/*
* =================================================================================================
* Base & Typography
* =================================================================================================
*/
:root {
    --sidebar-width: 250px;
    --accent: #527BFF;
    --accent-hover: #4567CC;
    --accent-light: rgba(82, 123, 255, 0.1);
    --body-bg: #0A0E1B;
    --sidebar-bg: #111827;
    --card-bg: #111827;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #F3F4F6;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--body-bg);
    margin: 0;
    color: var(--text-primary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.main-content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    color: var(--accent-hover);
}

.page-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.page-header h1 i {
    font-size: 1.5rem;
    color: var(--accent);
}

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

/*
* =================================================================================================
* Sidebar
* =================================================================================================
*/
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    z-index: 1000; overflow-y: auto; padding: 0;
    border-right: 1px solid var(--border-color);
}
.sidebar .brand {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.sidebar .brand .brand-icon {
    width: 32px; height: 32px;
    background: var(--accent);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    color: #fff;
}
.sidebar .brand h5 { margin: 0; font-size: 1rem; font-weight: 600; color: var(--text-primary); }

.sidebar .user-info {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}
.sidebar .user-info .email {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar .user-info .role {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 700;
    background: var(--accent-light);
    color: var(--accent);
}

.sidebar .nav-section {
    padding: 1.5rem 1.25rem 0.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}
.sidebar .nav-link {
    padding: 0.6rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.15s;
    border-left: 4px solid transparent;
    text-decoration: none;
    font-weight: 500;
}
.sidebar .nav-link:hover {
    background: var(--accent-light);
    color: var(--text-primary);
}
.sidebar .nav-link.active {
    background: var(--accent-light);
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 600;
}
.sidebar .nav-link i {
    font-size: 1rem;
    width: 20px;
    text-align: center;
    color: var(--text-muted);
}
.sidebar .nav-link.active i {
    color: var(--accent);
}

.sidebar-logout {
    padding: 1.25rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/*
* =================================================================================================
* Cards
* =================================================================================================
*/
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
}
.card-header {
    padding: 1rem 1.25rem;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border-color);
}
.card-body {
    padding: 1.25rem;
}
.card-footer {
    padding: 1rem 1.25rem;
    background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--border-color);
}

/*
* =================================================================================================
* Tables
* =================================================================================================
*/
.table {
    color: var(--text-primary);
    border-color: var(--border-color);
}
.table > :not(caption) > * > * {
    padding: 0.85rem 1rem;
    vertical-align: middle;
}
.table thead th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom-width: 1px;
}
.table-hover > tbody > tr:hover > * {
    background-color: rgba(255,255,255,0.03);
    color: var(--text-primary);
}

/*
* =================================================================================================
* Buttons & Actions
* =================================================================================================
*/
.action-btn, .btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 0.4rem; font-size: 0.875rem; font-weight: 500; line-height: 1.4;
    padding: 0.5rem 1rem; border-radius: 0.375rem;
    border: 1px solid transparent; cursor: pointer;
    transition: all 0.15s ease; text-decoration: none; white-space: nowrap;
}
.action-btn i, .btn i, .action-btn svg, .btn svg {
    font-size: 0.875rem;
}

.action-btn-primary, .btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.action-btn-primary:hover, .btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
    border-color: var(--accent-hover);
}

.action-btn-secondary, .btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
    border-color: var(--border-color); /* Changed from rgba(255,255,255,0.2) to var(--border-color) */
}
.action-btn-secondary:hover, .btn-secondary:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}

.btn-accent {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-accent:hover {
    background: var(--accent-hover);
    color: #fff;
    border-color: var(--accent-hover);
}

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

.btn-outline-secondary:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-color: rgba(255,255,255,0.2);
}

.action-btn-danger, .btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}
.action-btn-danger:hover, .btn-danger:hover {
    background: #d03030;
    color: #fff;
    border-color: #d03030;
}

.row-actions { display: flex; gap: 0.25rem; align-items: center; justify-content: flex-end; }
.row-actions .action-btn { padding: 0.4rem 0.5rem; }

/*
* =================================================================================================
* Forms
* =================================================================================================
*/
.form-label {
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}
.form-control, .form-select {
    background-color: var(--body-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 0.375rem;
}
.form-control:focus, .form-select:focus {
    background-color: var(--body-bg);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}
.form-text {
    color: var(--text-muted);
}
.form-check-input {
    background-color: var(--body-bg);
    border: 1px solid var(--border-color);
}
.form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

/*
* =================================================================================================
* Badges
* =================================================================================================
*/
.badge {
    padding: 0.3em 0.6em;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    border-radius: 0.375rem;
}
.badge-healthy, .badge-success { background: var(--success); color: #fff; }
.badge-warning { background: var(--warning); color: #000; }
.badge-critical, .badge-danger { background: var(--danger); color: #fff; }
.badge-unknown { background: var(--text-muted); color: #fff; }
.badge-offline { background: #374151; color: #fff; }
.badge-firing { background: var(--danger); color: #fff; }
.badge-acknowledged { background: var(--warning); color: #000; }
.badge-resolved { background: var(--success); color: #fff; }
.badge-info { background: #3b82f6; color: #fff; }

/*
* =================================================================================================
* Misc
* =================================================================================================
*/
.breadcrumb {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}
.breadcrumb-item.active {
    color: var(--text-muted);
}

.nav-tabs {
    border-color: var(--border-color);
}
.nav-tabs .nav-link {
    color: var(--text-secondary);
    border-color: transparent;
    border-bottom-color: var(--border-color);
    margin-bottom: -1px;
}
.nav-tabs .nav-link.active {
    color: var(--accent);
    background: transparent;
    border-color: var(--border-color);
    border-bottom-color: transparent;
    font-weight: 600;
}
.nav-tabs .nav-link:hover {
    color: var(--text-primary);
    border-color: var(--border-color);
}

/*
* =================================================================================================
* Dashboard
* =================================================================================================
*/
.stat-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-indicator.healthy { background: #48bb78; }
.status-indicator.warning { background: #ecc94b; }
.status-indicator.critical { background: #f56565; }
.status-indicator.unknown { background: #718096; }

/*
* =================================================================================================
* Timeline
* =================================================================================================
*/
.timeline {
    position: relative;
    padding-left: 2.5rem;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-point {
    position: absolute;
    left: -2.5rem;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--body-bg);
}

/*
* =================================================================================================
* Definition List
* =================================================================================================
*/
dl.row dt {
    font-weight: 500;
    color: var(--text-secondary);
}

.resource-chart {
    width: 100%;
    max-width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
}