/* ==========================================================================
   MSP WordPress Sentinel — Premium Dark Mode Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Color Palette */
    --bg-canvas: #090d16;
    --bg-surface: #0f172a;
    --bg-surface-elevated: #1e293b;
    --bg-surface-glass: rgba(15, 23, 42, 0.75);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(6, 182, 212, 0.4);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Accents & States */
    --accent-cyan: #06b6d4;
    --accent-cyan-glow: rgba(6, 182, 212, 0.2);
    --accent-indigo: #6366f1;
    --status-healthy: #10b981;
    --status-healthy-glow: rgba(16, 185, 129, 0.25);
    --status-warning: #f59e0b;
    --status-warning-glow: rgba(245, 158, 11, 0.25);
    --status-danger: #f43f5e;
    --status-danger-glow: rgba(244, 63, 94, 0.3);
    --status-info: #38bdf8;

    /* Level Badges */
    --level-a: #8b5cf6;
    --level-b: #3b82f6;
    --level-c: #10b981;

    /* Typography & Spacing */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-subtle);
    --shadow-elevated: 0 10px 30px -4px rgba(0, 0, 0, 0.7), 0 0 0 1px var(--border-subtle);
    --transition-fast: 0.15s ease;
    --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.text-danger { color: var(--status-danger) !important; }
.text-warning { color: var(--status-warning) !important; }
.text-healthy { color: var(--status-healthy) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-cyan { color: var(--accent-cyan) !important; }
.text-indigo { color: var(--accent-indigo) !important; }

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

body {
    background-color: var(--bg-canvas);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Background ambient light */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 20%;
    width: 60%;
    height: 350px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.07) 0%, rgba(99, 102, 241, 0.04) 50%, transparent 80%);
    pointer-events: none;
    z-index: 0;
}

/* App Header & Nav */
.header {
    background: var(--bg-surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-indigo));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    box-shadow: 0 0 16px var(--accent-cyan-glow);
}

.brand-title {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.brand-badge {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(6, 182, 212, 0.3);
    margin-left: 6px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: var(--bg-surface-elevated);
}

.badge-alert {
    background: var(--status-danger);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: var(--radius-full);
}

/* Main Container */
.main-wrapper {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    position: relative;
    z-index: 1;
}

/* Page Header & Actions */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), #0284c7);
    color: #ffffff;
    box-shadow: 0 2px 10px var(--accent-cyan-glow);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-surface-elevated);
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.btn-secondary:hover {
    background: #283548;
}

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

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

/* Flash Messages */
.flash-container {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 0.9rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(16, 185, 129, 0.12);
    border-color: var(--status-healthy);
    color: #6ee7b7;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.12);
    border-color: var(--status-warning);
    color: #fcd34d;
}

.alert-danger {
    background: rgba(244, 63, 94, 0.12);
    border-color: var(--status-danger);
    color: #fda4af;
}

.alert-info {
    background: rgba(6, 182, 212, 0.12);
    border-color: var(--accent-cyan);
    color: #a5f3fc;
}

/* Stat Cards Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 2.1rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0.5rem 0 0.25rem 0;
    color: var(--text-primary);
}

.stat-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.stat-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.stat-indicator.healthy { background: var(--status-healthy); box-shadow: 0 0 8px var(--status-healthy-glow); }
.stat-indicator.danger { background: var(--status-danger); box-shadow: 0 0 8px var(--status-danger-glow); }
.stat-indicator.warning { background: var(--status-warning); box-shadow: 0 0 8px var(--status-warning-glow); }

/* Dashboard Sections */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.card-header {
    padding: 1.15rem 1.4rem;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.card-body {
    padding: 1.4rem;
}

/* Tables */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    text-align: left;
}

.data-table th {
    background: var(--bg-surface-elevated);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.data-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
}

/* Status Badges */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-pill.HEALTHY {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pill.DOWN {
    background: rgba(244, 63, 94, 0.15);
    color: #fb7185;
    border: 1px solid rgba(244, 63, 94, 0.3);
    animation: pulse-danger 2s infinite;
}

.status-pill.DEGRADED {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-pill.UNKNOWN {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

@keyframes pulse-danger {
    0% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(244, 63, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0); }
}

/* Capabilities Matrix Pills */
.cap-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: var(--radius-sm);
    margin: 2px;
}

.cap-pill.enabled {
    background: rgba(16, 185, 129, 0.12);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.cap-pill.disabled {
    background: rgba(100, 116, 139, 0.1);
    color: #64748b;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.level-tag {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 4px;
    border-radius: 3px;
}

.level-tag.A { background: var(--level-a); color: white; }
.level-tag.B { background: var(--level-b); color: white; }
.level-tag.C { background: var(--level-c); color: #022c22; }

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    background: var(--bg-canvas);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.9rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

/* Code and Tokens */
.token-box {
    background: var(--bg-canvas);
    border: 1px dashed var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    word-break: break-all;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 1.5rem;
    border-left: 2px solid var(--border-subtle);
}

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

.timeline-dot {
    position: absolute;
    left: -1.95rem;
    top: 0.2rem;
    width: 14px;
    height: 14px;
    border-radius: var(--radius-full);
    background: var(--accent-cyan);
    border: 3px solid var(--bg-surface);
}

.timeline-content {
    background: var(--bg-surface-elevated);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.timeline-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}