/* Sentinel Admin Portal - Meraki-inspired Design */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* CSS Variables */
:root {
    /* Sidebar */
    --sidebar-bg: #1a2332;
    --sidebar-width: 240px;
    --sidebar-hover: rgba(255,255,255,0.08);
    --sidebar-active: rgba(0, 188, 212, 0.15);
    --sidebar-text: #94a3b8;
    --sidebar-text-active: #fff;

    /* Accent Colors - Meraki teal/cyan */
    --accent: #00bcd4;
    --accent-hover: #00acc1;
    --accent-light: rgba(0, 188, 212, 0.1);

    /* Content Area */
    --content-bg: #f5f7fa;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --card-shadow: 0 1px 3px rgba(0,0,0,0.08);

    /* Text */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;

    /* Status Colors */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);

    /* Spacing */
    --header-height: 56px;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
}

.sidebar-logo svg {
    width: 32px;
    height: 32px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

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

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sidebar-text);
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.nav-item.active {
    background: var(--sidebar-active);
    color: var(--accent);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--sidebar-text);
    font-size: 13px;
}

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}

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

/* Top Header */
.top-header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
    padding: 0 32px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--accent);
}

.breadcrumbs span {
    color: var(--text-primary);
}

/* Content Container */
.content {
    padding: 24px 32px;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    margin-bottom: 24px;
}

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

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 20px;
}

.card-body.no-padding {
    padding: 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--card-shadow);
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-value.success { color: var(--success); }
.stat-value.warning { color: var(--warning); }
.stat-value.danger { color: var(--danger); }
.stat-value.accent { color: var(--accent); }

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.success { background: var(--success-bg); color: var(--success); }
.stat-icon.warning { background: var(--warning-bg); color: var(--warning); }
.stat-icon.danger { background: var(--danger-bg); color: var(--danger); }
.stat-icon.accent { background: var(--accent-light); color: var(--accent); }

/* Tables */
.table-container {
    overflow-x: auto;
}

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

th {
    text-align: left;
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    background: #f8fafc;
    border-bottom: 1px solid var(--card-border);
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--card-border);
    font-size: 14px;
    color: var(--text-primary);
    vertical-align: top;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background: #f8fafc;
}

/* Status Badges */
.status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.status-success {
    background: var(--success-bg);
    color: var(--success);
}

.status-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

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

.status-info {
    background: var(--info-bg);
    color: var(--info);
}

.status-neutral {
    background: #f1f5f9;
    color: var(--text-secondary);
}

/* Health Indicator */
.health-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.health-indicator.healthy {
    background: var(--success-bg);
    color: var(--success);
}

.health-indicator.unhealthy {
    background: var(--danger-bg);
    color: var(--danger);
}

.health-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.15s ease;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: #fff;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

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

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

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

.btn-success:hover {
    background: rgba(16, 185, 129, 0.2);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

.btn-icon {
    padding: 8px;
}

.btn-group {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    flex-wrap: wrap;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    background: #fff;
    color: var(--text-primary);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

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

.form-input::placeholder {
    color: var(--text-muted);
}

.form-row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-select {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    background: #fff;
    color: var(--text-primary);
    cursor: pointer;
}

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

/* Code/Monospace */
.code {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 13px;
    background: #f1f5f9;
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--text-primary);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-accent {
    background: var(--accent-light);
    color: var(--accent);
}

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

.badge-neutral {
    background: #f1f5f9;
    color: var(--text-secondary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

/* Recent Activity List */
.activity-list {
    list-style: none;
}

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

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

.activity-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.activity-dot.success { background: var(--success); }
.activity-dot.error { background: var(--danger); }

.activity-text {
    font-size: 14px;
    color: var(--text-primary);
}

.activity-sub {
    font-size: 12px;
    color: var(--text-secondary);
}

.activity-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* License Tags */
.license-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.license-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    background: var(--accent-light);
    color: var(--accent);
}

.license-tag .remove {
    cursor: pointer;
    opacity: 0.7;
}

.license-tag .remove:hover {
    opacity: 1;
}

/* Filter Mode Selector */
.filter-mode {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.filter-mode-btn {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--card-border);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
}

.filter-mode-btn:hover {
    border-color: var(--accent);
}

.filter-mode-btn.active {
    border-color: var(--accent);
    background: var(--accent-light);
}

.filter-mode-btn h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.filter-mode-btn p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Alert Messages */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.alert-info {
    background: var(--accent-light);
    color: var(--accent);
}

/* Login Page (full screen, no sidebar) */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--sidebar-bg) 0%, #0f172a 100%);
}

.login-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 15px;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 64px;
    }

    .sidebar-header {
        padding: 16px;
        justify-content: center;
    }

    .sidebar-logo span {
        display: none;
    }

    .nav-section-title {
        display: none;
    }

    .nav-item span {
        display: none;
    }

    .nav-item {
        justify-content: center;
        padding: 12px;
    }

    .main-content {
        margin-left: 64px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .main-content {
        margin-left: 0;
    }

    .content {
        padding: 16px;
    }

    .form-row {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}