.sudokugrid-public {
    max-width: 640px;
    margin: 0 auto;
}

.sudokugrid-public-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
}

.sudokugrid-public-controls select,
.sudokugrid-public-controls button,
.sudokugrid-public-actions button {
    min-height: 42px;
    padding: 8px 12px;
    font: inherit;
}

.sudokugrid-public-status {
    min-height: 24px;
    margin-bottom: 12px;
}

.sudokugrid-public-board {
    display: grid;
    grid-template-columns: repeat(9, 1fr);

    width: min(100%, 540px);
    aspect-ratio: 1 / 1;

    margin: 0 auto;

    border: 3px solid #374151;

    background: #ffffff;
}

.sudokugrid-public-cell {
    box-sizing: border-box !important;

    display: flex !important;
    align-items: center !important;
    justify-content: center !important;

    width: 100% !important;
    height: 100% !important;
    min-width: 0 !important;
    min-height: 0 !important;

    padding: 0 !important;
    margin: 0 !important;

    border: 0 !important;
    border-right: 1px solid #b8bcc4 !important;
    border-bottom: 1px solid #b8bcc4 !important;
    border-radius: 0 !important;

    background: #ffffff !important;
    background-image: none !important;

    color: #1f2937 !important;

    box-shadow: none !important;
    text-shadow: none !important;

    font-family: inherit !important;
    font-size: clamp(20px, 5vw, 34px) !important;
    font-weight: 500 !important;
    line-height: 1 !important;

    cursor: pointer !important;

    appearance: none !important;
    -webkit-appearance: none !important;

    transform: none !important;
}

/*
 * Neutralise les décorations que certains thèmes
 * ajoutent automatiquement aux boutons.
 */

.sudokugrid-public-cell::before,
.sudokugrid-public-cell::after {
    display: none !important;
    content: none !important;
}

/*
 * -------------------------------------------------------------
 * Séparations verticales des blocs 3 × 3
 * -------------------------------------------------------------
 *
 * Colonnes 3 et 6.
 */

.sudokugrid-public-cell:nth-child(9n + 3),
.sudokugrid-public-cell:nth-child(9n + 6) {
    border-right: 3px solid #374151 !important;
}

/*
 * Colonne 9 :
 * la bordure extérieure est déjà portée par le plateau.
 */

.sudokugrid-public-cell:nth-child(9n) {
    border-right: 0 !important;
}

/*
 * -------------------------------------------------------------
 * Séparations horizontales des blocs 3 × 3
 * -------------------------------------------------------------
 *
 * Ligne 3 : cellules 19 à 27.
 * Ligne 6 : cellules 46 à 54.
 */

.sudokugrid-public-cell:nth-child(n + 19):nth-child(-n + 27),
.sudokugrid-public-cell:nth-child(n + 46):nth-child(-n + 54) {
    border-bottom: 3px solid #374151 !important;
}

/*
 * Ligne 9 :
 * la bordure extérieure est déjà portée par le plateau.
 */

.sudokugrid-public-cell:nth-child(n + 73):nth-child(-n + 81) {
    border-bottom: 0 !important;
}

/*
 * -------------------------------------------------------------
 * Chiffres donnés
 * -------------------------------------------------------------
 */

.sudokugrid-public-cell.is-given {
    background: #f3f4f6 !important;
    color: #111827 !important;

    font-weight: 700 !important;

    cursor: default !important;

    opacity: 1 !important;
}

/*
 * -------------------------------------------------------------
 * Case sélectionnée
 * -------------------------------------------------------------
 */

.sudokugrid-public-cell.is-selected {
    background: #dbeafe !important;
    color: #1f2937 !important;

    outline: 2px solid #2563eb !important;
    outline-offset: -2px !important;
}

/*
 * -------------------------------------------------------------
 * Erreur
 * -------------------------------------------------------------
 */

.sudokugrid-public-cell.is-error {
    background: #fee2e2 !important;
    color: #b91c1c !important;
}

/*
 * -------------------------------------------------------------
 * Grille terminée
 * -------------------------------------------------------------
 */

.sudokugrid-public-cell.is-complete {
    background: #ecfdf5 !important;
    color: #065f46 !important;
}

/*
 * -------------------------------------------------------------
 * Zone sous la grille
 * -------------------------------------------------------------
 */

.sudokugrid-public-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    align-items: center;

    margin-top: 16px;
}

.sudokugrid-public-actions label {
    display: flex;
    gap: 8px;
    align-items: center;
}

.sudokugrid-public-keypad {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 6px;

    width: 100%;
    margin-top: 4px;
}

.sudokugrid-public-key {
    min-width: 0;
    min-height: 48px;

    padding: 6px;

    font-size: 20px;
    font-weight: 700;

    cursor: pointer;
}

/* Bloc 3 × 3 sélectionné */
.sudokugrid-public-cell.is-box {
    background: #f3f4f6 !important;
}

/* Ligne sélectionnée */
.sudokugrid-public-cell.is-row {
    background: #e8f1ff !important;
}

/* Colonne sélectionnée */
.sudokugrid-public-cell.is-column {
    background: #e8f8ef !important;
}

/* Même chiffre que la case sélectionnée */
.sudokugrid-public-cell.is-same-number {
    background: #dbeafe !important;
    font-weight: 700 !important;
}

/* Case sélectionnée */
.sudokugrid-public-cell.is-selected {
    background: #bfdbfe !important;
    color: #1f2937 !important;

    outline: 2px solid #2563eb !important;
    outline-offset: -2px !important;
}

.sudokugrid-public-cell.is-same-number {
    background: #dbeafe !important;
    font-weight: 700 !important;
}

.sudokugrid-public-cell.is-selected {
    background: #bfdbfe !important;
    color: #1f2937 !important;

    outline: 2px solid #2563eb !important;
    outline-offset: -2px !important;
}

.sudokugrid-public-cell.is-selected.is-error {
    color: #b91c1c !important;
    background: #fee2e2 !important;

    outline: 2px solid #dc2626 !important;
    outline-offset: -2px !important;
}


/*
 * =============================================================
 * Grille de brouillon
 * =============================================================
 */

.sudokugrid-draft-controls {
    margin-top: 22px;
}

.sudokugrid-draft-toggle,
.sudokugrid-draft-clear {
    min-height: 42px;
    padding: 8px 12px;
    font: inherit;
}

.sudokugrid-draft {
    margin-top: 14px;
}

.sudokugrid-draft[hidden] {
    display: none !important;
}

.sudokugrid-draft-board {
    display: grid;
    grid-template-columns: repeat(9, 1fr);

    width: min(100%, 360px);
    aspect-ratio: 1 / 1;

    margin: 0 auto 14px;

    border: 3px solid #6b7280;

    background: #ffffff;
}

.sudokugrid-draft-cell {
    box-sizing: border-box;

    display: flex;
    align-items: center;
    justify-content: center;

    min-width: 0;
    min-height: 0;

    padding: 0;
    margin: 0;

    border-right: 1px solid #cbd5e1;
    border-bottom: 1px solid #cbd5e1;

    background: #ffffff;
    color: #374151;

    overflow: hidden;
}

/*
 * Séparations verticales 3 × 3
 */

.sudokugrid-draft-cell:nth-child(9n + 3),
.sudokugrid-draft-cell:nth-child(9n + 6) {
    border-right: 3px solid #6b7280;
}

.sudokugrid-draft-cell:nth-child(9n) {
    border-right: 0;
}

/*
 * Séparations horizontales 3 × 3
 */

.sudokugrid-draft-cell:nth-child(n + 19):nth-child(-n + 27),
.sudokugrid-draft-cell:nth-child(n + 46):nth-child(-n + 54) {
    border-bottom: 3px solid #6b7280;
}

.sudokugrid-draft-cell:nth-child(n + 73):nth-child(-n + 81) {
    border-bottom: 0;
}

/*
 * Chiffres donnés
 */

.sudokugrid-draft-cell.is-given {
    background: #f3f4f6;
    color: #374151;

    font-size: clamp(16px, 4vw, 25px);
    font-weight: 700;
}

/*
 * Zone de saisie des notes
 */

.sudokugrid-draft-input {
    box-sizing: border-box !important;

    display: block !important;

    width: 100% !important;
    height: 100% !important;
    min-width: 0 !important;
    min-height: 0 !important;

    padding: 3px !important;
    margin: 0 !important;

    border: 0 !important;
    border-radius: 0 !important;

    background: transparent !important;
    background-image: none !important;

    color: #374151 !important;

    box-shadow: none !important;
    text-shadow: none !important;

    font-family: inherit !important;
    font-size: clamp(10px, 2.5vw, 15px) !important;
    font-weight: 500 !important;
    line-height: 1.1 !important;

    text-align: center !important;

    appearance: none !important;
    -webkit-appearance: none !important;

    outline: 0 !important;
}

.sudokugrid-draft-input:focus {
    background: #eaf3ff !important;

    outline: 2px solid #60a5fa !important;
    outline-offset: -2px !important;
}

/*
 * Bouton sous le brouillon
 */

.sudokugrid-draft-clear {
    display: block;
    margin: 0 auto;
}

/*
 * Mobile
 */

@media (max-width: 600px) {

        .sudokugrid-draft-input {
        font-size: clamp(9px, 3vw, 13px) !important;
    }
}



/*
 * -------------------------------------------------------------
 * Mobile
 * -------------------------------------------------------------
 */

@media (max-width: 600px) {

    .sudokugrid-public-controls {
        align-items: stretch;
    }

    .sudokugrid-public-controls label {
        width: 90%;
    }

    .sudokugrid-public-controls select,
    .sudokugrid-public-controls button {
        flex: 1 1 180px;
    }

    .sudokugrid-public-board {
        width: 100%;
    }

    .sudokugrid-public-cell {
        font-size: clamp(18px, 7vw, 30px) !important;
    }

    .sudokugrid-public-actions {
        align-items: stretch;
    }

    .sudokugrid-public-keypad {
        gap: 4px;
    }

    .sudokugrid-public-key {
        min-height: 40px;
        padding: 0;

        font-size: 18px;
        line-height: 1;

        display: flex;
        align-items: center;
        justify-content: center;

        text-align: center;
        text-indent: 0;

        appearance: none;
        -webkit-appearance: none;
    }
}