/* Import elegant typeface */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;1,600&display=swap');

:root {
    --bg-dark: #0c0c0e;
    --bg-card: rgba(22, 22, 28, 0.65);
    --bg-card-hover: rgba(32, 32, 42, 0.85);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    
    /* Harmonious NFL Accent Colors */
    --accent-teal: #10b981; /* Emerald/Teal success */
    --accent-neon: #3b82f6; /* Premium Blue glow */
    --accent-gold: #f59e0b; /* Gold/Amber highlight */
    --accent-error: #ef4444; /* Alert red */
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: radial-gradient(circle at 50% 0%, #1e1e24 0%, var(--bg-dark) 80%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    padding: 16px;
    line-height: 1.5;
}

/* Elegant Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}

/* Header UI Styles */
header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 24px;
    padding-top: 12px;
}

.title-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

h1 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 400;
    max-width: 90%;
}

.weekly-meta {
    margin-top: 12px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-gold);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Glassmorphism Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: var(--transition-smooth);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* User Registration/Status Panel */
.status-pill {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    margin-bottom: 16px;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.unpaid { background: rgba(239, 68, 68, 0.15); color: var(--accent-error); border: 1px solid rgba(239, 68, 68, 0.3); }
.status-badge.pending { background: rgba(245, 158, 11, 0.15); color: var(--accent-gold); border: 1px solid rgba(245, 158, 11, 0.3); }
.status-badge.approved { background: rgba(16, 185, 129, 0.15); color: var(--accent-teal); border: 1px solid rgba(16, 185, 129, 0.3); }

/* Matchup Slates */
.matchups-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media(min-width: 768px) {
    .matchups-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

.matchup-card {
    position: relative;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: var(--transition-smooth);
    overflow: hidden;
}

.matchup-card.locked {
    opacity: 0.8;
}

.matchup-card.locked .team-btn {
    pointer-events: none;
}

.matchup-card:hover {
    background: var(--bg-card-hover);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.game-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 8px;
}

.badge {
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.65rem;
    font-weight: 700;
}

.badge.intl { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.badge.snf { background: rgba(245, 158, 11, 0.2); color: var(--accent-gold); }

.teams-grid {
    display: grid;
    grid-template-columns: 1fr 40px 1fr;
    align-items: center;
    text-align: center;
}

.team-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.team-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: scale(1.03);
}

.team-btn.selected {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.25);
}

.team-btn.selected.correct {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.25);
}

.team-btn.selected.incorrect {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.25);
}

.team-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    margin-bottom: 8px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.team-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.vs-text {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text-secondary);
    font-style: italic;
}

/* Tie-Breaker UI Section */
.tiebreaker-slider-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
}

.tiebreaker-val {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-gold);
    text-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
}

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: rgba(255,255,255,0.1);
    outline: none;
    transition: opacity .2s;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-gold);
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.6);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Button & Action Items */
.submit-btn {
    width: 100%;
    padding: 16px 24px;
    border-radius: 50px;
    border: none;
    background: linear-gradient(135deg, var(--accent-neon) 0%, var(--accent-gold) 100%);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
    transition: var(--transition-smooth);
    margin-top: 20px;
}

.submit-btn:hover {
    transform: scale(1.01);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
}

.submit-btn:disabled {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* Standings / Leaderboard Tables */
.leaderboard-tbl {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}

.leaderboard-tbl th {
    text-align: left;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.leaderboard-tbl td {
    padding: 12px;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.leaderboard-tbl tr:last-child td {
    border-bottom: none;
}

.leaderboard-tbl tr.highlight {
    background: rgba(245, 158, 11, 0.08);
    font-weight: 600;
}

.leaderboard-tbl tr.highlight td {
    color: var(--accent-gold);
}

.pos {
    font-weight: 700;
    color: var(--text-secondary);
}

.pos-1 { color: #f59e0b; }
.pos-2 { color: #9ca3af; }
.pos-3 { color: #b45309; }

/* Modal & Toast Alerts */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(22, 22, 28, 0.95);
    border: 1px solid var(--accent-neon);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    padding: 14px 28px;
    border-radius: 50px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.success { border-color: var(--accent-teal); color: var(--accent-teal); }
.toast.error { border-color: var(--accent-error); color: var(--accent-error); }

/* Navigation Tab bar for Premium Dashboards */
.tabs {
    display: flex;
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    overflow: hidden;
    margin-bottom: 24px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 0;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: center;
}

.tab-btn.active {
    background: rgba(255, 255, 255, 0.07);
    color: var(--accent-gold);
    box-shadow: inset 0 -2px 0 var(--accent-gold);
}

/* Loader indicators */
.loader {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.05);
    border-radius: 50%;
    border-top-color: var(--accent-gold);
    animation: spin 1s ease-in-out infinite;
    margin: 40px auto;
}

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

.hidden {
    display: none !important;
}