:root {
    /* 🎨 Premium HSL Sports Tech Palette */
    --primary-h: 0;
    --primary-s: 72%;
    --primary-l: 51%;
    --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    --primary-glow: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.3);
    
    --accent-cyan: hsl(190, 100%, 50%);
    --accent-cyan-glow: hsla(190, 100%, 50%, 0.3);
    
    --accent-red: hsl(0, 100%, 71%);
    --accent-red-glow: hsla(0, 100%, 71%, 0.3);

    /* Dark Theme Backgrounds */
    --bg-obsidian: hsl(240, 10%, 4%);
    --bg-card: hsla(240, 10%, 8%, 0.6);
    --bg-surface: hsla(240, 10%, 12%, 0.4);
    
    --bg-gradient: radial-gradient(circle at 0% 0%, hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.08) 0%, transparent 50%),
                   radial-gradient(circle at 100% 100%, hsla(190, 100%, 50%, 0.05) 0%, transparent 50%),
                   var(--bg-obsidian);

    /* Glassmorphism Tokens */
    --glass-bg: hsla(0, 0%, 100%, 0.03);
    --glass-border: hsla(0, 0%, 100%, 0.08);
    --glass-blur: blur(24px);
    --glass-shadow: 0 8px 32px 0 hsla(0, 0%, 0%, 0.8);

    /* Typography & Spacing */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --radius-2xl: 32px;
    --radius-xl: 24px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base Layout --- */
body.clubhub-unified {
    background: var(--bg-gradient);
    color: #ffffff;
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    margin: 0;
}

/* --- Premium Components --- */
.glass-panel {
    background: linear-gradient(135deg, hsla(0, 0%, 100%, 0.05) 0%, hsla(0, 0%, 100%, 0.02) 100%);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    padding: 2rem;
}

.glass-card {
    background: linear-gradient(180deg, hsla(0, 0%, 100%, 0.04) 0%, hsla(0, 0%, 100%, 0.01) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid hsla(0, 0%, 100%, 0.06);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.glass-card:hover {
    background: hsla(0, 0%, 100%, 0.06);
    border-color: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px hsla(0, 0%, 0%, 0.4);
}

/* --- Dashboard Grids & Layouts --- */
.dashboard-grid, .card-grid, .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1400px) {
    .dashboard-grid, .card-grid, .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1100px) {
    .dashboard-grid, .card-grid, .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.dashboard-card-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.dashboard-card-strip-item {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: hsla(0, 0%, 100%, 0.02);
    border: 1px solid hsla(0, 0%, 100%, 0.06);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    cursor: pointer;
}

.dashboard-card-strip-item:hover {
    background: hsla(0, 0%, 100%, 0.08);
    transform: translateY(-4px);
    border-color: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.4);
}

.dashboard-card-strip-item.active-highlight {
    background: linear-gradient(135deg, hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.1) 0%, hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.03) 100%);
    border-color: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.4);
}

.dashboard-card-strip-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

.dashboard-card-strip-value {
    font-size: 2rem;
    font-weight: 800;
    color: #ffffff;
    font-family: var(--font-heading);
}

.dashboard-card-strip-meta {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.dashboard-layout-sidebar {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2rem;
    align-items: start;
}

.feed-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.planner-sidebar {
    position: sticky;
    top: 100px;
}

/* --- Premium Tables --- */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table th {
    background: hsla(0, 0%, 100%, 0.03);
    padding: 1.25rem 1.5rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.4);
    border-bottom: 1px solid var(--glass-border);
}

.data-table td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid hsla(0, 0%, 100%, 0.03);
    vertical-align: middle;
}

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

.data-table tr:hover td {
    background: hsla(0, 0%, 100%, 0.02);
}

.event-info-cell {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.team-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.05);
}

.event-name-group {
    display: flex;
    flex-direction: column;
}

.event-name {
    font-weight: 700;
    color: #fff;
    font-size: 0.95rem;
}

.event-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- Mobile Specific Dashboard Adjustments --- */
@media (max-width: 991px) {
    .dashboard-grid, .card-grid, .stats-grid, .dash-grid, .grid-2, .grid-3 {
        grid-template-columns: 1fr !important;
        gap: 1.25rem;
    }

    .dashboard-layout-sidebar {
        grid-template-columns: 1fr !important;
    }

    .planner-sidebar {
        position: static;
        margin-top: 2rem;
    }

    .dashboard-card-strip {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 1rem;
        margin: 0 -1rem 1.5rem;
        padding-left: 1rem;
        padding-right: 1rem;
        scrollbar-width: none;
    }

    .dashboard-card-strip::-webkit-scrollbar {
        display: none;
    }

    .dashboard-card-strip-item {
        flex: 0 0 240px;
        scroll-snap-align: center;
    }

    /* Modern Table to Card Conversion */
    .table-responsive table, table.data-table, table.modern-table {
        display: block;
        width: 100%;
        border: none !important;
    }

    .table-responsive thead, table.data-table thead { display: none; }

    .table-responsive tr, table.data-table tr {
        display: block;
        background: hsla(0, 0%, 100%, 0.02);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        padding: 1.25rem;
        margin-bottom: 1rem;
    }

    .table-responsive td, table.data-table td {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 0.75rem 0 !important;
        border-bottom: 1px solid hsla(0, 0%, 100%, 0.05) !important;
        text-align: right !important;
    }

    .table-responsive td:last-child { border-bottom: none !important; }

    .table-responsive td::before, table.data-table td::before {
        content: attr(data-label);
        font-weight: 700;
        font-size: 0.7rem;
        text-transform: uppercase;
        color: rgba(255, 255, 255, 0.4);
        letter-spacing: 0.5px;
        margin-right: 1rem;
        text-align: left;
    }
}

/* --- Mobile UX Standardization --- */
:root {
    --touch-target: 48px;
}

@media (max-width: 991px) {
    /* Fluid Typography */
    h1 { font-size: 1.75rem !important; font-weight: 800; line-height: 1.2; }
    h2 { font-size: 1.5rem !important; font-weight: 700; }
    h3 { font-size: 1.25rem !important; }
    
    /* Touch Targets & Padding */
    .btn, .nav-item, .tab-item, .quick-action-btn, select, input, .form-control {
        min-height: var(--touch-target);
    }

    .container, .dashboard-container {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* --- Buttons & Inputs --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-secondary {
    background: var(--bg-surface);
    color: #fff;
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: hsla(0, 0%, 100%, 0.08);
    border-color: hsla(0, 0%, 100%, 0.2);
}

input, select, textarea {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: #fff;
    padding: 0.75rem 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: hsla(0, 0%, 100%, 0.06);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

/* Premium Modal System */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    overflow-y: auto;
    padding: 2rem 1rem;
    align-items: center;
    justify-content: center;
}

.modal.active, .modal[style*="display: flex"], .modal[style*="display: block"] {
    display: flex !important;
}

.modal-content {
    background: var(--bg-obsidian);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 0;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
    max-width: 100%;
    width: 500px;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.4rem;
    font-family: var(--font-heading);
    letter-spacing: -0.5px;
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    scrollbar-width: thin;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.01);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    outline: none !important;
    font-size: 1.2rem;
    line-height: 1;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
    border-color: var(--primary);
}

.modal-close:focus {
    box-shadow: 0 0 0 2px var(--primary-glow);
}

/* Detail Row for Premium Look */
.modal-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-detail-row:last-child {
    border-bottom: none;
}

.modal-detail-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.modal-detail-value {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
}

.modal-content::-webkit-scrollbar { width: 6px; }
.modal-content::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }

@media (max-width: 600px) {
    .modal-content {
        width: 100%;
        margin: 1rem;
        border-radius: var(--radius-lg);
    }
    .modal-header, .modal-body, .modal-footer {
        padding: 1.25rem;
    }
}