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

body {
    font-family: 'Rajdhani', 'Segoe UI', Tahoma, sans-serif;
    background: radial-gradient(circle at top, #1f2230 0%, #0b0c14 60%, #05060a 100%);
    color: #f5f7ff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 16px 16px 24px;
    gap: 16px;
}

.auth-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: #121528;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.auth-bar input[type="email"], .auth-bar input[type="password"] {
    background: #0f1120;
    color: #e9ecff;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px;
    padding: 8px 10px;
    outline: none;
}
.auth-bar .auth-left { display: flex; align-items: center; gap: 8px; }
.auth-bar .auth-right { display: flex; align-items: center; gap: 8px; }
.auth-status { opacity: 0.8; font-size: 14px; }

.wrapper {
    display: grid;
    grid-template-columns: auto;
    gap: 24px;
    align-items: start;
    width: min(1180px, 100%);
    position: relative;
}

@media (min-width: 1100px) {
    .wrapper {
        grid-template-columns: 1fr;
    }
}

.hud {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.hud-card {
    background: linear-gradient(145deg, rgba(40, 44, 62, 0.9), rgba(20, 22, 31, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.35);
}

.label {
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 0.16em;
    color: rgba(228, 233, 255, 0.6);
}

.value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.game-shell {
    position: relative;
    background: rgba(10, 12, 18, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 16px;
    box-shadow: 0 24px 45px rgba(5, 6, 10, 0.55);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    width: 100%;
    max-width: 100vw;
}

.race-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    max-width: 1000px;
    padding: 16px;
    background: rgba(9, 10, 17, 0.4);
    backdrop-filter: saturate(120%) blur(6px);
    -webkit-backdrop-filter: saturate(120%) blur(6px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.race-left,
.race-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.race-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

@media (max-width: 768px) {
    .race-controls { gap: 12px; padding: 12px; }
    .race-left, .race-right { gap: 12px; }
    
    .pedal-button,
    .nitro-button {
        width: 90px;
        height: 90px;
        font-size: 13px;
    }
    
    .pedal-button.shift-mode {
        font-size: 18px;
    }
    
    .gauge-panel {
        padding: 12px;
    }
    
    #rpmCanvas { width: 160px; height: 160px; }
}

.game-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Sélecteur de mode de course */
.mode-select {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    position: absolute;
    top: 64px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 12px 14px;
}
.mode-select h3 {
    margin: 0;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: rgba(220,230,255,0.8);
}
.mode-select .mode-buttons { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.mode-select .secondary-button.active { border-color: #7cffb0; color: #7cffb0; }

/* Accueil */
.home-screen {
    width: 100%;
    max-width: 1000px;
    margin-top: 12px;
    background: rgba(10, 12, 18, 0.85);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 18px 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.home-title { font-size: 28px; font-weight: 800; letter-spacing: 0.06em; text-align: center; }
.home-sub { text-align: center; opacity: 0.8; }
.home-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.home-actions .spacer { flex: 1; }
.home-start { display: flex; justify-content: center; padding-top: 4px; }
.home-start .primary-button { padding: 16px 46px; }

/* Vision améliorée */
body.view-large .auth-bar,
body.view-large .footer { display: none !important; }
body.view-large .hud { transform: scale(1.06); transform-origin: top left; }
body.view-hide-gauge .gauge-panel { display: none !important; }

@media (max-width: 640px) {
    body.view-large .hud { transform: scale(1.02); }
}

#trackCanvas {
    border-radius: 16px;
    width: 100%;
    height: auto; /* sera géré en JS pour 16:9 exact */
    background: linear-gradient(180deg, #222739 0%, #0f111a 100%);
    border: 1px solid rgba(60, 70, 110, 0.45);
}

.status-banner {
    font-size: 18px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(220, 230, 255, 0.8);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    padding: 10px 16px;
    text-align: center;
}

.primary-button {
    border: none;
    outline: none;
    background: linear-gradient(120deg, #ff6f61 0%, #f9417a 55%, #6c4bff 120%);
    color: #fefeff;
    font-size: 18px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: 48px;
    padding: 14px 42px;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(246, 59, 121, 0.35);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(246, 59, 121, 0.45);
}

.primary-button:active {
    transform: translateY(1px);
}

.primary-button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}

.secondary-button {
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(14, 16, 25, 0.8);
    color: #e0e4ff;
    font-size: 16px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 46px;
    padding: 12px 28px;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease;
}

.secondary-button:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.35);
}

.secondary-button:active {
    transform: translateY(1px);
}

.pedal-button {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: none;
    outline: none;
    background: radial-gradient(circle at 30% 30%, #ffe082 0%, #ff6f61 55%, #f9417a 100%);
    color: #1a1629;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(249, 65, 122, 0.32);
    transition: transform 0.16s ease, box-shadow 0.16s ease;
    touch-action: none;
}

.pedal-button.is-active {
    transform: scale(0.96);
    box-shadow: 0 8px 18px rgba(249, 65, 122, 0.28);
}

.pedal-button:active {
    transform: scale(0.92);
}

/* Aspect visuel quand le bouton sert de shifter */
.pedal-button.shift-mode {
    background: radial-gradient(circle at 30% 30%, #b9ffea 0%, #7cffb0 55%, #20c997 100%);
    font-size: 24px;
}

.nitro-button {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: none;
    outline: none;
    background: radial-gradient(circle at 30% 30%, #9cd4ff 0%, #5ac8ff 45%, #2a6cff 100%);
    color: #081229;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(52, 133, 255, 0.35);
    transition: transform 0.16s ease, box-shadow 0.16s ease;
    touch-action: none;
}

.nitro-button:active,
.nitro-button.is-active {
    transform: scale(0.94);
    box-shadow: 0 18px 30px rgba(52, 133, 255, 0.3);
}

.nitro-button.is-disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}

.gauge-panel {
    background: rgba(12, 14, 22, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.45);
}

#rpmCanvas {
    width: 200px;
    height: 200px;
}

.gear-display {
    text-align: center;
}

.gear-label {
    text-transform: uppercase;
    letter-spacing: 0.24em;
    font-size: 13px;
    color: rgba(224, 228, 244, 0.6);
}

.gear-value {
    display: block;
    font-size: 44px;
    letter-spacing: 0.16em;
    font-weight: 700;
    margin-top: 6px;
}

.garage-overlay {
    position: fixed;
    inset: 0;
    background: rgba(6, 7, 11, 0.78);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 200;
}

.garage-overlay[hidden] {
    display: none !important;
}

.garage-panel {
    width: min(680px, 100%);
    max-height: calc(100vh - 48px);
    background: linear-gradient(145deg, rgba(20, 23, 36, 0.96), rgba(9, 10, 18, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
}

.garage-header,
.garage-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.garage-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: none;
}

.garage-tabs {
    display: flex;
    gap: 0;
    background: rgba(15, 17, 28, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.garage-tab {
    flex: 1;
    padding: 14px 20px;
    background: transparent;
    color: rgba(220, 230, 255, 0.6);
    border: none;
    cursor: pointer;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: all 0.2s ease;
    border-bottom: 3px solid transparent;
}

.garage-tab:hover {
    background: rgba(255, 255, 255, 0.03);
    color: rgba(220, 230, 255, 0.85);
}

.garage-tab.active {
    color: #7cffb0;
    border-bottom-color: #7cffb0;
    background: rgba(124, 255, 176, 0.05);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.upgrade-card {
    background: linear-gradient(145deg, rgba(35, 38, 54, 0.8), rgba(18, 20, 30, 0.8));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.upgrade-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #7ecbff;
    margin-bottom: 10px;
}

.upgrade-description {
    font-size: 15px;
    line-height: 1.5;
    color: rgba(214, 219, 240, 0.8);
    margin-bottom: 14px;
}

.upgrade-description span {
    font-weight: 600;
    color: #d6ddff;
}

.upgrade-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.reward-icon {
    font-size: 18px;
}

.garage-content {
    padding: 12px 24px 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.opponents-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}
.opponent-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
}
.opponent-meta { display: flex; flex-direction: column; gap: 4px; }
.opponent-name { font-weight: 700; color: #d6ddff; }
.opponent-stats { font-size: 13px; color: rgba(214,219,240,0.75); }
.opponent-select { white-space: nowrap; }

.garage-section h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.section-hint {
    font-size: 14px;
    color: rgba(214, 219, 240, 0.65);
    margin-bottom: 12px;
}

.slider-list {
    display: grid;
    gap: 18px;
}

.slider-group {
    display: grid;
    gap: 8px;
}

.slider-group label {
    font-size: 15px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(224, 228, 244, 0.8);
}

.slider-value {
    font-size: 14px;
    letter-spacing: 0.08em;
    color: rgba(214, 219, 240, 0.7);
}

input[type='range'] {
    width: 100%;
    accent-color: #f9417a;
}

.icon-button {
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: #f8f9ff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: transform 0.18s ease, background 0.18s ease;
}

.icon-button:hover {
    transform: scale(1.08);
    background: rgba(255, 255, 255, 0.14);
}

.icon-button:active {
    transform: scale(0.96);
}

.footer {
    font-size: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(214, 219, 240, 0.5);
}

@media (max-width: 768px) {
    body {
        padding: 12px 8px 60px;
    }

    .game-shell {
        padding: 12px 12px 210px;
    }

    .primary-button {
        padding: 12px 28px;
        font-size: 16px;
    }

    .gear-value {
        font-size: 36px;
    }

    .garage-overlay {
        padding: 16px;
    }
}

@media (max-width: 768px) {
    .gauge-panel {
        position: static;
        width: 100%;
        max-width: 420px;
        margin: 0 auto;
    }
}

@media (max-width: 520px) {
    .pedal-button {
        width: 160px;
        height: 160px;
        right: 20px;
        bottom: 24px;
        font-size: 15px;
    }

    .nitro-button {
        width: 160px;
        height: 160px;
        left: 20px;
        bottom: 24px;
        font-size: 15px;
    }

    .garage-panel {
        width: 100%;
        max-height: 100vh;
    }

    .garage-header,
    .garage-footer {
        padding: 18px 20px;
    }

    .garage-content {
        padding: 10px 20px 20px;
    }
}

/* Overlay de la zone de jeu */
.playfield { position: relative; width: 100%; }
.overlay { position: absolute; inset: 0; pointer-events: none; }
.overlay .status-banner { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); pointer-events: auto; }
/* plus d'actions dans l'overlay: actions déplacées dans la page d'accueil */