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

:root {
  --primary: #4F46E5;
  --primary-light: #6366F1;
  --primary-dark: #4338CA;
  --success: #10B981;
  --success-light: #D1FAE5;
  --warning: #F59E0B;
  --warning-light: #FEF3C7;
  --danger: #EF4444;
  --danger-light: #FEE2E2;
  --bg: #F8FAFC;
  --card-bg: #FFFFFF;
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --border: #E2E8F0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --transition: 200ms ease-in-out;
}

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.navbar {
  background: var(--card-bg);
  box-shadow: var(--shadow);
  padding: 16px 32px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.logo h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 16px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(79, 70, 229, 0.1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

.hero {
  text-align: center;
  margin-bottom: 48px;
}

.hero h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .navbar-content {
    flex-direction: column;
    gap: 16px;
  }

  .hero h2 {
    font-size: 1.75rem;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon.primary {
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
}

.card-icon.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.card-icon.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.card-icon.danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
}

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--card-bg);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--danger);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 6px;
  display: none;
}

.form-error.show {
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

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

.btn-success:hover:not(:disabled) {
  background: #059669;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: #DC2626;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-full {
  width: 100%;
}

.stat-card {
  text-align: center;
  padding: 24px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-number.primary {
  color: var(--primary);
}

.stat-number.success {
  color: var(--success);
}

.stat-number.warning {
  color: var(--warning);
}

.stat-number.danger {
  color: var(--danger);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.application-item {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  transition: var(--transition);
}

.application-item:last-child {
  margin-bottom: 0;
}

.application-item:hover {
  border-color: var(--primary-light);
}

.application-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.application-info h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 4px;
}

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

.application-credits {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
}

.application-body {
  margin-bottom: 16px;
}

.application-description {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.application-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.application-date {
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.application-actions {
  display: flex;
  gap: 8px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.status-badge.pending {
  background: var(--warning-light);
  color: #B45309;
}

.status-badge.approved {
  background: var(--success-light);
  color: #047857;
}

.status-badge.rejected {
  background: var(--danger-light);
  color: #B91C1C;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 20px;
  border: 2px solid var(--border);
  border-radius: 25px;
  background: var(--card-bg);
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 16px 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn 300ms ease-out;
  min-width: 300px;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

.toast.removing {
  animation: slideOut 300ms ease-out forwards;
}

.toast-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast.success .toast-icon {
  background: var(--success-light);
  color: var(--success);
}

.toast.error .toast-icon {
  background: var(--danger-light);
  color: var(--danger);
}

.toast-message {
  flex: 1;
  font-weight: 500;
}

.container-narrow {
  max-width: 720px;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease-out, visibility 200ms ease-out;
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 32px;
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform 200ms ease-out;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.modal-footer {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  justify-content: flex-end;
}

.result-icon {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.result-icon.pending {
  background: var(--warning-light);
  color: var(--warning);
}

.result-icon.approved {
  background: var(--success-light);
  color: var(--success);
}

.result-icon.rejected {
  background: var(--danger-light);
  color: var(--danger);
}

.result-title {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}

.result-desc {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 32px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.detail-value {
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
}

.reject-reason-box {
  background: var(--bg);
  border-radius: 12px;
  padding: 16px;
  margin-top: 20px;
}

.reject-reason-box label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--danger);
}

.reject-reason-box p {
  color: var(--text-primary);
}

.top-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}

.ticket-item {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  transition: var(--transition);
  cursor: pointer;
}

.ticket-item:last-child {
  margin-bottom: 0;
}

.ticket-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
}

.ticket-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.ticket-info h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 4px;
}

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

.ticket-date {
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.btn-group {
  display: flex;
  gap: 12px;
}

.btn-group .btn {
  flex: 1;
}

.loading {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  .toast-container {
    left: 16px;
    right: 16px;
  }

  .toast {
    min-width: auto;
  }

  .application-header {
    flex-direction: column;
    gap: 12px;
  }

  .application-footer {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .application-actions {
    width: 100%;
  }

  .application-actions .btn {
    flex: 1;
  }

  .modal {
    padding: 24px;
  }

  .btn-group {
    flex-direction: column;
  }
}