/* Shared Drives Governance Dashboard - Styles */

/* ========================================================================
   CSS Variables (inherit from parent dashboard.css)
   ======================================================================== */

:root {
    --ws-bg: #f8fafc;
    --ws-card-bg: #ffffff;
    --ws-text: #1e293b;
    --ws-text-secondary: #64748b;
    --ws-border: #e2e8f0;
    --ws-accent: #2563eb;
    --ws-accent-light: #dbeafe;
    --ws-success: #16a34a;
    --ws-warning: #d97706;
    --ws-danger: #dc2626;
    --ws-green: #16a34a;
    --ws-red: #dc2626;
    --ws-blue: #2563eb;
    --ws-purple: #7c3aed;
    --ws-shadow: 0 1px 3px rgba(0,0,0,0.1);
    --ws-radius: 8px;
}

[data-theme="dark"] {
    --ws-bg: #0f172a;
    --ws-card-bg: #1e293b;
    --ws-text: #e2e8f0;
    --ws-text-secondary: #94a3b8;
    --ws-border: #334155;
    --ws-accent: #3b82f6;
    --ws-accent-light: rgba(59,130,246,0.15);
    --ws-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* ========================================================================
   Base Layout
   ======================================================================== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--ws-bg);
    color: var(--ws-text);
    line-height: 1.5;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 16px 20px;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--ws-text);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* ========================================================================
   Buttons
   ======================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--ws-accent);
    color: white;
    border-color: var(--ws-accent);
}

.btn-primary:hover { opacity: 0.9; }

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

.btn-secondary:hover { background: var(--ws-accent-light); }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================================================
   Freshness Indicator
   ======================================================================== */

.freshness-indicator {
    font-size: 12px;
    color: var(--ws-text-secondary);
    padding: 4px 8px;
    background: var(--ws-card-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
}

.freshness-indicator.stale {
    color: var(--ws-warning);
    border-color: var(--ws-warning);
}

/* ========================================================================
   KPI Cards
   ======================================================================== */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--ws-card-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    padding: 20px;
    box-shadow: var(--ws-shadow);
}

.kpi-card .kpi-label {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ws-text-secondary);
    margin-bottom: 4px;
}

.kpi-card .kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--ws-text);
    line-height: 1.2;
}

.kpi-card .kpi-sub {
    font-size: 12px;
    color: var(--ws-text-secondary);
    margin-top: 4px;
}

.kpi-card.kpi-warning .kpi-value { color: var(--ws-warning); }
.kpi-card.kpi-danger .kpi-value { color: var(--ws-danger); }
.kpi-card.kpi-success .kpi-value { color: var(--ws-success); }

/* ========================================================================
   Tab Navigation
   ======================================================================== */

.tab-nav {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--ws-border);
    margin-bottom: 20px;
    overflow-x: auto;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: none;
    color: var(--ws-text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
    white-space: nowrap;
}

.tab-btn:hover { color: var(--ws-text); }
.tab-btn.active {
    color: var(--ws-accent);
    border-bottom-color: var(--ws-accent);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ========================================================================
   DataTable Styling
   ======================================================================== */

.table-container {
    background: var(--ws-card-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    box-shadow: var(--ws-shadow);
    overflow: hidden;
    margin-bottom: 24px;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--ws-border);
    flex-wrap: wrap;
    gap: 12px;
}

.table-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ws-text);
}

.table-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-input {
    padding: 8px 12px;
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    font-size: 13px;
    background: var(--ws-bg);
    color: var(--ws-text);
    width: 220px;
}

.search-input:focus {
    outline: none;
    border-color: var(--ws-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.drives-table {
    width: 100%;
    border-collapse: collapse;
}

.drives-table th,
.drives-table td {
    padding: 10px 16px;
    text-align: left;
    border-bottom: 1px solid var(--ws-border);
    font-size: 13px;
}

.drives-table th {
    font-weight: 600;
    color: var(--ws-text-secondary);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
    background: var(--ws-bg);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.drives-table th:hover { color: var(--ws-accent); }

.drives-table th .sort-arrow {
    display: inline-block;
    width: 12px;
    margin-left: 4px;
    opacity: 0.4;
    font-size: 10px;
}

.drives-table th.sorted .sort-arrow { opacity: 1; color: var(--ws-accent); }

.drives-table tbody tr {
    cursor: pointer;
    transition: background 0.15s;
}

.drives-table tbody tr:hover { background: var(--ws-accent-light); }

.drives-table tbody tr:last-child td { border-bottom: none; }

/* ========================================================================
   Status Badges
   ======================================================================== */

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.status-badge.active {
    background: rgba(22, 163, 74, 0.1);
    color: var(--ws-success);
}

.status-badge.orphaned {
    background: rgba(217, 119, 6, 0.1);
    color: var(--ws-warning);
}

.status-badge.empty {
    background: rgba(100, 116, 139, 0.1);
    color: var(--ws-text-secondary);
}

/* ========================================================================
   Chart Container
   ======================================================================== */

.chart-section {
    background: var(--ws-card-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    box-shadow: var(--ws-shadow);
    padding: 20px;
    margin-bottom: 24px;
}

.chart-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ws-text);
    margin-bottom: 16px;
}

.chart-wrapper {
    position: relative;
    height: 350px;
}

.chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

/* ========================================================================
   Detail Modal
   ======================================================================== */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.visible {
    display: flex;
}

.modal-content {
    background: var(--ws-card-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    overflow-y: auto;
    animation: modalSlideIn 0.2s ease-out;
}

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

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

.modal-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ws-text);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    color: var(--ws-text-secondary);
    font-size: 20px;
    cursor: pointer;
    border-radius: var(--ws-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--ws-accent-light);
    color: var(--ws-text);
}

.modal-body {
    padding: 24px;
}

.modal-kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.modal-kpi {
    background: var(--ws-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    padding: 16px;
    text-align: center;
}

.modal-kpi .kpi-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ws-text-secondary);
    margin-bottom: 4px;
}

.modal-kpi .kpi-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--ws-text);
}

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

.modal-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--ws-text);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--ws-border);
}

.file-type-bars {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-type-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-type-label {
    min-width: 120px;
    font-size: 13px;
    color: var(--ws-text);
    font-weight: 500;
}

.file-type-bar-bg {
    flex: 1;
    height: 20px;
    background: var(--ws-border);
    border-radius: 4px;
    overflow: hidden;
}

.file-type-bar-fill {
    height: 100%;
    border-radius: 4px;
    background: var(--ws-accent);
    transition: width 0.5s;
}

.file-type-count {
    min-width: 60px;
    text-align: right;
    font-size: 12px;
    color: var(--ws-text-secondary);
    font-weight: 500;
}

.files-list {
    max-height: 300px;
    overflow-y: auto;
}

.files-list table {
    width: 100%;
    border-collapse: collapse;
}

.files-list th,
.files-list td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--ws-border);
    font-size: 13px;
}

.files-list th {
    font-weight: 600;
    color: var(--ws-text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    background: var(--ws-bg);
    position: sticky;
    top: 0;
}

.file-icon {
    display: inline-block;
    width: 16px;
    margin-right: 6px;
    text-align: center;
    font-size: 14px;
}

/* ========================================================================
   Audit Findings
   ======================================================================== */

.audit-section {
    margin-bottom: 24px;
}

.audit-section h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ws-text);
    margin-bottom: 16px;
}

.audit-summary-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.audit-summary-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--ws-card-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    font-size: 13px;
    font-weight: 500;
}

.audit-summary-item .count {
    font-weight: 700;
    font-size: 15px;
}

.audit-summary-item.critical .count { color: var(--ws-danger); }
.audit-summary-item.warning .count { color: var(--ws-warning); }
.audit-summary-item.info .count { color: var(--ws-accent); }

.audit-group {
    margin-bottom: 20px;
}

.audit-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--ws-card-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius) var(--ws-radius) 0 0;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s;
}

.audit-group-header:hover { background: var(--ws-accent-light); }

.audit-group-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--ws-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.audit-group-header .badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 11px;
    font-size: 11px;
    font-weight: 700;
    color: white;
}

.badge.bg-danger { background: var(--ws-danger); }
.badge.bg-warning { background: var(--ws-warning); }
.badge.bg-info { background: var(--ws-accent); }

.audit-group-header .chevron {
    font-size: 14px;
    transition: transform 0.2s;
    color: var(--ws-text-secondary);
}

.audit-group.expanded .chevron { transform: rotate(180deg); }

.audit-group-body {
    display: none;
    border: 1px solid var(--ws-border);
    border-top: none;
    border-radius: 0 0 var(--ws-radius) var(--ws-radius);
    background: var(--ws-card-bg);
}

.audit-group.expanded .audit-group-body { display: block; }

.audit-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--ws-border);
    gap: 12px;
    flex-wrap: wrap;
}

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

.audit-item-info {
    flex: 1;
    min-width: 200px;
}

.audit-item-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--ws-text);
}

.audit-item-detail {
    font-size: 12px;
    color: var(--ws-text-secondary);
    margin-top: 2px;
}

.audit-item-meta {
    display: flex;
    gap: 16px;
    align-items: center;
}

.severity-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.severity-badge.critical {
    background: rgba(220, 38, 38, 0.1);
    color: var(--ws-danger);
}

.severity-badge.warning {
    background: rgba(217, 119, 6, 0.1);
    color: var(--ws-warning);
}

.severity-badge.info {
    background: rgba(37, 99, 235, 0.1);
    color: var(--ws-accent);
}

/* ========================================================================
   Refresh Overlay
   ======================================================================== */

.refresh-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.refresh-overlay.visible { display: flex; }

.refresh-modal {
    background: var(--ws-card-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    padding: 32px;
    min-width: 400px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.refresh-modal h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ws-text);
    margin-bottom: 16px;
}

.progress-bar {
    height: 8px;
    background: var(--ws-border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-bar-fill {
    height: 100%;
    background: var(--ws-accent);
    border-radius: 4px;
    transition: width 0.3s;
    width: 0%;
}

.refresh-status {
    font-size: 13px;
    color: var(--ws-text-secondary);
}

/* ========================================================================
   Loading & Empty States
   ======================================================================== */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--ws-text-secondary);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--ws-border);
    border-top-color: var(--ws-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--ws-text-secondary);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
    max-width: 400px;
    margin: 0 auto;
}

/* ========================================================================
   Responsive
   ======================================================================== */

@media (max-width: 1024px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .chart-row { grid-template-columns: 1fr; }
    .modal-kpis { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .header { flex-direction: column; align-items: flex-start; }
    .modal-kpis { grid-template-columns: 1fr; }
    .modal-content { width: 95%; max-height: 90vh; }
    .table-header { flex-direction: column; }
    .search-input { width: 100%; }
    .audit-item { flex-direction: column; align-items: flex-start; }
    .audit-item-meta { margin-top: 8px; }
}

@media (max-width: 480px) {
    .container { padding: 12px; }
    .tab-btn { padding: 8px 12px; font-size: 13px; }
    .kpi-card .kpi-value { font-size: 22px; }
    .filter-bar { flex-direction: column; }
}

/* ========================================================================
   Filter Bar
   ======================================================================== */

.filter-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--ws-card-bg);
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--ws-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.filter-group select {
    padding: 6px 10px;
    border: 1px solid var(--ws-border);
    border-radius: var(--ws-radius);
    font-size: 13px;
    background: var(--ws-bg);
    color: var(--ws-text);
    cursor: pointer;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--ws-accent);
}

/* ========================================================================
   Small Button Variant
   ======================================================================== */

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

/* ========================================================================
   DataTables Dark Mode Overrides
   ======================================================================== */

[data-theme="dark"] .dataTables_wrapper .dataTables_length,
[data-theme="dark"] .dataTables_wrapper .dataTables_filter,
[data-theme="dark"] .dataTables_wrapper .dataTables_info,
[data-theme="dark"] .dataTables_wrapper .dataTables_paginate {
    color: var(--ws-text-secondary);
}

[data-theme="dark"] .dataTables_wrapper .dataTables_filter input,
[data-theme="dark"] .dataTables_wrapper .dataTables_length select {
    background: var(--ws-bg);
    color: var(--ws-text);
    border: 1px solid var(--ws-border);
    border-radius: 4px;
    padding: 4px 8px;
}

[data-theme="dark"] .dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--ws-text-secondary) !important;
    background: transparent;
    border: 1px solid var(--ws-border);
}

[data-theme="dark"] .dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--ws-accent) !important;
    color: white !important;
    border-color: var(--ws-accent);
}

[data-theme="dark"] .dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--ws-accent-light) !important;
    color: var(--ws-text) !important;
    border-color: var(--ws-border);
}

[data-theme="dark"] table.dataTable thead th,
[data-theme="dark"] table.dataTable thead td {
    border-bottom: 1px solid var(--ws-border);
}

[data-theme="dark"] table.dataTable.no-footer {
    border-bottom: 1px solid var(--ws-border);
}

/* DataTables spacing fixes */
.dataTables_wrapper {
    padding: 0 16px 16px;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
    margin-bottom: 12px;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    margin-top: 12px;
}

/* Table scroll for small screens */
.table-scroll {
    overflow-x: auto;
}