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

/* Sport Navigation */
.sport-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
}

.nav-link {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.nav-link.active {
    background: rgba(255, 215, 0, 0.3);
    border-color: rgba(255, 215, 0, 0.6);
    color: #FFD700;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    color: #fff;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 69, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 0, 0, 0.1) 0%, transparent 50%);
    animation: floatingOrbs 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes floatingOrbs {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

#app {
    width: 100%;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.screen {
    display: none;
    padding: 20px;
}

.screen.active {
    display: block;
}

/* Selection Screen */
#selection-screen header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    position: relative;
}

.header-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,69,0,0.3) 0%, transparent 70%);
    animation: headerGlow 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes headerGlow {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

#selection-screen h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #fff, #FF4500, #FFD700, #FF0000);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
    text-shadow: 0 0 30px rgba(255,69,0,0.5);
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.3));
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 5px;
}

.hint {
    font-size: 0.95rem;
    color: #FFD700;
    font-style: italic;
    margin-top: 8px;
    animation: fadeInOut 3s ease-in-out infinite;
    text-shadow: 0 0 10px rgba(255,215,0,0.5);
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.85; }
    50% { opacity: 1; }
}

/* Loading */
.loading {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top: 4px solid #FF4500;
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Race List */
.race-list {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    padding: 20px;
}

.race-card {
    background: linear-gradient(135deg, rgba(255,69,0,0.2) 0%, rgba(255,0,0,0.15) 100%);
    border: 2px solid rgba(255,69,0,0.4);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.race-card:hover {
    background: linear-gradient(135deg, rgba(255,69,0,0.3) 0%, rgba(255,0,0,0.25) 100%);
    border-color: rgba(255,69,0,0.6);
    box-shadow: 0 15px 40px rgba(255,69,0,0.4);
    transform: translateY(-10px) scale(1.02);
}

.race-card.selected {
    background: linear-gradient(135deg, rgba(255,69,0,0.35) 0%, rgba(255,0,0,0.3) 100%);
    border-color: #FF4500;
    box-shadow: 0 0 30px rgba(255,69,0,0.6);
}

.race-status {
    display: inline-block;
    padding: 5px 12px;
    background: linear-gradient(45deg, #ff4444, #ff6b6b);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 15px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.race-name {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #FFD700;
}

.race-track {
    font-size: 1rem;
    margin-bottom: 8px;
    opacity: 0.9;
}

.race-info {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.2);
    font-size: 0.9rem;
    opacity: 0.9;
}

.race-info div {
    margin: 5px 0;
}

.driver-info {
    margin-top: 15px;
    padding: 10px;
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
}

.driver-name {
    font-weight: bold;
    color: #FFD700;
}

/* Watch Button */
.watch-btn {
    display: block;
    margin: 40px auto;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    background: linear-gradient(135deg, #FF4500, #FF6347, #FF4500);
    background-size: 200% 200%;
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 5px 20px rgba(255,69,0,0.4);
    animation: buttonPulse 2s ease-in-out infinite;
}

.watch-btn:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 10px 35px rgba(255,69,0,0.8);
}

@keyframes buttonPulse {
    0%, 100% { box-shadow: 0 5px 20px rgba(255,69,0,0.4); }
    50% { box-shadow: 0 8px 30px rgba(255,69,0,0.6); }
}

/* No Races */
.no-races {
    text-align: center;
    padding: 60px 20px;
    font-size: 1.2rem;
}

/* Standings Section */
.standings-details-section {
    max-width: 1400px;
    margin: 40px auto;
    padding: 20px;
}

.standings-section {
    background: linear-gradient(135deg, rgba(255,69,0,0.15), rgba(255,0,0,0.15));
    border: 2px solid rgba(255,69,0,0.5);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
}

.standings-section h3 {
    color: #FF4500;
    text-align: center;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.standings-table {
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    overflow: hidden;
}

.table-header {
    display: grid;
    grid-template-columns: 60px 1fr 100px 80px 80px 80px;
    gap: 10px;
    padding: 12px 15px;
    background: rgba(255,69,0,0.3);
    font-weight: bold;
    font-size: 0.85rem;
    color: #FF6347;
}

.table-row {
    display: grid;
    grid-template-columns: 60px 1fr 100px 80px 80px 80px;
    gap: 10px;
    padding: 10px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.table-row:hover {
    background: rgba(255,255,255,0.05);
}

.table-row.playoff-driver {
    background: rgba(255,215,0,0.1);
}

/* Live Screen */
.live-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    margin-bottom: 20px;
    border-radius: 10px;
}

.live-header h1 {
    font-size: 2rem;
}

.back-btn {
    padding: 10px 20px;
    background: rgba(255,255,255,0.2);
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: rgba(255,255,255,0.3);
}

/* Race Panels */
.race-panels {
    display: grid;
    gap: 20px;
    padding: 0 20px 20px;
    height: calc(100vh - 140px);
}

.race-panels.panels-1 {
    grid-template-columns: 1fr;
}

.race-panels.panels-2 {
    grid-template-columns: repeat(2, 1fr);
}

.race-panel {
    background: linear-gradient(135deg, rgba(255,69,0,0.15), rgba(255,0,0,0.1));
    border: 2px solid rgba(255,69,0,0.4);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    overflow-y: auto;
}

.panel-header {
    margin-bottom: 20px;
}

.panel-race-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: #FFD700;
    margin-bottom: 10px;
}

.panel-race-info {
    font-size: 0.95rem;
    opacity: 0.9;
}

.panel-race-info div {
    margin: 5px 0;
}

.panel-details {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.leaderboard {
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

.leaderboard h4 {
    color: #FFD700;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.leaderboard-entry {
    display: grid;
    grid-template-columns: 40px 1fr 80px;
    gap: 10px;
    padding: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.leaderboard-entry:last-child {
    border-bottom: none;
}

.position {
    font-weight: bold;
    color: #FFD700;
}

.driver-name {
    font-weight: 600;
}

.laps-info {
    text-align: right;
    font-size: 0.9rem;
    opacity: 0.8;
}