:root {
    --pine-green: #14532d;
    --cranberry: #b91c1c;
    --snow-white: #f9fafb;
    --gold: #d4af37;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-dark: #0f172a;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--snow-white);
    color: var(--text-dark);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.hidden {
    display: none !important;
}

.mono {
    font-family: 'Roboto Mono', monospace;
}

/* Snow Particles */
.snow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.snowflake {
    position: absolute;
    background: #fff;
    border-radius: 50%;
    opacity: 0.8;
    animation: fall linear infinite;
    box-shadow: 0 0 5px rgba(255,255,255,0.8);
}
@keyframes fall {
    0% { transform: translateY(-20px); }
    100% { transform: translateY(100vh); }
}

/* Typography */
.display-title {
    font-family: 'Anton', sans-serif;
    font-size: 3rem;
    line-height: 1.1;
    color: var(--pine-green);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}
.subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Layout */
.page-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.top-header {
    background: var(--pine-green);
    color: var(--snow-white);
    padding: 1.5rem 2rem;
    text-align: center;
    border-bottom: 6px solid var(--cranberry);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.top-header h1 {
    font-family: 'Anton', sans-serif;
    font-size: 2.5rem;
    letter-spacing: 2px;
    margin: 0;
    color: var(--snow-white);
    text-transform: uppercase;
}

.layout-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    flex: 1;
}
@media(max-width: 900px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }
}

/* Cards */
.card {
    background: #fff;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: 1px solid rgba(20, 83, 45, 0.08);
}
@media(max-width: 600px) {
    .card { padding: 1.5rem; }
}

.hero-img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.prize-blurb {
    background: rgba(212, 175, 55, 0.15);
    border: 2px solid var(--gold);
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    color: var(--pine-green);
    font-size: 1.05rem;
}
.prize-blurb strong {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 1.15rem;
}

/* Forms */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
@media(max-width: 600px) {
    .form-row { grid-template-columns: 1fr; }
}

.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}
.form-group input {
    width: 100%;
    padding: 0.85rem 1rem;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: #f9fafb;
}
.form-group input:focus {
    outline: none;
    border-color: var(--pine-green);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(20, 83, 45, 0.1);
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 1.1rem;
    background: var(--cranberry);
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn:hover {
    background: #991b1b;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(185, 28, 28, 0.3);
}
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Quiz Interface */
.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-family: 'Roboto Mono', monospace;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--pine-green);
    padding-bottom: 1rem;
    border-bottom: 2px solid #f3f4f6;
}
.score-display {
    color: var(--cranberry);
}

.timer-container {
    height: 14px;
    background: #e5e7eb;
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}
.timer-bar {
    height: 100%;
    background: var(--pine-green);
    width: 100%;
    transition: width 0.1s linear, background-color 0.3s ease;
}
.timer-bar.warning { background: #ea580c; }
.timer-bar.danger { background: #dc2626; }

.question-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.answers-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
@media(max-width: 600px) {
    .answers-grid { grid-template-columns: 1fr; }
}

.answer-btn {
    padding: 1.25rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1.1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}
.answer-btn:hover:not(:disabled) {
    border-color: var(--pine-green);
    background: rgba(20, 83, 45, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.answer-btn.correct {
    background: var(--pine-green);
    border-color: var(--pine-green);
    color: white;
    box-shadow: 0 4px 15px rgba(20, 83, 45, 0.3);
}
.answer-btn.incorrect {
    background: var(--cranberry);
    border-color: var(--cranberry);
    color: white;
}

/* Results & Stats */
.result-header {
    text-align: center;
    margin-bottom: 2rem;
}
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}
.stat-box {
    background: #f3f4f6;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #e5e7eb;
}
.stat-box.accent {
    background: var(--pine-green);
    color: white;
    border-color: var(--pine-green);
}
.stat-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}
.stat-box.accent .stat-label {
    color: rgba(255,255,255,0.8);
}
.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
}
.stat-box:not(.accent) .stat-value {
    color: var(--cranberry);
}
.stat-box.accent .stat-value {
    color: var(--gold);
}

/* Social Share */
.share-section {
    text-align: center;
    padding-top: 2rem;
    border-top: 2px solid #f3f4f6;
}
.share-section h3 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}
.social-share {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.share-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.share-btn.x { background: #000; }
.share-btn.in { background: #0a66c2; }
.share-btn.rd { background: #ff4500; }

/* Leaderboard Sidebar */
.sidebar {
    background: var(--bg-dark);
    border-radius: 16px;
    color: white;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.4);
    height: 800px;
}
@media(max-width: 900px) {
    .sidebar { height: 500px; }
}

.lb-header {
    background: var(--pine-green);
    padding: 1.5rem;
    text-align: center;
    border-bottom: 3px solid var(--gold);
    position: relative;
}
.lb-header h3 {
    font-family: 'Anton', sans-serif;
    font-size: 2rem;
    margin: 0;
    letter-spacing: 1px;
}
.pulse-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    background: rgba(0,0,0,0.3);
    padding: 4px 10px;
    border-radius: 999px;
    margin-top: 0.5rem;
    color: #cbd5e1;
}
.pulse-indicator .dot {
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
    70% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.lb-list {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}
.lb-list::-webkit-scrollbar {
    width: 6px;
}
.lb-list::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
}
.lb-list::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 3px;
}

.lb-item {
    display: flex;
    align-items: center;
    padding: 0.85rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.95rem;
    transition: background 0.3s;
}
.lb-item:hover {
    background: rgba(255,255,255,0.05);
}
.lb-item.is-user {
    background: var(--gold);
    color: var(--pine-green);
    font-weight: 700;
    border-radius: 8px;
    border-bottom: none;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
    margin: 4px 0;
    z-index: 2;
    position: relative;
}

.lb-rank {
    width: 35px;
    font-weight: 700;
    color: var(--cranberry);
}
.lb-item:nth-child(1) .lb-rank,
.lb-item:nth-child(2) .lb-rank,
.lb-item:nth-child(3) .lb-rank {
    color: var(--gold);
}
.lb-item.is-user .lb-rank {
    color: var(--pine-green);
}

.lb-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}
.lb-score {
    font-weight: 700;
    color: #cbd5e1;
}
.lb-item.is-user .lb-score {
    color: var(--pine-green);
}

/* Loading state */
.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f4f6;
    border-top: 5px solid var(--pine-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }