/* Sentinel ITDR - Dark SOC Theme */

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #1e2130;
    --bg-card-hover: #252838;
    --bg-input: #252838;
    --border: #2d3148;
    --border-light: #3d4168;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --critical: #dc2626;
    --info: #06b6d4;
    --sidebar-width: 240px;
    --header-height: 56px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

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

/* === LOGIN === */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f1117 0%, #1a1d27 50%, #0f1117 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.login-logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.login-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* === FORMS === */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input[type="text"], input[type="password"], input[type="email"],
input[type="number"], input[type="search"], select, textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--bg-card);
    color: var(--text-primary);
}

.btn:hover { background: var(--bg-card-hover); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: white; }
.btn-sm { padding: 0.25rem 0.625rem; font-size: 0.75rem; }
.btn-block { width: 100%; justify-content: center; }

/* === ALERTS === */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
    border: 1px solid;
}

.alert-danger { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: #fca5a5; }
.alert-success { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: #6ee7b7; }
.alert-warning { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.3); color: #fcd34d; }
.alert-info { background: rgba(6,182,212,0.1); border-color: rgba(6,182,212,0.3); color: #67e8f9; }

/* === LAYOUT === */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-brand {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-brand .logo-icon { font-size: 1.5rem; margin: 0; }
.sidebar-brand h2 { font-size: 0.9375rem; font-weight: 600; }
.sidebar-brand small { display: block; font-size: 0.625rem; color: var(--text-muted); font-weight: 400; }

.sidebar-nav { padding: 0.75rem 0; }
.sidebar-section { padding: 0.5rem 1.25rem 0.25rem; font-size: 0.625rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    transition: all 0.15s;
    border-left: 3px solid transparent;
}

.sidebar-link:hover { background: var(--bg-card); color: var(--text-primary); }
.sidebar-link.active { background: var(--accent-glow); color: var(--accent); border-left-color: var(--accent); }
.sidebar-link .icon { width: 18px; text-align: center; font-size: 1rem; }

.sidebar-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
    font-weight: 600;
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
}

.topbar {
    height: var(--header-height);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-title { font-size: 1rem; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 1rem; }

.content-area { padding: 1.5rem; }

/* === STAT CARDS === */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: border-color 0.15s;
}

.stat-card:hover { border-color: var(--border-light); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-size: 1.75rem; font-weight: 700; margin: 0.25rem 0; }
.stat-change { font-size: 0.75rem; }
.stat-change.up { color: var(--danger); }
.stat-change.down { color: var(--success); }

.stat-value.critical { color: var(--critical); }
.stat-value.high { color: var(--danger); }
.stat-value.medium { color: var(--warning); }
.stat-value.low { color: var(--info); }
.stat-value.success { color: var(--success); }

/* === CARDS === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title { font-size: 0.875rem; font-weight: 600; }
.card-body { padding: 1.25rem; }

/* === TABLES === */
.table-responsive { overflow-x: auto; }

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

th {
    text-align: left;
    padding: 0.625rem 1rem;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.8125rem;
}

tr:hover td { background: var(--bg-card-hover); }
tr:last-child td { border-bottom: none; }

/* === SEVERITY BADGES === */
.severity {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.1875rem 0.5rem;
    border-radius: 6px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.severity-critical { background: rgba(220,38,38,0.15); color: #fca5a5; border: 1px solid rgba(220,38,38,0.3); }
.severity-high { background: rgba(239,68,68,0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.severity-medium { background: rgba(245,158,11,0.15); color: #fcd34d; border: 1px solid rgba(245,158,11,0.3); }
.severity-low { background: rgba(6,182,212,0.15); color: #67e8f9; border: 1px solid rgba(6,182,212,0.3); }

.severity-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.severity-critical .severity-dot { background: var(--critical); box-shadow: 0 0 6px var(--critical); }
.severity-high .severity-dot { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
.severity-medium .severity-dot { background: var(--warning); }
.severity-low .severity-dot { background: var(--info); }

/* === STATUS BADGES === */
.status {
    display: inline-block;
    padding: 0.1875rem 0.5rem;
    border-radius: 6px;
    font-size: 0.6875rem;
    font-weight: 600;
}

.status-new { background: rgba(59,130,246,0.15); color: #93c5fd; }
.status-investigating { background: rgba(245,158,11,0.15); color: #fcd34d; }
.status-resolved { background: rgba(16,185,129,0.15); color: #6ee7b7; }
.status-false_positive { background: rgba(100,116,139,0.15); color: #94a3b8; }
.status-active { background: rgba(16,185,129,0.15); color: #6ee7b7; }

/* === DETECTION TYPE ICONS === */
.detection-type {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
}

/* === GRID LAYOUTS === */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; }

@media (max-width: 1024px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .stat-grid { grid-template-columns: 1fr; }
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state .icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.empty-state h3 { color: var(--text-secondary); margin-bottom: 0.5rem; }

/* === RISK SCORE === */
.risk-score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1rem;
    border: 3px solid;
}

.risk-critical { border-color: var(--critical); color: var(--critical); }
.risk-high { border-color: var(--danger); color: var(--danger); }
.risk-medium { border-color: var(--warning); color: var(--warning); }
.risk-low { border-color: var(--success); color: var(--success); }

/* === TIMELINE === */
.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-bottom: 1.25rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-card);
}

.timeline-time { font-size: 0.6875rem; color: var(--text-muted); }
.timeline-content { margin-top: 0.25rem; }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* === TENANT CARD === */
.tenant-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.tenant-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.tenant-dot.offline { background: var(--text-muted); }
.tenant-dot.error { background: var(--danger); box-shadow: 0 0 6px var(--danger); }