/* ==============================================
   Restic Dashboard - Design System
   ============================================== */

/* ---- CSS Variables ---- */
:root {
    --sidebar-width: 260px;
    --sidebar-bg: #111827;
    --sidebar-text: #94a3b8;
    --sidebar-hover: rgba(255, 255, 255, 0.08);
    --sidebar-active-bg: rgba(59, 130, 246, 0.15);
    --sidebar-active-text: #3b82f6;

    --body-bg: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --header-bg: #f1f5f9;

    --primary: #1a56db;
    --primary-hover: #1648b8;
    --accent: #3b82f6;
    --primary-light: #dbeafe;

    --text-primary: #1e293b;
    --text-muted: #64748b;

    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --info: #0891b2;

    --radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    --transition: 0.15s ease;

    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 0.9rem;
}

/* ---- Base ---- */
*,
*::before,
*::after {
    transition-property: background-color, color, border-color, box-shadow, opacity, transform;
    transition-duration: var(--transition);
    transition-timing-function: ease;
}

body {
    font-family: var(--font-stack);
    font-size: var(--font-size-base);
    background-color: var(--body-bg);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* ---- Layout ---- */
.layout-wrapper {
    display: flex;
    min-height: 100vh;
}

.page-wrapper {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
}

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    overflow: hidden;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.25rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.sidebar-brand i {
    font-size: 1.4rem;
    color: var(--accent);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0;
}

.sidebar-section {
    margin-bottom: 0.5rem;
}

.sidebar-section-title {
    padding: 0.75rem 1.25rem 0.4rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #4b5563;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.25rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    margin: 1px 0.5rem;
}

.sidebar-link:hover {
    color: #e2e8f0;
    background-color: var(--sidebar-hover);
    text-decoration: none;
}

.sidebar-link.active {
    color: var(--sidebar-active-text);
    background-color: var(--sidebar-active-bg);
}

.sidebar-link i {
    font-size: 1.1rem;
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.75rem 1rem;
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.sidebar-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background-color: var(--accent);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: 0.825rem;
    font-weight: 600;
    color: #e2e8f0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.725rem;
    color: #64748b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Sidebar scrollbar */
.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* ---- Page Header ---- */
.page-header {
    position: sticky;
    top: 0;
    z-index: 1020;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.875rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-header-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.35rem 0.6rem;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
}

.sidebar-toggle:hover {
    background-color: var(--header-bg);
}

/* ---- Page Body ---- */
.page-body {
    flex: 1;
    padding: 1.5rem;
}

/* ---- Page Footer ---- */
.page-footer {
    padding: 1rem 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    background-color: var(--card-bg);
}

/* ---- Cards ---- */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card:hover {
    transform: none;
    box-shadow: var(--shadow);
}

.card-header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.75rem 1rem;
}

.card-body {
    padding: 1rem;
}

/* ---- Stat Cards ---- */
.stat-card {
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
}

.stat-card.stat-success {
    border-left-color: var(--success);
}

.stat-card.stat-danger {
    border-left-color: var(--danger);
}

.stat-card.stat-warning {
    border-left-color: var(--warning);
}

.stat-card.stat-info {
    border-left-color: var(--info);
}

.stat-card .card-body {
    padding: 1.25rem;
}

.stat-icon {
    font-size: 2.25rem;
    opacity: 0.6;
    color: var(--text-muted);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-top: 0.25rem;
}

.stat-card:hover .stat-icon {
    opacity: 0.85;
}

/* ---- Tables ---- */
.table {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 0;
}

.table thead th {
    background-color: var(--header-bg);
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border: none;
    padding: 0.75rem 1rem;
}

.table tbody tr {
    transition: background-color var(--transition);
}

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

.table tbody td {
    vertical-align: middle;
    padding: 0.7rem 1rem;
    border-color: var(--border-color);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.table .badge {
    font-size: 0.75rem;
    padding: 0.3em 0.6em;
    font-weight: 600;
}

/* ---- Buttons ---- */
.btn {
    border-radius: var(--radius);
    font-weight: 500;
    padding: 0.5rem 1rem;
    font-size: var(--font-size-base);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-success {
    background-color: var(--success);
    border-color: var(--success);
}

.btn-danger {
    background-color: var(--danger);
    border-color: var(--danger);
}

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

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

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    transform: none;
    box-shadow: none;
}

.btn-outline-success:hover,
.btn-outline-info:hover,
.btn-outline-secondary:hover {
    transform: none;
    box-shadow: none;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

/* ---- Forms ---- */
.form-control,
.form-select {
    border-radius: var(--radius);
    border-color: var(--border-color);
    padding: 0.65rem 0.85rem;
    font-size: var(--font-size-base);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.15);
}

.form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

/* ---- Alerts ---- */
.alert {
    border: none;
    border-radius: var(--radius);
    border-left: 4px solid transparent;
    font-size: 0.875rem;
}

.alert-success {
    background-color: #f0fdf4;
    color: #166534;
    border-left-color: var(--success);
}

.alert-danger {
    background-color: #fef2f2;
    color: #991b1b;
    border-left-color: var(--danger);
}

.alert-warning {
    background-color: #fffbeb;
    color: #92400e;
    border-left-color: var(--warning);
}

.alert-info {
    background-color: #ecfeff;
    color: #155e75;
    border-left-color: var(--info);
}

/* ---- Badges ---- */
.badge {
    font-weight: 600;
    border-radius: 6px;
}

.badge.bg-success {
    background-color: var(--success) !important;
}

.badge.bg-danger {
    background-color: var(--danger) !important;
}

.badge.bg-warning {
    background-color: var(--warning) !important;
    color: #ffffff;
}

.badge.bg-info {
    background-color: var(--info) !important;
    color: #ffffff;
}

/* ---- Progress Bars ---- */
.progress {
    border-radius: 12px;
    background-color: #e9ecef;
    height: 0.6rem;
}

.progress-bar {
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.75rem;
}

/* ---- Terminal / Pre blocks ---- */
pre,
.terminal {
    background-color: #0f172a;
    color: #e2e8f0;
    border-radius: var(--radius);
    padding: 1rem;
    font-size: 0.825rem;
    overflow-x: auto;
    border: 1px solid #1e293b;
}

pre code {
    color: inherit;
    background: none;
    padding: 0;
}

/* ---- File Browser ---- */
.file-browser {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: var(--card-bg);
    overflow: hidden;
}

.file-browser .file-header {
    background-color: var(--header-bg);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.file-browser .file-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.file-browser .file-item {
    display: flex;
    align-items: center;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

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

.file-browser .file-item:hover {
    background-color: var(--primary-light);
}

.file-browser .file-item .file-icon {
    margin-right: 0.75rem;
    font-size: 1.2rem;
    width: 1.5rem;
    text-align: center;
}

.file-browser .file-item .file-icon.folder {
    color: var(--warning);
}

.file-browser .file-item .file-icon.file {
    color: var(--text-muted);
}

.file-browser .file-item .file-name {
    flex: 1;
    font-size: 0.875rem;
}

.file-browser .file-item .file-name.folder-name {
    font-weight: 600;
}

.file-browser .file-item .file-size {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-left: 1rem;
}

.file-browser .file-item .file-date {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-left: 1rem;
    min-width: 130px;
    text-align: right;
}

/* ---- Breadcrumb ---- */
.file-breadcrumb {
    background-color: var(--header-bg);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.file-breadcrumb a {
    text-decoration: none;
    color: var(--primary);
}

.file-breadcrumb a:hover {
    text-decoration: underline;
}

/* ---- Login Page ---- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0f1a 0%, #111827 100%);
    position: relative;
    overflow: hidden;
}

#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.login-card {
    position: relative;
    z-index: 1;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    border-top: none;
}

.login-card .login-brand {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-card .login-brand i {
    font-size: 2.5rem;
    color: var(--primary);
}

.login-card .login-brand h2,
.login-card .login-brand h4 {
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.5rem;
    margin-bottom: 0.25rem;
}

.login-card .login-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.login-card .input-group-text {
    background-color: var(--header-bg);
    border-color: var(--border-color);
    color: var(--text-muted);
}

.login-card .form-control {
    border-color: var(--border-color);
}

.login-card .form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.15);
}

.login-card .btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    padding: 0.65rem 1rem;
    font-weight: 600;
}

.login-card .btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* ---- Sidebar Overlay (mobile) ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1035;
}

.sidebar-overlay.active {
    display: block;
}

/* ---- Danger Zone ---- */
.danger-zone {
    border: 1px solid #fecaca;
    background-color: #fff5f5;
    border-radius: var(--radius);
    padding: 1.25rem;
}

/* ---- Utilities ---- */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

a {
    color: var(--primary);
}

a:hover {
    color: var(--primary-hover);
}

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .page-wrapper {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: inline-flex;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .page-body {
        padding: 1rem;
    }

    .page-header {
        padding: 0.75rem 1rem;
    }

    .stat-icon {
        font-size: 1.8rem;
    }

    .file-browser .file-item .file-date {
        display: none;
    }
}

/* ---- Cache Progress Bar (global, below header) ---- */
.cache-progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem 1.75rem;
    background: linear-gradient(90deg, #eff6ff 0%, #f8fafc 100%);
    border-bottom: 1px solid #bfdbfe;
    min-height: 28px;
}

.cache-progress-inner {
    flex: 1;
    height: 5px;
    background-color: #dbeafe;
    border-radius: 3px;
    overflow: hidden;
}

.cache-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.cache-progress-text {
    color: var(--text-muted);
    font-size: 0.72rem;
    white-space: nowrap;
    min-width: 200px;
    text-align: right;
}

/* ---- Cache Status Bar (used on tags/retention pages) ---- */
.cache-status-bar {
    background: #f8fafc;
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 0.6rem 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
}

/* ---- Chart containers ---- */
.chart-container {
    position: relative;
    width: 100%;
}

.chart-container canvas {
    max-width: 100%;
}

/* ---- Gauge cards (system metrics) ---- */
.gauge-card .card-body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gauge-value {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
}

.gauge-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

.gauge-detail {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ---- Network stats ---- */
.net-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 0;
    font-size: 0.85rem;
}

.net-stat i { font-size: 1.1rem; }
.net-stat .net-value { font-weight: 700; font-size: 1rem; }
.net-stat .net-label { color: var(--text-muted); font-size: 0.75rem; }

/* ---- Tag cards hover ---- */
.tag-card-col .card {
    transition: all 0.2s ease;
    cursor: pointer;
}

.tag-card-col .card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

/* ---- Tag rank badge ---- */
.tag-rank {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    flex-shrink: 0;
}

.tag-rank.top-3 { background: #f59e0b; }

/* ---- Stat card improvements ---- */
.stat-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}