/* ═══════════════════════════════════════════════════════════════
   DIALOG — Digital Rust
   Modal overlays, settings, tabs, autocomplete
   ═══════════════════════════════════════════════════════════════ */

/* Prevent body scroll when dialog is active */
body:has([class*="-dialog"].active) { overflow: hidden; }

/* Common dialog overlay */
.new-document-dialog,
.move-document-dialog,
.confirmation-dialog,
.message-dialog,
.user-confirmation-dialog,
.file-upload-dialog,
.version-history-dialog,
.settings-dialog,
.add-column-dialog,
.add-link-dialog,
.access-rule-dialog {
    display: flex;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--dr-overlay);
    /* No blur — Digital Rust flat aesthetic. No gradients, no blur, no transparency
       (noise texture is the sole exception). */
    z-index: var(--dr-z-modal);
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s, visibility 0.3s;
}

.new-document-dialog.active,
.move-document-dialog.active,
.confirmation-dialog.active,
.message-dialog.active,
.user-confirmation-dialog.active,
.file-upload-dialog.active,
.version-history-dialog.active,
.settings-dialog.active,
.add-column-dialog.active,
.add-link-dialog.active,
.access-rule-dialog.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Dialog container — DR card style */
.login-container,
.dialog-container {
    background: var(--dr-surface-secondary);
    border: var(--dr-border);
    border-radius: var(--dr-radius-lg);
    padding: 0;
    box-shadow: var(--dr-shadow-offset-lg),
                var(--dr-shadow-inner-highlight);
    max-width: 400px;
    position: relative;
    display: flex;
    flex-direction: column;
    max-height: 85vh;
    overflow: hidden;
}

/* Scanlines on dialog for atmosphere */
.dialog-container::before,
.login-container::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        var(--dr-scanline) 2px,
        var(--dr-scanline) 4px
    );
    pointer-events: none;
    z-index: 0;
    border-radius: inherit;
}

.dialog-container > *, .login-container > * { position: relative; z-index: 1; }

.dialog-title {
    margin: 0;
    padding: var(--dr-space-lg) var(--dr-space-lg) var(--dr-space-md) var(--dr-space-lg);
    color: var(--dr-text-primary);
    font-family: var(--dr-font-heading);
    font-variation-settings: "slnt" 0;
    font-size: var(--dr-text-xl);
    flex-shrink: 0;
    transition: box-shadow var(--dr-transition-fast);
}

/* Scroll shadows */
.dialog-container.scrolled .dialog-title,
.login-container.scrolled .login-title {
    box-shadow: var(--dr-shadow-offset-sm);
    z-index: 10;
    position: relative;
}

.dialog-container:has(.settings-tabs).scrolled .dialog-title,
.dialog-container:has(.file-upload-tabs).scrolled .dialog-title {
    box-shadow: none;
}

.settings-tabs, .file-upload-tabs { transition: box-shadow var(--dr-transition-fast); }

.dialog-container.scrolled .settings-tabs,
.dialog-container.scrolled .file-upload-tabs {
    box-shadow: var(--dr-shadow-offset-sm);
    z-index: 10;
    position: relative;
}

/* Scrollable content areas */
.dialog-container > form,
.dialog-container > .tab-content,
.dialog-container > .dialog-message,
.dialog-container > .message-content,
.dialog-container > .confirm-content,
.dialog-container > .dialog-message,
.dialog-container > .import-management,
.dialog-container > .version-list-container,
.dialog-container > .access-rule-form,
.dialog-container > .new-document-form,
.dialog-container > .settings-form,
.login-container > .login-form {
    padding: var(--dr-space-xs) var(--dr-space-lg) var(--dr-space-lg) var(--dr-space-lg);
    overflow-y: auto;
    flex: 1;
    width: 100%;
    box-sizing: border-box;
}

.dialog-container > .dialog-warning {
    padding: 0 var(--dr-space-lg) var(--dr-space-sm) var(--dr-space-lg);
    width: 100%;
    box-sizing: border-box;
    flex-shrink: 0;
}

.dialog-container > .form-actions {
    padding: 0 var(--dr-space-lg) var(--dr-space-lg) var(--dr-space-lg);
    width: 100%;
    box-sizing: border-box;
    flex-shrink: 0;
    margin-top: 0;
}

/* Close button */
.close-dialog {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: 2px solid transparent;
    color: var(--dr-text-secondary);
    cursor: pointer;
    padding: 5px;
    border-radius: var(--dr-radius);
    transition: all var(--dr-transition-fast);
    z-index: 20;
}

.close-dialog:hover {
    color: var(--dr-accent);
    background-color: var(--dr-surface-highlight);
    border-color: var(--dr-dark-packet);
}

/* Error message */
.error-message {
    color: var(--dr-amber-alert);
    text-align: center;
    margin: 0 var(--dr-space-lg) var(--dr-space-sm) var(--dr-space-lg);
    font-size: var(--dr-text-sm);
    display: none;
    padding: 8px;
    border-radius: var(--dr-radius);
    background-color: rgba(191, 87, 71, 0.1);
    border: 1px solid rgba(191, 87, 71, 0.3);
    flex-shrink: 0;
}

.error-message[style*="display: block"] { display: block !important; }

/* Note box */
.note-box {
    background-color: var(--dr-surface-elevated);
    border: 1px solid var(--dr-dark-packet);
    border-top: 2px solid var(--dr-accent);
    padding: var(--dr-space-md);
    margin: var(--dr-space-md) 0;
    border-radius: var(--dr-radius);
    font-size: var(--dr-text-sm);
    color: var(--dr-text-primary);
    line-height: 1.4;
}

.note-box i { color: var(--dr-accent); margin-right: 8px; }

/* Confirmation dialog */
.confirmation-dialog .dialog-message { margin-bottom: 10px; }

.confirmation-dialog .dialog-warning {
    margin: 0 24px 20px 24px;
    width: auto;
    color: var(--dr-amber-alert);
    font-weight: var(--dr-font-weight);
    padding: 8px;
    border-radius: var(--dr-radius);
    background-color: rgba(191, 87, 71, 0.1);
    border: 1px solid rgba(191, 87, 71, 0.3);
}

.message-dialog, .user-confirmation-dialog { z-index: 2500; }

/* Login */
.login-title {
    text-align: center;
    margin: 0;
    padding: var(--dr-space-lg) var(--dr-space-lg) var(--dr-space-md) var(--dr-space-lg);
    color: var(--dr-text-primary);
    font-family: var(--dr-font-heading);
    font-variation-settings: "slnt" 0;
    flex-shrink: 0;
    font-size: var(--dr-text-xl);
}

.login-form { display: flex; flex-direction: column; gap: var(--dr-space-sm); }

.login-button, .login-submit-button {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: var(--dr-radius);
    cursor: pointer;
    font-size: var(--dr-text-base);
    font-family: var(--dr-font-heading);
    font-weight: var(--dr-font-weight);
}

/* ─── Settings Dialog ───────────────────────────────────────── */

.settings-dialog .dialog-container { width: 800px; max-width: 90%; }
.new-document-dialog .dialog-container { width: 600px; max-width: 90%; }

/* Tabs */
.settings-tabs, .file-upload-tabs {
    display: flex;
    margin: 0 24px;
    border-bottom: var(--dr-border);
    flex-shrink: 0;
}

.tab-button {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--dr-text-tertiary);
    cursor: pointer;
    font-size: var(--dr-text-base);
    font-family: var(--dr-font-heading);
    font-variation-settings: "slnt" 0;
    font-weight: var(--dr-font-weight-light);
    transition: color var(--dr-transition-fast), border-color var(--dr-transition-fast);
}

.tab-button:hover { color: var(--dr-text-primary); }

.tab-button.active {
    color: var(--dr-accent);
    border-bottom: 2px solid var(--dr-accent);
}

.tab-content { width: 100%; box-sizing: border-box; }
.tab-pane { display: none; width: 100%; }
.tab-pane.active { display: block; }

/* ─── Autocomplete ─────────────────────────────────────────────── */

.path-autocomplete {
    position: absolute;
    z-index: 3000;
    max-height: 200px;
    overflow-y: auto;
    background: var(--dr-surface-secondary);
    border: var(--dr-border);
    border-radius: var(--dr-radius);
    box-shadow: var(--dr-shadow-offset-md);
    display: none;
    width: 100%;
    box-sizing: border-box;
}

.path-autocomplete-item {
    padding: var(--dr-space-sm) var(--dr-space-md);
    cursor: pointer;
    border-bottom: var(--dr-border-subtle);
    color: var(--dr-text-primary);
    font-size: var(--dr-text-sm);
    transition: background-color var(--dr-transition-fast);
}

.path-autocomplete-item:last-child { border-bottom: none; }

.path-autocomplete-item:hover,
.path-autocomplete-item.selected {
    background-color: var(--dr-surface-highlight);
}

.path-autocomplete-item strong { color: var(--dr-accent); }

/* ─── Add Link Dialog ─────────────────────────────────────────── */

.add-link-dialog .category-input-wrapper { position: relative; }

.add-link-dialog .category-selector {
    width: 100%;
    padding: 12px;
    border: var(--dr-border);
    border-radius: var(--dr-radius);
    background-color: var(--dr-surface-base);
    color: var(--dr-text-primary);
    font-size: var(--dr-text-sm);
    transition: border-color var(--dr-transition-fast);
}

.add-link-dialog .category-selector:focus {
    outline: none;
    border-color: var(--dr-accent);
}

.add-link-dialog .new-category-wrapper { margin-top: 8px; }

.add-link-dialog .new-category-wrapper input {
    width: 100%;
    padding: 12px;
    border: var(--dr-border);
    border-radius: var(--dr-radius);
    background-color: var(--dr-surface-base);
    color: var(--dr-text-primary);
    font-size: var(--dr-text-sm);
}

.add-link-dialog .new-category-wrapper input:focus {
    outline: none;
    border-color: var(--dr-accent);
}

.add-link-dialog textarea { resize: vertical; min-height: 80px; font-family: inherit; }

.add-link-dialog .fetch-details-btn {
    padding: 4px 8px;
    font-size: var(--dr-text-xs);
    border: 1px solid var(--dr-dark-packet);
    background-color: var(--dr-surface-elevated);
    color: var(--dr-text-primary);
    border-radius: var(--dr-radius-sm);
    cursor: pointer;
    transition: background-color var(--dr-transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
}

.add-link-dialog .fetch-details-btn:hover { background-color: var(--dr-surface-highlight); }
.add-link-dialog .fetch-details-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Import functionality */
.import-management { padding: 1rem 0; }
.import-description { margin-bottom: 1.5rem; line-height: 1.5; }
.import-form { margin-bottom: 1.5rem; }
.import-progress-container { margin: 1.5rem 0; }

.progress-bar-container {
    width: 100%; height: 20px;
    background-color: var(--dr-surface-elevated);
    border-radius: var(--dr-radius);
    border: 1px solid var(--dr-dark-packet);
    overflow: hidden; margin-bottom: 0.5rem;
}

.progress-bar {
    height: 100%;
    background-color: var(--dr-accent);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-status {
    display: flex; justify-content: space-between;
    font-size: var(--dr-text-sm);
    color: var(--dr-text-tertiary);
}

.import-results {
    margin: 1.5rem 0; padding: 1rem;
    background-color: var(--dr-surface-elevated);
    border-radius: var(--dr-radius);
    border: var(--dr-border);
}

.import-results h4 {
    margin-top: 0; margin-bottom: 1rem;
    color: var(--dr-text-primary);
}

.import-results-content { max-height: 300px; overflow-y: auto; }
.imported-files-list, .import-errors-list { margin: 0.5rem 0; padding-left: 1.5rem; list-style-type: none; }
.imported-files-list li, .import-errors-list li { margin-bottom: 0.5rem; word-break: break-word; }
.import-errors-list li { color: var(--dr-amber-alert); }
.import-summary { margin-top: 1rem; font-weight: bold; color: var(--dr-text-primary); }
.imported-files-list a {
    color: var(--dr-accent);
    text-decoration: underline;
    text-decoration-color: var(--dr-phantom-current);
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}
.imported-files-list a:hover { text-decoration-thickness: 2px; }

/* Mobile tabs */
@media (max-width: 950px) {
    .settings-tabs, .file-upload-tabs {
        overflow-x: auto; overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--dr-dark-packet) transparent;
    }
    .settings-tabs::-webkit-scrollbar, .file-upload-tabs::-webkit-scrollbar { height: 4px; }
    .settings-tabs::-webkit-scrollbar-thumb, .file-upload-tabs::-webkit-scrollbar-thumb {
        background: var(--dr-dark-packet);
        border-radius: 2px;
    }
    .tab-button { white-space: nowrap; flex-shrink: 0; padding: 10px 15px; font-size: var(--dr-text-sm); }
}