@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
  --dark-gradient: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  --surface-bg: #f8fafc;
  --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  --hover-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--surface-bg);
  color: #334155;
  -webkit-font-smoothing: antialiased;
}

/* Glassmorphic Navbar */
.navbar-custom {
  background: var(--dark-gradient) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.navbar-brand-gradient {
  background: linear-gradient(to right, #60a5fa, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Card Refinements */
.card-modern {
  border: none !important;
  border-radius: 12px !important;
  box-shadow: var(--card-shadow);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  background: #ffffff;
}

.card-modern:hover {
  box-shadow: var(--hover-shadow);
}

/* Form Styling */
.form-control, .form-select {
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  padding: 0.625rem 0.875rem;
  font-size: 0.95rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus, .form-select:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.btn-primary-gradient {
  background: var(--primary-gradient);
  border: none;
  color: #fff;
  border-radius: 8px;
  font-weight: 500;
  transition: opacity 0.2s ease, transform 0.1s ease;
}

.btn-primary-gradient:hover {
  opacity: 0.95;
  color: #fff;
  transform: translateY(-1px);
}

/* Metric Stats Cards */
.stat-card-widget {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background: #fff;
  padding: 1.25rem;
  box-shadow: var(--card-shadow);
}

.stat-card-widget::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
}

.stat-card-widget.stat-primary::before { background-color: #3b82f6; }
.stat-card-widget.stat-warning::before { background-color: #f59e0b; }
.stat-card-widget.stat-success::before { background-color: #10b981; }
.stat-card-widget.stat-danger::before  { background-color: #ef4444; }

/* Table Aesthetics */
.table-custom {
  border-collapse: separate;
  border-spacing: 0;
}

.table-custom thead th {
  background-color: #f1f5f9 !important;
  color: #475569;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  border-bottom: 1px solid #e2e8f0;
  padding: 0.875rem 1rem;
}

.table-custom tbody td {
  padding: 1rem;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.9rem;
}

.table-custom tbody tr:hover {
  background-color: #f8fafc;
}

/* Status Pill Badges */
.badge-pill-custom {
  padding: 0.35em 0.75em;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-pending { background-color: #fef3c7; color: #92400e; }
.badge-approved { background-color: #d1fae5; color: #065f46; }
.badge-rejected { background-color: #fee2e2; color: #991b1b; }

/* Timeline Stepper */
.stepper-wrapper {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: 1.5rem;
}

.stepper-wrapper::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 10%;
  right: 10%;
  height: 2px;
  background-color: #e2e8f0;
  z-index: 1;
}

.stepper-item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.stepper-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: #64748b;
  margin-bottom: 0.5rem;
  transition: all 0.2s ease;
}

.stepper-item.completed .stepper-icon {
  background: #10b981;
  border-color: #10b981;
  color: #fff;
}

.stepper-item.active .stepper-icon {
  background: #3b82f6;
  border-color: #3b82f6;
  color: #fff;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.stepper-item.rejected .stepper-icon {
  background: #ef4444;
  border-color: #ef4444;
  color: #fff;
}