/* =================================================================== */
/* F1 TELEMETRY DASHBOARD - v5.5 BACK-BUTTON-UPDATE                   */
/* =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;600;700&family=Roboto+Mono:wght@400;500&display=swap');

:root {
    --accent-red: #e10600;
    --glow-red: rgba(225, 6, 0, 0.4);
    --accent-discord: #5865F2;
    --card-border-radius: 16px;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);

    /* Light Mode */
    --bg-color: #f4f4f4;
    --bg-card-color: #ffffff;
    --text-primary: #1d1d1f;
    --text-secondary: #555;
    --border-color: #e5e5e5;
    --header-bg: rgba(255, 255, 255, 0.7);
    --shadow-soft: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-medium: 0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -2px rgba(0,0,0,0.04);
    --video-overlay-color: rgba(255, 255, 255, 0.3);
}

html.dark-mode {
    --bg-color: #02040a;
    --bg-card-color: #0d1117;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --border-color: #21262d;
    --header-bg: rgba(2, 4, 10, 0.6);
    --shadow-soft: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-medium: 0 10px 15px -3px rgba(0,0,0,0.15), 0 4px 6px -2px rgba(0,0,0,0.1);
    --video-overlay-color: rgba(0, 0, 0, 0.6);
}

html, body {
    box-sizing: border-box;
    scroll-behavior: smooth;
    overflow-x: hidden;
}
*, *::before, *::after {
    box-sizing: inherit;
}

body {
    font-family: 'Exo 2', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: color var(--transition-fast);
}

#video-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
}

#video-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#video-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--video-overlay-color);
    z-index: -1;
    transition: background-color var(--transition-fast);
}

header {
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 5%;
    position: sticky; 
    top: 0;
    z-index: 1000;
    transform: translateZ(0);
}

header h1 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-red);
    text-shadow: 0 0 20px var(--glow-red);
    margin: 0;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 1rem;
    padding: 0;
    gap: 10px;
    flex-wrap: wrap;
}

nav ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    padding: 10px 15px;
    border-radius: 8px;
    position: relative;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

nav ul li a:hover {
    color: var(--text-primary);
    background-color: var(--border-color);
}

.dropdown {
    position: relative;
}

.dropbtn i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.dropdown-content {
    display: none;
    position: absolute;
    min-width: 200px;
    background: var(--bg-card-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px var(--shadow-soft);
    top: 100%;
    left: 0;
    margin-top: 8px;
    padding: 5px 0;
    border-radius: 8px;
    z-index: 1001;
    overflow: hidden;
}

.dropdown-content a {
    color: var(--text-secondary);
    padding: 12px 20px;
    display: block;
    text-align: left;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover .dropbtn i {
    transform: rotate(180deg);
}

main {
    width: 95%;
    max-width: 1800px;
    margin: 40px auto;
    flex-grow: 1;
    position: relative;
    z-index: 1;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
}

.dashboard-grid {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    perspective: 1000px;
}

.dashboard-card {
    background: var(--bg-card-color);
    border: 1px solid var(--border-color);
    border-radius: var(--card-border-radius);
    padding: 30px;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: transform var(--transition-slow), box-shadow var(--transition-medium), border-color var(--transition-medium);
    transform-style: preserve-3d;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

.dashboard-card:hover {
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-red);
}

html.dark-mode .dashboard-card:hover {
    box-shadow: var(--shadow-medium), 0 0 25px var(--glow-red);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dashboard-card:nth-child(2) {
    animation-delay: 0.1s;
}

.dashboard-card:nth-child(3) {
    animation-delay: 0.2s;
}

.dashboard-card h3 {
    color: var(--text-primary);
    font-size: 1.4rem;
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    position: relative;
    z-index: 2;
}

.dashboard-card > *:not(h3) {
    position: relative;
    z-index: 2;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Roboto Mono', monospace;
    transition: transform var(--transition-medium);
}

.dashboard-card:hover table {
    transform: scale(1.03);
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    font-family: 'Exo 2', sans-serif;
}

tbody tr {
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

tbody tr:hover {
    background-color: var(--border-color);
    transform: translateX(10px);
}

tbody td a {
    color: var(--accent-red);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
}

tbody tr:hover td,
tbody tr:hover td a {
    color: var(--text-primary);
}

form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card-color);
    padding: 30px;
    border-radius: var(--card-border-radius);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.5s ease-out forwards;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-secondary);
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select {
    width: 100%;
    padding: 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 10px var(--glow-red);
}

button,
input[type="submit"] {
    background: var(--accent-red);
    color: #fff;
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

button:hover,
input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--glow-red);
}

button::after,
input[type="submit"]::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to right, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
    transform: rotate(20deg);
    opacity: 0;
    transition: opacity 0.4s ease, left 0.7s ease;
}

button:hover::after,
input[type="submit"]:hover::after {
    opacity: 1;
    left: 100%;
}

.message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
}

.message.success {
    background-color: rgba(0, 255, 135, 0.1);
    border: 1px solid #00FF87;
    color: #00FF87;
}

.message.error {
    background-color: rgba(225, 6, 0, 0.1);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
}

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.discord-btn {
    background-color: var(--accent-discord);
    color: #FFFFFF !important;
    text-shadow: none !important;
    transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.discord-btn:hover {
    background-color: #4f5bda !important;
    color: #FFFFFF !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(88, 101, 242, 0.4);
}

.discord-btn i {
    margin-right: 8px;
}

#theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

#theme-toggle:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
    transform: rotate(15deg) scale(1.1);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
    margin: 40px 0;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}
.stat-card {
    background: var(--bg-card-color);
    border: 1px solid var(--border-color);
    border-radius: var(--card-border-radius);
    padding: 25px 20px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    
    /* NEU: Vorbereitung für den Effekt */
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

/* NEU: Das Pseudo-Element für den "Glowing Border" */
.stat-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%; 
    height: 150%;
    background: conic-gradient(
        from 180deg at 50% 50%, 
        var(--accent-red), 
        var(--accent-discord), 
        var(--accent-red)
    );
    z-index: -1;
    animation: rotate-glowing-border 6s linear infinite;
    animation-play-state: paused;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

/* NEU: Die innere "Maske" */
.stat-card::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: calc(100% - 4px);
    height: calc(100% - 4px);
    background: var(--bg-card-color);
    border-radius: calc(var(--card-border-radius) - 2px);
    z-index: 0;
}

/* NEU: Startet die Animation beim Hover */
.stat-card:hover::before {
    opacity: 1;
    animation-play-state: running;
}

/* Die Keyframe-Animation (wird wiederverwendet) */
@keyframes rotate-glowing-border {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-red);
    font-family: 'Roboto Mono', monospace;
    line-height: 1.1;
    position: relative; /* Stellt sicher, dass die Zahl über der Maske liegt */
    z-index: 2;
}
.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 500;
    position: relative; /* Stellt sicher, dass der Text über der Maske liegt */
    z-index: 2;
}

.back-link-container {
    text-align: center;
    margin-bottom: 40px;
}
.back-link {
    display: inline-block;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all var(--transition-fast);
}
.back-link:hover {
    color: var(--text-primary);
    background-color: var(--border-color);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

@media (max-width: 768px) {
    header {
        padding: 1rem 5%;
    }
    header h1 {
        font-size: 1.8rem;
    }
    .stat-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
    }
    .stat-value {
        font-size: 2rem;
    }
}
#countdown {
    display: flex;
    gap: 10px;
    margin-top: 5px;
}
.countdown-part {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}
.countdown-part span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-left: 2px;
}
.next-race-box {
    grid-column: span 1;
}
@media (min-width: 992px) {
    .next-race-box {
        grid-column: span 3;
    }
}
.stat-box-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}
.stat-box {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(5px);
}
.stat-box-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}
.stat-box-content {
    display: flex;
    flex-direction: column;
}
.stat-box-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}
.stat-box-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}
.stat-box-sub {
    font-size: 0.9rem;
    color: var(--text-secondary);
}