/* === Azerbaijan brand palette (mavi/qızıl) === */
:root {
  /* Primary: AZ sky blue */
  --primary: #0E5B96;
  --primary-hover: #0A4878;
  --primary-light: #1F7AC4;
  --primary-pale: #E6F1FB;
  --sky: #00A1D5;

  /* Gold accent */
  --gold: #C9A227;
  --gold-hover: #B08D1F;
  --gold-light: #E5BB3D;
  --gold-pale: #FCF6E3;

  /* Sidebar */
  --sidebar-bg: #0E2645;
  --sidebar-bg-hover: #173763;
  --sidebar-text: #B6C7DC;
  --sidebar-text-muted: #7A8DA8;
  --sidebar-text-active: #FFFFFF;
  --sidebar-accent: var(--gold-light);

  /* Surfaces */
  --content-bg: #F5F7FA;
  --card-bg: #FFFFFF;
  --topbar-bg: #FFFFFF;

  /* Borders + text */
  --border: #E2E8F0;
  --border-strong: #CBD5E1;
  --text: #1E293B;
  --text-muted: #64748B;
  --text-subtle: #94A3B8;

  /* Semantic */
  --success: #16A34A;
  --success-pale: #DCFCE7;
  --danger: #DC2626;
  --danger-pale: #FEE2E2;
  --warning: #D97706;
  --warning-pale: #FEF3C7;
  --info: #0284C7;
  --info-pale: #E0F2FE;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 38, 69, 0.06);
  --shadow: 0 2px 6px rgba(15, 38, 69, 0.08);
  --shadow-lg: 0 8px 24px rgba(15, 38, 69, 0.12);
  --shadow-xl: 0 20px 50px rgba(15, 38, 69, 0.18);

  /* Radius */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--content-bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--primary-pale); color: var(--primary); }

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

.app-sidebar {
  width: 260px;
  background: var(--sidebar-bg);
  background-image: linear-gradient(180deg, #0E2645 0%, #0A1E36 100%);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: relative;
}
.app-sidebar::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--gold) 30%, var(--gold) 70%, transparent);
  opacity: 0.4;
}

.sidebar-brand {
  padding: 22px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--sky) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 19px;
  box-shadow: 0 4px 12px rgba(0, 161, 213, 0.4);
  position: relative;
}
.brand-icon::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold-light);
  border: 2px solid var(--sidebar-bg);
}
.brand-text strong {
  color: #fff;
  display: block;
  font-size: 16px;
  letter-spacing: 0.2px;
}
.brand-text small {
  color: var(--sidebar-text-muted);
  font-size: 11px;
  letter-spacing: 0.3px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 12px 20px;
  overflow-y: auto;
}
.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  margin: 1px 0;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13.5px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}
.sidebar-nav .nav-link i {
  font-size: 16px;
  opacity: 0.85;
  width: 20px;
  text-align: center;
}
.sidebar-nav .nav-link:hover {
  background: var(--sidebar-bg-hover);
  color: #fff;
}
.sidebar-nav .nav-link.active {
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.18) 0%, rgba(201, 162, 39, 0.04) 100%);
  color: var(--sidebar-text-active);
  font-weight: 500;
  position: relative;
}
.sidebar-nav .nav-link.active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--gold-light);
  border-radius: 0 3px 3px 0;
}
.sidebar-nav .nav-link.active i {
  color: var(--gold-light);
  opacity: 1;
}
.nav-section {
  padding: 16px 14px 6px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--sidebar-text-muted);
  font-weight: 600;
}

/* Main */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-topbar {
  height: 64px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.95);
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.company-chip {
  background: var(--primary-pale);
  color: var(--primary);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(14, 91, 150, 0.15);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.lang-switcher {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--content-bg);
}
.lang-switcher a {
  padding: 5px 11px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all 0.15s;
}
.lang-switcher a:hover { color: var(--primary); }
.lang-switcher a.active {
  background: var(--primary);
  color: #fff;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  background: var(--content-bg);
  border-radius: 8px;
  font-size: 13px;
  border: 1px solid var(--border);
}
.user-chip i { color: var(--primary); font-size: 18px; }
.user-chip small {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
}

.btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 11px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.btn-logout:hover { background: var(--danger-pale); color: var(--danger); border-color: var(--danger); }

.app-content {
  flex: 1;
  padding: 28px;
}

.page-header {
  margin-bottom: 24px;
}
.page-header h1 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -0.3px;
  color: var(--text);
}
.page-header h1 i {
  color: var(--primary);
  margin-right: 8px;
}
.page-header p {
  color: var(--text-muted);
  font-size: 13.5px;
  margin: 0;
}

/* === Cards === */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  background: rgba(245, 247, 250, 0.5);
  border-bottom: 1px solid var(--border);
  padding: 13px 18px;
  font-size: 13px;
}
.card-body { padding: 18px; }
.card-footer {
  background: rgba(245, 247, 250, 0.5);
  border-top: 1px solid var(--border);
  padding: 13px 18px;
}

/* Stat cards */
.stat-card {
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--sky));
  opacity: 0;
  transition: opacity 0.2s;
}
.stat-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}
.stat-card:hover::before { opacity: 1; }
.stat-card .stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  font-weight: 600;
  margin-bottom: 8px;
}
.stat-card .stat-label i {
  color: var(--primary);
  margin-right: 4px;
}
.stat-card .stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}

/* === Tables === */
.table {
  margin-bottom: 0;
  font-size: 13.5px;
}
.table > thead {
  background: var(--content-bg);
}
.table > thead > tr > th {
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding: 11px 14px;
}
.table > tbody > tr > td {
  padding: 12px 14px;
  vertical-align: middle;
  border-bottom: 1px solid var(--border);
}
.table > tbody > tr:last-child > td { border-bottom: none; }
.table-hover > tbody > tr:hover {
  background: var(--primary-pale);
}
.table-light, .table-light > th, .table-light > td {
  background: var(--content-bg) !important;
}

/* === Forms === */
.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.1px;
}
.form-label.small { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); }

.form-control, .form-select {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-pale);
  outline: none;
}
.form-control-sm, .form-select-sm {
  padding: 6px 10px;
  font-size: 13px;
}
.form-control:read-only, .form-control[readonly] {
  background: var(--content-bg);
  color: var(--text-muted);
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* === Buttons === */
.btn {
  font-weight: 500;
  font-size: 13.5px;
  padding: 8px 16px;
  border-radius: 8px;
  letter-spacing: 0.1px;
  transition: all 0.15s ease;
  border-width: 1px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 5px 12px; font-size: 12.5px; }
.btn-lg { padding: 11px 22px; font-size: 15px; }

.btn-primary {
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary) 100%);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 1px 2px rgba(14, 91, 150, 0.2);
}
.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-hover) 100%);
  border-color: var(--primary-hover);
  color: #fff;
  box-shadow: 0 2px 8px rgba(14, 91, 150, 0.3);
}

.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { background: #15803D; border-color: #15803D; color: #fff; }

.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #fff; }

.btn-outline-primary { color: var(--primary); border-color: var(--border-strong); background: #fff; }
.btn-outline-primary:hover { background: var(--primary-pale); color: var(--primary); border-color: var(--primary); }

.btn-outline-secondary { color: var(--text-muted); border-color: var(--border-strong); background: #fff; }
.btn-outline-secondary:hover { background: var(--content-bg); color: var(--text); border-color: var(--border-strong); }

.btn-outline-danger { color: var(--danger); border-color: var(--border-strong); background: #fff; }
.btn-outline-danger:hover { background: var(--danger-pale); color: var(--danger); border-color: var(--danger); }

.btn-outline-success { color: var(--success); border-color: var(--border-strong); background: #fff; }
.btn-outline-success:hover { background: var(--success-pale); color: var(--success); border-color: var(--success); }

/* Btn group radio (segmented control) */
.btn-check:checked + .btn-outline-primary,
.btn-check:checked + .btn-outline-success,
.btn-check:checked + .btn-outline-danger {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}
.btn-check:checked + .btn-outline-success { background: var(--success); border-color: var(--success); }
.btn-check:checked + .btn-outline-danger { background: var(--danger); border-color: var(--danger); }

/* === Badges === */
.badge {
  font-weight: 600;
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 5px;
  letter-spacing: 0.2px;
}
.bg-success { background: var(--success) !important; }
.bg-danger { background: var(--danger) !important; }
.bg-warning { background: var(--warning) !important; }
.bg-info { background: var(--info) !important; color: #fff !important; }
.bg-light { background: var(--content-bg) !important; }
.bg-secondary { background: #94A3B8 !important; }

.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-primary { color: var(--primary) !important; }
.text-muted { color: var(--text-muted) !important; }

/* === Alerts === */
.alert {
  border-radius: var(--radius);
  border-width: 1px;
  border-style: solid;
  padding: 12px 16px;
  font-size: 13.5px;
}
.alert-success { background: var(--success-pale); border-color: #BBF7D0; color: #166534; }
.alert-danger { background: var(--danger-pale); border-color: #FECACA; color: #991B1B; }
.alert-warning { background: var(--warning-pale); border-color: #FDE68A; color: #92400E; }
.alert-info { background: var(--info-pale); border-color: #BAE6FD; color: #075985; }

/* === Progress === */
.progress {
  background: var(--content-bg);
  border-radius: 100px;
  height: 22px !important;
  overflow: hidden;
  border: 1px solid var(--border);
}
.progress-bar {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: width 0.4s ease;
}
.progress-bar.bg-success { background: linear-gradient(90deg, #15803D, var(--success)) !important; }
.progress-bar.bg-warning { background: linear-gradient(90deg, var(--warning), var(--gold-light)) !important; }
.progress-bar.bg-danger { background: linear-gradient(90deg, #991B1B, var(--danger)) !important; }

/* === Auth pages === */
.auth-page {
  background: linear-gradient(135deg, #0E2645 0%, #0A1E36 50%, #0E5B96 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.auth-page::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.auth-page::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 161, 213, 0.18) 0%, transparent 70%);
  border-radius: 50%;
}

.auth-lang {
  position: absolute;
  top: 24px;
  right: 24px;
  display: flex;
  gap: 6px;
  z-index: 2;
}
.auth-lang a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 8px;
  letter-spacing: 0.5px;
  transition: all 0.15s;
}
.auth-lang a:hover { color: #fff; }
.auth-lang a.active {
  background: rgba(255,255,255,0.12);
  color: var(--gold-light);
}

.auth-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 44px 40px 36px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}
.auth-brand {
  text-align: center;
  margin-bottom: 32px;
}
.auth-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--sky) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(14, 91, 150, 0.3);
  position: relative;
}
.auth-logo::after {
  content: '';
  position: absolute;
  bottom: -3px;
  right: -3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold-light);
  border: 3px solid #fff;
}
.auth-brand h1 {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 4px;
  letter-spacing: -0.4px;
  color: var(--text);
}
.auth-brand p {
  color: var(--text-muted);
  margin: 0;
  font-size: 13px;
}
.auth-card h2 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 22px;
  color: var(--text-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* === Error page === */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--content-bg);
}
.error-card {
  background: #fff;
  padding: 48px;
  border-radius: var(--radius-xl);
  text-align: center;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.error-card i {
  font-size: 56px;
  color: var(--warning);
  margin-bottom: 16px;
}
.error-card h1 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

/* === Code styling === */
code {
  background: var(--content-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--primary);
  font-family: 'JetBrains Mono', 'Monaco', 'Menlo', monospace;
}