/* ==========================================================================
   JEU : POINT CLOUD (STYLE SPECIFIQUE - MODES CLASSE ET LIBRE)
   ========================================================================== */

/* --- 1. LAYOUT PRINCIPAL --- */
.math-container.pc-layout {
    width: 100%;
    height: 100%;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
    transition: opacity 0.3s ease;
}

#game-over-overlay.visible ~ .math-container {
    opacity: 0;
    pointer-events: none;
}

.blurred {
    filter: blur(10px);
    opacity: 0.3;
    pointer-events: none;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.icon-btn,
.settings-btn,
.icon-btn svg,
.settings-btn svg,
.back-btn,
.back-btn svg {
    transition: none !important;
    animation: none !important;
}

/* --- OVERLAY DE STATUT (PRÊT ?) --- */
#status-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    pointer-events: auto;
    cursor: pointer;
}

#status-overlay.hidden {
    display: none !important;
    opacity: 0;
    pointer-events: none;
}

.status-main-text {
    font-family: var(--font-heading);
    font-size: 5.5rem;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: -4px;
    line-height: 1;
    transition: opacity 0.2s;
}

.status-sub-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 1.5rem;
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-sub-text svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
}

.game-board:fullscreen .status-main-text {
    font-size: 8.5rem;
}

.game-board:fullscreen .status-sub-text {
    font-size: 1.5rem;
    margin-top: 2rem;
}

.game-board:fullscreen .status-sub-text svg {
    width: 32px;
    height: 32px;
}

/* --- 2. HEADER & TIMER (ROUNDS) --- */
.game-header {
    padding: 0;
    margin-bottom: 0;
    flex-shrink: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative; /* Ajouté pour servir de référence au centrage absolu */
}

/* --- Largeur fixe pour la score box --- */
.score-box {
    width: 72px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    font-variant-numeric: tabular-nums;
    font-size: 1.2rem; /* Taille du texte réduite */
    font-weight: 700; /* Garde le score bien visible */
    white-space: nowrap; /* Empêche le retour à la ligne */
    overflow: hidden; /* Sécurité pour couper le texte s'il est vraiment trop long */
}

.timer-display {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 100%;
    font-size: 2.5rem;
    min-width: 110px;
    justify-content: center;
    padding: 0 15px;
    font-family: var(--font-heading);
    font-weight: 400;
    color: var(--accent-color);
    font-variant-numeric: tabular-nums;
    /* Ajouté pour forcer le centrage parfait au milieu du parent */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.timer-display svg {
    width: 40px;
    height: 40px;
    stroke: none;
    overflow: visible;
}

.timer-text {
    padding-top: 8px;
    white-space: nowrap;
}

/* --- 3. ESPACE DE JEU (PC Workspace) --- */
.workspace-container.pc-workspace {
    flex-grow: 1;
    width: 100%;
    margin: 1rem 0;
    position: relative;
    overflow: hidden;
    padding: 0;
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    background-color: color-mix(in srgb, var(--card-bg), transparent 50%);
    transition: filter 0.3s ease, opacity 0.3s ease;
    touch-action: none;
}

.pc-cross {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
}

.pc-cross::before,
.pc-cross::after {
    content: '';
    position: absolute;
    background-color: var(--text-primary);
}

.pc-cross::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 4px;
    transform: translateY(-50%);
}

.pc-cross::after {
    left: 50%;
    top: 0;
    height: 100%;
    width: 4px;
    transform: translateX(-50%);
}

.pc-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: var(--accent-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

/* --- SAISIE ET FEEDBACK --- */
#input-section {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.input-prompt {
    font-family: var(--font-body);
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.number-input {
    width: 100%;
    max-width: 300px;
    background-color: var(--bg-main);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 15px 20px;
    font-family: var(--font-heading);
    font-size: 3rem;
    text-align: center;
    letter-spacing: 4px;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
    margin-bottom: 1.5rem;
}

.number-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.submit-btn {
    font-size: 1.2rem;
    padding: 12px 40px;
}

/* Feedback instantané type Absolute Pitch */
.pc-instant-feedback {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    font-variant-numeric: tabular-nums;
    opacity: 1;
    animation: pcFeedbackPop 0.18s ease-out;
    pointer-events: none;
}

@keyframes pcFeedbackPop {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.92);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.round-feedback {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    background: var(--card-bg);
    padding: 30px 50px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-card);
    text-align: center;
    cursor: pointer;
}

.feedback-stat {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.feedback-stat span {
    font-weight: 700;
    color: var(--text-primary);
    margin-left: 10px;
    font-size: 2rem;
}

.feedback-gap {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin: 10px 0;
}

.feedback-gap.gap-perfect {
    color: var(--accent-color);
}

.feedback-gap.gap-error {
    color: var(--record-color, #ff4444);
}

.feedback-continue {
    margin-top: 15px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-secondary);
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

/* ==========================================================================
   UI PARTAGÉE
   ========================================================================== */
.input-select {
    background: var(--bg-main, #2a2a2a);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px;
    border-radius: var(--radius-md, 4px);
    font-family: var(--font-body, sans-serif);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    min-width: 150px;
    text-align: left;
}

.mode-switch-wrapper {
    display: flex;
    position: relative;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: 1.5rem;
}

.mode-switch-wrapper input[type="radio"] {
    display: none;
}

.mode-switch-wrapper label {
    flex: 1;
    text-align: center;
    padding: 10px 0;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 2;
    margin: 0;
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mode-switch-wrapper input:checked + label {
    color: var(--text-primary);
}

.mode-slider {
    position: absolute;
    top: 4px;
    bottom: 4px;
    width: calc(50% - 4px);
    background-color: var(--card-bg);
    border-radius: 6px;
    z-index: 1;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.mode-switch-wrapper input[value="sandbox"]:checked ~ .mode-slider {
    transform: translateX(100%);
}

/* --- VUES DE RÉSULTATS --- */
.results-view {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.results-view.hidden {
    display: none !important;
}

#game-over-overlay .overlay-content {
    justify-content: center;
    gap: 1.5rem;
}

.centered-score-item {
    text-align: center;
    margin-bottom: 3rem;
}

.centered-score-item .res-label {
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
    display: block;
    margin-bottom: 0.8rem;
}

.big-score-container {
    display: flex;
    align-items: baseline;
    justify-content: center;
    position: relative;
}

.res-value.big {
    font-size: 5.5rem;
    font-weight: 700;
    line-height: 1;
    font-family: var(--font-heading);
    color: var(--accent-color);
}

/* --- STATS SANDBOX --- */
.sandbox-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0 0.5rem 0;
    width: 100%;
    max-width: 600px;
}

.stat-box-small {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 120px;
}

.stat-title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

.full-width-item {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

/* --- GRAPHIQUE COURBE DE GAUSS --- */
.distribution-chart-container {
    position: relative;
    width: 100%;
    max-width: 650px;
    height: 180px;
    margin: 1.5rem 0 2rem 0;
    border-bottom: 2px solid var(--border-color);
    cursor: crosshair;
}

.curve-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.hover-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--text-primary);
    transform: translateX(-50%);
    pointer-events: none;
    opacity: 0.3;
    z-index: 3;
    transition: opacity 0.2s ease;
}

.chart-tooltip {
    position: absolute;
    top: -55px;
    transform: translateX(-50%);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-primary);
    pointer-events: none;
    white-space: nowrap;
    z-index: 10;
    box-shadow: var(--shadow-card);
    text-align: center;
    line-height: 1.4;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.hover-line.hidden,
.chart-tooltip.hidden {
    opacity: 0 !important;
    visibility: hidden !important;
}

.score-marker {
    position: absolute;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: translateX(-50%);
    pointer-events: none;
    transition: left 0.5s ease-out;
}

.marker-line {
    width: 2px;
    height: 100%;
    border-left: 2px dashed currentColor;
}

.marker-label {
    position: absolute;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    white-space: nowrap;
}

.marker-current {
    color: var(--accent-color);
    z-index: 2;
}

.marker-current .marker-label {
    bottom: 100%;
    margin-bottom: 5px;
    background: var(--bg-main);
    border: 1px solid currentColor;
}

.marker-best {
    color: var(--text-tertiary);
    z-index: 1;
    opacity: 1;
}

.marker-best .marker-label {
    top: 100%;
    margin-top: 5px;
    color: var(--text-secondary);
}

#restart-btn {
    margin-top: 2rem;
}

/* --- 5. ACTIONS (FOOTER) --- */
.game-actions-row {
    padding: 0;
    margin: 0;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    width: 100%;
}

html.global-opaque .workspace-container.pc-workspace {
    background-color: var(--card-bg);
}

/* --- STYLE DES SLIDERS SETTINGS --- */
.slider {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    width: 100%;
    height: 24px !important;
    border-radius: 6px;
    cursor: pointer;
    outline: none;
    margin: 0;
    background-color: transparent;
    background-image: linear-gradient(to right,
        var(--accent-color) 0%,
        var(--accent-color) var(--val-percent, 0%),
        var(--dot-color, rgba(125,125,125,0.2)) var(--val-percent, 0%),
        var(--dot-color, rgba(125,125,125,0.2)) 100%);
    background-size: 100% 6px;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
    z-index: 2;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #ffffff;
    border: 2px solid var(--accent-color);
    border-radius: 6px;
    cursor: grab;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: transform 0.2s cubic-bezier(0.3, 1.5, 0.7, 1), background 0.2s;
    margin-top: 0 !important;
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #ffffff;
    border: 2px solid var(--accent-color);
    border-radius: 6px;
    cursor: grab;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: transform 0.2s cubic-bezier(0.3, 1.5, 0.7, 1);
    box-sizing: border-box;
}

.slider:hover::-webkit-slider-thumb {
    transform: scale(1.1);
}

.slider:active::-webkit-slider-thumb {
    cursor: grabbing;
    transform: scale(0.9);
    background: var(--accent-color);
    border-color: #ffffff;
}

.slider:active::-moz-range-thumb {
    cursor: grabbing;
    transform: scale(0.9);
    background: var(--accent-color);
    border-color: #ffffff;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    width: 100%;
}

.slider-value-badge {
    font-family: var(--font-heading, sans-serif);
    font-weight: 600;
    color: var(--text-primary);
    min-width: 45px;
    text-align: right;
    font-size: 1rem;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color, #444);
}

.slider-value-badge input[type="number"] {
    all: unset;
    display: inline-block;
    box-sizing: border-box;
    background: transparent !important;
    border: none !important;
    border-bottom: 1px solid transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    text-align: right;
    width: 3.5ch !important;
    min-width: 0 !important;
    max-width: 4ch !important;
    transition: border-color 0.2s;
    -moz-appearance: textfield;
    appearance: textfield;
}

.slider-value-badge input[type="number"]:focus {
    border-bottom: 1px solid var(--accent-color);
}

.slider-value-badge input[type="number"]::-webkit-outer-spin-button,
.slider-value-badge input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.exit-fs-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: none;
    padding: 8px;
    z-index: 10000;
    transition: color var(--transition-fast);
}

.exit-fs-btn svg {
    width: 32px;
    height: 32px;
}

.exit-fs-btn:hover {
    color: var(--accent-color-secondary);
}

.game-board:fullscreen .exit-fs-btn {
    display: block;
}

.ios-fullscreen .exit-fs-btn {
    display: block !important;
}

/* ==========================================================================
   RESPONSIVE SPÉCIFIQUE & FALLBACK PLEIN ECRAN
   ========================================================================== */
.game-page .main-content {
    display: flex;
    flex-direction: column;
}

.game-board {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 600px;
    margin-bottom: 0 !important;
}

#game-over-overlay .overlay-content {
    height: auto;
    min-height: 100%;
    padding: 4rem 0;
}

@media (max-width: 900px) {
    .math-container.pc-layout {
        padding: 1rem;
    }

    .timer-display {
        font-size: 2rem;
    }

    .timer-display svg {
        width: 32px;
        height: 32px;
    }

    .status-main-text {
        font-size: 4rem;
    }
}

@media (max-width: 700px) {
    /* --- Ajout : Largeur mobile pour la score box --- */
    .score-box {
        width: 60px;
        font-size: 1rem;
    }

    .res-value.big {
        font-size: 4.5rem;
    }

    .distribution-chart-container {
        height: 140px;
        margin-top: 1.5rem;
        margin-bottom: 2.5rem;
    }

    #restart-btn {
        margin-top: 1rem;
    }

    .sandbox-stats {
        gap: 0.5rem;
        margin: 1.5rem 0 1rem 0;
        flex-direction: column;
        align-items: center;
    }

    .stat-box-small {
        padding: 10px;
        min-width: 100px;
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .status-main-text {
        font-size: 3.5rem;
    }

    .status-sub-text {
        font-size: 0.9rem;
        flex-wrap: wrap;
    }

    .pc-instant-feedback {
        font-size: 3rem;
    }

    body.game-page {
        overscroll-behavior: none;
    }

    #settings-panel {
        touch-action: auto;
        overscroll-behavior: contain;
    }

    .game-page .main-content {
        display: flex !important;
        flex-direction: column !important;
        justify-content: flex-start !important;
        height: auto !important;
        min-height: calc(100svh - 80px) !important;
        padding-top: 80px !important;
        padding-bottom: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .game-board {
        flex: 1 1 100% !important;
        display: flex !important;
        flex-direction: column !important;
        height: auto !important;
        min-height: calc(100svh - 80px) !important;
        max-height: none !important;
        margin: 0 !important;
        border-radius: 0;
    }

    #game-over-overlay {
        overflow-y: auto !important;
    }

    #game-over-overlay .overlay-content {
        height: auto !important;
        min-height: 100% !important;
        padding: 4rem 0 3rem 0 !important;
        justify-content: center !important;
        gap: 2.5rem !important;
    }

    .game-page .game-board:fullscreen .math-container.pc-layout,
    .ios-fullscreen .math-container.pc-layout {
        padding-top: 3rem !important;
        padding-bottom: 2rem !important;
    }

    .input-display {
        font-size: 4rem;
    }

    .round-feedback {
        padding: 20px 30px;
        width: 90%;
    }

    .number-input {
        font-size: 2.2rem;
        padding: 10px 15px;
        max-width: 100%;
    }
}

.game-board:fullscreen {
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
    max-height: none !important;
    border-radius: 0 !important;
    border: none !important;
    background-color: var(--bg-main);
    display: flex !important;
    flex-direction: column !important;
}

.game-board:fullscreen .pc-instant-feedback,
.ios-fullscreen .pc-instant-feedback {
    font-size: 6rem;
}

@media (max-width: 700px) {
    .game-board:fullscreen .pc-instant-feedback,
    .ios-fullscreen .pc-instant-feedback {
        font-size: 4rem;
    }
}

.ios-fullscreen {
    position: fixed !important;
    inset: 0 !important;
    width: 100vw !important;
    height: 100dvh !important;
    max-width: none !important;
    max-height: none !important;
    z-index: 9999 !important;
    border-radius: 0 !important;
    border: none !important;
    background-color: var(--bg-main) !important;
    display: flex !important;
    flex-direction: column !important;
}

.ios-fullscreen .exit-fs-btn {
    display: block !important;
}

.ios-fullscreen ~ * #icon-expand {
    display: none !important;
}

.ios-fullscreen ~ * #icon-compress {
    display: block !important;
}

.new-record,
#new-record-msg {
    color: var(--record-color, #FFA914) !important;
}

.new-record svg {
    color: var(--record-color, #FFA914) !important;
}

select {
    background-color: var(--bg-main);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    cursor: pointer;
    outline: none;
    width: auto;
    min-width: 140px;
    max-width: 200px;
    text-align: center;
    text-align-last: center;
}