/* ========================================================
   AttenDB Module CSS
   변수: --adb-*  |  디자인 시스템 참조: var(--ph-*)
   ======================================================== */

:root {
    --adb-primary: var(--ph-mint, #5CC6C3);
    --adb-primary-hover: var(--ph-mint-light, #7DD4D1);
    --adb-secondary: var(--ph-purple, #8B6FA8);
    --adb-secondary-hover: var(--ph-purple-light, #A080C4);

    --adb-surface: rgba(255, 255, 255, 0.03);
    --adb-surface-2: rgba(255, 255, 255, 0.06);
    --adb-surface-3: rgba(255, 255, 255, 0.09);
    --adb-border: rgba(255, 255, 255, 0.08);
    --adb-border-hover: rgba(255, 255, 255, 0.15);

    --adb-text: #ffffff;
    --adb-text-muted: rgba(255, 255, 255, 0.5);
    --adb-text-subtle: rgba(255, 255, 255, 0.35);

    --adb-success: #10b981;
    --adb-warning: #f59e0b;
    --adb-danger: #ef4444;

    --adb-radius: 8px;
    --adb-radius-lg: 12px;
    --adb-transition: 0.2s ease;
}

/* ── Utility ─────────────────────────────────────────── */
.adb-hidden { display: none !important; }

.adb-text-muted { color: var(--adb-text-muted); font-size: 0.85rem; }
.adb-text-warning { color: var(--adb-warning); font-size: 0.85rem; }

/* ── Main Layout ─────────────────────────────────────── */
.adb-main {
    max-width: 100%;
    padding: 0 1rem 2rem;
}

.adb-top-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
}

/* ── Permission Gate ─────────────────────────────────── */
.adb-permission-gate {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 40vh;
    text-align: center;
    padding: 2rem;
}

.adb-permission-icon { font-size: 3rem; margin-bottom: 1rem; }
.adb-permission-title { color: var(--adb-text); font-size: 1.5rem; margin: 0 0 0.5rem; }
.adb-permission-desc { color: var(--adb-text-muted); line-height: 1.6; margin: 0 0 1.5rem; }

.adb-permission-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, var(--adb-primary), var(--adb-secondary));
    color: #fff;
    border-radius: var(--adb-radius);
    text-decoration: none;
    font-weight: 600;
    transition: opacity var(--adb-transition);
}
.adb-permission-btn:hover { opacity: 0.9; }

/* ── Loading Spinner ─────────────────────────────────── */
.adb-loading-spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--adb-border);
    border-top-color: var(--adb-primary);
    border-radius: 50%;
    animation: adb-spin 0.8s linear infinite;
    margin: 2rem auto;
}
@keyframes adb-spin { to { transform: rotate(360deg); } }

/* ── Project Selector ────────────────────────────────── */
.adb-project-selector {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.adb-project-label {
    color: var(--adb-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}
.adb-project-select {
    background: #1a1a2e;
    color: var(--adb-text);
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    min-width: 200px;
    cursor: pointer;
}
.adb-project-select option {
    background: #1a1a2e;
    color: var(--adb-text);
}
.adb-project-select:focus {
    outline: none;
    border-color: var(--adb-primary);
}

/* ── Category Tabs ───────────────────────────────────── */
.adb-category-tabs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--adb-border);
    margin-bottom: 0;
}
.adb-tabs-scroll {
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    flex: 1;
    scrollbar-width: thin;
}
.adb-tab {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--adb-text-muted);
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.85rem;
    white-space: nowrap;
    transition: all var(--adb-transition);
}
.adb-tab:hover {
    color: var(--adb-text);
    background: var(--adb-surface);
}
.adb-tab--active {
    color: var(--adb-primary);
    border-bottom-color: var(--adb-primary);
    font-weight: 600;
}
.adb-tab-protocol-dot {
    width: 6px; height: 6px;
    background: var(--adb-secondary);
    border-radius: 50%;
}
.adb-tab-settings {
    background: var(--adb-surface);
    color: var(--adb-text-muted);
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    padding: 0.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.adb-tab-settings:hover {
    color: var(--adb-text);
    border-color: var(--adb-border-hover);
}

/* ── Category Selector Modal ─────────────────────────── */
.adb-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1rem 0;
}
.adb-category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 1.5rem 1rem;
    background: var(--adb-surface-2);
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius-lg);
    cursor: pointer;
    transition: all var(--adb-transition);
    color: var(--adb-text);
}
.adb-category-card:hover {
    border-color: var(--adb-primary);
    background: var(--adb-surface-3);
    transform: translateY(-2px);
}
.adb-category-card-name { font-weight: 600; font-size: 0.95rem; }
.adb-category-card-en { color: var(--adb-text-muted); font-size: 0.8rem; }
.adb-category-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: var(--adb-secondary);
    color: #fff;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

/* ── Toolbar ─────────────────────────────────────────── */
.adb-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    flex-wrap: wrap;
}
.adb-toolbar-left, .adb-toolbar-right { display: flex; align-items: center; gap: 0.5rem; }
.adb-toolbar-center { flex: 1; text-align: center; }
.adb-toolbar-count { color: var(--adb-text-muted); font-size: 0.85rem; }

.adb-toolbar-btn {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.85rem;
    background: var(--adb-surface-2);
    color: var(--adb-text-muted);
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    cursor: pointer;
    font-size: 0.8rem;
    transition: all var(--adb-transition);
}
.adb-toolbar-btn:hover {
    color: var(--adb-text);
    border-color: var(--adb-border-hover);
    background: var(--adb-surface-3);
}
.adb-toolbar-btn--primary {
    background: linear-gradient(135deg, var(--adb-primary), var(--adb-secondary));
    color: #fff;
    border-color: transparent;
}
.adb-toolbar-btn--primary:hover {
    opacity: 0.9;
    border-color: transparent;
}
.adb-toolbar-btn--danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--adb-danger);
    border-color: rgba(239, 68, 68, 0.3);
}
.adb-toolbar-btn--danger:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.5);
}

.adb-search-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.adb-search-icon {
    position: absolute;
    left: 0.6rem;
    color: var(--adb-text-subtle);
    pointer-events: none;
}
.adb-search-input {
    padding: 0.45rem 0.75rem 0.45rem 2rem;
    background: var(--adb-surface);
    color: var(--adb-text);
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    font-size: 0.85rem;
    width: 180px;
    transition: border-color var(--adb-transition);
}
.adb-search-input:focus {
    outline: none;
    border-color: var(--adb-primary);
    width: 240px;
}

/* ── Spreadsheet ─────────────────────────────────────── */
.adb-spreadsheet-container {
    overflow-x: auto;
    padding-bottom: 2rem;
}
.adb-spreadsheet-wrapper {
    min-width: 100%;
}
.adb-spreadsheet {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.8rem;
}

/* Group header row */
.adb-group-header-row th {
    background: var(--adb-surface-3);
    color: var(--adb-text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.4rem 0.5rem;
    border-bottom: 1px solid var(--adb-border);
    border-left: 2px solid rgba(255,255,255,0.15);
    text-align: left;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 10;
}
.adb-group-header-row th:first-child { border-left: none; }
.adb-group-toggle {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.adb-group-arrow { font-size: 0.65rem; }

/* Column header row */
.adb-column-header-row th {
    background: var(--adb-surface-2);
    color: var(--adb-text);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.4rem 0.5rem;
    border-bottom: 2px solid var(--adb-border);
    text-align: left;
    white-space: nowrap;
    position: sticky;
    top: 28px;
    z-index: 9;
}

/* 그룹 첫 번째 컬럼 구분선 */
.adb-group-first {
    border-left: 2px solid rgba(255,255,255,0.15) !important;
}
.adb-required-mark { color: var(--adb-danger); margin-left: 2px; }

/* Row checkbox */
.adb-row-checkbox-header {
    width: 32px;
    min-width: 32px;
    text-align: center;
    padding: 0.3rem;
}
.adb-row-checkbox-cell {
    width: 32px;
    min-width: 32px;
    text-align: center;
    padding: 0.3rem;
    border-bottom: 1px solid var(--adb-border);
}
.adb-row-checkbox, .adb-checkbox-all {
    cursor: pointer;
    accent-color: var(--adb-primary);
    width: 15px;
    height: 15px;
}
.adb-row--checked {
    background: rgba(92, 198, 195, 0.06) !important;
}

.adb-row-num-header, .adb-action-header {
    width: 40px;
    min-width: 40px;
    text-align: center;
}
.adb-action-header:last-child {
    width: 120px;
    min-width: 120px;
}

/* Data rows */
.adb-row {
    transition: background var(--adb-transition);
}
.adb-row:hover { background: var(--adb-surface); }
.adb-row--selected { background: var(--adb-surface-2) !important; }
.adb-row--duplicate { background: rgba(239, 68, 68, 0.05); }

.adb-row-num {
    text-align: center;
    color: var(--adb-text-subtle);
    font-size: 0.7rem;
    padding: 0.25rem;
    border-bottom: 1px solid var(--adb-border);
    width: 40px;
}

/* Cells */
.adb-cell {
    padding: 0;
    border-bottom: 1px solid var(--adb-border);
    border-right: 1px solid rgba(255,255,255,0.03);
    vertical-align: middle;
}
.adb-cell--disabled {
    background: rgba(255,255,255,0.02);
    opacity: 0.4;
}
.adb-cell--required-empty {
    background: rgba(239, 68, 68, 0.05);
}
.adb-cell-collapsed {
    text-align: center;
    color: var(--adb-text-subtle);
    font-size: 0.7rem;
    cursor: pointer;
}

.adb-cell-content {
    display: flex;
    align-items: center;
    min-height: 32px;
}
td[data-col-type="button"] .adb-cell-content {
    justify-content: center;
}

/* Cell Inputs */
.adb-cell-input {
    width: 100%;
    padding: 0.3rem 0.4rem;
    background: transparent;
    color: var(--adb-text);
    border: 1px solid transparent;
    border-radius: 2px;
    font-size: 0.8rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--adb-transition);
}
.adb-cell-input:focus {
    border-color: var(--adb-primary);
    background: var(--adb-surface);
}
.adb-cell-input:disabled {
    color: var(--adb-text-subtle);
    cursor: not-allowed;
}
.adb-cell-input::placeholder {
    color: var(--adb-text-subtle);
    font-size: 0.75rem;
}

.adb-cell-select {
    width: 100%;
    padding: 0.3rem 0.2rem;
    background: transparent;
    color: var(--adb-text);
    border: 1px solid transparent;
    border-radius: 2px;
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
    outline: none;
}
.adb-cell-select:focus { border-color: var(--adb-primary); }
.adb-cell-select option { background: #1a1a2e; color: var(--adb-text); }
.adb-cell-select:disabled { cursor: not-allowed; opacity: 0.5; }

.adb-cell-checkbox-wrap { display: flex; justify-content: center; }
.adb-cell-checkbox { cursor: pointer; accent-color: var(--adb-primary); }

.adb-cell-date, .adb-cell-datetime {
    color-scheme: dark;
}

.adb-cell-computed {
    padding: 0.3rem 0.4rem;
    color: var(--adb-text-muted);
    font-style: italic;
    font-size: 0.8rem;
}

/* Cell Button (커뮤니케이션, 첨부, 세션) */
.adb-cell-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.3rem 0.65rem;
    background: linear-gradient(135deg, rgba(92,198,195,0.12), rgba(139,111,168,0.12));
    color: var(--adb-primary);
    border: 1px solid rgba(92,198,195,0.25);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all var(--adb-transition);
    margin: 0 auto;
}
.adb-cell-button:hover {
    color: #fff;
    border-color: var(--adb-primary);
    background: linear-gradient(135deg, rgba(92,198,195,0.25), rgba(139,111,168,0.25));
    box-shadow: 0 0 8px rgba(92,198,195,0.2);
}
.adb-cell-button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    box-shadow: none;
}

/* Action cells */
.adb-action-cell {
    padding: 0.2rem;
    border-bottom: 1px solid var(--adb-border);
    text-align: center;
}
.adb-action-btns {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    justify-content: center;
}
.adb-action-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0.2rem 0.35rem;
    border-radius: 4px;
    transition: background var(--adb-transition);
    line-height: 1;
}
.adb-action-btn:hover { background: var(--adb-surface-2); }
.adb-action-btn--danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.3rem 0.55rem;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 6px;
    color: var(--adb-danger);
    font-size: 0.7rem;
    transition: all var(--adb-transition);
}
.adb-action-btn--danger:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.15);
}

.adb-file-count {
    font-size: 0.6rem;
    background: var(--adb-primary);
    color: #fff;
    border-radius: 999px;
    padding: 0 0.3rem;
    margin-left: 1px;
    vertical-align: super;
}

/* Duplicate Badge */
.adb-duplicate-badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    background: var(--adb-danger);
    color: #fff;
    border-radius: 999px;
    font-size: 0.6rem;
    font-weight: 700;
}

/* Empty State */
.adb-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--adb-text-muted);
}
.adb-empty-hint {
    font-size: 0.85rem;
    color: var(--adb-text-subtle);
    margin-top: 0.5rem;
}

/* ── Modals ──────────────────────────────────────────── */
.adb-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: adb-fadeIn 0.15s ease;
}
@keyframes adb-fadeIn { from { opacity: 0; } to { opacity: 1; } }

.adb-modal {
    background: #1a1a2e;
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius-lg);
    max-width: 600px;
    width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.adb-import-modal, .adb-comm-modal, .adb-column-editor-modal, .adb-session-modal {
    max-width: 700px;
}

.adb-modal-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--adb-border);
}
.adb-modal-header h3 {
    margin: 0;
    color: var(--adb-text);
    font-size: 1.1rem;
    flex: 1;
}
.adb-modal-subtitle {
    color: var(--adb-text-muted);
    font-size: 0.85rem;
}
.adb-modal-close {
    background: none;
    border: none;
    color: var(--adb-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}
.adb-modal-close:hover { color: var(--adb-text); }

.adb-modal-body {
    padding: 1.5rem;
}

/* ── Form Elements ───────────────────────────────────── */
.adb-form-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    align-items: center;
}

.adb-input, .adb-select, .adb-textarea {
    background: var(--adb-surface-2);
    color: var(--adb-text);
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    font-family: inherit;
    flex: 1;
}
.adb-input:focus, .adb-select:focus, .adb-textarea:focus {
    outline: none;
    border-color: var(--adb-primary);
}
.adb-input--small { max-width: 80px; flex: none; text-align: center; }
.adb-input-suffix { color: var(--adb-text-muted); font-size: 0.8rem; flex: none; }

.adb-textarea {
    resize: vertical;
    min-height: 80px;
    width: 100%;
    margin-bottom: 0.75rem;
}

.adb-select option { background: #1a1a2e; }

.adb-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--adb-text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    white-space: nowrap;
}

.adb-btn {
    padding: 0.5rem 1.25rem;
    background: var(--adb-surface-2);
    color: var(--adb-text);
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all var(--adb-transition);
}
.adb-btn:hover { border-color: var(--adb-border-hover); }
.adb-btn--primary {
    background: linear-gradient(135deg, var(--adb-primary), var(--adb-secondary));
    color: #fff;
    border: none;
    font-weight: 600;
}
.adb-btn--primary:hover { opacity: 0.9; }
.adb-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.adb-link-btn {
    background: none;
    border: none;
    color: var(--adb-primary);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0.2rem 0;
    text-decoration: underline;
}
.adb-link-btn:hover { color: var(--adb-primary-hover); }

/* ── Category Editor ─────────────────────────────────── */
.adb-cat-list {
    margin-bottom: 1.5rem;
}
.adb-cat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    margin-bottom: 0.4rem;
    transition: background var(--adb-transition);
}
.adb-cat-item:hover { background: var(--adb-surface); }
.adb-cat-item-info { display: flex; align-items: center; gap: 0.5rem; }
.adb-cat-item-name { color: var(--adb-text); font-weight: 500; }
.adb-cat-item-en { color: var(--adb-text-muted); font-size: 0.8rem; }
.adb-cat-default-badge {
    font-size: 0.65rem;
    padding: 0.1rem 0.35rem;
    background: var(--adb-surface-3);
    color: var(--adb-text-muted);
    border-radius: 4px;
}

.adb-cat-add-form h4, .adb-col-add-form h4 {
    color: var(--adb-text);
    font-size: 0.9rem;
    margin: 0 0 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--adb-border);
}

/* ── Group Manager ──────────────────────────────────── */
.adb-group-manager {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--adb-border);
}

.adb-group-manager-title {
    color: var(--adb-text);
    font-size: 0.9rem;
    margin: 0 0 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.adb-group-manager-hint {
    font-size: 0.72rem;
    color: var(--adb-text-subtle);
    font-weight: 400;
}

.adb-group-drag-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 0.5rem;
    min-height: 24px;
}

.adb-group-drag-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--adb-border);
    background: var(--adb-surface);
    cursor: grab;
    transition: background var(--adb-transition), border-color var(--adb-transition);
    font-size: 0.85rem;
}

.adb-group-drag-item:hover {
    background: var(--adb-surface-2);
    border-color: var(--adb-border-hover);
}

.adb-group-drag-item.adb-dragging {
    opacity: 0.3;
}

.adb-group-drag-label {
    flex: 1;
    color: var(--adb-text);
    font-weight: 500;
}

.adb-group-drag-cols {
    font-size: 0.72rem;
    color: var(--adb-text-subtle);
}

.adb-group-remove-btn {
    background: none;
    border: none;
    color: var(--adb-text-subtle);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
    border-radius: 3px;
    transition: color var(--adb-transition), background var(--adb-transition);
}

.adb-group-remove-btn:hover {
    color: var(--adb-danger);
    background: rgba(239, 68, 68, 0.1);
}

.adb-group-add-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.adb-select--small {
    font-size: 0.8rem;
    padding: 0.3rem 0.5rem;
}

/* ── Column Editor (Drag & Drop) ────────────────────── */
.adb-col-group-section { margin-bottom: 1rem; }
.adb-col-group-title {
    color: var(--adb-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.adb-col-group-count {
    font-size: 0.7rem;
    color: var(--adb-text-subtle);
}

.adb-col-drop-zone {
    min-height: 32px;
    padding: 0.25rem 0;
    border: 2px dashed transparent;
    border-radius: var(--adb-radius);
    transition: all var(--adb-transition);
}
.adb-col-drop-zone.adb-drop-zone--active {
    border-color: var(--adb-primary);
    background: rgba(92, 198, 195, 0.05);
}

.adb-col-drag-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.5rem;
    border-radius: 4px;
    transition: background var(--adb-transition), opacity var(--adb-transition);
    cursor: grab;
    border: 1px solid transparent;
}
.adb-col-drag-item:hover {
    background: var(--adb-surface);
    border-color: var(--adb-border);
}
.adb-col-drag-item.adb-dragging {
    opacity: 0.3;
}
.adb-col-drag-item--required {
    border-left: 2px solid var(--adb-danger);
}

.adb-drag-handle {
    color: var(--adb-text-subtle);
    font-size: 1rem;
    cursor: grab;
    user-select: none;
    line-height: 1;
    flex-shrink: 0;
}
.adb-drag-handle:active { cursor: grabbing; }

.adb-col-item-label { flex: 1; color: var(--adb-text); font-size: 0.85rem; }
.adb-col-item-type { color: var(--adb-text-subtle); font-size: 0.75rem; flex-shrink: 0; }

.adb-col-delete-btn {
    flex-shrink: 0;
    opacity: 0;
    transition: opacity var(--adb-transition);
}
.adb-col-drag-item:hover .adb-col-delete-btn { opacity: 1; }

.adb-drop-indicator {
    height: 2px;
    background: var(--adb-primary);
    border-radius: 2px;
    margin: 2px 0;
}

.adb-drop-placeholder {
    color: var(--adb-text-subtle);
    font-size: 0.8rem;
    text-align: center;
    padding: 0.75rem;
    font-style: italic;
}

/* ── Import Modal ────────────────────────────────────── */
.adb-import-dropzone, .adb-file-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 3rem 2rem;
    border: 2px dashed var(--adb-border);
    border-radius: var(--adb-radius-lg);
    color: var(--adb-text-muted);
    cursor: pointer;
    transition: all var(--adb-transition);
    text-align: center;
}
.adb-import-dropzone:hover, .adb-file-dropzone:hover,
.adb-dropzone--active {
    border-color: var(--adb-primary);
    background: var(--adb-surface);
}
.adb-import-hint, .adb-file-hint { font-size: 0.8rem; color: var(--adb-text-subtle); }

.adb-import-info-row {
    display: flex;
    gap: 1.5rem;
    padding: 0.75rem;
    background: var(--adb-surface);
    border-radius: var(--adb-radius);
    margin-bottom: 1rem;
    color: var(--adb-text-muted);
    font-size: 0.85rem;
}
.adb-import-info-row strong { color: var(--adb-text); }

/* Import row range selector */
.adb-import-row-range {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    background: var(--adb-surface);
    border-radius: var(--adb-radius);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.adb-import-range-label {
    color: var(--adb-text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}
.adb-import-range-inputs {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.adb-import-range-sep {
    color: var(--adb-text-subtle);
    font-size: 0.8rem;
}
.adb-import-range-info {
    color: var(--adb-primary);
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: auto;
}
.adb-btn--small {
    padding: 0.3rem 0.65rem;
    font-size: 0.75rem;
}
.adb-preview-row-num {
    text-align: center;
    color: var(--adb-text-subtle);
    font-size: 0.7rem;
    width: 30px;
}

.adb-import-match-header {
    display: grid;
    grid-template-columns: 1fr 30px 1fr;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--adb-text-subtle);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border-bottom: 1px solid var(--adb-border);
}

.adb-import-match-list {
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.adb-import-match-row {
    display: grid;
    grid-template-columns: 1fr 30px 1fr;
    gap: 0.5rem;
    align-items: center;
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.adb-import-excel-col {
    color: var(--adb-text);
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.adb-import-excel-col-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.adb-import-excel-sample {
    font-size: 0.72rem;
    color: var(--adb-text-subtle);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}
.adb-import-arrow { text-align: center; color: var(--adb-text-subtle); }
.adb-import-col-select {
    background: var(--adb-surface-2);
    color: var(--adb-text);
    border: 1px solid var(--adb-border);
    border-radius: 4px;
    padding: 0.3rem 0.4rem;
    font-size: 0.8rem;
}
.adb-import-col-select option { background: #1a1a2e; }

.adb-import-preview-table-wrap { overflow-x: auto; margin-top: 0.5rem; }
.adb-import-preview-table {
    font-size: 0.75rem;
    border-collapse: collapse;
    width: 100%;
}
.adb-import-preview-table th, .adb-import-preview-table td {
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--adb-border);
    white-space: nowrap;
}
.adb-import-preview-table th {
    background: var(--adb-surface-2);
    color: var(--adb-text-muted);
}

.adb-import-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
}

.adb-import-success, .adb-import-error {
    text-align: center;
    padding: 2rem 1rem;
}
.adb-import-success-icon {
    width: 48px; height: 48px;
    background: var(--adb-success);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

/* ── Communication Modal ─────────────────────────────── */
.adb-comm-list { margin-bottom: 1.5rem; max-height: 300px; overflow-y: auto; }

.adb-comm-item {
    padding: 0.75rem;
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    margin-bottom: 0.5rem;
}
.adb-comm-item-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
}
.adb-comm-date { color: var(--adb-text); font-size: 0.85rem; font-weight: 500; }
.adb-comm-channel {
    padding: 0.1rem 0.4rem;
    background: var(--adb-surface-2);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--adb-primary);
}
.adb-comm-preview { color: var(--adb-text-muted); font-size: 0.8rem; line-height: 1.4; }

.adb-comm-form h4 {
    color: var(--adb-text);
    font-size: 0.9rem;
    margin: 0 0 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--adb-border);
}

/* ── Session Modal ───────────────────────────────────── */
.adb-session-list { margin-bottom: 1.5rem; max-height: 400px; overflow-y: auto; }

.adb-session-item {
    padding: 0.75rem;
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    margin-bottom: 0.5rem;
}
.adb-session-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.35rem;
}
.adb-session-name { color: var(--adb-text); font-size: 0.9rem; font-weight: 600; }
.adb-session-item-dates {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--adb-text-muted);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}
.adb-session-date-sep { color: var(--adb-text-subtle); }
.adb-session-files { margin-bottom: 0.35rem; }
.adb-session-file-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.2rem 0;
    font-size: 0.8rem;
}
.adb-session-file-link { color: var(--adb-primary); text-decoration: none; }
.adb-session-file-link:hover { text-decoration: underline; }
.adb-session-upload {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
}
.adb-session-upload-btn { cursor: pointer; }

.adb-session-form h4 {
    color: var(--adb-text);
    font-size: 0.9rem;
    margin: 0 0 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--adb-border);
}
.adb-form-label {
    color: var(--adb-text-muted);
    font-size: 0.8rem;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ── File Attachment Modal ───────────────────────────── */
.adb-file-list { margin-bottom: 1rem; }
.adb-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    margin-bottom: 0.35rem;
}
.adb-file-item-info { display: flex; align-items: center; gap: 0.75rem; }
.adb-file-name { color: var(--adb-text); font-size: 0.85rem; }
.adb-file-size { color: var(--adb-text-subtle); font-size: 0.75rem; }
.adb-file-item-actions { display: flex; gap: 0.25rem; }
.adb-file-dropzone { padding: 2rem; }

/* ── Toast ───────────────────────────────────────────── */
.adb-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 0.75rem 1.5rem;
    background: #1a1a2e;
    color: var(--adb-text);
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius);
    font-size: 0.85rem;
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}
.adb-toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.adb-toast--error { border-color: var(--adb-danger); }
.adb-toast--success { border-color: var(--adb-success); }

/* ── Photo Cell ──────────────────────────────────────── */
.adb-photo-header {
    text-align: center;
    font-size: 0.7rem;
    color: var(--adb-text-muted);
    min-width: 52px !important;
    width: 52px;
}

.adb-photo-cell {
    padding: 2px !important;
    width: 52px;
    min-width: 52px;
    text-align: center;
    vertical-align: middle;
}

.adb-photo-dropzone {
    position: relative;
    width: 40px;
    height: 40px;
    margin: 0 auto;
    border: 2px dashed var(--adb-border);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--adb-transition), background var(--adb-transition);
    overflow: hidden;
    background: var(--adb-surface);
}

.adb-photo-dropzone:hover {
    border-color: var(--adb-primary);
    background: rgba(92, 198, 195, 0.08);
}

.adb-photo-dropzone--active {
    border-color: var(--adb-primary);
    background: rgba(92, 198, 195, 0.15);
    border-style: solid;
}

.adb-photo-placeholder {
    color: var(--adb-text-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--adb-transition);
}

.adb-photo-dropzone:hover .adb-photo-placeholder {
    color: var(--adb-primary);
}

.adb-photo-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.adb-photo-thumb--uploading {
    opacity: 0.5;
    animation: adb-photo-pulse 1s ease-in-out infinite;
}

@keyframes adb-photo-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.adb-photo-dropzone--has-photo {
    border-style: solid;
    border-color: transparent;
}
.adb-photo-dropzone--has-photo:hover {
    border-color: var(--adb-primary);
}

/* ── Photo Modal ─────────────────────────────────────── */
.adb-photo-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1rem;
}

.adb-photo-modal {
    background: #1a1a2e;
    border: 1px solid var(--adb-border);
    border-radius: var(--adb-radius-lg);
    max-width: 480px;
    width: 100%;
    overflow: hidden;
}

.adb-photo-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--adb-border);
}

.adb-photo-modal-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--adb-text);
}

.adb-photo-modal-close {
    background: none;
    border: none;
    color: var(--adb-text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}
.adb-photo-modal-close:hover {
    color: var(--adb-text);
}

.adb-photo-modal-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.3);
}

.adb-photo-modal-img {
    max-width: 100%;
    max-height: 360px;
    border-radius: 8px;
    object-fit: contain;
}

.adb-photo-modal-actions {
    padding: 1rem;
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
}

.adb-photo-replace-zone {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 0.75rem;
    border: 2px dashed var(--adb-border);
    border-radius: var(--adb-radius);
    cursor: pointer;
    transition: border-color var(--adb-transition), background var(--adb-transition);
    color: var(--adb-text-muted);
    font-size: 0.82rem;
    font-weight: 500;
}

.adb-photo-replace-zone:hover,
.adb-photo-replace-zone--active {
    border-color: var(--adb-primary);
    background: rgba(92, 198, 195, 0.08);
    color: var(--adb-primary);
}

.adb-photo-replace-zone--active {
    border-style: solid;
    background: rgba(92, 198, 195, 0.15);
}

.adb-photo-replace-hint {
    font-size: 0.7rem;
    color: var(--adb-text-subtle);
    font-weight: 400;
}

.adb-photo-delete-btn {
    white-space: nowrap;
    align-self: center;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
    .adb-toolbar { flex-direction: column; align-items: stretch; }
    .adb-toolbar-center { text-align: left; }
    .adb-search-input { width: 100%; }
    .adb-search-input:focus { width: 100%; }
    .adb-import-match-row { grid-template-columns: 1fr; gap: 0.25rem; }
    .adb-import-arrow { display: none; }
}