/*
 * DOMINION Client Portal - Dark Enterprise Design System
 * BLACK / WHITE / GREY ONLY
 */

:root {
  --bg-main: #0b0b0b;
  --bg-panel: #121212;
  --bg-panel-alt: #181818;
  --bg-input: #1a1a1a;
  --bg-hover: #222222;
  --bg-active: #2a2a2a;
  --border-subtle: #2e2e2e;
  --border-light: #3a3a3a;
  --text-primary: #ffffff;
  --text-secondary: #b5b5b5;
  --text-muted: #7a7a7a;
  --text-dim: #555555;
  --sidebar-width: 220px;
  --topbar-height: 52px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-family); background: var(--bg-main); color: var(--text-primary); line-height: 1.5; min-height: 100vh; }
a { color: var(--text-secondary); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--text-primary); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 500; color: var(--text-primary); }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.125rem; }
p { color: var(--text-secondary); }

/* Auth Layout */
.auth-layout { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg-main); padding: var(--spacing-lg); }
.auth-container { width: 100%; max-width: 380px; }
.auth-logo { text-align: center; margin-bottom: var(--spacing-xl); }
.auth-logo h1 { font-size: 1.5rem; font-weight: 600; letter-spacing: 0.15em; margin-bottom: var(--spacing-xs); }
.auth-logo p { font-size: 0.8125rem; color: var(--text-muted); letter-spacing: 0.05em; }
.auth-card { background: var(--bg-panel); border: 1px solid var(--border-subtle); padding: var(--spacing-xl); }
.auth-card h2 { font-size: 1rem; margin-bottom: var(--spacing-lg); }
.auth-footer { text-align: center; margin-top: var(--spacing-lg); font-size: 0.75rem; color: var(--text-dim); }

/* App Layout */
.app-layout { min-height: 100vh; }
.topbar { position: fixed; top: 0; left: 0; right: 0; height: var(--topbar-height); background: var(--bg-panel); border-bottom: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: space-between; padding: 0 var(--spacing-lg); z-index: 1000; }
.topbar-brand { font-size: 0.9375rem; font-weight: 600; letter-spacing: 0.1em; }
.topbar-right { display: flex; align-items: center; gap: var(--spacing-md); }
.topbar-user { display: flex; align-items: center; gap: var(--spacing-sm); color: var(--text-secondary); cursor: pointer; }
.topbar-user:hover { color: var(--text-primary); }
.topbar-user-icon { width: 28px; height: 28px; background: var(--bg-panel-alt); border: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; color: var(--text-muted); }
.mobile-toggle { display: none; background: none; border: none; color: var(--text-secondary); padding: var(--spacing-sm); cursor: pointer; font-size: 1.25rem; }
.mobile-toggle:hover { color: var(--text-primary); }

/* Sidebar */
.sidebar { position: fixed; top: var(--topbar-height); left: 0; bottom: 0; width: var(--sidebar-width); background: var(--bg-panel); border-right: 1px solid var(--border-subtle); overflow-y: auto; z-index: 900; }
.sidebar-nav { padding: var(--spacing-md) 0; }
.nav-section { padding: var(--spacing-sm) var(--spacing-md); }
.nav-section-title { font-size: 0.625rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); margin-bottom: var(--spacing-xs); }
.nav-item { display: flex; align-items: center; gap: var(--spacing-sm); padding: var(--spacing-sm) var(--spacing-md); color: var(--text-secondary); font-size: 0.8125rem; border-left: 2px solid transparent; transition: all 0.15s; }
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: var(--bg-active); color: var(--text-primary); border-left-color: var(--text-muted); }
.nav-icon { width: 16px; opacity: 0.7; }

/* Main Content */
.main-wrapper { margin-left: var(--sidebar-width); margin-top: var(--topbar-height); min-height: calc(100vh - var(--topbar-height)); }
.main-content { padding: var(--spacing-lg); max-width: 1400px; }
.page-header { margin-bottom: var(--spacing-lg); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--spacing-md); }
.page-title { font-size: 1.25rem; font-weight: 500; }
.page-subtitle { font-size: 0.8125rem; color: var(--text-muted); margin-top: var(--spacing-xs); }
.page-actions { display: flex; gap: var(--spacing-sm); }

/* Cards */
.card { background: var(--bg-panel); border: 1px solid var(--border-subtle); margin-bottom: var(--spacing-lg); }
.card-header { padding: var(--spacing-md); border-bottom: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: space-between; }
.card-title { font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.02em; }
.card-body { padding: var(--spacing-md); }
.card-footer { padding: var(--spacing-md); border-top: 1px solid var(--border-subtle); }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); margin-bottom: var(--spacing-lg); }
.stat-card { background: var(--bg-panel); border: 1px solid var(--border-subtle); padding: var(--spacing-md); }
.stat-value { font-size: 1.75rem; font-weight: 600; line-height: 1; margin-bottom: var(--spacing-xs); }
.stat-label { font-size: 0.6875rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* Content Grid */
.content-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }

/* Tables */
.table-wrapper { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; padding: var(--spacing-sm) var(--spacing-md); font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); background: var(--bg-panel-alt); border-bottom: 1px solid var(--border-subtle); }
.table td { padding: var(--spacing-sm) var(--spacing-md); font-size: 0.8125rem; color: var(--text-secondary); border-bottom: 1px solid var(--border-subtle); }
.table tr:hover td { background: var(--bg-hover); }
.table-empty { text-align: center; padding: var(--spacing-xl); color: var(--text-muted); font-size: 0.8125rem; }

/* Forms */
.form-group { margin-bottom: var(--spacing-md); }
.form-label { display: block; font-size: 0.6875rem; font-weight: 500; color: var(--text-secondary); margin-bottom: var(--spacing-xs); text-transform: uppercase; letter-spacing: 0.03em; }
.form-input, .form-select, .form-textarea { width: 100%; padding: var(--spacing-sm) var(--spacing-md); font-size: 0.875rem; font-family: var(--font-family); color: var(--text-primary); background: var(--bg-input); border: 1px solid var(--border-subtle); }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--border-light); }
.form-input::placeholder { color: var(--text-dim); }
.form-textarea { min-height: 100px; resize: vertical; }
.form-checkbox { display: flex; align-items: center; gap: var(--spacing-sm); cursor: pointer; }
.form-checkbox input[type="checkbox"] { width: 14px; height: 14px; accent-color: var(--text-muted); }
.form-checkbox span { font-size: 0.8125rem; color: var(--text-secondary); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-sm); padding: var(--spacing-sm) var(--spacing-md); font-size: 0.8125rem; font-weight: 500; font-family: var(--font-family); cursor: pointer; border: 1px solid var(--border-subtle); background: var(--bg-panel); color: var(--text-secondary); transition: all 0.15s; }
.btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border-light); }
.btn-primary { background: var(--text-primary); color: var(--bg-main); border-color: var(--text-primary); }
.btn-primary:hover { background: var(--text-secondary); border-color: var(--text-secondary); }
.btn-sm { padding: var(--spacing-xs) var(--spacing-sm); font-size: 0.75rem; }
.btn-block { width: 100%; }

/* Status */
.status { display: inline-flex; align-items: center; gap: var(--spacing-xs); font-size: 0.6875rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.03em; }
.status-dot { width: 6px; height: 6px; background: var(--text-dim); }
.status-online .status-dot { background: var(--text-primary); }
.status-offline .status-dot { background: var(--text-dim); }
.status-text { color: var(--text-muted); }
.badge { display: inline-block; padding: 2px var(--spacing-sm); font-size: 0.625rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; background: var(--bg-panel-alt); color: var(--text-muted); border: 1px solid var(--border-subtle); }

/* Alerts */
.alert { padding: var(--spacing-md); border: 1px solid var(--border-subtle); background: var(--bg-panel-alt); margin-bottom: var(--spacing-md); font-size: 0.8125rem; color: var(--text-secondary); }
.empty-state { text-align: center; padding: var(--spacing-xl); color: var(--text-muted); font-size: 0.8125rem; }

/* Device List */
.device-row { display: flex; align-items: center; gap: var(--spacing-md); }
.device-icon { width: 32px; height: 32px; background: var(--bg-panel-alt); border: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 0.75rem; flex-shrink: 0; }
.device-info { flex: 1; min-width: 0; }
.device-name { font-weight: 500; color: var(--text-primary); }
.device-meta { font-size: 0.75rem; color: var(--text-muted); }

/* Detail View */
.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }
.detail-section { margin-bottom: var(--spacing-lg); }
.detail-section-title { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: var(--spacing-md); padding-bottom: var(--spacing-sm); border-bottom: 1px solid var(--border-subtle); }
.detail-row { display: flex; justify-content: space-between; padding: var(--spacing-sm) 0; border-bottom: 1px solid var(--border-subtle); }
.detail-label { font-size: 0.8125rem; color: var(--text-muted); }
.detail-value { font-size: 0.8125rem; color: var(--text-primary); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu { position: absolute; top: 100%; right: 0; min-width: 160px; background: var(--bg-panel); border: 1px solid var(--border-subtle); z-index: 1100; display: none; }
.dropdown.open .dropdown-menu { display: block; }
.dropdown-item { display: block; padding: var(--spacing-sm) var(--spacing-md); font-size: 0.8125rem; color: var(--text-secondary); }
.dropdown-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.dropdown-divider { border-top: 1px solid var(--border-subtle); margin: var(--spacing-xs) 0; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.85); display: flex; align-items: center; justify-content: center; z-index: 2000; padding: var(--spacing-lg); }
.modal { background: var(--bg-panel); border: 1px solid var(--border-subtle); width: 100%; max-width: 480px; }
.modal-header { padding: var(--spacing-md); border-bottom: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 0.9375rem; font-weight: 500; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1.25rem; }
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: var(--spacing-md); }
.modal-footer { padding: var(--spacing-md); border-top: 1px solid var(--border-subtle); display: flex; justify-content: flex-end; gap: var(--spacing-sm); }

/* Pagination */
.pagination { display: flex; gap: var(--spacing-xs); }
.pagination-item { min-width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; font-size: 0.8125rem; color: var(--text-muted); border: 1px solid var(--border-subtle); background: var(--bg-panel); }
.pagination-item:hover { color: var(--text-primary); border-color: var(--border-light); }
.pagination-item.active { color: var(--bg-main); background: var(--text-primary); border-color: var(--text-primary); }

/* Utilities */
.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.w-full { width: 100%; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-mono { font-family: var(--font-mono); }

/* Mobile */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .content-grid, .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .sidebar { transform: translateX(-100%); transition: transform 0.2s; width: 260px; }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .main-content { padding: var(--spacing-md); }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); }
  .stat-card { padding: var(--spacing-sm); }
  .stat-value { font-size: 1.25rem; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .page-actions { width: 100%; }
  .page-actions .btn { flex: 1; }
  .table th, .table td { padding: var(--spacing-xs) var(--spacing-sm); font-size: 0.75rem; }
}

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

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--border-subtle); }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }