@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --font-sans: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette - Premium Bright & Indigo Accent (Matching jbba.akionz.com) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-light: rgba(79, 70, 229, 0.08);
  
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.08);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.08);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.08);
  
  --border-color: #e2e8f0;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 10px 30px -10px rgba(79, 70, 229, 0.1), 0 1px 3px rgba(0, 0, 0, 0.02);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}

/* Authentication Page / Login Layout */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  background: radial-gradient(circle at top right, rgba(79, 70, 229, 0.08), transparent 45%),
              radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.04), transparent 45%),
              var(--bg-primary);
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.02);
  animation: fadeIn 0.4s ease-out;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header h1 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 10px;
  letter-spacing: -0.03em;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.input-control {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
}

.input-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background: var(--bg-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background-color: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 20px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  gap: 8px;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.3);
}

.btn:active {
  transform: translateY(1px);
}

.error-message {
  background-color: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.15);
  color: var(--danger);
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 500;
}

/* Dashboard Layout */
.dashboard-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 40px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.9);
}

.navbar-brand {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.02em;
}

.navbar-brand .logo-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: white;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.2);
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.user-info strong {
  color: var(--text-primary);
}

.btn-outline-sm {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

.btn-outline-sm:hover {
  background: var(--bg-primary);
  color: var(--accent);
  border-color: var(--accent);
}

main.container {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Header & Welcome banner */
.welcome-banner {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(16, 185, 129, 0.02) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  margin-bottom: 32px;
}

.welcome-text h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.welcome-text p {
  color: var(--text-secondary);
  font-size: 0.925rem;
}

/* KPI Summary Cards Grid */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.summary-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
  transition: var(--transition);
}

.summary-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--glass-shadow);
}

.summary-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 600;
}

.summary-value {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.summary-meta {
  margin-top: 8px;
  font-size: 0.8rem;
  font-weight: 500;
}

.progress-bar-container {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 10px;
}

.progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.8s ease-in-out;
}

/* Budget Subject List Section */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.section-header h3 {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.budget-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
}

.budget-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
}

.budget-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 12px 24px rgba(79, 70, 229, 0.08);
}

.budget-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent);
}

.budget-card.warning::before {
  background: var(--warning);
}

.budget-card.danger::before {
  background: var(--danger);
}

.budget-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.budget-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  height: 38px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.5;
}

.budget-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
  background: var(--bg-primary);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: 500;
}

.stat-val {
  font-size: 0.95rem;
  font-weight: 700;
}

.stat-val.highlight {
  color: var(--text-primary);
}

.budget-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.rate-badge {
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
}

.rate-badge.success {
  background: var(--success-light);
  color: var(--success);
}
.rate-badge.warning {
  background: var(--warning-light);
  color: var(--warning);
}
.rate-badge.danger {
  background: var(--danger-light);
  color: var(--danger);
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 760px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 36px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  transform: scale(0.97);
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.modal-title h2 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: var(--transition);
}

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

.modal-section {
  margin-bottom: 28px;
}

.modal-section-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Simulator Form */
.check-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
}

.check-input-row {
  display: flex;
  gap: 12px;
}

.check-input-row .input-control {
  flex: 1;
  background: var(--bg-secondary);
}

.check-input-row .btn {
  width: auto;
  white-space: nowrap;
}

.check-result {
  margin-top: 16px;
  padding: 16px;
  border-radius: var(--radius-md);
  display: none;
  font-size: 0.9rem;
  animation: slideDown 0.22s ease;
  font-weight: 500;
}

.check-result.success {
  background: var(--success-light);
  color: #065f46;
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.check-result.warning {
  background: var(--warning-light);
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, 0.15);
}

.check-result.danger {
  background: var(--danger-light);
  color: #991b1b;
  border: 1px solid rgba(239, 68, 68, 0.15);
}

/* Custom Table for Transactions */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

table.transaction-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

table.transaction-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

table.transaction-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

table.transaction-table tr:last-child td {
  border-bottom: none;
}

.badge-status {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-status.complete {
  background: var(--success-light);
  color: var(--success);
}

.badge-status.pending {
  background: var(--warning-light);
  color: var(--warning);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  main.container {
    padding: 20px 16px;
  }
  
  .navbar {
    padding: 12px 20px;
  }
  
  .welcome-banner {
    padding: 20px;
  }
  
  .budget-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    padding: 20px;
    width: 95%;
  }
}

@media (max-width: 480px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }
  
  .login-card {
    padding: 28px 20px;
  }
  
  .check-input-row {
    flex-direction: column;
  }
  
  .check-input-row .btn {
    width: 100%;
  }
}