal-dim);
    color: var(--teal);
    font-weight: 500;
}

.sidebar .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 3px;
    background: var(--accent-grad);
    border-radius: 0 2px 2px 0;
}

.sidebar .nav-link.active i {
    opacity: 1;
}

/* Mobile sidebar */
@media (max-width: 767.98px) {
    .sidebar {
        position: fixed;
        top: var(--navbar-h);
        left: 0;
        right: 0;
        width: 100%;
        height: auto;
        max-height: calc(100vh - var(--navbar-h));
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 8px 0 16px;
        z-index: 200;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .sidebar.show,
    .sidebar.collapse.show {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .sidebar .nav-link {
        padding: 13px 20px;
        font-size: 0.95rem;
        border-bottom: 1px solid var(--border);
    }

    .sidebar .nav-link i {
        font-size: 1.1rem;
    }
}

/* ════════════════════════════════════════════════════
   MAIN CONTENT
   ════════════════════════════════════════════════════ */
main {
    flex: 1;
    min-width: 0;
    background-color: var(--bg);
    transition: background var(--transition);
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    main {
        margin-left: var(--sidebar-w);
    }
}

.main-content-inner {
    padding: 24px;
    width: 100%;
    max-width: 100%;
    flex: 1 0 auto;
}

@media (min-width: 992px) {
    .main-content-inner {
        padding: 32px;
    }
}

@media (min-width: 1200px) {
    .main-content-inner {
        max-width: 1600px;
        margin: 0 auto;
        min-width: 960px;
        /* Ensure a stable minimum width for the content area */
    }
}

@media (min-width: 1400px) {
    .main-content-inner {
        padding: 32px 40px;
    }
}

/* Page header */
.page-header {
    margin-bottom: 28px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1,
.page-header h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    margin: 0;
    color: var(--text);
}

.page-header p {
    color: var(--text-2);
    margin: 4px 0 0;
    font-size: 0.875rem;
}

/* Breadcrumb */
.breadcrumb-item {
    font-size: 0.8rem;
    color: var(--text-3);
}

.breadcrumb-item+.breadcrumb-item::before {
    color: var(--text-3);
}

.breadcrumb-item.active {
    color: var(--text-2);
}

.breadcrumb-item a {
    color: var(--teal);
}

/* ════════════════════════════════════════════════════
   CARDS
   ════════════════════════════════════════════════════ */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s, background var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--border-hover);
}

.card-header {
    background: var(--table-head-bg);
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 14px 20px;
    letter-spacing: 0.02em;
    transition: background var(--transition);
}

.card-header .card-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    margin: 0;
}

.card-body {
    padding: 20px;
}

.card-footer {
    background: var(--surface-2);
    border-top: 1px solid var(--border);
    padding: 12px 20px;
}

[data-theme="dark"] .card-footer {
    background: rgba(0, 198, 184, 0.02);
}

/* Highlighted top border on hover */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-grad);
    opacity: 0;
    transition: opacity 0.25s;
}

.card {
    position: relative;
}

.card:hover::before {
    opacity: 1;
}

/* Glass variant */
.card-glass {
    background: rgba(13, 31, 53, 0.65);
    backdrop-filter: blur(12px);
    border-color: var(--border);
}

[data-theme="light"] .card-glass {
    background: rgba(255, 255, 255, 0.7);
}

/* ════════════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════════════ */
.btn {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.03em;
    border-radius: var(--radius-pill);
    padding: 9px 22px;
    border: 1.5px solid transparent;
    transition: transform var(--transition), box-shadow var(--transition),
        background var(--transition), border-color var(--transition), color var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0) scale(0.98);
}

/* Primary */
.btn-primary {
    background: var(--accent-grad);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0, 198, 184, 0.25);
}

[data-theme="light"] .btn-primary {
    color: #fff;
}

.btn-primary:hover {
    box-shadow: 0 8px 24px rgba(0, 198, 184, 0.4);
    color: #fff;
    border-color: transparent;
}

.btn-primary:focus-visible {
    outline-color: var(--teal);
}

/* Outline primary */
.btn-outline-primary {
    border-color: var(--border-hover);
    color: var(--teal);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--teal-dim);
    border-color: var(--teal);
    color: var(--teal);
    box-shadow: 0 4px 14px rgba(0, 198, 184, 0.18);
}

/* Success */
.btn-success {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}

.btn-success:hover {
    box-shadow: 0 6px 18px rgba(31, 208, 140, 0.35);
    color: #fff;
}

.btn-outline-success {
    border-color: var(--success);
    color: var(--success);
    background: transparent;
}

.btn-outline-success:hover {
    background: var(--success-dim);
    color: var(--success);
    border-color: var(--success);
}

/* Danger */
.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    box-shadow: 0 6px 18px rgba(240, 90, 110, 0.35);
    color: #fff;
}

.btn-outline-danger {
    border-color: var(--danger);
    color: var(--danger);
    background: transparent;
}

.btn-outline-danger:hover {
    background: var(--danger-dim);
    color: var(--danger);
    border-color: var(--danger);
}

/* Warning */
.btn-warning {
    background: var(--warning);
    border-color: var(--warning);
    color: #fff;
}

.btn-warning:hover {
    box-shadow: 0 6px 18px rgba(245, 166, 35, 0.3);
    color: #fff;
}

/* Info */
.btn-info {
    background: var(--info);
    border-color: var(--info);
    color: #fff;
}

[data-theme="light"] .btn-info {
    color: #fff;
}

.btn-info:hover {
    box-shadow: 0 6px 18px rgba(56, 217, 245, 0.3);
    color: #fff;
}

/* Secondary */
.btn-secondary {
    background: var(--surface-2);
    border-color: var(--border);
    color: var(--text-2);
}

.btn-secondary:hover {
    background: var(--surface-3);
    border-color: var(--border-hover);
    color: var(--text);
}

/* Light */
.btn-light {
    background: var(--surface-2);
    border-color: var(--border);
    color: var(--text);
}

.btn-light:hover {
    background: var(--surface-3);
    color: var(--text);
}

/* Sm */
.btn-sm {
    padding: 6px 16px;
    font-size: 0.8rem;
}

/* ════════════════════════════════════════════════════
   FORMS
   ════════════════════════════════════════════════════ */
.form-label {
    font-weight: 500;
    font-size: 0.78rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-2);
    margin-bottom: 6px;
}

.form-control,
.form-select {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 10px 14px;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-control::placeholder {
    color: var(--text-3);
}

.form-control:focus,
.form-select:focus {
    background: var(--input-bg-focus);
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(0, 198, 184, 0.15);
    color: var(--text);
    outline: none;
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2300c6b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 14px;
    padding-right: 36px;
    -webkit-appearance: none;
    appearance: none;
}

.form-select option {
    background: var(--surface);
    color: var(--text);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(240, 90, 110, 0.15);
}

.form-control.is-valid {
    border-color: var(--success);
}

.form-control.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(31, 208, 140, 0.15);
}

.invalid-feedback {
    color: var(--danger-text);
    font-size: 0.78rem;
    margin-top: 5px;
}

.valid-feedback {
    color: var(--success);
    font-size: 0.78rem;
    margin-top: 5px;
}

.form-text {
    color: var(--text-3);
    font-size: 0.78rem;
    margin-top: 5px;
}

.required::after {
    content: " *";
    color: var(--danger);
}

.input-group-text {
    background: var(--surface-2);
    border-color: var(--border);
    color: var(--teal);
    font-size: 0.875rem;
}

.form-check-input {
    background-color: var(--input-bg);
    border-color: var(--border-hover);
}

.form-check-input:checked {
    background-color: var(--teal);
    border-color: var(--teal);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(0, 198, 184, 0.15);
    border-color: var(--teal);
}

.form-check-label {
    color: var(--text-2);
    font-size: 0.875rem;
}

/* ════════════════════════════════════════════════════
   TABLES
   ════════════════════════════════════════════════════ */
.table-responsive {
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table {
    background: var(--table-bg);
    color: var(--text);
    margin: 0;
    font-size: 0.875rem;
    transition: background var(--transition);
}

.table thead th {
    background: var(--table-head-bg);
    color: var(--teal);
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    border: none;
    padding: 13px 16px;
    white-space: nowrap;
    transition: background var(--transition);
}

.table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.table tbody tr:last-child {
    border-bottom: none;
}

.table tbody tr:hover {
    background: var(--table-row-hover);
}

.table-striped>tbody>tr:nth-of-type(odd)>* {
    /* Bootstrap 5.3 uses --bs-table-bg-state for striped rows */
    --bs-table-bg-state: var(--table-stripe) !important;
    --bs-table-color-state: var(--text-2) !important;
    --bs-table-accent-bg: var(--table-stripe) !important;
    --bs-table-striped-bg: var(--table-stripe) !important;
    --bs-table-striped-color: var(--text-2) !important;
    background-color: var(--table-stripe) !important;
    color: var(--text-2) !important;
}

/* Also kill Bootstrap's default white striped on any .table without explicit stripe color */
[data-theme="dark"] .table> :not(caption)>*>* {
    background-color: transparent;
    color: var(--text-2);
    border-bottom-color: var(--border);
}

[data-theme="dark"] .table-striped>tbody>tr:nth-of-type(odd)>* {
    background-color: var(--table-stripe) !important;
}

.table td {
    vertical-align: middle;
    padding: 11px 16px;
    color: var(--text-2);
    border: none;
    transition: color var(--transition);
}

.table td strong {
    color: var(--text);
    font-weight: 500;
}

.table th {
    border: none;
}

/* ════════════════════════════════════════════════════
   MOBILE CARDS (table fallback)
   ════════════════════════════════════════════════════ */
@media (max-width: 767.98px) {
    .table-responsive table {
        display: none;
    }

    .mobile-cards {
        display: block;
    }
}

@media (min-width: 768px) {
    .mobile-cards {
        display: none;
    }
}

.mobile-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, border-color 0.2s, background var(--transition);
}

.mobile-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
}

.mobile-card-title {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.06em;
    color: var(--teal);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.mobile-card-field {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}

.mobile-card-field:last-of-type {
    border-bottom: none;
}

.mobile-card-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-3);
    white-space: nowrap;
    flex-shrink: 0;
}

.mobile-card-value {
    color: var(--text);
    text-align: right;
    font-size: 0.875rem;
}

.mobile-card-actions {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.mobile-card-actions .btn {
    flex: 1;
    min-width: 90px;
    justify-content: center;
}

/* d-md-none cards */
.d-md-none .card {
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.d-md-none .card-title {
    color: var(--teal);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    margin-bottom: 12px;
}

.d-md-none .card-text {
    line-height: 1.8;
    color: var(--text-2);
}

.d-md-none .card-text strong {
    display: inline-block;
    min-width: 120px;
    color: var(--text-3);
    font-weight: 500;
}

.d-md-none .d-grid .btn {
    min-height: 44px;
    padding: 10px 14px;
}

.d-md-none .d-grid {
    gap: 8px !important;
}

/* ════════════════════════════════════════════════════
   ALERTS
   ════════════════════════════════════════════════════ */
.alert {
    border: 1px solid;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 400;
    padding: 13px 18px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.alert-success {
    background: var(--success-dim);
    border-color: rgba(31, 208, 140, 0.25);
    color: var(--success-text);
}

.alert-danger {
    background: var(--danger-dim);
    border-color: rgba(240, 90, 110, 0.25);
    color: var(--danger-text);
}

.alert-warning {
    background: var(--warning-dim);
    border-color: rgba(245, 166, 35, 0.25);
    color: var(--warning-text);
}

.alert-info {
    background: var(--info-dim);
    border-color: rgba(56, 217, 245, 0.2);
    color: var(--info-text);
}

.alert .btn-close {
    filter: invert(0.5);
    transition: filter var(--transition);
    opacity: 0.6;
}

.alert .btn-close:hover {
    filter: invert(0.8);
    opacity: 1;
}

[data-theme="dark"] .alert .btn-close {
    filter: invert(1) brightness(0.6);
}

/* ════════════════════════════════════════════════════
   BADGES
   ════════════════════════════════════════════════════ */
.badge {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
}

.bg-primary {
    background: var(--accent-grad) !important;
    color: #fff !important;
    border: none;
}

.bg-success {
    background: var(--success-dim) !important;
    color: var(--success-text) !important;
    border: 1px solid rgba(31, 208, 140, 0.3) !important;
}

.bg-danger {
    background: var(--danger-dim) !important;
    color: var(--danger-text) !important;
    border: 1px solid rgba(240, 90, 110, 0.3) !important;
}

.bg-warning {
    background: var(--warning-dim) !important;
    color: var(--warning-text) !important;
    border: 1px solid rgba(245, 166, 35, 0.3) !important;
}

.bg-info {
    background: var(--info-dim) !important;
    color: var(--info-text) !important;
    border: 1px solid rgba(56, 217, 245, 0.25) !important;
}

.bg-secondary {
    background: var(--surface-2) !important;
    color: var(--text-2) !important;
    border: 1px solid var(--border) !important;
}

/* ════════════════════════════════════════════════════
   STAT CARDS (Dashboard)
   
   RECOMMENDED GRID CLASSES for consistent sizing:
   Use: col-xl-4 col-lg-4 col-md-6 col-sm-12
   This provides:
   - 3 columns on extra large screens (≥1200px)
   - 3 columns on large screens (≥992px)
   - 2 columns on medium screens (≥768px)
   - 1 column on small screens (<768px)
   
   AVOID using col-xl-2 (6 columns) as it causes inconsistent widths
   ════════════════════════════════════════════════════ */
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s, background var(--transition);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-grad);
    opacity: 0;
    transition: opacity 0.3s;
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--border-hover);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card-icon {
    font-size: 2.2rem;
    margin-bottom: 10px;
    display: block;
    filter: drop-shadow(0 0 8px rgba(0, 198, 184, 0.35));
}

.stat-card-value {
    font-family: var(--font-display);
    font-size: 2.8rem;
    letter-spacing: 0.04em;
    line-height: 1;
    background: var(--accent-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.stat-card-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-2);
}

/* Accent variants */
.stat-card.accent-success {
    border-color: rgba(31, 208, 140, 0.2);
}

.stat-card.accent-success .stat-card-value {
    background: linear-gradient(135deg, var(--success), #5df0b5);
    -webkit-background-clip: text;
    background-clip: text;
}

.stat-card.accent-success:hover {
    box-shadow: var(--shadow-lg), 0 0 24px rgba(31, 208, 140, 0.15);
}

.stat-card.accent-warning {
    border-color: rgba(245, 166, 35, 0.2);
}

.stat-card.accent-warning .stat-card-value {
    background: linear-gradient(135deg, var(--warning), #f5d060);
    -webkit-background-clip: text;
    background-clip: text;
}

.stat-card.accent-danger {
    border-color: rgba(240, 90, 110, 0.2);
}

.stat-card.accent-danger .stat-card-value {
    background: linear-gradient(135deg, var(--danger), #f5889a);
    -webkit-background-clip: text;
    background-clip: text;
}

/* ════════════════════════════════════════════════════
   RANKING POSITIONS
   ════════════════════════════════════════════════════ */
.ranking-position {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 1rem;
    flex-shrink: 0;
}

.ranking-position.gold {
    background: linear-gradient(135deg, #ffd700, #ffe566);
    color: #2a1800;
    box-shadow: 0 0 14px rgba(255, 215, 0, 0.4);
}

.ranking-position.silver {
    background: linear-gradient(135deg, #9ab0bb, #c8dce4);
    color: #1a2a33;
    box-shadow: 0 0 10px rgba(168, 192, 204, 0.3);
}

.ranking-position.bronze {
    background: linear-gradient(135deg, #cd7f32, #e0a060);
    color: #2a1200;
    box-shadow: 0 0 10px rgba(205, 127, 50, 0.3);
}

.ranking-position.other {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-2);
}

/* ════════════════════════════════════════════════════
   SEARCH / FILTER
   ════════════════════════════════════════════════════ */
.search-filter-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    transition: background var(--transition);
}

/* ════════════════════════════════════════════════════
   PAGINATION
   ════════════════════════════════════════════════════ */
.pagination {
    margin-top: 24px;
    gap: 4px;
}

.page-link {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-2);
    border-radius: var(--radius-xs) !important;
    padding: 8px 14px;
    font-size: 0.85rem;
    transition: all var(--transition);
}

.page-link:hover {
    background: var(--teal-dim);
    border-color: var(--teal);
    color: var(--teal);
}

.page-item.active .page-link {
    background: var(--accent-grad);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 198, 184, 0.3);
}

.page-item.disabled .page-link {
    background: transparent;
    color: var(--text-3);
    border-color: var(--border);
}

/* ════════════════════════════════════════════════════
   LOADING OVERLAY
   ════════════════════════════════════════════════════ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 13, 26, 0.75);
    backdrop-filter: blur(6px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    flex-direction: column;
    gap: 16px;
}

[data-theme="light"] .loading-overlay {
    background: rgba(240, 247, 251, 0.8);
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--teal);
    border-right-color: var(--cyan);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay p {
    color: var(--text-2);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: pulse-opacity 1.5s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse-opacity {

    0%,
    100% {
        opacity: 0.4
    }

    50% {
        opacity: 1
    }
}

/* ════════════════════════════════════════════════════
   MODALS
   ════════════════════════════════════════════════════ */
.modal-content {
    background: var(--modal-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: background var(--transition);
}

.modal-header {
    border-bottom: 1px solid var(--border);
    padding: 18px 24px;
    background: var(--table-head-bg);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    letter-spacing: 0.06em;
    color: var(--text);
}

.modal-body {
    padding: 24px;
    color: var(--text-2);
}

.modal-footer {
    border-top: 1px solid var(--border);
    padding: 14px 24px;
}

.modal-backdrop {
    background: rgba(5, 13, 26, 0.75);
}

[data-theme="light"] .modal-backdrop {
    background: rgba(10, 37, 64, 0.5);
}

.btn-close {
    filter: invert(0.5);
    opacity: 0.6;
    transition: filter var(--transition), opacity var(--transition);
}

.btn-close:hover {
    filter: invert(0.8);
    opacity: 1;
}

[data-theme="dark"] .btn-close {
    filter: invert(1) brightness(0.6);
}

[data-theme="dark"] .btn-close:hover {
    filter: invert(1) brightness(1);
}

/* ════════════════════════════════════════════════════
   DROPDOWN
   ════════════════════════════════════════════════════ */
.dropdown-menu {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    transition: background var(--transition);
}

.dropdown-item {
    color: var(--text-2);
    font-size: 0.875rem;
    border-radius: var(--radius-xs);
    padding: 8px 14px;
    transition: background var(--transition), color var(--transition);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--teal-dim);
    color: var(--teal);
}

.dropdown-divider {
    border-color: var(--border);
    margin: 5px 0;
}

/* ════════════════════════════════════════════════════
   TOOLTIPS & POPOVERS
   ════════════════════════════════════════════════════ */
.tooltip-inner {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.78rem;
    border-radius: var(--radius-xs);
    padding: 5px 10px;
}

.popover {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.popover-header {
    background: var(--table-head-bg);
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-weight: 500;
}

.popover-body {
    color: var(--text-2);
}

/* ════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════ */
.app-footer {
    background: var(--footer-bg);
    border-top: 1px solid var(--footer-border);
    padding: 18px 32px;
    width: 100%;
    transition: background var(--transition), border-color var(--transition);
}

@media (min-width: 768px) {
    .app-footer {
        margin-left: var(--sidebar-w);
        width: calc(100% - var(--sidebar-w));
    }
}

.footer-inner {
    max-width: 1600px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 0.95rem;
    letter-spacing: 0.14em;
    color: var(--teal);
}

.footer-logo em {
    color: var(--text-3);
    font-style: normal;
}

.footer-copy {
    font-size: 0.78rem;
    color: var(--text-3);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
}

.footer-link {
    color: var(--text-2);
    transition: color var(--transition);
}

.footer-link:hover {
    color: var(--teal);
}

.footer-sep {
    color: var(--text-3);
}

.footer-version {
    color: var(--text-3);
    font-size: 0.72rem;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.06em;
}

@media (max-width: 767.98px) {
    .app-footer {
        margin-left: 0;
        padding: 16px 20px;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .footer-credits {
        margin-top: 8px;
    }
}

/* Footer Credits - TBX Labs */
.footer-credits {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-3);
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    width: 100%;
    justify-content: center;
}

.credits-text {
    color: var(--text-3);
}

.credits-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    background: var(--surface-2);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.credits-link:hover {
    background: var(--teal-dim);
    border-color: var(--teal);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 198, 184, 0.2);
}

.credits-logo {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--teal);
    font-weight: 600;
}

.credits-labs {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--text-2);
    font-weight: 400;
}

.credits-link:hover .credits-logo {
    color: var(--cyan);
}

.credits-link:hover .credits-labs {
    color: var(--teal);
}

/* ════════════════════════════════════════════════════
   THEME TOGGLE IN HEADER
   ════════════════════════════════════════════════════ */
#themeToggle {
    position: relative;
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
}

#themeToggle .theme-toggle-icon {
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

#themeToggle.ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(0, 198, 184, 0.25);
    animation: ripple-out 0.4s ease-out forwards;
}

@keyframes ripple-out {
    from {
        transform: scale(0);
        opacity: 1;
    }

    to {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* ════════════════════════════════════════════════════
   BOOTSTRAP COMPONENT OVERRIDES
   Forces Bootstrap 5 components to respect theme tokens.
   Prevents white/light "bleeding" in dark mode.
   ════════════════════════════════════════════════════ */

/* List group */
.list-group-item {
    background-color: var(--surface);
    border-color: var(--border);
    color: var(--text-2);
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.list-group-item:hover,
.list-group-item:focus {
    background-color: var(--teal-dim);
    color: var(--teal);
}

.list-group-item.active {
    background: var(--accent-grad);
    border-color: transparent;
    color: #fff;
}

.list-group-item+.list-group-item {
    border-top-color: var(--border);
}

/* Nav tabs */
.nav-tabs {
    border-bottom-color: var(--border);
}

.nav-tabs .nav-link {
    color: var(--text-2);
    border-color: transparent;
    background: transparent;
    transition: color var(--transition), background var(--transition), border-color var(--transition);
}

.nav-tabs .nav-link:hover {
    border-color: var(--border);
    color: var(--teal);
    background: var(--teal-dim);
}

.nav-tabs .nav-link.active {
    background: var(--surface);
    border-color: var(--border) var(--border) var(--surface);
    color: var(--teal);
}

/* Nav pills */
.nav-pills .nav-link {
    color: var(--text-2);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-pills .nav-link:hover {
    background: var(--teal-dim);
    color: var(--teal);
}

.nav-pills .nav-link.active {
    background: var(--accent-grad);
    color: #fff;
}

/* Accordion */
.accordion-item {
    background: var(--surface);
    border-color: var(--border);
}

.accordion-button {
    background: var(--surface-2);
    color: var(--text);
    box-shadow: none;
    transition: background var(--transition), color var(--transition);
}

.accordion-button:not(.collapsed) {
    background: var(--teal-dim);
    color: var(--teal);
    box-shadow: none;
}

.accordion-button::after {
    filter: invert(0.6) sepia(1) saturate(3) hue-rotate(148deg);
}

.accordion-button:not(.collapsed)::after {
    filter: invert(0.7) sepia(1) saturate(4) hue-rotate(148deg);
}

.accordion-body {
    background: var(--surface);
    color: var(--text-2);
}

/* Progress */
.progress {
    background: var(--surface-2);
    border-radius: var(--radius-pill);
    height: 8px;
}

.progress-bar {
    background: var(--accent-grad);
    border-radius: var(--radius-pill);
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    margin: 0;
    padding: 0;
}

.breadcrumb-item {
    color: var(--text-3);
    font-size: 0.8rem;
}

.breadcrumb-item+.breadcrumb-item::before {
    color: var(--text-3) !important;
    content: var(--bs-breadcrumb-divider, "/");
}

.breadcrumb-item.active {
    color: var(--text-2);
}

.breadcrumb-item a {
    color: var(--teal);
}

.breadcrumb-item a:hover {
    color: var(--cyan);
}

/* Offcanvas */
.offcanvas {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

.offcanvas-header {
    border-bottom: 1px solid var(--border);
}

.offcanvas-title {
    color: var(--text);
}

/* Toast */
.toast {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    color: var(--text-2);
}

.toast-header {
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

/* Spinner */
.spinner-border {
    color: var(--teal);
}

.spinner-grow {
    color: var(--cyan);
}

/* Close button global */
[data-theme="dark"] .btn-close {
    filter: invert(1) brightness(0.65) !important;
}

[data-theme="dark"] .btn-close:hover {
    filter: invert(1) brightness(1) !important;
}

/* ════════════════════════════════════════════════════
   UTILITIES
   ════════════════════════════════════════════════════ */
.text-muted {
    color: var(--text-2) !important;
}

.text-primary {
    color: var(--teal) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-info {
    color: var(--info) !important;
}

.text-white {
    color: var(--text) !important;
}

.text-gradient {
    background: var(--accent-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-dark {
    background: var(--surface) !important;
}

.bg-light {
    background: var(--surface-2) !important;
}

.border {
    border-color: var(--border) !important;
}

.text-swimming-blue {
    color: var(--teal);
}

.bg-swimming-blue {
    background: var(--accent-grad);
}

.border-swimming-blue {
    border-color: var(--border-hover);
}

/* Divider */
.tbx-divider {
    width: 40px;
    height: 3px;
    background: var(--accent-grad);
    border-radius: 2px;
    border: none;
    margin: 0;
    opacity: 1;
}

/* ════════════════════════════════════════════════════
   ACCESSIBILITY — FOCUS
   ════════════════════════════════════════════════════ */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 3px;
    box-shadow: 0 0 0 4px rgba(0, 198, 184, 0.15);
}

.btn-danger:focus-visible {
    outline-color: var(--danger);
}

.btn-success:focus-visible {
    outline-color: var(--success);
}

.nav-link:focus-visible,
.sidebar .nav-link:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: -2px;
    background: var(--teal-dim);
}

.table tbody tr:focus-within {
    background: var(--table-row-hover);
}

.card:focus-within {
    outline: 2px solid var(--border-hover);
    outline-offset: 2px;
}

/* ════════════════════════════════════════════════════
   RESPONSIVE — MOBILE (< 768px)
   ════════════════════════════════════════════════════ */
@media (max-width: 767.98px) {

    h1,
    .h1 {
        font-size: 1.75rem;
    }

    h2,
    .h2 {
        font-size: 1.45rem;
    }

    h3,
    .h3 {
        font-size: 1.2rem;
    }

    h4,
    .h4,
    h5,
    .h5,
    h6,
    .h6 {
        font-size: 1rem;
    }

    /* Page header */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .d-flex.justify-content-between {
        flex-direction: column;
        align-items: flex-start !important;
    }

    .d-flex.justify-content-between h1,
    .d-flex.justify-content-between h2 {
        margin-bottom: 10px;
    }

    /* Buttons */
    .btn {
        min-height: 44px;
        padding: 10px 18px;
    }

    .btn:not(.btn-group .btn):not(.btn-toolbar .btn):not(.dropdown-toggle) {
        width: 100%;
        margin-bottom: 8px;
        justify-content: center;
    }

    .btn-group .btn {
        width: auto;
        min-width: 44px;
    }

    .card .btn-sm {
        min-height: 44px;
        padding: 8px 14px;
    }

    a:not(.btn):not(.nav-link):not(.dropdown-item):not(.page-link) {
        min-height: 32px;
        display: inline-flex;
        align-items: center;
    }

    /* Forms */
    .form-control,
    .form-select {
        min-height: 44px;
        font-size: 16px;
    }

    .mb-3 {
        margin-bottom: 18px !important;
    }

    .d-md-flex.justify-content-md-end {
        flex-direction: column-reverse;
    }

    .d-md-flex.justify-content-md-end .btn {
        margin-bottom: 8px;
    }

    .row>.col-lg-8,
    .row>.col-lg-4 {
        width: 100%;
        margin-bottom: 14px;
    }

    .btn-toolbar {
        width: 100%;
    }

    .btn-toolbar .btn {
        width: 100%;
    }

    /* Cards */
    .card {
        margin-bottom: 14px;
    }

    .card-body {
        padding: 14px;
    }

    /* Stat cards */
    .stat-card {
        padding: 18px 14px;
    }

    .stat-card-icon {
        font-size: 1.8rem;
    }

    .stat-card-value {
        font-size: 2.2rem;
    }

    /* Rankings */
    .ranking-position {
        width: 30px;
        height: 30px;
        font-size: 0.85rem;
    }

    /* Modals */
    .modal-dialog {
        margin: 8px;
        max-width: calc(100% - 16px);
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 14px 16px;
    }

    .modal-title {
        font-size: 1.1rem;
    }

    .modal-footer .btn {
        width: 100%;
        margin-bottom: 8px;
        justify-content: center;
    }

    .modal-footer {
        flex-direction: column-reverse;
    }

    /* Alerts */
    .alert {
        font-size: 0.875rem;
        padding: 11px 14px;
    }

    /* Search */
    .search-filter-section {
        padding: 14px;
    }

    .card-body .row.g-3 .col-md-6 {
        width: 100%;
    }

    .card-body .d-flex.align-items-end {
        flex-direction: column;
        align-items: stretch !important;
    }

    .card-body .d-flex.align-items-end .btn {
        width: 100%;
        margin-bottom: 6px;
    }

    /* Mobile utilities */
    .mobile-mt-1 {
        margin-top: 6px !important;
    }

    .mobile-mt-2 {
        margin-top: 12px !important;
    }

    .mobile-mt-3 {
        margin-top: 20px !important;
    }

    .mobile-mb-1 {
        margin-bottom: 6px !important;
    }

    .mobile-mb-2 {
        margin-bottom: 12px !important;
    }

    .mobile-mb-3 {
        margin-bottom: 20px !important;
    }

    .mobile-p-1 {
        padding: 6px !important;
    }

    .mobile-p-2 {
        padding: 12px !important;
    }

    .mobile-p-3 {
        padding: 20px !important;
    }
}

/* ════════════════════════════════════════════════════
   RESPONSIVE — TABLET (768–991px)
   ════════════════════════════════════════════════════ */
@media (min-width: 768px) and (max-width: 991.98px) {
    .btn {
        min-height: 40px;
    }

    .btn-sm {
        min-height: 36px;
    }
}

/* ════════════════════════════════════════════════════
   RESPONSIVE — TABLET & MEDIUM SCREENS (768–1199px)
   Ensures buttons and form elements fit properly without overflow
   ════════════════════════════════════════════════════ */
@media (min-width: 768px) and (max-width: 1199.98px) {
    .btn {
        max-width: 100%;
        padding: 9px 18px;
        word-wrap: break-word;
    }

    .form-control,
    .form-select {
        width: 100%;
        max-width: 100%;
    }

    .card-body .btn,
    .modal-body .btn {
        max-width: 100%;
    }

    .btn-group .btn {
        flex: 1 1 auto;
        min-width: 0;
    }
}

/* ════════════════════════════════════════════════════
   RESPONSIVE — DESKTOP (≥ 992px)
   ════════════════════════════════════════════════════ */
@media (min-width: 992px) {
    .card {
        min-height: 120px;
    }

    .card-body {
        padding: 20px;
    }
}

@media (min-width: 1200px) {
    .card-body {
        padding: 24px;
    }
}

/* ════════════════════════════════════════════════════
   HIGH CONTRAST MODE
   ════════════════════════════════════════════════════ */
@media (prefers-contrast: high) {

    :root,
    [data-theme="dark"] {
        --border: rgba(56, 217, 245, 0.4);
        --text-2: #cce0ea;
    }

    [data-theme="light"] {
        --border: rgba(0, 158, 148, 0.4);
        --text-2: #1a3a50;
    }

    a:focus-visible,
    button:focus-visible,
    .btn:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline-width: 3px;
    }
}

/* ════════════════════════════════════════════════════
   REDUCED MOTION
   ════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ════════════════════════════════════════════════════
   PRINT
   ════════════════════════════════════════════════════ */
@media print {

    .sidebar,
    .navbar,
    .btn,
    .no-print,
    .app-footer {
        display: none !important;
    }

    body {
        background: #fff !important;
        color: #000 !important;
    }

    main {
        margin-left: 0 !important;
        background: #fff !important;
    }

    .main-content-inner {
        padding: 0 !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        background: #fff !important;
    }

    .card-header {
        background: #f0f0f0 !important;
        color: #000 !important;
    }

    .table {
        color: #000 !important;
        background: #fff !important;
    }

    .table thead th {
        background: #f0f0f0 !important;
        color: #000 !important;
    }

    a {
        color: #000 !important;
        text-decoration: underline;
    }

    .stat-card-value {
        -webkit-text-fill-color: #000 !important;
    }
}


/* ════════════════════════════════════════════════════
   DASHBOARD MODERN REDESIGN
   ════════════════════════════════════════════════════ */

/* Welcome Alert */
.welcome-alert {
    background: rgba(9, 21, 38, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(56, 217, 245, 0.15);
    border-radius: 16px;
    padding: 24px 28px;
    margin-bottom: 32px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.welcome-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.welcome-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #00c6b8, #38d9f5);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #050d1a;
    box-shadow: 0 8px 24px rgba(0, 198, 184, 0.3);
}

.welcome-text h5 {
    margin: 0 0 6px 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: #f0f7fb;
}

.welcome-text p {
    margin: 0;
    font-size: 0.95rem;
    color: #a8c0cc;
}

.role-badge {
    display: inline-block;
    padding: 3px 12px;
    background: rgba(56, 217, 245, 0.15);
    border: 1px solid rgba(56, 217, 245, 0.3);
    border-radius: 20px;
    color: #38d9f5;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: capitalize;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

/* Modern Stat Cards */
.stat-card-modern {
    position: relative;
    background: rgba(9, 21, 38, 0.5);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(56, 217, 245, 0.12);
    border-radius: 18px;
    padding: 28px 24px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.stat-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.stat-card-modern:hover .stat-card-bg {
    opacity: 1;
}

.stat-card-modern:hover {
    transform: translateY(-8px);
    border-color: rgba(56, 217, 245, 0.4);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(56, 217, 245, 0.15);
}

.stat-card-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s;
}

.stat-card-modern:hover .stat-card-shine {
    left: 100%;
}

.stat-card-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 18px;
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all 0.4s;
}

.stat-card-modern:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.8rem;
    line-height: 1;
    margin-bottom: 4px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.8;
}

/* Card Variants */
.stat-card-modern.swimmers .stat-card-bg {
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.15), rgba(56, 217, 245, 0.1));
}

.stat-card-modern.swimmers .stat-icon {
    background: rgba(0, 198, 184, 0.15);
    color: #00c6b8;
    box-shadow: 0 8px 24px rgba(0, 198, 184, 0.2);
}

.stat-card-modern.swimmers .stat-value {
    color: #00c6b8;
}

.stat-card-modern.swimmers .stat-label {
    color: #a8c0cc;
}

.stat-card-modern.teams .stat-card-bg {
    background: linear-gradient(135deg, rgba(56, 217, 245, 0.15), rgba(0, 198, 184, 0.1));
}

.stat-card-modern.teams .stat-icon {
    background: rgba(56, 217, 245, 0.15);
    color: #38d9f5;
    box-shadow: 0 8px 24px rgba(56, 217, 245, 0.2);
}

.stat-card-modern.teams .stat-value {
    color: #38d9f5;
}

.stat-card-modern.teams .stat-label {
    color: #a8c0cc;
}

.stat-card-modern.coaches .stat-card-bg {
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.12), rgba(56, 217, 245, 0.08));
}

.stat-card-modern.coaches .stat-icon {
    background: rgba(0, 198, 184, 0.12);
    color: #5dffb3;
    box-shadow: 0 8px 24px rgba(0, 198, 184, 0.15);
}

.stat-card-modern.coaches .stat-value {
    color: #5dffb3;
}

.stat-card-modern.coaches .stat-label {
    color: #a8c0cc;
}

.stat-card-modern.competitions .stat-card-bg {
    background: linear-gradient(135deg, rgba(56, 217, 245, 0.12), rgba(0, 198, 184, 0.08));
}

.stat-card-modern.competitions .stat-icon {
    background: rgba(56, 217, 245, 0.12);
    color: #38d9f5;
    box-shadow: 0 8px 24px rgba(56, 217, 245, 0.15);
}

.stat-card-modern.competitions .stat-value {
    color: #38d9f5;
}

.stat-card-modern.competitions .stat-label {
    color: #a8c0cc;
}

.stat-card-modern.events .stat-card-bg {
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.1), rgba(56, 217, 245, 0.12));
}

.stat-card-modern.events .stat-icon {
    background: rgba(0, 198, 184, 0.1);
    color: #00c6b8;
    box-shadow: 0 8px 24px rgba(0, 198, 184, 0.12);
}

.stat-card-modern.events .stat-value {
    color: #00c6b8;
}

.stat-card-modern.events .stat-label {
    color: #a8c0cc;
}

.stat-card-modern.results .stat-card-bg {
    background: linear-gradient(135deg, rgba(56, 217, 245, 0.1), rgba(0, 198, 184, 0.12));
}

.stat-card-modern.results .stat-icon {
    background: rgba(56, 217, 245, 0.1);
    color: #5dffb3;
    box-shadow: 0 8px 24px rgba(56, 217, 245, 0.12);
}

.stat-card-modern.results .stat-value {
    color: #5dffb3;
}

.stat-card-modern.results .stat-label {
    color: #a8c0cc;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-card-modern {
        padding: 20px 18px;
    }

    .stat-icon {
        width: 52px;
        height: 52px;
        font-size: 1.6rem;
    }

    .stat-value {
        font-size: 2.2rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .welcome-alert {
        padding: 20px;
    }

    .welcome-icon {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }

    .welcome-text h5 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card-content {
        gap: 14px;
    }
}

/* Fix main content spacing */
@media (min-width: 1200px) {
    .main-content-inner {
        max-width: 1400px;
        margin: 0 auto;
        padding: 32px 40px;
    }
}

@media (min-width: 1400px) {
    .main-content-inner {
        max-width: 1600px;
        padding: 32px 48px;
    }
}


/* ════════════════════════════════════════════════════
   QUICK ACTIONS SECTION
   ════════════════════════════════════════════════════ */

.quick-actions-section {
    margin-bottom: 40px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.section-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.15), rgba(56, 217, 245, 0.1));
    border: 1px solid rgba(56, 217, 245, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #38d9f5;
}

.section-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: #f0f7fb;
    letter-spacing: -0.02em;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
}

.quick-action-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 24px;
    background: rgba(9, 21, 38, 0.5);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(56, 217, 245, 0.12);
    border-radius: 16px;
    text-decoration: none;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.quick-action-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.quick-action-card:hover .quick-action-bg {
    opacity: 1;
}

.quick-action-card:hover {
    transform: translateX(8px);
    border-color: rgba(56, 217, 245, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(56, 217, 245, 0.1);
}

.quick-action-content {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    position: relative;
    z-index: 1;
}

.quick-action-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.4s;
}

.quick-action-card:hover .quick-action-icon {
    transform: scale(1.1) rotate(-5deg);
}

.quick-action-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.quick-action-title {
    font-size: 1rem;
    font-weight: 600;
    color: #f0f7fb;
    display: block;
    transition: color 0.3s;
}

.quick-action-desc {
    font-size: 0.8rem;
    color: #a8c0cc;
    display: block;
    opacity: 0.8;
}

.quick-action-arrow {
    position: relative;
    z-index: 1;
    font-size: 1.2rem;
    color: #38d9f5;
    opacity: 0.6;
    transition: all 0.4s;
}

.quick-action-card:hover .quick-action-arrow {
    opacity: 1;
    transform: translateX(4px);
}

/* Quick Action Variants */
.quick-action-card.swimmers .quick-action-bg {
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.12), rgba(56, 217, 245, 0.08));
}

.quick-action-card.swimmers .quick-action-icon {
    background: rgba(0, 198, 184, 0.15);
    color: #00c6b8;
    box-shadow: 0 6px 20px rgba(0, 198, 184, 0.2);
}

.quick-action-card.teams .quick-action-bg {
    background: linear-gradient(135deg, rgba(56, 217, 245, 0.12), rgba(0, 198, 184, 0.08));
}

.quick-action-card.teams .quick-action-icon {
    background: rgba(56, 217, 245, 0.15);
    color: #38d9f5;
    box-shadow: 0 6px 20px rgba(56, 217, 245, 0.2);
}

.quick-action-card.competitions .quick-action-bg {
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.1), rgba(56, 217, 245, 0.12));
}

.quick-action-card.competitions .quick-action-icon {
    background: rgba(0, 198, 184, 0.12);
    color: #00c6b8;
    box-shadow: 0 6px 20px rgba(0, 198, 184, 0.15);
}

.quick-action-card.coaches .quick-action-bg {
    background: linear-gradient(135deg, rgba(56, 217, 245, 0.1), rgba(0, 198, 184, 0.1));
}

.quick-action-card.coaches .quick-action-icon {
    background: rgba(56, 217, 245, 0.12);
    color: #5dffb3;
    box-shadow: 0 6px 20px rgba(56, 217, 245, 0.15);
}

.quick-action-card.results .quick-action-bg {
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.12), rgba(56, 217, 245, 0.1));
}

.quick-action-card.results .quick-action-icon {
    background: rgba(0, 198, 184, 0.15);
    color: #5dffb3;
    box-shadow: 0 6px 20px rgba(0, 198, 184, 0.2);
}

.quick-action-card.browse .quick-action-bg {
    background: linear-gradient(135deg, rgba(56, 217, 245, 0.08), rgba(0, 198, 184, 0.1));
}

.quick-action-card.browse .quick-action-icon {
    background: rgba(56, 217, 245, 0.1);
    color: #38d9f5;
    box-shadow: 0 6px 20px rgba(56, 217, 245, 0.12);
}

.quick-action-card.view .quick-action-bg {
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.08), rgba(56, 217, 245, 0.1));
}

.quick-action-card.view .quick-action-icon {
    background: rgba(0, 198, 184, 0.1);
    color: #00c6b8;
    box-shadow: 0 6px 20px rgba(0, 198, 184, 0.12);
}

/* Responsive */
@media (max-width: 768px) {
    .quick-actions-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .quick-action-card {
        padding: 18px 20px;
    }

    .quick-action-icon {
        width: 46px;
        height: 46px;
        font-size: 1.3rem;
    }

    .quick-action-title {
        font-size: 0.95rem;
    }

    .quick-action-desc {
        font-size: 0.75rem;
    }

    .section-header {
        gap: 12px;
        margin-bottom: 20px;
    }

    .section-icon {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.3rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   COMPETITIONS SECTION - Modern glassmorphism design
   ═══════════════════════════════════════════════════════════════════════════ */

.competitions-section {
    margin-top: 40px;
    margin-bottom: 40px;
}

/* Competition Cards */
.competition-card {
    position: relative;
    background: rgba(9, 21, 38, 0.4);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(56, 217, 245, 0.15);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.competition-card-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.03), rgba(56, 217, 245, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

.competition-card:hover {
    border-color: rgba(56, 217, 245, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 198, 184, 0.15);
}

.competition-card:hover .competition-card-bg {
    opacity: 1;
}

/* Competition Card Header */
.competition-card-header {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 24px 24px 20px;
    border-bottom: 1px solid rgba(56, 217, 245, 0.1);
}

.competition-header-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.4rem;
    transition: all 0.3s ease;
}

.competition-card.upcoming .competition-header-icon {
    background: rgba(56, 217, 245, 0.12);
    color: #38d9f5;
    box-shadow: 0 6px 20px rgba(56, 217, 245, 0.15);
}

.competition-card.recent .competition-header-icon {
    background: rgba(0, 198, 184, 0.12);
    color: #00c6b8;
    box-shadow: 0 6px 20px rgba(0, 198, 184, 0.15);
}

.competition-card:hover .competition-header-icon {
    transform: scale(1.1) rotate(5deg);
}

.competition-header-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #f0f7fb;
    margin: 0;
    letter-spacing: 0.02em;
}

/* Competition Card Body */
.competition-card-body {
    position: relative;
    z-index: 1;
    padding: 20px 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Competition List */
.competition-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.competition-item {
    position: relative;
    display: block;
    padding: 16px;
    background: rgba(9, 21, 38, 0.3);
    border: 1px solid rgba(56, 217, 245, 0.08);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    overflow: hidden;
}

.competition-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 198, 184, 0.05), rgba(56, 217, 245, 0.08));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.competition-item:hover {
    border-color: rgba(56, 217, 245, 0.25);
    transform: translateX(6px);
    box-shadow: 0 6px 20px rgba(0, 198, 184, 0.12);
}

.competition-item:hover::before {
    opacity: 1;
}

.competition-item-content {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
}

.competition-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.competition-card.upcoming .competition-item-icon {
    background: rgba(56, 217, 245, 0.1);
    color: #38d9f5;
}

.competition-card.recent .competition-item-icon {
    background: rgba(0, 198, 184, 0.1);
    color: #00c6b8;
}

.competition-item:hover .competition-item-icon {
    transform: scale(1.15) rotate(-5deg);
}

.competition-item-info {
    flex: 1;
    min-width: 0;
}

.competition-item-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: #f0f7fb;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.competition-item-location {
    font-size: 0.8rem;
    color: #a8c0cc;
    display: flex;
    align-items: center;
    gap: 4px;
}

.competition-item-location i {
    font-size: 0.75rem;
}

.competition-item-date {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.upcoming-badge {
    background: rgba(56, 217, 245, 0.15);
    color: #38d9f5;
    border: 1px solid rgba(56, 217, 245, 0.2);
}

.recent-badge {
    background: rgba(0, 198, 184, 0.15);
    color: #00c6b8;
    border: 1px solid rgba(0, 198, 184, 0.2);
}

.competition-item:hover .upcoming-badge {
    background: rgba(56, 217, 245, 0.25);
    box-shadow: 0 4px 12px rgba(56, 217, 245, 0.2);
}

.competition-item:hover .recent-badge {
    background: rgba(0, 198, 184, 0.25);
    box-shadow: 0 4px 12px rgba(0, 198, 184, 0.2);
}

/* Competition Footer */
.competition-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(56, 217, 245, 0.1);
    text-align: center;
}

.competition-view-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(56, 217, 245, 0.08);
    border: 1px solid rgba(56, 217, 245, 0.2);
    border-radius: 24px;
    color: #38d9f5;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.competition-view-all:hover {
    background: rgba(56, 217, 245, 0.15);
    border-color: #38d9f5;
    color: #38d9f5;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 217, 245, 0.2);
}

.competition-view-all i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.competition-view-all:hover i {
    transform: translateX(4px);
}

/* Competition Empty State */
.competition-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    flex: 1;
}

.competition-empty-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--cyan-dim);
    color: var(--cyan);
    font-size: 2.5rem;
    margin-bottom: 20px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.competition-empty-text {
    font-size: 0.95rem;
    color: var(--text-2);
    margin-bottom: 20px;
}

.competition-create-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--accent-grad);
    border-radius: 24px;
    color: var(--bg);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px var(--teal-dim);
}

.competition-create-btn:hover {
    color: var(--bg);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 198, 184, 0.4);
}

.competition-create-btn i {
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .competition-card {
        min-height: 350px;
    }

    .competition-card-header {
        padding: 20px 18px 16px;
    }

    .competition-header-icon {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }

    .competition-header-title {
        font-size: 1rem;
    }

    .competition-card-body {
        padding: 16px 18px 20px;
    }

    .competition-item {
        padding: 14px;
    }

    .competition-item-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .competition-item-name {
        font-size: 0.9rem;
    }

    .competition-item-location {
        font-size: 0.75rem;
    }

    .competition-item-date {
        padding: 5px 12px;
        font-size: 0.75rem;
    }

    .competition-empty {
        padding: 40px 20px;
    }

    .competition-empty-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .competition-card {
        min-height: 380px;
    }
}

/* Ensure equal heights for both cards */
@media (min-width: 992px) {
    .competitions-section .row {
        display: flex;
    }

    .competitions-section .col-lg-6 {
        display: flex;
    }

    .competition-card {
        width: 100%;
    }
}


/* ════════════════════════════════════════════════════
   STICKY FOOTER FIX
   ════════════════════════════════════════════════════ */
html {
    height: 100%;
}

body {
    /* min-height already set to 100vh in base body styles above */
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--navbar-h));
}

.footer-credits {
    flex-shrink: 0;
    position: relative;
    bottom: 0;
    width: 100%;
    margin-top: auto;
    background: var(--footer-bg);
    border-top: 1px solid var(--footer-border);
    padding: 20px 0;
}

@media (min-width: 768px) {
    .footer-credits {
        margin-left: var(--sidebar-w);
        width: calc(100% - var(--sidebar-w));
    }
}

@media (max-width: 767.98px) {
    .footer-credits {
        margin-left: 0;
    }
}

/* Ensure centering when no sidebar is present (e.g., auth pages) */
body.no-sidebar main,
body.no-sidebar .footer-credits,
body.no-sidebar .app-footer {
    margin-left: 0 !important;
    width: 100% !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-3);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-info .separator {
    color: var(--text-3);
    opacity: 0.5;
}

.footer-promo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-2);
}

.tbx-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--cyan);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.tbx-badge:hover {
    background: var(--teal-dim);
    border-color: var(--teal);
    color: var(--teal);
    box-shadow: 0 0 20px rgba(0, 198, 184, 0.3);
    transform: translateY(-2px);
}

@media (max-width: 767.98px) {
    .footer-content {
        padding: 0 20px;
    }

    .footer-info {
        font-size: 0.75rem;
    }

    .footer-promo {
        font-size: 0.8rem;
    }
}

/* Utility to prevent long text (like emails) from breaking layouts */
.text-truncate-auto {
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
}

@media (min-width: 1200px) {
    .text-truncate-auto {
        max-width: 250px;
    }
}

/* ── Table Responsive Fix ── */
.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 15px; /* More space for scrollbar */
    margin-bottom: 5px;
}

.table-responsive table {
    min-width: 900px; /* Force scrollbar if container is smaller */
}

/* Custom scrollbar for table-responsive to make it more obvious */
.table-responsive::-webkit-scrollbar {
    height: 8px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 10px;
}

.table-responsive::-webkit-scrollbar-thumb:hover {
    background: var(--cyan);
}

/* ════════════════════════════════════════════════════
   PROTOTIPO ESP32 BANNER & BUTTONS
   ════════════════════════════════════════════════════ */

.btn-outline-cyan {
    border-color: var(--cyan) !important;
    color: var(--cyan) !important;
    background: transparent !important;
    transition: all 0.3s ease !important;
}

.btn-outline-cyan:hover {
    background: var(--cyan-dim) !important;
    color: var(--cyan) !important;
    border-color: var(--cyan) !important;
    box-shadow: 0 0 15px rgba(56, 217, 245, 0.3) !important;
    transform: translateY(-1px);
}

.prototype-banner {
    position: relative;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.prototype-banner:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-2px);
}

.prototype-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--teal-dim), var(--cyan-dim));
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
}

.prototype-banner-content {
    position: relative;
    z-index: 1;
}

.prototype-banner-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-grad);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #050d1a;
    position: relative;
    flex-shrink: 0;
}

.pulse-dot-live {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background: var(--success);
    border: 2px solid var(--surface-2);
    border-radius: 50%;
    animation: pulse-live 2s infinite;
}

@keyframes pulse-live {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(31, 208, 140, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(31, 208, 140, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(31, 208, 140, 0);
    }
}

.btn-prototype {
    background: var(--accent-grad) !important;
    color: #050d1a !important;
    border: none !important;
    font-weight: 600 !important;
    padding: 10px 22px !important;
    border-radius: var(--radius-sm) !important;
    transition: all 0.3s ease !important;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-prototype:hover {
    opacity: 0.95 !important;
    transform: translateY(-1.5px) !important;
    box-shadow: 0 6px 20px rgba(56, 217, 245, 0.4) !important;
}

.text-muted-custom {
    color: var(--text-2) !important;
    font-size: 0.9rem;
}