/* Precad Takip - Modern Tema */
:root {
  --primary: #0f766e;
  --primary-dark: #0d5c55;
  --primary-light: #14b8a6;
  --primary-glow: rgba(15, 118, 110, 0.15);
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --bs-primary: #0f766e;
  --bs-primary-rgb: 15, 118, 110;
  --bg-app: #f8fafc;
  --bg-sidebar: #0f172a;
  --bg-sidebar-hover: rgba(255,255,255,0.06);
  --bg-card: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -2px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.06), 0 4px 6px -4px rgba(0,0,0,0.04);
  --transition: 0.15s ease;
}

* { box-sizing: border-box; }
body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  margin: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }

/* Sidebar - Light */
.app-sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 280px;
  background: #fff;
  color: var(--text-primary);
  z-index: 1000;
  overflow-y: auto;
  box-shadow: 2px 0 16px rgba(0,0,0,0.06);
}
.app-sidebar .brand {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.app-sidebar .brand-link {
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-sidebar .brand-logo {
  max-height: 44px;
  width: auto;
  display: block;
}
.app-sidebar .nav-section { padding: 20px 0; }
.app-sidebar .nav-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  padding: 0 24px 12px;
  font-weight: 600;
}
.app-sidebar .nav-link {
  display: flex;
  align-items: center;
  padding: 12px 24px;
  color: var(--text-secondary);
  transition: all var(--transition);
  margin: 0 12px;
  border-radius: var(--radius-sm);
}
.app-sidebar .nav-link:hover {
  background: #f1f5f9;
  color: var(--text-primary);
}
.app-sidebar .nav-link.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff !important;
  box-shadow: 0 4px 12px var(--primary-glow);
}
.app-sidebar .nav-link.active:hover,
.app-sidebar .nav-link.active * { color: #fff !important; }
.app-sidebar .nav-link span.icon {
  width: 24px;
  margin-right: 12px;
  font-size: 1.1rem;
  opacity: 0.9;
}
.app-sidebar {
  display: flex;
  flex-direction: column;
}
.app-sidebar .sidebar-nav-scroll {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}
.app-sidebar .sidebar-bottom {
  flex-shrink: 0;
  padding: 16px;
  border-top: 1px solid var(--border);
  background: #fafbfc;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.app-sidebar .sidebar-rate-box {
  background: linear-gradient(135deg, rgba(15,118,110,0.15) 0%, rgba(20,184,166,0.1) 100%);
  border: 1px solid rgba(15,118,110,0.3);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.app-sidebar .sidebar-rate-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}
.app-sidebar .sidebar-rate-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.app-sidebar .btn-rate-update {
  background: var(--primary);
  border: none;
  color: #fff;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  text-align: center;
  transition: all var(--transition);
}
.app-sidebar .btn-rate-update:hover {
  background: var(--primary-dark);
  color: #fff;
}
.app-sidebar .sidebar-footer {
  padding: 0;
}

/* Main */
.app-main {
  margin-left: 280px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #f8fafc;
}
.app-content {
  flex: 1;
  padding: 28px;
}

/* Page titles */
h1, .page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

/* Cards - Modern */
.card {
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--bg-card);
  transition: all var(--transition);
  overflow: hidden;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  padding: 16px 20px;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.card-body { padding: 20px; }

/* Stat cards */
.stat-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff !important;
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition);
  border: none;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px var(--primary-glow);
}
.stat-card.accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
}
.stat-card * { color: #fff !important; }
.stat-card h5 {
  font-size: 0.8rem;
  opacity: 0.9;
  margin-bottom: 8px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-card .value { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; }
.stat-card small { opacity: 0.85; font-size: 0.8rem; }

/* Buttons */
.btn {
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border: none;
  box-shadow: 0 2px 8px var(--primary-glow);
  color: #fff !important;
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: 0 4px 12px var(--primary-glow);
  transform: translateY(-1px);
}
.btn-outline-primary {
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-success { border-radius: var(--radius-sm); }
.btn-danger { border-radius: var(--radius-sm); }
.btn-warning { border-radius: var(--radius-sm); }

/* Forms */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 10px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  outline: none;
}
.form-label { font-weight: 500; color: var(--text-secondary); }

/* Tables */
.table {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow);
}
.table thead th {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 14px 18px;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.table thead th * { color: #fff !important; }
.table tbody td {
  padding: 14px 18px;
  vertical-align: middle;
  color: var(--text-primary);
}
.table-hover tbody tr {
  transition: background var(--transition);
}
.table-hover tbody tr:hover {
  background: #f8fafc;
}

/* Nav tabs */
.nav-tabs {
  border: none;
  gap: 4px;
  margin-bottom: 20px;
}
.nav-tabs .nav-link {
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.nav-tabs .nav-link:hover {
  background: var(--border);
  color: var(--text-primary);
}
.nav-tabs .nav-link.active {
  background: var(--primary);
  color: #fff !important;
}
.nav-tabs .nav-link.active * { color: #fff !important; }

/* Alerts */
.alert {
  border-radius: var(--radius-sm);
  border: none;
  padding: 14px 18px;
}
.alert-success { background: #d1fae5; color: #065f46; }
.alert-danger { background: #fee2e2; color: #991b1b; }
.alert-warning { background: #fef3c7; color: #92400e; }
.alert-info { background: #dbeafe; color: #1e40af; }

/* Footer */
.app-footer {
  background: #f1f5f9;
  color: var(--text-secondary);
  padding: 18px 28px;
  font-size: 0.85rem;
  margin-top: auto;
  border-top: 1px solid var(--border);
}
.app-footer a { color: var(--primary); }
.app-footer a:hover { color: var(--primary-dark); }

/* List group */
.list-group-item {
  border-radius: var(--radius-sm) !important;
  margin-bottom: 4px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.list-group-item:hover { background: #f8fafc; }
.list-group-item-action:hover { background: #f1f5f9; }

/* Badges */
.badge {
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
}

/* Modal */
.modal-content {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.modal-header {
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
}
.modal-body { padding: 24px; }
.modal-footer {
  border-top: 1px solid var(--border);
  padding: 16px 24px;
}

/* Dashboard - Email/SMS cards */
.card.text-bg-light {
  background: var(--bg-card) !important;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.card.text-bg-light:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.row.mb-4 .card { border-radius: var(--radius); }
.row.mb-4 .card-body { padding: 20px; }
.row.mb-4 .card-title { font-size: 0.95rem; font-weight: 600; }
.row.mb-4 small { font-size: 0.8rem; }

/* Analysis cards */
.card .card-header.bg-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%) !important;
  border: none;
  color: #fff !important;
  font-weight: 600;
}
.card .card-header.bg-primary *,
.card .card-header.bg-gradient * { color: #fff !important; }
.card .card-header[style*="primary"],
.card .card-header[style*="gradient"] { color: #fff !important; }
.card .card-header[style*="primary"] *,
.card .card-header[style*="gradient"] * { color: #fff !important; }

/* Calendar */
.calendar { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); }
.calendar-day { height: 80px; vertical-align: top; cursor: pointer; transition: transform var(--transition); }
.calendar-day:hover { transform: scale(1.02); background: #f8fafc; }
.day-number { font-weight: 600; text-align: right; color: var(--text-secondary); }
.event { height: 6px; border-radius: 3px; margin-top: 2px; }
.bg-orange { background-color: #fd7e14 !important; color: #fff !important; }
.bg-danger { color: #fff !important; }
.bg-warning { color: #fff !important; }
.bg-success { color: #fff !important; }

/* Responsive */
@media (max-width: 991px) {
  .app-sidebar {
    width: 100%;
    height: auto;
    position: relative;
    box-shadow: none;
    padding-bottom: 0;
  }
  .app-sidebar .sidebar-bottom { padding: 16px; }
  .app-main { margin-left: 0; }
  .app-sidebar .sidebar-footer { position: relative; }
  .app-content { padding: 20px 16px; }
}