:root {
    --bg-primary: #f8fafc;
    --bg-card: #ffffff;
    --bg-secondary: #f1f5f9;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    
    --emerald: #10b981;
    --emerald-light: #ecfdf5;
    --amber: #f59e0b;
    --amber-light: #fffbeb;
    --rose: #ef4444;
    --rose-light: #fef2f2;
    --indigo: #6366f1;
    --indigo-light: #eef2ff;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --font-sans: 'Plus Jakarta Sans', 'Sarabun', 'Leelawadee UI', 'Segoe UI', Tahoma, -apple-system, sans-serif;
    --font-mono: 'Fira Code', 'Consolas', 'Courier New', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body.light-theme {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.app-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--indigo));
    color: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.brand-info h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.brand-info .sub-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.drive-filter-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-light);
    border: 1px solid rgba(37, 99, 235, 0.2);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
}

.filter-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.drive-select-dropdown {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s ease;
}

.drive-select-dropdown:focus, .drive-select-dropdown:hover {
    border-color: var(--primary);
}

.form-input-sm {
    padding: 5px 10px;
    font-size: 0.85rem;
    border-radius: 6px;
}

.auto-scan-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-secondary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.green {
    background-color: var(--emerald);
    box-shadow: 0 0 8px var(--emerald);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-light {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

.btn-light:hover {
    background-color: #e2e8f0;
    color: var(--text-primary);
}

.btn-danger-sm {
    padding: 6px 10px;
    font-size: 0.8rem;
    background-color: var(--rose-light);
    color: var(--rose);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 6px;
    cursor: pointer;
}

.btn-danger-sm:hover {
    background-color: var(--rose);
    color: #ffffff;
}

.btn-sm {
    padding: 7px 12px;
    font-size: 0.85rem;
}

/* Main Content */
.main-content {
    padding: 28px 32px;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

/* Progress & Live Console Panel */
.progress-panel {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.progress-card {
    background-color: var(--bg-card);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.12);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-title-group {
    display: flex;
    align-items: center;
    gap: 14px;
}

.progress-title-group i {
    font-size: 1.5rem;
}

.progress-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

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

.progress-status-badge {
    background-color: var(--primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 6px 16px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.progress-bar-container.large {
    height: 14px;
    background-color: var(--bg-secondary);
    border-radius: 7px;
    overflow: hidden;
}

.progress-bar-fill.animated {
    background: linear-gradient(90deg, #2563eb, #6366f1, #3b82f6);
    background-size: 200% 100%;
    animation: progressGradient 2s linear infinite;
}

@keyframes progressGradient {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

/* Terminal Live Console */
.terminal-console-wrapper {
    background-color: #0f172a;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid #1e293b;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background-color: #1e293b;
    padding: 8px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #94a3b8;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.terminal-dots span {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-left: 4px;
}

.terminal-dots span:nth-child(1) { background-color: #ef4444; }
.terminal-dots span:nth-child(2) { background-color: #f59e0b; }
.terminal-dots span:nth-child(3) { background-color: #10b981; }

.terminal-body {
    padding: 14px 16px;
    max-height: 220px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.console-line {
    color: #cbd5e1;
    word-break: break-all;
}

.console-line.info { color: #38bdf8; }
.console-line.success { color: #34d399; }
.console-line.warning { color: #fbbf24; }
.console-line.error { color: #f87171; }

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: 1.8fr repeat(2, 1fr);
    gap: 20px;
}

.metric-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.storage-multi-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
    max-height: 220px;
    overflow-y: auto;
    padding-right: 4px;
}

.drive-breakdown-item {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    border: 1px solid var(--border-color);
}

.drive-breakdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.drive-breakdown-title {
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.drive-breakdown-size {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.drive-breakdown-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card-header-sm {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
}

.metric-body {
    margin-top: 14px;
}

.metric-body h2 {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.metric-subtext {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.storage-display {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 10px;
}

.storage-text h2 {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

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

.badge-percentage {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 4px 10px;
    border-radius: 20px;
}

.progress-bar-container {
    height: 10px;
    background-color: var(--bg-secondary);
    border-radius: 5px;
    overflow: hidden;
    margin-top: 14px;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--indigo));
    border-radius: 5px;
    transition: width 0.4s ease;
}

.storage-footer {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.icon-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.bg-blue-light { background-color: var(--primary-light); }
.text-blue { color: var(--primary); }
.bg-indigo-light { background-color: var(--indigo-light); }
.text-indigo { color: var(--indigo); }
.bg-emerald-light { background-color: var(--emerald-light); }
.text-emerald { color: var(--emerald); }
.text-accent { color: var(--primary); }

/* Charts Section */
.charts-section {
    display: flex;
    gap: 20px;
}

.chart-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.flex-2 { flex: 2; min-width: 0; }
.flex-1 { flex: 1; min-width: 0; }

.chart-card .card-header {
    margin-bottom: 16px;
}

.chart-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-card .subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.chart-container {
    width: 100%;
    height: 340px;
}

/* Table Section */
.table-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
}

.table-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 16px;
}

.table-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.table-title h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.badge-count {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 12px;
}

.search-box {
    position: relative;
    width: 280px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.search-box input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s ease;
}

.search-box input:focus {
    border-color: var(--primary);
    background-color: var(--bg-card);
}

/* Custom Table */
.table-responsive {
    overflow-x: auto;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

.custom-table th {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    user-select: none;
}

.th-sortable {
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.th-sortable:hover {
    background-color: #e2e8f0;
    color: var(--text-primary);
}

.th-sortable.active-sort {
    color: var(--primary);
    font-weight: 700;
}

.sort-icon {
    font-size: 0.8rem;
    margin-left: 4px;
    opacity: 0.5;
}

.th-sortable.active-sort .sort-icon {
    opacity: 1;
    color: var(--primary);
}

.custom-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.custom-table tbody tr:hover {
    background-color: var(--bg-primary);
}

.folder-name-cell {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.folder-icon {
    color: var(--amber);
    font-size: 1.1rem;
}

.path-code {
    font-family: monospace;
    font-size: 0.8rem;
    background-color: var(--bg-secondary);
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--text-secondary);
}

.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 600;
}

.badge-status.success {
    background-color: var(--emerald-light);
    color: var(--emerald);
}

.badge-status.danger {
    background-color: var(--rose-light);
    color: var(--rose);
}

.empty-state {
    text-align: center;
    padding: 40px !important;
    color: var(--text-muted);
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-dialog {
    background-color: var(--bg-card);
    width: 90%;
    max-width: 780px;
    max-height: 85vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.modal-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
}

.modal-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    display: flex;
    justify-content: flex-end;
}

.form-section {
    margin-bottom: 20px;
}

.form-section-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-grid-3 {
    display: flex;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input {
    padding: 9px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-primary);
    background-color: var(--bg-card);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    cursor: pointer;
    user-select: none;
}

.flex-align-end {
    justify-content: flex-end;
    padding-bottom: 10px;
}

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 20px 0;
}

.add-target-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
}

.add-target-card h5 {
    font-size: 0.9rem;
    font-weight: 700;
}

.target-actions-bar {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 12px;
}

.test-result-box {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.825rem;
}

.test-result-box.success {
    background-color: var(--emerald-light);
    color: var(--emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.test-result-box.error {
    background-color: var(--rose-light);
    color: var(--rose);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.hidden { display: none !important; }

.target-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.target-table th, .target-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background-color: var(--text-primary);
    color: #ffffff;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 1024px) {
    .metrics-grid {
        grid-template-columns: 1fr 1fr;
    }
    .charts-section {
        flex-direction: column;
    }
}

/* Per-Folder History Modal & Delta Badges */
.modal-dialog.modal-lg {
    max-width: 900px;
}

.fh-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 8px;
}

.fh-metric-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.fh-metric-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.fh-metric-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.delta-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.delta-badge.positive {
    background-color: var(--emerald-light);
    color: var(--emerald);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.delta-badge.negative {
    background-color: var(--rose-light);
    color: var(--rose);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.delta-badge.neutral {
    background-color: var(--bg-secondary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.folder-link {
    cursor: pointer;
    color: var(--text-primary);
    transition: color 0.15s ease;
}

.folder-link:hover {
    color: var(--primary);
    text-decoration: underline;
}

.btn-history-icon {
    padding: 4px 10px;
    font-size: 0.8rem;
    background-color: var(--indigo-light);
    color: var(--indigo);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
}

.btn-history-icon:hover {
    background-color: var(--indigo);
    color: #ffffff;
}