/* ============================================
   BOC — Business Operations Center
   Enterprise Design System
   ============================================ */

:root {
  /* Brand — Landvex Blue */
  --brand: #0066FF;
  --brand-dark: #0052CC;
  --brand-light: #4D94FF;
  --brand-glow: rgba(0, 102, 255, 0.15);

  /* Neutral Scale */
  --neutral-0: #ffffff;
  --neutral-50: #f8f9fa;
  --neutral-100: #f1f3f5;
  --neutral-200: #e9ecef;
  --neutral-300: #dee2e6;
  --neutral-400: #ced4da;
  --neutral-500: #adb5bd;
  --neutral-600: #868e96;
  --neutral-700: #495057;
  --neutral-800: #343a40;
  --neutral-900: #212529;
  --neutral-1000: #0f172a;

  /* Semantic */
  --success: #40c057;
  --warning: #fcc419;
  --danger: #fa5252;
  --info: #339af0;

  /* Surfaces */
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-hover: #f8f9fa;
  --sidebar-bg: #0f172a;

  /* Text */
  --text: #1d1d1f;
  --text-secondary: #6B6B6B;
  --text-muted: #868e96;
  --text-inverse: #ffffff;

  /* Borders */
  --border: rgba(0,0,0,0.08);
  --border-strong: #e9ecef;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   LOGIN PAGE
   ============================================ */

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.login-box {
  background: var(--surface);
  padding: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 400px;
}

.login-logo {
  width: 48px;
  height: 48px;
  background: var(--brand);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.login-logo svg {
  width: 24px;
  height: 24px;
  color: white;
}

.login-box h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.login-box .subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

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

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

.btn-primary {
  width: 100%;
  padding: 14px;
  background: var(--brand);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

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

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.login-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.login-footer a {
  color: var(--brand);
  text-decoration: none;
  font-weight: 500;
}

.error-msg {
  background: #fff5f5;
  color: var(--danger);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 14px;
  border: 1px solid rgba(250, 82, 82, 0.2);
  display: none;
}

.error-msg.show {
  display: block;
}

/* ============================================
   APP LAYOUT
   ============================================ */

.app {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: var(--text-inverse);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 24px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo svg {
  width: 28px;
  height: 28px;
  color: var(--brand);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
}

.sidebar-nav a:hover {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
}

.sidebar-nav a.active {
  background: var(--brand);
  color: white;
}

.sidebar-nav svg {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

.sidebar-nav a.active svg {
  opacity: 1;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.sidebar-footer button {
  width: 100%;
  margin-top: 12px;
  padding: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.sidebar-footer button:hover {
  background: rgba(255,255,255,0.1);
}

/* Main Content */
.main {
  flex: 1;
  margin-left: 240px;
  padding: 32px;
  max-width: 1400px;
}

.module-header {
  margin-bottom: 32px;
}

.module-header h1 {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 8px;
}

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

/* ============================================
   KPI CARDS
   ============================================ */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.kpi-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: box-shadow 0.15s, transform 0.1s;
}

.kpi-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--brand-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.kpi-icon svg {
  width: 20px;
  height: 20px;
  color: var(--brand);
}

.kpi-value {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 4px;
}

.kpi-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.kpi-trend {
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.kpi-trend.up {
  color: var(--success);
}

.kpi-trend.down {
  color: var(--danger);
}

/* ============================================
   PANELS
   ============================================ */

.panel {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.panel h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.toolbar h3 {
  margin: 0;
}

/* ============================================
   DASHBOARD GRID
   ============================================ */

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

/* ============================================
   QUICK ACTIONS
   ============================================ */

.quick-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.btn-action {
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-sans);
}

.btn-action:hover {
  background: var(--surface-hover);
  border-color: var(--brand);
  color: var(--brand);
}

/* ============================================
   ACTIVITY FEED
   ============================================ */

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

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

.list-item-main {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
}

.list-item-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.badge {
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge.success {
  background: rgba(64, 192, 87, 0.1);
  color: var(--success);
}

.badge.warning {
  background: rgba(252, 196, 25, 0.1);
  color: #d4a017;
}

.badge.danger {
  background: rgba(250, 82, 82, 0.1);
  color: var(--danger);
}

.badge.info {
  background: rgba(51, 154, 240, 0.1);
  color: var(--info);
}

/* ============================================
   AUTOMATION STATUS
   ============================================ */

.automation-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.automation-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

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

.automation-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.automation-indicator.active {
  background: var(--success);
}

.automation-indicator.warning {
  background: var(--warning);
}

.automation-indicator.danger {
  background: var(--danger);
}

.automation-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  flex: 1;
}

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

/* ============================================
   ALERTS
   ============================================ */

.alert {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  margin-bottom: 16px;
}

.alert-critical {
  background: rgba(250, 82, 82, 0.06);
  border: 1px solid rgba(250, 82, 82, 0.15);
  color: var(--danger);
}

.alert-warning {
  background: rgba(252, 196, 25, 0.06);
  border: 1px solid rgba(252, 196, 25, 0.15);
  color: #d4a017;
}

/* ============================================
   LIVE INDICATOR
   ============================================ */

#live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
}

#live-indicator::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ============================================
   MODAL
   ============================================ */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 24px 0;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text);
}

.modal-body {
  padding: 24px;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ============================================
   LOADING
   ============================================ */

.loading {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
  .kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main {
    margin-left: 0;
    padding: 16px;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .quick-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   TABLES
   ============================================ */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--neutral-50);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.data-table tr:hover td {
  background: var(--surface-hover);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--brand);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-link:hover {
  text-decoration: underline;
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--neutral-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neutral-400);
}