/* 
 * Sistema de Diseño y Estilos Globales - El Pilar Futbolero FWC 26
 * Implementación de un tema premium oscuro con glassmorphism, Outfit font y efectos responsivos.
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* Variables y Tokens de Diseño */
:root {
    --bg-main: #060913;          /* Fondo oscuro obsidiana profundo */
    --bg-card: rgba(15, 23, 42, 0.6); /* Vidrio para glassmorphism (slate oscuro) */
    --bg-card-solid: #0f172a;    /* Color sólido para cards secundarias */
    
    --primary: #0284c7;          /* Azul eléctrico vibrante (fuerza del pilar) */
    --primary-hover: #0369a1;
    --accent: #10b981;           /* Verde césped/esmeralda (acción del fútbol) */
    --accent-hover: #059669;
    --gold: #fbbf24;             /* Dorado campeonato brillante para copas/puntos */
    --danger: #ef4444;           /* Rojo para errores/advertencias */
    
    --text-main: #f8fafc;        /* Texto blanco principal */
    --text-muted: #94a3b8;       /* Texto gris secundario */
    --border-color: rgba(255, 255, 255, 0.06);
    
    --font-sans: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
}

/* ===== MODO CLARO ===== */
[data-theme="light"] {
    --bg-main: #f0f4f8;
    --bg-card: rgba(255, 255, 255, 0.92);
    --bg-card-solid: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: rgba(0, 0, 0, 0.09);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] body {
    background-color: var(--bg-main);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(2, 132, 199, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 40%);
}
[data-theme="light"] header {
    background: rgba(255, 255, 255, 0.92);
    border-bottom-color: rgba(0, 0, 0, 0.09);
}
[data-theme="light"] .nav-link { color: #475569; }
[data-theme="light"] .nav-link:hover, [data-theme="light"] .nav-link.active { color: var(--text-main); }
[data-theme="light"] .nav-menu { background: rgba(255, 255, 255, 0.99); }
[data-theme="light"] .form-control {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.12);
    color: var(--text-main);
}
[data-theme="light"] .form-control:focus { background: rgba(0, 0, 0, 0.06); }
[data-theme="light"] .btn-secondary {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.12);
    color: var(--text-main);
}
[data-theme="light"] .btn-secondary:hover { background: rgba(0, 0, 0, 0.09); }
[data-theme="light"] .bottom-nav {
    background: rgba(255, 255, 255, 0.97);
    border-top-color: rgba(0, 0, 0, 0.09);
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .bottom-nav-item { color: #64748b; }
[data-theme="light"] .bottom-nav-item.active { color: var(--primary); }
[data-theme="light"] .bottom-nav-item:hover,
[data-theme="light"] .bottom-nav-item:active { color: var(--text-main); }
[data-theme="light"] footer.global-footer {
    background: rgba(0, 0, 0, 0.03);
    border-top-color: rgba(0, 0, 0, 0.09);
    color: #475569;
}
[data-theme="light"] footer.global-footer span,
[data-theme="light"] footer.global-footer p { color: #475569; }
[data-theme="light"] .responsive-table-wrapper {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .responsive-table-wrapper th {
    background: rgba(0, 0, 0, 0.03);
    color: #475569;
    border-bottom-color: rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .responsive-table-wrapper td {
    border-bottom-color: rgba(0, 0, 0, 0.05);
    color: #1e293b;
}
[data-theme="light"] .lb-card {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.1);
}

/* Modal de confirmación de logout */
.swal-logout-popup {
    border: 1.5px solid rgba(255, 255, 255, 0.18) !important;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 30px 60px rgba(0, 0, 0, 0.6) !important;
    border-radius: 18px !important;
}

/* Reseteo y Estilos Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    width: 100%;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(2, 132, 199, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.06) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Contenedores Principales */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    min-width: 0;
    padding: 20px;
    padding-bottom: 80px;
    flex-grow: 1;
    overflow-x: hidden;
}

/* Header & Navegación */
header {
    display: none;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text-main);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.5px;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

/* Botones Premium */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    text-decoration: none;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), #047857);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--accent);
    color: white;
}

.btn-accent:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

/* Formularios de Autenticación Centrados (Login/Registro) */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    padding: 40px 20px;
}

.auth-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 450px;
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.4s ease-out;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #ffffff;
}

.auth-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Campos de Formulario */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    padding: 12px 16px;
    color: white;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.3);
    outline: none;
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.25);
}

/* Alertas y Mensajes */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.2);
}

.auth-footer {
    text-align: center;
    margin-top: 25px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.auth-footer a:hover {
    color: #8f82f0;
    text-decoration: underline;
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer Global */
footer.global-footer {
    text-align: center;
    padding: 20px;
    padding-bottom: 82px;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    background: rgba(10, 14, 26, 0.5);
}

/* ==========================================================================
   SISTEMA DE DISEÑO RESPONSIVO (MÓVIL-FIRST / ADAPTATIVO)
   ========================================================================== */

/* Toggle de Navegación Móvil */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 5px;
    outline: none;
}

/* Grid Responsivo para el Dashboard (index.php) */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    text-align: left;
}

.dashboard-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    padding: 35px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.dashboard-card-gold {
    background: linear-gradient(145deg, rgba(19, 26, 44, 0.9) 0%, rgba(10, 14, 26, 0.95) 100%);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Grilla Responsiva para el Reglamento */
.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* Contenedor y Ocultación de Columnas de Tablas */
.responsive-table-wrapper {
    overflow-x: auto;
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(15, 23, 42, 0.4);
    margin-bottom: 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) transparent;
}

.responsive-table-wrapper table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.responsive-table-wrapper th {
    background: rgba(10, 14, 26, 0.6);
    color: var(--text-muted);
    font-weight: 600;
    padding: 14px 12px;
    border-bottom: 1px solid var(--border-color);
}

.responsive-table-wrapper td {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.02);
}

/* Selector Responsivo Móvil de Rondas del Bracket */
.mobile-round-selector {
    display: none;
    justify-content: flex-start;
    gap: 8px;
    margin-bottom: 25px;
    overflow-x: auto;
    padding: 5px 0 12px 0;
    width: 100%;
    scrollbar-width: none; /* Ocultar scrollbar en Firefox */
}

.mobile-round-selector::-webkit-scrollbar {
    display: none; /* Ocultar scrollbar en Chrome/Safari */
}

.round-selector-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
}

.round-selector-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(2, 132, 199, 0.3);
}

/* Barra flotante de guardar cambios responsiva */
.unsaved-sticky-bar {
    position: fixed;
    bottom: 62px;
    left: 0;
    width: 100%;
    z-index: 999;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 15px 20px;
    margin-top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .unsaved-sticky-bar {
    background: rgba(255, 255, 255, 0.9);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.06);
}

#form-bracket {
    padding-bottom: 150px;
}

/* Media Queries */
@media (max-width: 992px) {
    /* Bracket por columnas en móvil: mostrar solo la activa */
    .ko-columns-container.mobile-mode {
        overflow-x: hidden;
    }
    .ko-columns-container.mobile-mode .ko-column {
        display: none !important;
        flex: 0 0 100%;
    }
    .ko-columns-container.mobile-mode .ko-column.mobile-active {
        display: flex !important;
    }
}

@media (max-width: 768px) {
    /* Header y Navbar Hamburguesa */
    .nav-toggle {
        display: block;
    }
    
    .nav-container {
        padding: 10px 15px;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(6, 9, 19, 0.98);
        border-bottom: 1px solid var(--border-color);
        padding: 25px 20px;
        gap: 16px;
        align-items: stretch;
        z-index: 999;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.8);
    }
    
    .nav-menu.mobile-open {
        display: flex;
        animation: fadeIn 0.25s ease-out;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    
    .nav-menu li[style*="margin-left"] {
        margin-left: 0 !important;
        margin-top: 8px;
        margin-bottom: 8px;
    }

    /* Dashboard grids */
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .dashboard-card {
        padding: 22px;
    }

    /* Posiciones Table y Columnas secundarias ocultas */
    .col-desktop-only {
        display: none !important;
    }

    .responsive-table-wrapper th, .responsive-table-wrapper td {
        padding: 10px 8px;
        font-size: 0.82rem;
    }

    /* Reglamento */
    .rules-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* Grilla de Fase de Grupos */
    .groups-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .group-card {
        padding: 18px !important;
    }

    .match-row {
        font-size: 0.85rem !important;
        padding: 6px 8px !important;
    }

    .match-team {
        width: 40% !important;
    }

    .match-input {
        width: 38px !important;
        height: 30px !important;
        font-size: 0.9rem !important;
    }

    /* Sticky save bar */
    .unsaved-sticky-bar {
        flex-direction: column-reverse;
        gap: 12px;
        padding: 15px;
    }

    .unsaved-sticky-bar a, .unsaved-sticky-bar button {
        width: 100%;
    }

    /* Bottom nav override: ocultar hamburguesa y nav-menu */
    .nav-toggle { display: none !important; }
    .nav-menu { display: none !important; }
    .nav-menu.mobile-open { display: none !important; }

    /* Leaderboard: en móvil mostrar tarjetas, ocultar tabla */
    .responsive-table-wrapper { display: none; }
    .leaderboard-cards { display: block !important; }
}

@media (max-width: 1200px) {
    /* Admin Rows */
    .match-admin-row {
        flex-direction: column;
        align-items: stretch;
        padding: 15px;
        gap: 12px;
        text-align: center;
    }
    
    .match-admin-info {
        width: 100% !important;
        border-bottom: 1px dashed var(--border-color);
        padding-bottom: 8px;
    }
    
    .match-admin-teams {
        width: 100% !important;
        justify-content: center;
    }
    
    .match-admin-inputs {
        width: 100% !important;
        justify-content: center;
    }
    
    .match-admin-inputs form {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* ==========================================================================
   ADMIN LAYOUT & SIDEBAR STYLES (UNIFIED)
   ========================================================================== */
.admin-layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-top: 20px;
    min-height: 70vh;
}

.admin-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 30px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    min-height: calc(100vh - 60px);
    justify-content: flex-start;
}

.sidebar-mobile-header {
    display: none;
}

.sidebar-logo-mobile {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-main);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-logo-mobile span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.admin-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    outline: none;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.sidebar-title {
    font-weight: 800;
    color: var(--text-main);
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.3px;
}

.sidebar-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    height: 100%;
    flex-grow: 1;
}

.sidebar-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
}

.sidebar-btn:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    padding-left: 20px;
}

.sidebar-btn.active {
    background: linear-gradient(135deg, var(--primary) 0%, rgba(108, 92, 231, 0.6) 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.25);
    border-color: rgba(108, 92, 231, 0.2);
}

.sidebar-btn .icon {
    font-size: 1.15rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
}

.sidebar-logout {
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* Modo pantalla completa para el panel admin (sin navbar superior) */
.admin-fullscreen {
    padding-top: 30px !important;
    min-height: 100vh;
}

@media (max-width: 992px) {
    .admin-layout {
        flex-direction: column;
        gap: 25px;
    }

    .admin-sidebar {
        width: 100%;
        position: relative;
        top: 0;
        min-height: auto;
        padding: 0;
        border-radius: 16px;
        gap: 0;
    }

    .sidebar-mobile-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        width: 100%;
    }

    .admin-menu-toggle {
        display: block;
    }

    .sidebar-content {
        display: none;
        padding: 15px 20px 25px 20px;
        border-top: 1px solid var(--border-color);
        background: rgba(10, 14, 26, 0.98);
        border-radius: 0 0 16px 16px;
        animation: fadeIn 0.25s ease-out;
    }

    .admin-sidebar.mobile-open .sidebar-content {
        display: flex;
    }

    .desktop-only {
        display: none !important;
    }

    .sidebar-btn {
        width: 100%;
    }

    .sidebar-btn:hover {
        padding-left: 16px;
    }

    .sidebar-logout {
        margin-top: 15px;
    }
}

.admin-content {
    flex-grow: 1;
    min-width: 0;
    max-width: 100%;
    overflow-x: hidden;
}

.tab-section {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

/* ===== BOTTOM NAVIGATION BAR ===== */
.bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 62px;
    background: rgba(10, 14, 26, 0.97);
    border-top: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 200;
    flex-direction: row;
    justify-content: space-around;
    align-items: stretch;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.35);
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: var(--text-muted);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 4px;
    flex: 1;
    font-family: var(--font-sans);
    transition: color 0.2s;
    -webkit-tap-highlight-color: transparent;
    min-width: 0;
}

.bottom-nav-item.active { color: var(--primary); }
.bottom-nav-item:hover,
.bottom-nav-item:active { color: var(--text-main); }

.bottom-nav-icon {
    font-size: 1.3rem;
    line-height: 1;
}

.bottom-nav-label {
    font-size: 0.58rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

/* ===== LEADERBOARD CARDS (mobile only) ===== */
.leaderboard-cards { display: none; }

.lb-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 8px;
    transition: border-color 0.2s;
}

.lb-card-own {
    border-color: var(--primary);
    background: rgba(2, 132, 199, 0.06);
}

.lb-card-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.lb-card-pos {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--gold);
    min-width: 28px;
    text-align: center;
    flex-shrink: 0;
}

.lb-card-info {
    flex: 1;
    font-size: 0.88rem;
    line-height: 1.4;
    min-width: 0;
    overflow: hidden;
}

.lb-card-info b {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lb-card-pts {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--gold);
    white-space: nowrap;
    flex-shrink: 0;
}

.lb-card-actions {
    display: flex;
    gap: 8px;
}

.lb-card-actions .btn {
    flex: 1;
    padding: 7px 8px;
    font-size: 0.8rem;
    justify-content: center;
}

/* ===== BOTTOM NAV: AGRUPADO EN ESCRITORIO ===== */
@media (min-width: 769px) {
    .bottom-nav {
        justify-content: center;
        gap: 4px;
    }
    .bottom-nav-item {
        flex: 0 0 auto;
        min-width: 76px;
        max-width: 110px;
        padding: 6px 14px;
    }
}

/* ===== ADMIN MOBILE RESULTS ENTRY STYLES ===== */
.match-admin-row {
    background: rgba(255,255,255,0.01);
    border: 1px solid rgba(255,255,255,0.03);
    border-radius: 8px;
    padding: 12px 20px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}
.match-admin-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    width: 120px;
    flex-shrink: 0;
}
.match-admin-teams {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-main);
    flex-grow: 1;
    min-width: 0;
}
.match-admin-team {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    max-width: 100%;
}
.match-admin-team.local {
    justify-content: flex-end;
    text-align: right;
}
.match-admin-team.visitor {
    justify-content: flex-start;
    text-align: left;
}
.match-admin-team img {
    flex-shrink: 0;
}
.match-admin-team span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.match-admin-teams > span:only-child {
    grid-column: 1 / -1;
    white-space: normal;
}
.match-admin-vs {
    flex-shrink: 0;
    color: var(--text-muted);
    font-weight: normal;
    font-size: 0.85rem;
    margin: 0 5px;
}
.match-admin-inputs {
    display: flex;
    align-items: center;
    gap: 5px;
    width: 470px;
    flex-shrink: 0;
    justify-content: flex-end;
}
.match-admin-form {
    display: flex;
    align-items: center;
    gap: 10px;
}
.admin-score-in {
    width: 50px;
    height: 35px;
    text-align: center;
    font-weight: 700;
    background: rgba(0,0,0,0.4);
    color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
}
.admin-score-in:focus {
    border-color: var(--primary);
    outline: none;
}

@media (max-width: 1200px) {
    .match-admin-row {
        flex-direction: column;
        align-items: stretch;
        padding: 15px;
        gap: 12px;
        text-align: center;
    }
    .match-admin-info {
        width: 100% !important;
        border-bottom: 1px dashed var(--border-color);
        padding-bottom: 8px;
    }
    .match-admin-teams {
        width: 100% !important;
        justify-content: center;
    }
    .match-admin-inputs {
        width: 100% !important;
        justify-content: center;
    }
    .match-admin-form {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px !important;
    }
    .match-admin-form select {
        flex: 1 1 40%;
        min-width: 100px;
    }
    .match-admin-form button {
        width: 100%;
        margin-top: 4px;
    }
}

/* ===== ADMIN PANEL: MOBILE OVERRIDES ===== */
/* En el admin, la tabla de participantes y de posiciones siempre son visibles 
   (no se ocultan como la leaderboard de usuarios). Las tarjetas de móvil del admin 
   se muestran en lugar de la tabla para pantallas pequeñas. */
.admin-content .responsive-table-wrapper { display: block; }

/* Tarjetas de participantes para móvil (admin) */
.admin-participant-cards { display: none; }

@media (max-width: 768px) {
    /* En el admin, no ocultar la responsive-table-wrapper global,
       sino hacerla scrollable horizontalmente */
    .admin-content .responsive-table-wrapper {
        display: none !important;
    }
    .admin-participant-cards {
        display: block !important;
    }

    /* Pestañas de fases en sección de marcadores: scroll horizontal tipo chips */
    .admin-phase-tabs {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 8px;
        margin-bottom: 16px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .admin-phase-tabs::-webkit-scrollbar { display: none; }
    .admin-phase-tabs .btn-tab {
        flex-shrink: 0;
        padding: 7px 14px;
        font-size: 0.8rem;
    }

    /* Fila de partido en móvil: diseño compacto tipo card */
    .match-admin-row {
        flex-direction: column !important;
        align-items: stretch !important;
        padding: 10px 12px !important;
        gap: 8px !important;
        text-align: center !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
    }
    .match-admin-info {
        width: 100% !important;
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        text-align: left;
        border-bottom: 1px dashed var(--border-color);
        padding-bottom: 6px;
    }
    .match-admin-teams {
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        gap: 4px !important;
        font-size: 0.78rem !important;
    }
    .match-admin-team {
        gap: 3px !important;
        font-size: 0.76rem !important;
        min-width: 0 !important;
    }
    .match-admin-team img {
        width: 18px !important;
        height: 12px !important;
    }
    .match-admin-vs {
        margin: 0 2px !important;
        font-size: 0.72rem !important;
    }
    .match-admin-inputs {
        width: 100% !important;
        justify-content: center !important;
    }
    .match-admin-form {
        width: 100% !important;
        display: grid !important;
        grid-template-columns: 1fr 1fr;
        align-items: stretch !important;
        gap: 6px 8px !important;
    }
    .match-admin-form .admin-score-row {
        grid-column: 1 / -1;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        margin-bottom: 2px;
    }
    .match-admin-form select {
        width: 100% !important;
        flex: unset !important;
        min-width: 0 !important;
        margin: 0 !important;
    }
    .match-admin-form select:only-of-type {
        grid-column: 1 / -1;
    }
    .match-admin-form button {
        grid-column: 1 / -1;
        width: 100% !important;
        margin-top: 0 !important;
    }
    .admin-score-in {
        width: 48px !important;
        height: 42px !important;
        font-size: 1.15rem !important;
    }

    /* Tabla de posiciones admin en móvil: ya tiene leaderboard-cards, solo asegurar que se muestre */
    .admin-content .leaderboard-cards {
        display: block !important;
    }

    .admin-simulate-row {
        justify-content: stretch !important;
    }
    .admin-simulate-row form,
    .admin-simulate-row .btn {
        width: 100% !important;
    }
}

/* ===== HISTORIAL DE MENSAJES (admin) ===== */
.msg-history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.msg-history-item {
    background: rgba(255,255,255,0.015);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: 10px;
    padding: 10px 14px;
}
.msg-history-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.78rem;
    margin-bottom: 4px;
}
.msg-history-user {
    color: var(--text-main);
    font-weight: 700;
}
.msg-history-status {
    font-size: 0.75rem;
}
.msg-history-date {
    color: var(--text-muted);
    margin-left: auto;
    white-space: nowrap;
}
.msg-history-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.45;
    margin: 0;
    cursor: pointer;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.msg-history-text.expanded {
    -webkit-line-clamp: unset;
    overflow: visible;
}

@media (max-width: 768px) {
    .msg-history-item {
        padding: 8px 10px;
    }
    .msg-history-meta {
        font-size: 0.72rem;
        gap: 6px;
    }
    .msg-history-text {
        font-size: 0.82rem;
    }
}

/* ===== PARTICIPANT CARD (admin móvil) ===== */
.ap-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 10px;
}
.ap-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 10px;
}
.ap-card-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-main);
}
.ap-card-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.ap-card-pines {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
}
.ap-pin-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 0.82rem;
    gap: 8px;
}
.ap-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}
.ap-card-actions .btn {
    flex: 1;
    font-size: 0.8rem;
    padding: 7px 10px;
}

/* ===== RESPONSIVE UTILITIES FOR ADMIN PANEL ===== */
.admin-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    max-width: 100%;
    overflow-x: hidden;
}

.admin-card-gold {
    background: linear-gradient(145deg, rgba(19, 26, 44, 0.9) 0%, rgba(10, 14, 26, 0.95) 100%) !important;
    border: 1px solid rgba(245, 158, 11, 0.2) !important;
}

.admin-header-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.admin-phase-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 5px;
    flex-wrap: wrap;
}

@media (max-width: 992px) {
    .admin-header-title {
        margin-bottom: 25px;
        padding-bottom: 15px;
        gap: 12px;
    }
}

@media (max-width: 768px) {
    .admin-card {
        padding: 16px !important;
        border-radius: 12px;
        margin-bottom: 20px;
    }
    
    .admin-header-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .admin-header-title h1 {
        font-size: 1.7rem !important;
    }
    
    .admin-phase-tabs {
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        scrollbar-width: none !important;
        -ms-overflow-style: none !important;
        padding-bottom: 8px !important;
        margin-bottom: 16px !important;
        gap: 8px !important;
    }
    
    .admin-phase-tabs::-webkit-scrollbar {
        display: none !important;
    }
    
    /* Responsive team rows inside match input forms */
    .match-admin-teams {
        width: 100% !important;
        justify-content: center !important;
        min-width: 0 !important;
        font-size: 0.85rem !important;
        flex-wrap: wrap !important;
        gap: 6px !important;
    }
    
    .match-admin-team {
        gap: 5px !important;
        font-size: 0.82rem !important;
        flex: 1 1 40% !important;
        justify-content: center !important;
        text-align: center !important;
    }
    
    .match-admin-team.local {
        justify-content: center !important;
        text-align: center !important;
    }
    
    .match-admin-team.visitor {
        justify-content: center !important;
        text-align: center !important;
    }
    
    .match-admin-vs {
        flex: 1 1 100% !important;
        margin: 2px 0 !important;
        text-align: center !important;
    }
}

@media (max-width: 480px) {
    .sidebar-mobile-header {
        padding: 10px 15px !important;
    }
    .sidebar-logo-mobile {
        font-size: 1.05rem !important;
    }
    .admin-menu-toggle {
        font-size: 1.3rem !important;
    }
}