:root {
  --primary: #4AADE5;
  --primary-dark: #1B3A5C;
  --secondary: #2ECC71;
  --secondary-dark: #27AE60;
  --bg: #F5F7FA;
  --text: #333;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', 'Microsoft JhengHei', sans-serif;
}

/* Navbar */
.navbar {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary)) !important;
}

.navbar-brand, .nav-link {
  color: #fff !important;
}

.nav-link:hover {
  color: rgba(255, 255, 255, 0.8) !important;
}

.navbar-toggler-icon {
  filter: invert(1);
}

/* Buttons */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}

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

.btn-success {
  background-color: var(--secondary);
  border-color: var(--secondary);
}

.btn-success:hover {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
}

/* Cards */
.card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  border-radius: 12px 12px 0 0 !important;
  font-weight: 600;
}

/* Dashboard stats */
.stat-card {
  text-align: center;
  padding: 1.5rem;
}

.stat-card .stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.stat-card .stat-label {
  color: #666;
  font-size: 0.9rem;
}

/* Visit status badges */
.badge-scheduled {
  background-color: #FFC107;
  color: #333;
}

.badge-visited {
  background-color: #28A745;
  color: #fff;
}

.badge-cancelled {
  background-color: #DC3545;
  color: #fff;
}

/* Flash messages */
.alert {
  border-radius: 8px;
}

/* Status dots */
.status-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-on-dplus {
  background-color: #7DD3FC;
  box-shadow: 0 0 6px #7DD3FC;
}

.dot-on-his {
  background-color: #4AADE5;
  box-shadow: 0 0 6px #4AADE5;
}

.dot-on-shareholder {
  background-color: #1B3A5C;
  box-shadow: 0 0 6px #1B3A5C;
}

.dot-off {
  background-color: #ddd;
}

/* Calendar */
.calendar-table {
  table-layout: fixed;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
}

.calendar-table th {
  background: var(--primary-dark);
  color: #fff;
  padding: 0.6rem 0.3rem;
  font-size: 0.85rem;
}

.calendar-table .time-col {
  width: 70px;
  font-size: 0.8rem;
  vertical-align: middle;
  text-align: center;
}

.calendar-table thead .time-col {
  color: #fff;
}

.calendar-table .day-col {
  min-width: 110px;
}

.calendar-cell {
  height: 60px;
  vertical-align: top;
  padding: 2px !important;
  cursor: pointer;
  transition: background 0.15s;
}

.calendar-cell:hover {
  background-color: #E3F2FD;
}

/* Visit cards in calendar */
.visit-card {
  padding: 3px 6px;
  border-radius: 4px;
  margin-bottom: 2px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: transform 0.1s;
}

.visit-card:hover {
  transform: scale(1.02);
}

.visit-card-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.visit-scheduled {
  background-color: #FFF3CD;
  border-left: 3px solid #FFC107;
}

.visit-visited {
  background-color: #D4EDDA;
  border-left: 3px solid #28A745;
}

.visit-cancelled {
  background-color: #F8F9FA;
  border-left: 3px solid #DC3545;
  color: #999;
  text-decoration: line-through;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 1rem 0;
  margin-top: 3rem;
}