/* ═══════════════════════════════════════════════════════════════════
   MNETI Manager — Super-Admin Dashboard Stylesheet
   Premium dark-mode SaaS admin interface
   ═══════════════════════════════════════════════════════════════════ */

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #1e2130;
    --bg-hover: #262a3a;
    --bg-input: #262a3a;
    --border: #2d3148;
    --border-focus: #6366f1;
    --text-primary: #e8eaf0;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.12);
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 14px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* ── Scrollbar ──────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

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

/* ── Sidebar ────────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(0);
}

/* Desktop collapsed state */
body.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
}
body.sidebar-collapsed .main-content {
    margin-left: 0;
}

.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), #a855f7);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    flex-shrink: 0;
}

.sidebar-brand .brand-text h1 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.sidebar-brand .brand-text small {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

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

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

.nav-section-title {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 0 12px 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    transition: all var(--transition);
    margin-bottom: 2px;
}

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

.nav-link.active {
    background: var(--accent-glow);
    color: var(--accent);
}

.nav-link .nav-icon {
    font-size: 1.05rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    flex-shrink: 0;
    transition: all var(--transition);
}

/* ── Colored Icon Pills ────────────────────────────────────────── */
.nav-icon.icon-indigo  { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.nav-icon.icon-cyan    { background: rgba(6, 182, 212, 0.15);  color: #22d3ee; }
.nav-icon.icon-violet  { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }
.nav-icon.icon-green   { background: rgba(34, 197, 94, 0.15);  color: #4ade80; }
.nav-icon.icon-rose    { background: rgba(244, 63, 94, 0.15);  color: #fb7185; }
.nav-icon.icon-amber   { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.nav-icon.icon-emerald { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.nav-icon.icon-sky     { background: rgba(14, 165, 233, 0.15); color: #38bdf8; }
.nav-icon.icon-orange  { background: rgba(249, 115, 22, 0.15); color: #fb923c; }
.nav-icon.icon-slate   { background: rgba(148, 163, 184, 0.12); color: #94a3b8; }
.nav-icon.icon-fuchsia { background: rgba(217, 70, 239, 0.15); color: #e879f9; }
.nav-icon.icon-teal    { background: rgba(20, 184, 166, 0.15); color: #2dd4bf; }
.nav-icon.icon-zinc    { background: rgba(161, 161, 170, 0.12); color: #a1a1aa; }

.nav-link:hover .nav-icon { transform: scale(1.1); }
.nav-link.active .nav-icon { box-shadow: 0 0 12px rgba(99, 102, 241, 0.25); }

.nav-link .badge {
    margin-left: auto;
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 600;
}

/* ── Main Content ───────────────────────────────────────────────── */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(15, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.page-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.page-body {
    padding: 28px 32px;
}

/* ── Cards ──────────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ── KPI Stat Cards ─────────────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius) var(--radius) 0 0;
}

.kpi-card.accent::before { background: linear-gradient(90deg, var(--accent), #a855f7); }
.kpi-card.success::before { background: linear-gradient(90deg, var(--success), #16a34a); }
.kpi-card.warning::before { background: linear-gradient(90deg, var(--warning), #d97706); }
.kpi-card.danger::before { background: linear-gradient(90deg, var(--danger), #dc2626); }

.kpi-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.kpi-card .kpi-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.kpi-card .kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.kpi-card .kpi-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ── Data Tables ────────────────────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table thead th {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}

.data-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(45, 49, 72, 0.5);
    font-size: 0.9rem;
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ── Badges / Status ────────────────────────────────────────────── */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.76rem;
    font-weight: 600;
    text-transform: capitalize;
}

.status-badge.active, .status-badge.completed { background: var(--success-bg); color: var(--success); }
.status-badge.trial { background: var(--info-bg); color: var(--info); }
.status-badge.suspended, .status-badge.pending { background: var(--warning-bg); color: var(--warning); }
.status-badge.cancelled, .status-badge.failed { background: var(--danger-bg); color: var(--danger); }

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
}

/* ── Buttons ────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: white;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

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

.btn-danger {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}
.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

/* ── Forms ──────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input, .form-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}

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

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.form-help {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Search & Filter Bar ────────────────────────────────────────── */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
}

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

.search-box .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.filter-select {
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-family: inherit;
    cursor: pointer;
}

/* ── Messages / Alerts ──────────────────────────────────────────── */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(34, 197, 94, 0.2); }
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }
.alert-info { background: var(--info-bg); color: var(--info); border: 1px solid rgba(59, 130, 246, 0.2); }

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Grid Layouts ───────────────────────────────────────────────── */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
}

/* ── Tenant Card (for list view) ────────────────────────────────── */
.tenant-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.tenant-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    color: inherit;
}

.tenant-avatar {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

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

.tenant-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tenant-info p {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.tenant-stats {
    text-align: right;
}

.tenant-stats .stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.tenant-stats .stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ── Detail Header ──────────────────────────────────────────────── */
.detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
}

.detail-header .avatar-lg {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.detail-header .info h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.detail-header .info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ── Empty State ────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto 20px;
}

/* ── Login Page ─────────────────────────────────────────────────── */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.login-card .brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-card .brand p {
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* ── Plan Cards ─────────────────────────────────────────────────── */
.plan-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all var(--transition);
    position: relative;
}

.plan-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.plan-card .plan-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.plan-card .plan-price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 16px;
}

.plan-card .plan-price span {
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--text-muted);
}

.plan-features {
    list-style: none;
    margin-bottom: 20px;
}

.plan-features li {
    padding: 6px 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.plan-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
}

/* ── Sidebar Toggle Button ──────────────────────────────────────── */
.sidebar-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(168, 85, 247, 0.12));
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-sm);
    padding: 10px 11px;
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1;
    min-width: 40px;
    min-height: 36px;
}

.sidebar-toggle .toggle-bar {
    display: block;
    width: 18px;
    height: 2px;
    background: linear-gradient(90deg, #818cf8, #c084fc);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.sidebar-toggle:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 0 16px rgba(99, 102, 241, 0.15);
    transform: scale(1.05);
}

.sidebar-toggle:hover .toggle-bar {
    background: linear-gradient(90deg, #a5b4fc, #d8b4fe);
}

/* Animated X state when sidebar is open */
.sidebar-toggle.active .toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.sidebar-toggle.active .toggle-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.sidebar-toggle.active .toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}




/* ── Sidebar Overlay (mobile backdrop) ─────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    backdrop-filter: blur(4px);
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 8px 0 30px rgba(0, 0, 0, 0.4);
    }
    .sidebar-overlay.open {
        display: block;
    }
    .main-content { margin-left: 0 !important; }
    body.sidebar-collapsed .sidebar {
        transform: translateX(-100%);
    }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .page-body { padding: 20px 16px; }
    .page-header { padding: 12px 16px; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .filter-bar { flex-direction: column; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
}