/**
 * BLIND TRAINING MODAL & BOARD MASKS
 * Ajedrez de Silicio
 */

.blind-training-overlay {
    position: fixed;
    inset: 0;
    display: none;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.55);
    z-index: 11000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.blind-training-overlay.active {
    display: flex;
    opacity: 1;
}

.blind-training-modal {
    position: relative;
    width: min(480px, 92vw);
    border-radius: 18px;
    padding: 32px 36px 28px;
    background: var(--theme-modal-bg);
    border: 1px solid var(--theme-border);
    box-shadow:
        0 30px 60px var(--theme-shadow),
        0 0 0 1px var(--theme-shadow-glow);
    display: flex;
    flex-direction: column;
    gap: 22px;
    transition: all var(--transition-theme);
}

.blind-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid var(--theme-border);
    background: var(--theme-input-bg);
    color: var(--theme-accent-primary);
    font-size: 22px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-theme);
    opacity: 0.9;
}

.blind-close:hover {
    background: var(--theme-bg-tertiary);
    color: var(--theme-accent-primary);
    transform: scale(1.05);
    opacity: 1;
}

.blind-modal-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: 18px;
}

.blind-title {
    font-size: 22px;
    color: var(--theme-accent-primary);
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    transition: color var(--transition-theme);
}

.blind-subtitle {
    font-size: 14px;
    color: var(--theme-text-secondary);
    letter-spacing: 0.3px;
    transition: color var(--transition-theme);
    opacity: 0.75;
}

.blind-modal-body {
    display: grid;
    gap: 14px;
}

.blind-option {
    display: flex;
    flex-direction: column;
    gap: 6px;
    border-radius: 16px;
    padding: 18px;
    border: 1px solid var(--theme-border);
    background: var(--theme-input-bg);
    color: var(--theme-text-secondary);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-theme);
}

.blind-option:hover {
    transform: translateY(-2px);
    border-color: var(--theme-accent-primary);
    box-shadow: 0 6px 24px var(--theme-shadow-glow);
}

.blind-option .blind-icon {
    font-size: 28px;
}

.blind-option-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--theme-accent-primary);
    letter-spacing: 0.5px;
    transition: color var(--transition-theme);
}

.blind-option-description {
    font-size: 13px;
    color: var(--theme-text-secondary);
    line-height: 1.4;
    transition: color var(--transition-theme);
    opacity: 0.7;
}

.blind-modal-footer {
    display: flex;
    justify-content: center;
}

.blind-cancel {
    border: 1px solid var(--theme-border);
    border-radius: 12px;
    padding: 10px 26px;
    font-size: 14px;
    font-weight: 600;
    color: var(--theme-text-secondary);
    background: var(--theme-button-bg);
    cursor: pointer;
    transition: all var(--transition-theme);
    font-family: var(--font-main);
    opacity: 0.85;
}

.blind-cancel:hover {
    background: var(--theme-bg-tertiary);
    color: var(--theme-accent-primary);
    transform: translateY(-1px);
    opacity: 1;
}

/* ===== BOARD MASKS ===== */
body.blind-elite silicio-board-surface piece {
    opacity: 0 !important;
}

body.blind-elite .silicio-board-host piece.dragging,
body.blind-elite .silicio-board-host piece.ghost {
    opacity: 0 !important;
}

body.blind-advanced .board silicio-board-surface square.move-dest,
body.blind-elite .board silicio-board-surface square.move-dest,
body.blind-advanced .board silicio-board-surface square.move-dest.-premove,
body.blind-elite .board silicio-board-surface square.move-dest.-premove,
body.blind-advanced .board silicio-board-surface square.premove-dest,
body.blind-elite .board silicio-board-surface square.premove-dest {
    background: none !important;
    box-shadow: none !important;
}

body.blind-advanced .board silicio-board-surface square.selected,
body.blind-elite .board silicio-board-surface square.selected {
    background-color: transparent !important;
    box-shadow: none !important;
}

/* ===== ÚLTIMA JUGADA EN LA COMPOSICIÓN MÓVIL ===== */
.blind-last-move-status {
    display: none;
}

@media (max-width: 768px),
       (min-width: 769px) and (max-width: 1024px) and (orientation: portrait) {
    body.blind-advanced:not([data-tablet-fix]) .chess-container,
    body.blind-elite:not([data-tablet-fix]) .chess-container {
        /* La franja vive en este espacio y nunca cubre una casilla. */
        padding-bottom: 74px !important;
    }

    body.blind-advanced:not([data-tablet-fix]) .blind-last-move-status:not([hidden]),
    body.blind-elite:not([data-tablet-fix]) .blind-last-move-status:not([hidden]) {
        position: absolute;
        z-index: 80;
        left: 50%;
        bottom: -54px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 7px;
        width: max-content;
        max-width: calc(100% - 28px);
        min-height: 38px;
        padding: 7px 11px;
        box-sizing: border-box;
        border: 1px solid var(--theme-border, rgba(212, 175, 55, 0.42));
        border-radius: 999px;
        background: rgba(11, 16, 24, 0.96);
        background: color-mix(in srgb, var(--theme-bg-secondary, #0b1018) 94%, transparent);
        color: var(--theme-text-primary, #f8fafc);
        box-shadow:
            0 7px 20px var(--theme-shadow, rgba(0, 0, 0, 0.42)),
            0 0 0 1px var(--theme-shadow-glow, rgba(212, 175, 55, 0.08));
        font-family: var(--font-main, 'Poppins', sans-serif);
        line-height: 1;
        pointer-events: none;
        transform: translateX(-50%);
        -webkit-user-select: none;
        user-select: none;
    }

    body.blind-advanced:not([data-tablet-fix]) .chess-container.blind-last-move-layout--with-clocks,
    body.blind-elite:not([data-tablet-fix]) .chess-container.blind-last-move-layout--with-clocks {
        /* Los relojes ya reservan una franja inferior: no agregamos otra fila. */
        padding-bottom: 32px !important;
    }

    body.blind-advanced:not([data-tablet-fix]) .blind-last-move-status--with-clocks:not([hidden]),
    body.blind-elite:not([data-tablet-fix]) .blind-last-move-status--with-clocks:not([hidden]) {
        right: calc(clamp(126px, 36vw, 156px) + 12px);
        left: auto;
        bottom: 19px;
        max-width: calc(100% - clamp(126px, 36vw, 156px) - 12px);
        min-height: 34px;
        padding: 6px 9px;
        gap: 6px;
        transform: none;
    }

    .blind-last-move-status--with-clocks .blind-last-move-status__label-detail,
    .blind-last-move-status--with-clocks .blind-last-move-status__side {
        display: none !important;
    }

    .blind-last-move-status--with-clocks .blind-last-move-status__value {
        font-size: 14px;
    }

    .blind-last-move-status__indicator {
        width: 7px;
        height: 7px;
        flex: 0 0 7px;
        border-radius: 50%;
        background: var(--theme-accent-primary, #d4af37);
        box-shadow: 0 0 9px var(--theme-shadow-glow, rgba(212, 175, 55, 0.55));
    }

    .blind-last-move-status__label {
        color: var(--theme-text-secondary, #cbd5e1);
        font-size: 10px;
        font-weight: 600;
        letter-spacing: 0.055em;
        text-transform: uppercase;
        white-space: nowrap;
    }

    .blind-last-move-status__value {
        overflow: hidden;
        color: var(--theme-accent-primary, #d4af37);
        font-size: 15px;
        font-weight: 700;
        letter-spacing: 0.02em;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .blind-last-move-status__side:not([hidden]) {
        display: inline-flex;
        align-items: center;
        min-height: 20px;
        padding: 3px 7px;
        border: 1px solid var(--theme-border, rgba(255, 255, 255, 0.12));
        border-radius: 999px;
        background: var(--theme-button-bg, rgba(255, 255, 255, 0.06));
        color: var(--theme-text-secondary, #cbd5e1);
        font-size: 9px;
        font-weight: 600;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        white-space: nowrap;
    }

    .blind-last-move-status.is-updating {
        animation: blind-last-move-arrive 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
    }

    .blind-last-move-status--with-clocks.is-updating {
        animation-name: blind-last-move-arrive-inline;
    }
}

@keyframes blind-last-move-arrive {
    0% {
        opacity: 0.42;
        transform: translateX(-50%) translateY(4px) scale(0.98);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
    }
}

@keyframes blind-last-move-arrive-inline {
    0% {
        opacity: 0.42;
        transform: translateY(4px) scale(0.98);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* En anchos extremos priorizamos legibilidad y volvemos a la fila centrada. */
@media (max-width: 350px) {
    body.blind-advanced:not([data-tablet-fix]) .chess-container.blind-last-move-layout--with-clocks,
    body.blind-elite:not([data-tablet-fix]) .chess-container.blind-last-move-layout--with-clocks {
        padding-bottom: 74px !important;
    }

    body.blind-advanced:not([data-tablet-fix]) .blind-last-move-status--with-clocks:not([hidden]),
    body.blind-elite:not([data-tablet-fix]) .blind-last-move-status--with-clocks:not([hidden]) {
        right: auto;
        left: 50%;
        bottom: -54px;
        max-width: calc(100% - 20px);
        transform: translateX(-50%);
    }

    .blind-last-move-status--with-clocks.is-updating {
        animation-name: blind-last-move-arrive;
    }
}

@media (prefers-reduced-motion: reduce) {
    .blind-last-move-status.is-updating {
        animation: none !important;
    }
}

@media (max-width: 640px) {
    .blind-training-modal {
        width: min(420px, 96vw);
        padding: 32px 24px 24px;
    }

    .blind-option {
        padding: 16px;
    }

    .blind-option .blind-icon {
        font-size: 24px;
    }

    .blind-close {
        top: 16px;
        right: 16px;
    }
}

/* ===== MÓVILES HORIZONTALES ===== */
@media (max-width: 768px) and (orientation: landscape) {
    .blind-training-modal {
        width: min(320px, 90vw) !important;
        padding: 20px 24px 18px !important;
        gap: 16px !important;
        max-height: 85vh !important;
        overflow-y: auto !important;
    }    .blind-close {
        top: 12px !important;
        right: 12px !important;
        width: 28px !important;
        height: 28px !important;
        font-size: 18px !important;
    }

    .blind-modal-header {
        padding-top: 12px !important;
        gap: 4px !important;
    }

    .blind-title {
        font-size: 18px !important;
    }

    .blind-subtitle {
        font-size: 12px !important;
    }

    .blind-modal-body {
        gap: 10px !important;
    }

    .blind-option {
        padding: 14px !important;
        gap: 5px !important;
    }    .blind-option .blind-icon {
        font-size: 22px !important;
    }

    .blind-option-title {
        font-size: 14px !important;
    }    .blind-option-description {
        font-size: 11px !important;
    }

    .blind-cancel {
        padding: 8px 20px !important;
        font-size: 12px !important;
    }
}/* ===== PANTALLAS 32:9 (ULTRA-WIDE HORIZONTALES) ===== */
@media (min-width: 1500px) and (max-height: 600px) and (orientation: landscape) {
    .blind-training-overlay {
        padding: 8px !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .blind-training-modal {
        width: min(450px, 90vw) !important;
        max-height: calc(100vh - 16px) !important;
        max-width: calc(100vw - 16px) !important;
        padding: 24px 28px 20px !important;
        gap: 16px !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
    }

    .blind-close {
        top: 12px !important;
        right: 12px !important;
        width: 32px !important;
        height: 32px !important;
        font-size: 20px !important;
    }
}