/* ===== CSS Variables / Design System ===== */
:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --bg-card-hover: #1a2745;
  --bg-modal: #1a1a2e;
  --bg-input: #0f0f1a;
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a80;
  --accent-blue: #4f8cff;
  --accent-blue-hover: #6ba0ff;
  --accent-green: #00d9a6;
  --accent-green-hover: #00f0b8;
  --accent-red: #ff4d6a;
  --accent-red-hover: #ff6680;
  --accent-orange: #ffaa33;
  --accent-purple: #b44dff;
  --border-color: #2a2a45;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --gradient-blue: linear-gradient(135deg, #4f8cff, #3a6cd4);
  --gradient-green: linear-gradient(135deg, #00d9a6, #00b88c);
  --gradient-red: linear-gradient(135deg, #ff4d6a, #d93a55);
  --gradient-header: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* ===== Header ===== */
.header {
  background: var(--gradient-header);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.logo-icon {
  font-size: 2rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-4px);
  }
}

.logo h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff, #a0a0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.header-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.swagger-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.78rem;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.swagger-link:hover {
  color: var(--accent-blue);
  border-color: var(--accent-blue);
  background: rgba(79, 140, 255, 0.08);
}

/* ===== Tab Navigation ===== */
.tab-nav {
  max-width: 1400px;
  margin: 24px auto 0;
  padding: 0 32px;
  display: flex;
  gap: 8px;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.tab-btn.active {
  color: var(--accent-blue);
  background: var(--bg-card);
  border-color: var(--accent-blue);
  border-bottom: 2px solid var(--bg-card);
  margin-bottom: -1px;
}

.tab-icon {
  font-size: 1.1rem;
}

.tab-count {
  background: rgba(79, 140, 255, 0.15);
  color: var(--accent-blue);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
  min-width: 24px;
  text-align: center;
}

/* ===== Main Content ===== */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px 48px;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-header h2 {
  font-size: 1.3rem;
  font-weight: 600;
}

/* ===== Cards Grid ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-blue);
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 140, 255, 0.3);
  box-shadow: var(--shadow-card);
}

.card:hover::before {
  opacity: 1;
}

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

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-id {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 8px;
  border-radius: 6px;
}

.card-badge {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 500;
  white-space: nowrap;
}

.badge-yes {
  background: rgba(0, 217, 166, 0.12);
  color: var(--accent-green);
}

.badge-no {
  background: rgba(255, 77, 106, 0.12);
  color: var(--accent-red);
}

.badge-status {
  background: rgba(79, 140, 255, 0.12);
  color: var(--accent-blue);
}

.card-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0;
}

.detail {
  padding: 4px 0;
}

.detail-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.detail-value {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

/* ===== Buttons ===== */
.btn-primary {
  background: var(--gradient-blue);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  box-shadow: 0 4px 16px rgba(79, 140, 255, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  flex: 1;
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(79, 140, 255, 0.06);
}

.btn-danger {
  background: transparent;
  color: var(--accent-red);
  border: 1px solid rgba(255, 77, 106, 0.3);
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  flex: 1;
}

.btn-danger:hover {
  background: rgba(255, 77, 106, 0.1);
  border-color: var(--accent-red);
}

/* ===== Search ===== */
.search-form {
  display: flex;
  gap: 12px;
  background: var(--bg-card);
  padding: 16px;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.search-form input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
}

.search-form input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.1);
}

.search-category-title {
  margin: 24px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  font-size: 1.1rem;
  color: var(--text-primary);
}

/* ===== Modal ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 28px;
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(8px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

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

.modal-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
}

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

.modal-close:hover {
  color: var(--accent-red);
}

.form-group {
  margin-bottom: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 5px;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.1);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-blue);
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  justify-content: flex-end;
}

.modal-actions .btn-secondary,
.modal-actions .btn-primary {
  flex: unset;
  padding: 10px 24px;
}

/* ===== Loading & Empty States ===== */
.loading {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 0.95rem;
  grid-column: 1 / -1;
}

.empty-state {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.empty-state h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  max-width: 360px;
}

.toast.success {
  background: rgba(0, 217, 166, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(0, 217, 166, 0.3);
}

.toast.error {
  background: rgba(255, 77, 106, 0.15);
  color: var(--accent-red);
  border: 1px solid rgba(255, 77, 106, 0.3);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(24px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
    transform: translateY(8px);
  }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .header {
    padding: 12px 16px;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-links {
    width: 100%;
  }

  .tab-nav {
    padding: 0 16px;
    overflow-x: auto;
  }

  .tab-btn {
    padding: 10px 14px;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .main-content {
    padding: 0 16px 32px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}