/* ==========================================================================
   JEU SUDOKU (STYLES SPÉCIFIQUES)
   ========================================================================== */

/* ==========================================================================
   1. INTERFACE GLOBALE
   ========================================================================== */
.game-interface {
    position: absolute; inset: 0; z-index: 2;
    width: 100%; height: 100%; 
    padding: 1.5rem; 
    box-sizing: border-box; 
    flex: 1; /* Force l'étirement */
    display: flex; flex-direction: column; 
    justify-content: flex-start; align-items: center;
    transition: opacity 0.3s ease;
    opacity: 0; pointer-events: none;
}

.game-interface.visible { opacity: 1; pointer-events: all; }
.game-interface.hidden { display: none; }

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

.game-header > *, .game-actions-row > *, .settings-btn, .icon-btn, .score-box { 
    pointer-events: auto; 
}

/* ==========================================================================
   2. LA GRILLE SUDOKU
   ========================================================================== */

.grid-wrapper {
    flex: 1; 
    width: 100%; 
    display: flex; align-items: center; justify-content: center;
    position: relative;
    overflow: hidden; 
    min-height: 0;
    padding: 10px 0;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.sudoku-grid {
    display: grid; 
    margin: auto; 
    aspect-ratio: 1 / 1;
    height: 100%;
    width: auto;
    max-width: 100%;
    max-height: 100%;
    background: var(--border-color);
    gap: 1px;
    border: 2px solid var(--border-color);
    transition: all 0.2s ease;
}

/* --- PLEIN ÉCRAN PC --- */
.game-board:fullscreen .grid-wrapper {
    height: 100vh;
    width: 100vw;
    padding: 2vh;
}
.game-board:fullscreen .sudoku-grid {
    max-height: 90vh;
    max-width: 90vh; 
}

/* Retrait de la transition sur le blur pour instantanéité */
.blurred { filter: blur(15px); opacity: 0.3; pointer-events: none; transition: none; }

/* Status Prêt */
#status-overlay {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    cursor: pointer;
}
#status-overlay.hidden { display: none !important; opacity: 0; }

.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; }

/* --- CONFIGURATION DES COLONNES & POLICES --- */
.sudoku-grid[data-size="9"] {
    grid-template-columns: repeat(9, 1fr);
    grid-template-rows: repeat(9, 1fr);
}
.sudoku-grid[data-size="9"] .sudoku-tile { font-size: clamp(1rem, 4cqmin, 2rem); }

.sudoku-grid[data-size="16"] {
    grid-template-columns: repeat(16, 1fr);
    grid-template-rows: repeat(16, 1fr);
}
.sudoku-grid[data-size="16"] .sudoku-tile { font-size: clamp(0.7rem, 2.5cqmin, 1.2rem); }

.sudoku-grid[data-size="25"] {
    grid-template-columns: repeat(25, 1fr);
    grid-template-rows: repeat(25, 1fr);
}
.sudoku-grid[data-size="25"] .sudoku-tile { font-size: clamp(0.5rem, 1.8cqmin, 0.9rem); padding: 0; letter-spacing: -1px; }


/* ==========================================================================
   3. LES TUILES (CASES)
   ========================================================================== */

.sudoku-tile {
    background-color: var(--bg-main); 
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-heading); font-weight: 500;
    color: var(--text-primary);
    cursor: pointer; user-select: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* --- CURSEUR FIXE --- */
.tile-selected::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 0 2px var(--accent-color);
    pointer-events: none;
    z-index: 10;
}

/* --- SURBRILLANCE DES CHIFFRES IDENTIQUES --- */
.tile-highlight::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 0 2px var(--accent-color); 
    pointer-events: none;
    z-index: 10;
    transition: box-shadow 0.1s ease;
}

/* --- BORDURES DES BLOCS --- */
/* 9x9 */
.sudoku-grid[data-size="9"] .sudoku-tile:nth-child(3n) { border-right: 2px solid var(--border-color); }
.sudoku-grid[data-size="9"] .sudoku-tile:nth-child(9n) { border-right: none; }

/* 16x16 */
.sudoku-grid[data-size="16"] .sudoku-tile:nth-child(4n) { border-right: 2px solid var(--border-color); }
.sudoku-grid[data-size="16"] .sudoku-tile:nth-child(16n) { border-right: none; }

/* 25x25 */
.sudoku-grid[data-size="25"] .sudoku-tile:nth-child(5n) { border-right: 2px solid var(--border-color); }
.sudoku-grid[data-size="25"] .sudoku-tile:nth-child(25n) { border-right: none; }

.tile-border-bottom { border-bottom: 2px solid var(--border-color) !important; }

/* --- ÉTATS DES CASES --- */
.tile-fixed { 
    font-weight: 700; 
    color: var(--text-primary); 
    background-color: var(--bg-main) !important;
}

.tile-user { color: var(--accent-color); }

.tile-temp { 
    color: var(--text-secondary); 
    font-style: italic;
}

.tile-selected {
    background-color: var(--accent-glow) !important;
}

.tile-error {
    background-color: color-mix(in srgb, var(--accent-color-secondary), transparent 80%) !important;
    color: var(--accent-color-secondary) !important;
    animation: shake 0.4s ease-in-out;
}

@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }

/* SUPPRESSION DU CURSEUR NATIF (SÉCURITÉ CSS) */
#hidden-numpad {
    caret-color: transparent !important;
    color: transparent !important;
    background: transparent !important;
    outline: none !important;
    border: none !important;
    box-shadow: none !important;
}

/* ==========================================================================
   4. HEADER & ACTIONS
   ========================================================================== */

.timer-box { 
    min-width: 110px;
    justify-content: center;
}

.timer-display {
    font-family: 'Rubik', sans-serif;
    font-size: 1.8rem; font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 1px;
    font-variant-numeric: tabular-nums; 
}

.score-box { flex-direction: column; }

#game-timer { 
    line-height: 1; 
    font-variant-numeric: tabular-nums; 
    font-feature-settings: "tnum"; 
}

.lives-display {
    display: flex; align-items: flex-start; justify-content: center;
    gap: 8px; height: 100%; padding-top: 5px;
}

.lives-display span {
    font-size: 3.5rem; font-weight: 600; line-height: 1;
    color: var(--text-primary);
}

#lives-container {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* NOUVEAU STYLE CŒURS AVEC DÉGRADÉ SVG ET OMBRE PORTÉE */
.heart-icon {
    height: 5.5vh; 
    width: auto;
    min-height: 40px; 
    max-height: 55px;
    overflow: visible !important;
    transition: all 0.3s;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3)); /* L'ombre portée */
}
/* Gestion du cœur vide quand on perd une vie */
.heart-icon.heart-lost .heart-bg {
    fill: var(--border-color) !important; /* Rétablit la marque sombre */
}

.heart-icon.heart-lost .heart-overlay {
    fill: transparent !important; /* Enlève le dégradé brillant */
}

.heart-icon.heart-lost {
    opacity: 0.5; 
    transform: scale(0.9);
    filter: none; /* Enlève l'ombre quand la vie est perdue */
}

.game-actions-row { 
    margin-top: auto; 
    margin-bottom: 0; 
    transition: none; 
    width: 100%;
}

.input-select, 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;
}
select:focus, .input-select:focus { border-color: var(--accent-color); box-shadow: 0 0 0 2px var(--accent-glow); }

/* FIX : Forcer l'annulation des transitions globales sur les icônes des boutons */
.icon-btn, .settings-btn, .icon-btn svg, .settings-btn svg, .back-btn, .back-btn svg {
    transition: none !important; animation: none !important;
}

/* ==========================================================================
   5. UI RESULTATS ET PARAMETRES (RANKED / SANDBOX)
   ========================================================================== */

.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%); }

.results-view { width: 100%; display: flex; flex-direction: column; align-items: center; }
.results-view.hidden { display: none !important; }

/* Réduction du gap pour mieux répartir les espaces équivalents */
#game-over-overlay .overlay-content { justify-content: center; gap: 1.5rem; }

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

/* L'écart parfait : Même marge (1.5rem) au-dessus de Succès (depuis le haut via gap ou position absolue du parent) 
   et en dessous de Succès avant la taille du texte */
.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; }
#results-ranked .res-value.big, #results-sandbox .res-value.big { font-size: 5.5rem; font-weight: 700; line-height: 1; font-family: var(--font-heading); }
.score-unit { font-size: 1.4rem; color: var(--accent-color); margin-left: 8px; font-family: var(--font-heading); font-weight: 500; }

.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; }
.axis-label { position: absolute; bottom: -25px; font-family: var(--font-body); font-size: 0.8rem; color: var(--text-secondary); transition: opacity 0.3s ease; }
.axis-label.left { left: 0; }
.axis-label.right { right: 0; }

.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); }

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


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

/* Bouton pour quitter le plein écran (Uniquement dans l'overlay de fin) */
.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; }

/* ==========================================================================
   6. RESPONSIVE (L'AJUSTEMENT MOBILE GLOBAL & ETIREMENT)
   ========================================================================== */

/* Sur bureau, le jeu prend tout l'espace et supprime le padding du bas */
.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; 
}

/* L'overlay de fin de partie doit pouvoir scroller s'il manque de place */
#game-over-overlay { overflow-y: auto; }
#game-over-overlay .overlay-content {
    height: auto;
    min-height: 100%;
    padding: 4rem 0; 
}

@media (max-width: 600px) {
    .game-interface { padding-bottom: 3rem; }
    .timer-display { font-size: 1.4rem; }
    .score-box { min-width: 70px; }
    .status-main-text { font-size: 4rem; }
    .status-sub-text { font-size: 0.9rem; flex-wrap: wrap; }
    #results-ranked .res-value.big, #results-sandbox .res-value.big { font-size: 4.5rem; }
    .distribution-chart-container { height: 140px; margin-top: 1.5rem; margin-bottom: 2.5rem; }
    .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; }
    #restart-btn { margin-top: 1rem; }

    /* On libère un maximum de largeur en mobile */
    .game-interface {
        padding: 0.5rem;
    }

    body.game-page { overscroll-behavior: none; }
    #settings-panel { touch-action: auto; overscroll-behavior: contain; }

    /* FIX 1 : Main Content aligné en HAUT */
    .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;
    }

    /* FIX 2 : Plateau remplit tout jusqu'au footer */
    .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;              
    }

    /* FIX 3 : Overlay de fin avec padding réel (Scroll possible si petit écran) */
    #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;
    }

    /* FIX 4 : Cacher le footer pendant l'ouverture du clavier natif */
    body.game-page:has(.game-board:focus-within) footer,
    body.game-page:has(.game-board:focus-within) #footer-placeholder {
        display: none !important;
    }

    /* FIX 5 : Gestion de la zone pendant le clavier */
    .game-board:focus-within {
        flex: 1 1 100% !important; 
        height: auto !important;       
        min-height: 250px !important; 
        max-height: none !important;
    }

    .game-board:focus-within .grid-wrapper {
        overflow-y: auto !important;
        align-items: flex-start !important;
    }
    .game-board:focus-within .sudoku-grid {
        width: 100% !important;
        height: auto !important;
        max-height: none !important;
        aspect-ratio: 1 / 1 !important;
    }

    /* Ajustement du padding quand on passe en plein écran */
    .game-page .game-board:fullscreen .game-interface,
    .ios-fullscreen .game-interface {
        padding-top: 1.5rem !important; 
        padding-bottom: 1rem !important;
    }

    /* NEUTRALISATION DU GROSSISSEMENT PLEIN ÉCRAN (MOBILE) */
    .game-board:fullscreen .grid-wrapper {
        width: 100% !important;
        height: auto !important;
        max-width: 100% !important;
        max-height: 100% !important;
        padding: 10px 0 !important;
    }
}

/* ==========================================================================
   7. FALLBACK PLEIN ECRAN (BULLDOZER)
   ========================================================================== */

/* Fullscreen Natif PC : Fixe les bases */
.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;
}

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

/* ==========================================================================
   AFFICHAGE DU NOUVEAU RECORD
   ========================================================================== */
.new-record, 
#new-record-msg {
    color: var(--record-color, #FFA914) !important;
}

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