@import url('https://fonts.googleapis.com/css2?family=Segoe+UI:wght@400;600;700;900&display=swap');

:root {
    --bg-color: #0b0d0e;
    --card-bg: #12151b;
    --card-bg-sub: #181c24;
    --accent-lime: #84cc16;
    --accent-amber: #f59e0b;
    --accent-cyan: #06b6d4;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --border-color: #27272a;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    padding: 20px;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 20px 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 25px;
}

header h1 {
    color: var(--accent-lime);
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 15px;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: 6px;
    background: #1f242d;
    transition: 0.2s;
    font-size: 0.9rem;
    text-transform: uppercase;
}

nav a:hover, nav a.active {
    background: var(--accent-lime);
    color: #000;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
}

h2 {
    margin-bottom: 20px;
    font-size: 1.4rem;
    color: var(--text-main);
    border-left: 4px solid var(--accent-lime);
    padding-left: 10px;
    text-transform: uppercase;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    padding: 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #0b0d0e;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

tr:hover {
    background-color: rgba(132, 204, 22, 0.04);
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: bold;
}

input, select {
    width: 100%;
    padding: 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main);
    font-size: 1rem;
}

input:focus, select:focus {
    border-color: var(--accent-lime);
    outline: none;
}

button {
    background: var(--accent-lime);
    color: #000;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    transition: opacity 0.2s;
}

button:hover {
    opacity: 0.9;
}

.chronometre-box {
    background: #0b0d0e;
    border: 2px dashed var(--accent-lime);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 20px;
}

.chrono-display {
    font-size: 3.5rem;
    font-family: monospace;
    color: var(--accent-lime);
    margin: 15px 0;
    font-weight: 900;
}

.btn-row {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Boutons de sélection d'onglets (Classements séparés) */
.tab-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.tab-btn {
    background: var(--card-bg);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 14px 24px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s ease;
    flex: 1;
    text-align: center;
}

.tab-btn:hover {
    border-color: var(--accent-lime);
    color: var(--text-main);
}

.tab-btn.active {
    background: var(--accent-lime);
    color: #000;
    border-color: var(--accent-lime);
}

.alert {
    background: rgba(132, 204, 22, 0.15);
    border: 1px solid var(--accent-lime);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    color: #bef264;
    font-weight: 600;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media(max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
    header { flex-direction: column; gap: 15px; text-align: center; }
    nav { display: flex; justify-content: center; }
}