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

/* ============ CSS 变量 ============ */
:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-glass: rgba(255, 255, 255, 0.06);

  --text-primary: #e8e8f0;
  --text-secondary: #8888aa;
  --text-muted: #555577;

  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.3);

  --success: #00cec9;
  --success-glow: rgba(0, 206, 201, 0.3);
  --warning: #fdcb6e;
  --danger: #ff6b6b;
  --danger-glow: rgba(255, 107, 107, 0.3);

  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);

  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.6);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
}

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

/* 动态背景 */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 20% 50%, rgba(108, 92, 231, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 206, 201, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(253, 203, 110, 0.04) 0%, transparent 50%);
  animation: bgFloat 20s ease-in-out infinite;
  z-index: -1;
}

@keyframes bgFloat {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  33% {
    transform: translate(2%, -2%) rotate(1deg);
  }

  66% {
    transform: translate(-1%, 1%) rotate(-1deg);
  }
}

/* ============ Layout ============ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px;
}

.header {
  text-align: center;
  padding: 40px 0 32px;
}

.header h1 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-light), var(--success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ============ Card ============ */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title .icon {
  font-size: 1.3rem;
}

/* ============ Form Elements ============ */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input,
select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input::placeholder {
  color: var(--text-muted);
}

select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #7c6cf0);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #55efc4);
  color: #0a0a1a;
  box-shadow: 0 4px 16px var(--success-glow);
}

.btn-success:hover {
  box-shadow: 0 6px 24px var(--success-glow);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #ff8787);
  color: #fff;
  box-shadow: 0 4px 16px var(--danger-glow);
}

.btn-danger:hover {
  box-shadow: 0 6px 24px var(--danger-glow);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: rgba(108, 92, 231, 0.1);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
  border-radius: var(--radius-xs);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ============ Form Row ============ */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

/* ============ Badge ============ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-pending {
  background: rgba(253, 203, 110, 0.15);
  color: var(--warning);
}

.badge-activated {
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent-light);
}

.badge-received {
  background: rgba(0, 206, 201, 0.15);
  color: var(--success);
}

.badge-expired {
  background: rgba(255, 107, 107, 0.15);
  color: var(--danger);
}

/* ============ Table ============ */
.table-wrap {
  overflow-x: auto;
  margin: 0 -8px;
  padding: 0 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th {
  text-align: left;
  padding: 12px 14px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  vertical-align: middle;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--accent-light);
}

/* ============ Toast ============ */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease-out;
  backdrop-filter: blur(20px);
}

.toast-success {
  border-left: 3px solid var(--success);
}

.toast-error {
  border-left: 3px solid var(--danger);
}

.toast-info {
  border-left: 3px solid var(--accent);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

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

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }

  to {
    opacity: 0;
    transform: translateX(30px);
  }
}

/* ============ Loading Spinner ============ */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ============ Client Page ============ */
.client-container {
  max-width: 480px;
  margin: 0 auto;
  padding: 40px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.client-card {
  width: 100%;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.client-card h2 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-light), var(--success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.client-card .subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.value-display {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.value-display .value {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 1px;
}

.value-display .copy-btn {
  padding: 8px 14px;
  background: rgba(108, 92, 231, 0.2);
  border: 1px solid rgba(108, 92, 231, 0.3);
  border-radius: var(--radius-xs);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.value-display .copy-btn:hover {
  background: rgba(108, 92, 231, 0.35);
}

.step-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 24px;
  margin-bottom: 8px;
}

.waiting-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.4;
    transform: scale(0.7);
  }
}

/* ============ Error & Empty States ============ */
.error-state,
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.error-state .icon,
.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.error-state h3 {
  color: var(--danger);
  margin-bottom: 8px;
}

/* ============ Login ============ */
.login-container {
  max-width: 420px;
  margin: 0 auto;
  padding: 60px 20px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 100%;
}

.login-card .btn {
  width: 100%;
  margin-top: 8px;
}

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

  .header h1 {
    font-size: 1.5rem;
  }

  .card {
    padding: 20px;
  }

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

  table {
    font-size: 0.8rem;
  }

  th,
  td {
    padding: 8px 10px;
  }
}

/* ============ Copy Animation ============ */
.copied {
  animation: copiedFlash 0.5s ease;
}

@keyframes copiedFlash {
  0% {
    background: rgba(0, 206, 201, 0.3);
  }

  100% {
    background: rgba(108, 92, 231, 0.2);
  }
}

/* ============ Fade In ============ */
.fade-in {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

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

/* ============ Skeleton Loading ============ */
.skeleton {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04) 25%, rgba(255, 255, 255, 0.08) 50%, rgba(255, 255, 255, 0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-xs);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* 隐藏 */
.hidden {
  display: none !important;
}

/* ============ Searchable Select ============ */
.search-select {
  position: relative;
  width: 100%;
}

/* 包含下拉选择器的表单卡片需要更高的 z-index */
.card:has(.search-select) {
  position: relative;
  z-index: 100;
  overflow: visible;
}

.search-select .ss-trigger {
  width: 100%;
  padding: 12px 36px 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-select .ss-trigger::after {
  content: '▾';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.8rem;
  pointer-events: none;
  transition: var(--transition);
}

.search-select.open .ss-trigger::after {
  transform: translateY(-50%) rotate(180deg);
}

.search-select .ss-trigger:hover,
.search-select.open .ss-trigger {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-select .ss-trigger .ss-placeholder {
  color: var(--text-muted);
}

.search-select .ss-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  overflow: hidden;
  animation: fadeIn 0.15s ease-out;
}

.search-select.open .ss-dropdown {
  display: block;
}

.search-select .ss-search-wrap {
  padding: 10px;
  border-bottom: 1px solid var(--border);
}

.search-select .ss-search {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.search-select .ss-search:focus {
  border-color: var(--accent);
}

.search-select .ss-search::placeholder {
  color: var(--text-muted);
}

.search-select .ss-list {
  max-height: 240px;
  overflow-y: auto;
  padding: 4px 0;
}

.search-select .ss-list::-webkit-scrollbar {
  width: 6px;
}

.search-select .ss-list::-webkit-scrollbar-track {
  background: transparent;
}

.search-select .ss-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.search-select .ss-item {
  padding: 10px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.15s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.search-select .ss-item:hover {
  background: rgba(108, 92, 231, 0.15);
}

.search-select .ss-item.selected {
  background: rgba(108, 92, 231, 0.2);
  color: var(--accent-light);
}

.search-select .ss-item .ss-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  margin-left: 12px;
}

.search-select .ss-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}