/* ==========================================================================
   Photo Manager - Complete Optimized Styles (RTL + Dark Mode + A11y)
   ========================================================================== */

:root {
    color-scheme: light;
    --pm-bg: #ffffff;
    --pm-bg-light: #f8f9fa;
    --pm-text: #212529;
    --pm-text-muted: #6c757d;
    --pm-border: #dee2e6;
    --pm-hover-bg: #e9ecef;
    --pm-primary: #0d6efd;
    --pm-primary-bg: rgba(13, 110, 253, 0.1);
    --pm-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

body.dark, [data-theme="dark"] {
    color-scheme: dark;
    --pm-bg: #1e293b;
    --pm-bg-light: #0f172a;
    --pm-text: #e2e8f0;
    --pm-text-muted: #94a3b8;
    --pm-border: #334155;
    --pm-hover-bg: #334155;
    --pm-primary: #3b82f6;
    --pm-primary-bg: rgba(59, 130, 246, 0.15);
    --pm-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Modal Base Overrides */
#pm-modal .modal-content {
    background-color: var(--pm-bg);
    color: var(--pm-text);
    border: 1px solid var(--pm-border);
}

#pm-modal .modal-header {
    border-bottom: 1px solid var(--pm-border);
    background-color: var(--pm-bg-light);
    color: var(--pm-text);
}

#pm-modal .modal-footer {
    border-top: 1px solid var(--pm-border);
    background-color: var(--pm-bg-light);
}

/* Sidebar & Layout */
#pm-modal .pm-sidebar {
    background-color: var(--pm-bg-light);
    border-inline-end: 1px solid var(--pm-border);
}

#pm-modal .pm-input {
    background-color: var(--pm-bg);
    color: var(--pm-text);
    border-color: var(--pm-border);
}

    #pm-modal .pm-input:focus {
        background-color: var(--pm-bg);
        color: var(--pm-text);
        border-color: var(--pm-primary);
        box-shadow: 0 0 0 0.2rem var(--pm-primary-bg);
    }

/* Folder Items */
#pm-modal .pm-folder-item {
    background-color: var(--pm-bg);
    border: 1px solid var(--pm-border);
    color: var(--pm-text);
    transition: all 0.15s ease;
    cursor: pointer;
}

    #pm-modal .pm-folder-item:hover {
        background-color: var(--pm-hover-bg);
    }

    #pm-modal .pm-folder-item.active {
        background-color: var(--pm-primary-bg);
        color: var(--pm-primary);
        border-color: var(--pm-primary);
    }

        #pm-modal .pm-folder-item.active .pm-text-muted {
            color: var(--pm-primary) !important;
            opacity: 0.8;
        }

    #pm-modal .pm-folder-item:focus-visible,
    #pm-modal .pm-file-card:focus-visible {
        outline: 2px solid var(--pm-primary);
        outline-offset: 2px;
        z-index: 1;
    }

#pm-modal .pm-folder-info {
    min-width: 0;
    flex: 1;
}

#pm-modal .pm-del-folder {
    color: inherit;
    opacity: 0.6;
    transition: opacity 0.15s;
}

    #pm-modal .pm-del-folder:hover {
        opacity: 1;
        color: #dc3545;
    }

/* Main Area & Toolbar */
#pm-modal .pm-toolbar {
    background-color: var(--pm-bg);
    border-bottom: 1px solid var(--pm-border);
}

#pm-modal .pm-text-muted {
    color: var(--pm-text-muted) !important;
}

/* Grid & Files */
#pm-modal .pm-files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    padding: 12px;
    flex-grow: 1;
    overflow-y: auto;
    transition: background-color 0.2s, border 0.2s;
}

    #pm-modal .pm-files-grid.pm-drag-over-valid {
        background-color: rgba(13, 110, 253, 0.1);
        border: 2px dashed var(--pm-primary);
        border-radius: 8px;
    }

    #pm-modal .pm-files-grid.pm-drag-over-invalid {
        background-color: rgba(220, 53, 69, 0.1);
        border: 2px dashed #dc3545;
        border-radius: 8px;
    }

/* File Cards */
#pm-modal .pm-file-card {
    background-color: var(--pm-bg);
    border: 1px solid var(--pm-border);
    border-radius: 6px;
    padding: 8px;
    text-align: center;
    transition: all 0.15s ease;
    cursor: pointer;
}

    #pm-modal .pm-file-card:hover {
        border-color: var(--pm-primary);
        transform: translateY(-2px);
        box-shadow: var(--pm-shadow);
    }

    #pm-modal .pm-file-card.active {
        border-color: var(--pm-primary);
        border-width: 2px;
        background-color: var(--pm-primary-bg);
        padding: 7px;
    }

#pm-modal .pm-file-thumb {
    height: 100px;
    overflow: hidden;
    background-color: var(--pm-bg-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

#pm-modal .pm-file-thumb-img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
}

#pm-modal .pm-file-thumb-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--pm-bg-light);
    border-radius: 4px;
    font-size: 2rem;
    color: var(--pm-text-muted);
}

#pm-modal .pm-file-name {
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 8px;
    padding: 0 4px;
    color: var(--pm-text);
}

#pm-modal .pm-file-size {
    font-size: 0.7rem;
    color: var(--pm-text-muted);
    margin-top: 2px;
}

/* Empty & Loading States */
#pm-modal .pm-empty-state,
#pm-modal .pm-error-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--pm-text-muted);
}

#pm-modal .pm-empty-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

/* Skeleton Loading Animation */
#pm-modal .pm-skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    padding: 12px;
    width: 100%;
}

#pm-modal .pm-skeleton-card {
    height: 160px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--pm-bg-light) 25%, var(--pm-hover-bg) 50%, var(--pm-bg-light) 75%);
    background-size: 200% 100%;
    animation: pm-skeleton-loading 1.5s infinite ease-in-out;
}

@keyframes pm-skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Preview & Progress */
#pm-modal .pm-preview-img {
    max-height: 50px;
    border-radius: 4px;
    border: 1px solid var(--pm-border);
    background-color: var(--pm-bg);
}

#pm-modal .pm-preview-name {
    max-width: 200px;
}

#pm-modal .pm-progress {
    background-color: var(--pm-bg-light);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
}

#pm-modal .pm-storage-progress-bar {
    width: 0%;
    transition: width 0.5s ease;
}

/* ==========================================================================
   ✅ Custom Confirm Modal - داخل مودال (نه کل صفحه)
   ========================================================================== */
.pm-confirm-overlay {
    /* ✅ اصلاح: position:absolute به جای fixed تا داخل مودال بماند */
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    /* ✅ z-index کوچک کافی است چون داخل stacking context مودال قرار دارد */
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: auto;
    /* همخوانی با گوشه‌های گرد modal-content */
    border-radius: calc(0.5rem - 1px);
    overflow: hidden;
}

    .pm-confirm-overlay.show {
        opacity: 1;
    }

.pm-confirm-box {
    background-color: var(--pm-bg);
    color: var(--pm-text);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--pm-shadow);
    max-width: 400px;
    width: 90%;
    text-align: center;
    transform: scale(0.95);
    transition: transform 0.2s ease;
    border: 1px solid var(--pm-border);
    pointer-events: auto;
}

.pm-confirm-overlay.show .pm-confirm-box {
    transform: scale(1);
}

.pm-confirm-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.pm-confirm-message {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
    white-space: pre-line;
}

.pm-confirm-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

[dir="rtl"] .pm-confirm-actions {
    flex-direction: row-reverse;
}

/* اسکرول‌بار سفارشی (Webkit) */
#pm-modal .pm-files-grid::-webkit-scrollbar,
#pm-modal .pm-sidebar::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

#pm-modal .pm-files-grid::-webkit-scrollbar-track,
#pm-modal .pm-sidebar::-webkit-scrollbar-track {
    background: var(--pm-bg-light);
    border-radius: 4px;
}

#pm-modal .pm-files-grid::-webkit-scrollbar-thumb,
#pm-modal .pm-sidebar::-webkit-scrollbar-thumb {
    background: var(--pm-border);
    border-radius: 4px;
}

    #pm-modal .pm-files-grid::-webkit-scrollbar-thumb:hover,
    #pm-modal .pm-sidebar::-webkit-scrollbar-thumb:hover {
        background: var(--pm-text-muted);
    }

/* RTL Specific Adjustments */
[dir="rtl"] #pm-modal .pm-sidebar {
    border-inline-end: none;
    border-inline-start: 1px solid var(--pm-border);
}

[dir="rtl"] #pm-modal .pm-del-folder {
    margin-inline-start: 0.25rem;
    margin-inline-end: 0;
}

[dir="rtl"] #pm-modal .ms-auto {
    margin-right: auto !important;
    margin-left: 0 !important;
}

[dir="rtl"] #pm-modal .me-auto {
    margin-left: auto !important;
    margin-right: 0 !important;
}

/* Responsive */
@media (max-width: 768px) {
    #pm-modal .modal-dialog {
        max-width: 100%;
        margin: 0;
        height: 100vh;
    }

    #pm-modal .modal-body {
        height: calc(100vh - 120px) !important;
    }

    #pm-modal .pm-sidebar {
        width: 180px !important;
        min-width: 180px !important;
    }

    #pm-modal .pm-preview-name {
        max-width: 120px;
    }
}