imetting/frontend/src/App.css

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

body {
  margin: 0;
  font-family: 'MiSans', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: transparent;
  color: #1e293b;
  line-height: 1.6;
}

.app {
  min-height: 100vh;
  width: 100%;
}

.ant-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.18s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease, color 0.22s ease;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.06);
}

.ant-btn:hover {
  transform: translateY(-1px);
}

.ant-btn:active {
  transform: translateY(0);
}

.ant-btn .anticon {
  font-size: 0.98em;
}

.ant-btn.ant-btn-default,
.ant-btn.ant-btn-dashed {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(148, 163, 184, 0.2);
  color: #294261;
}

.ant-btn.ant-btn-default:hover,
.ant-btn.ant-btn-dashed:hover {
  background: #ffffff;
  border-color: rgba(59, 130, 246, 0.28);
  color: #1d4ed8;
  box-shadow: 0 10px 24px rgba(59, 130, 246, 0.12);
}

.ant-btn.ant-btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 45%, #1e40af 100%);
  border-color: transparent;
  color: #fff;
}

.ant-btn.ant-btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 48%, #1d4ed8 100%);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.24);
}

.ant-btn.ant-btn-primary.ant-btn-dangerous,
.ant-btn.ant-btn-dangerous:not(.ant-btn-link):not(.ant-btn-text) {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 48%, #b91c1c 100%);
  border-color: transparent;
  color: #fff;
}

.ant-btn.ant-btn-primary.ant-btn-dangerous:hover,
.ant-btn.ant-btn-dangerous:not(.ant-btn-link):not(.ant-btn-text):hover {
  box-shadow: 0 14px 28px rgba(220, 38, 38, 0.24);
}

.ant-btn.ant-btn-link,
.ant-btn.ant-btn-text {
  box-shadow: none;
  transform: none;
}

.ant-btn.ant-btn-link {
  padding-inline: 6px;
  color: #31568b;
}

.ant-btn.ant-btn-link:hover {
  color: #1d4ed8;
  background: rgba(37, 99, 235, 0.08);
}

.ant-btn.ant-btn-link.ant-btn-dangerous,
.ant-btn.ant-btn-text.ant-btn-dangerous {
  color: #dc2626;
}

.ant-btn.ant-btn-link.ant-btn-dangerous:hover,
.ant-btn.ant-btn-text.ant-btn-dangerous:hover {
  background: rgba(220, 38, 38, 0.08);
  color: #b91c1c;
}

.ant-btn.btn-soft-blue,
.ant-btn.ant-btn-primary.btn-soft-blue {
  background: linear-gradient(180deg, #f8fbff 0%, #eff6ff 100%);
  border-color: #bfdbfe;
  color: #1d4ed8;
  box-shadow: 0 10px 22px rgba(59, 130, 246, 0.12);
}

.ant-btn.btn-soft-blue:hover,
.ant-btn.ant-btn-primary.btn-soft-blue:hover {
  background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%);
  border-color: #93c5fd;
  color: #1d4ed8;
  box-shadow: 0 14px 26px rgba(59, 130, 246, 0.18);
}

.ant-btn.btn-soft-violet,
.ant-btn.ant-btn-primary.btn-soft-violet {
  background: linear-gradient(180deg, #faf5ff 0%, #f3e8ff 100%);
  border-color: #d8b4fe;
  color: #7c3aed;
  box-shadow: 0 10px 22px rgba(124, 58, 237, 0.12);
}

.ant-btn.btn-soft-violet:hover,
.ant-btn.ant-btn-primary.btn-soft-violet:hover {
  background: linear-gradient(180deg, #f3e8ff 0%, #e9d5ff 100%);
  border-color: #c084fc;
  color: #6d28d9;
  box-shadow: 0 14px 26px rgba(124, 58, 237, 0.18);
}

.ant-btn.btn-soft-green,
.ant-btn.ant-btn-primary.btn-soft-green {
  background: linear-gradient(180deg, #f0fdf4 0%, #dcfce7 100%);
  border-color: #86efac;
  color: #15803d;
  box-shadow: 0 10px 22px rgba(34, 197, 94, 0.12);
}

.ant-btn.btn-soft-green:hover,
.ant-btn.ant-btn-primary.btn-soft-green:hover {
  background: linear-gradient(180deg, #dcfce7 0%, #bbf7d0 100%);
  border-color: #4ade80;
  color: #166534;
  box-shadow: 0 14px 26px rgba(34, 197, 94, 0.18);
}

.ant-btn.btn-icon-soft-blue {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1d4ed8;
  box-shadow: none;
}

.ant-btn.btn-icon-soft-blue:hover {
  background: #dbeafe;
  border-color: #93c5fd;
  color: #1d4ed8;
}

.ant-btn.btn-icon-soft-red,
.ant-btn.ant-btn-dangerous.btn-icon-soft-red {
  background: #fff1f2;
  border-color: #fecdd3;
  color: #dc2626;
  box-shadow: none;
}

.ant-btn.btn-icon-soft-red:hover,
.ant-btn.ant-btn-dangerous.btn-icon-soft-red:hover {
  background: #ffe4e6;
  border-color: #fda4af;
  color: #b91c1c;
}

.ant-btn.ant-btn-link.btn-text-view,
.ant-btn.ant-btn-text.btn-text-view {
  color: #2563eb;
}

.ant-btn.ant-btn-link.btn-text-view:hover,
.ant-btn.ant-btn-text.btn-text-view:hover {
  background: rgba(37, 99, 235, 0.1);
  color: #1d4ed8;
}

.ant-btn.ant-btn-link.btn-text-edit,
.ant-btn.ant-btn-text.btn-text-edit {
  color: #0f766e;
}

.ant-btn.ant-btn-link.btn-text-edit:hover,
.ant-btn.ant-btn-text.btn-text-edit:hover {
  background: rgba(13, 148, 136, 0.1);
  color: #0f766e;
}

.ant-btn.ant-btn-link.btn-text-accent,
.ant-btn.ant-btn-text.btn-text-accent {
  color: #7c3aed;
}

.ant-btn.ant-btn-link.btn-text-accent:hover,
.ant-btn.ant-btn-text.btn-text-accent:hover {
  background: rgba(124, 58, 237, 0.1);
  color: #6d28d9;
}

.ant-btn.ant-btn-link.btn-text-delete,
.ant-btn.ant-btn-text.btn-text-delete,
.ant-btn.ant-btn-link.ant-btn-dangerous.btn-text-delete,
.ant-btn.ant-btn-text.ant-btn-dangerous.btn-text-delete {
  color: #dc2626;
}

.ant-btn.ant-btn-link.btn-text-delete:hover,
.ant-btn.ant-btn-text.btn-text-delete:hover,
.ant-btn.ant-btn-link.ant-btn-dangerous.btn-text-delete:hover,
.ant-btn.ant-btn-text.ant-btn-dangerous.btn-text-delete:hover {
  background: rgba(220, 38, 38, 0.1);
  color: #b91c1c;
}

.ant-btn.ant-btn-icon-only.ant-btn-text,
.ant-btn.ant-btn-icon-only.ant-btn-link {
  min-width: 36px;
}

.ant-btn-icon-only {
  min-width: 40px;
}

.app-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  color: #64748b;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #e2e8f0;
  border-top: 3px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  gap: 0.5rem;
}

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

.btn-primary {
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
}

.btn-primary:hover {
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}

.btn-secondary:hover {
  background: #e2e8f0;
}

/* Input Styles */
.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e1e5e9;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Card Styles */
.card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* Text Styles */
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-gray-500 { color: #64748b; }
.text-gray-600 { color: #475569; }
.text-gray-700 { color: #334155; }
.text-gray-900 { color: #0f172a; }