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

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

:root {
  --bg-primary: #f0f2f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #fafbfc;
  --bg-hover: #f5f6f8;
  --bg-active: #eef1f5;

  --sidebar-bg: #1a2332;
  --sidebar-width: 220px;
  --sidebar-item-hover: #2a3a52;
  --sidebar-item-active: #3b82f6;
  --sidebar-text: #c4c9d4;
  --sidebar-text-active: #ffffff;
  --sidebar-icon-color: #8892a4;

  --header-height: 60px;
  --header-bg: #ffffff;
  --header-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);

  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: #eff6ff;

  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --primary-border: #bfdbfe;

  --accent: #6366f1;
  --accent-hover: #4f46e5;

  --success: #10b981;
  --success-light: #ecfdf5;
  --success-border: #a7f3d0;

  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --warning-border: #fde68a;

  --danger: #ef4444;
  --danger-light: #fef2f2;
  --danger-border: #fecaca;

  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-tertiary: #9ca3af;
  --text-placeholder: #c4c9d4;

  --border-color: #e5e7eb;
  --border-light: #f3f4f6;
  --border-radius: 8px;
  --border-radius-sm: 6px;
  --border-radius-lg: 12px;


  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

a {
  color: var(--primary);
  text-decoration: none;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #9ca3af; }

/* ===== Utility Classes ===== */
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }

.bg-success-light { background: var(--success-light); }
.bg-danger-light { background: var(--danger-light); }
.bg-warning-light { background: var(--warning-light); }
.bg-primary-light { background: var(--primary-light); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  font-size: 13px;
  line-height: 1;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35); }

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover { background: var(--bg-hover); border-color: #d1d5db; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #dc2626; box-shadow: 0 2px 8px rgba(239, 68, 68, 0.35); }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover { background: #059669; box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 11px 22px; font-size: 15px; }
.btn-icon { padding: 8px; width: 34px; height: 34px; }

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

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

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-label.required::after {
  content: ' *';
  color: var(--danger);
}

.form-input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.form-input::placeholder { color: var(--text-placeholder); }
.form-input:disabled { background: var(--bg-tertiary); cursor: not-allowed; }

textarea.form-input {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

/* ===== Card ===== */
.card {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: 20px;
}

/* ===== Table ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  padding: 10px 14px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1;
}

thead th:first-child { border-radius: var(--border-radius-sm) 0 0 0; }
thead th:last-child { border-radius: 0 var(--border-radius-sm) 0 0; }

tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

tbody tr {
  transition: background var(--transition-fast);
}

tbody tr:hover { background: var(--bg-hover); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:last-child td:first-child { border-radius: 0 0 0 var(--border-radius-sm); }
tbody tr:last-child td:last-child { border-radius: 0 0 var(--border-radius-sm) 0; }

.cell-green { background: var(--success-light) !important; color: var(--success) !important; font-weight: 500; padding: 2px 8px; border-radius: 4px; display: inline-block; }
.cell-gray { background: var(--bg-tertiary); color: var(--text-tertiary); padding: 2px 8px; border-radius: 4px; display: inline-block; }

/* Sortable columns */
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--primary); }
th.sortable::after { content: ''; display: inline-block; width: 0; height: 0; margin-left: 5px; vertical-align: middle; border: 4px solid transparent; border-top: 4px solid var(--text-tertiary); transition: transform var(--transition-fast); }
th.sort-asc::after { border-bottom: 4px solid var(--primary); border-top-color: transparent; }
th.sort-desc::after { border-top: 4px solid var(--primary); border-bottom-color: transparent; }

/* ===== Pagination ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-top: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text-secondary);
}

.pagination-info { flex-shrink: 0; }

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 13px;
}

.pagination-btn:hover:not(:disabled) { background: var(--bg-hover); border-color: #d1d5db; color: var(--text-primary); }
.pagination-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== Modal / Dialog ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.show { opacity: 1; }
.modal-overlay.hidden { display: none; }

.modal {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-spring);
}

.modal-overlay.show .modal { transform: scale(1) translateY(0); }

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-title { font-size: 16px; font-weight: 600; }

.modal-close {
  width: 30px;
  height: 30px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

/* ===== Slide Panel ===== */
/* (Removed - using modal instead) */

/* ===== Toast / Notification ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--primary);
  min-width: 280px;
  max-width: 360px;
  pointer-events: auto;
  animation: slideInRight 0.3s var(--transition-spring);
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

.toast-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast-icon svg { width: 100%; height: 100%; }
.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--primary); }

.toast-content { flex: 1; }

.toast-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 2px;
}

.toast-message { font-size: 13px; color: var(--text-secondary); }

@keyframes slideInRight {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

.toast.toast-out { animation: fadeOut 0.3s var(--transition-normal) forwards; }

/* ===== Search / Filter Bar ===== */
.filter-bar {
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.filter-item label {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.filter-item input[type="text"],
.filter-item input[type="number"],
.filter-item input[type="date"],
.filter-item select {
  padding: 6px 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: all var(--transition-fast);
  min-width: 130px;
}

.filter-item input[type="text"]:focus,
.filter-item input[type="number"]:focus,
.filter-item input[type="date"]:focus,
.filter-item select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.filter-item input[type="date"] { min-width: 130px; }
.filter-item input[type="number"] { min-width: 90px; }

.filter-range {
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-range span {
  color: var(--text-tertiary);
  font-size: 12px;
}

.date-shortcuts {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}

.date-shortcut-btn {
  padding: 2px 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.date-shortcut-btn:hover { border-color: var(--primary); color: var(--primary); }
.date-shortcut-btn.active { background: var(--primary-light); border-color: var(--primary-border); color: var(--primary); }

/* ===== Loading ===== */
.loading-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-tertiary);
  font-size: 13px;
  gap: 10px;
}

/* ===== Empty State ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
  text-align: center;
}

.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; opacity: 0.4; }
.empty-state p { font-size: 14px; }

/* ===== Badge ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.badge-green { background: var(--success-light); color: var(--success); }
.badge-red { background: var(--danger-light); color: var(--danger); }
.badge-blue { background: var(--primary-light); color: var(--primary); }
.badge-yellow { background: var(--warning-light); color: var(--warning); }
.badge-gray { background: var(--bg-tertiary); color: var(--text-tertiary); }

/* ===== Multi-select ===== */
.multi-select-wrapper {
  position: relative;
  min-width: 160px;
}

.multi-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  cursor: pointer;
  font-size: 13px;
  min-height: 34px;
  gap: 6px;
  transition: all var(--transition-fast);
}

.multi-select-trigger:hover { border-color: #d1d5db; }
.multi-select-trigger.open { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1); }

.multi-select-trigger-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
}

.multi-select-trigger-text.placeholder { color: var(--text-placeholder); }

.multi-select-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 100;
  max-height: 220px;
  overflow-y: auto;
  display: none;
}

.multi-select-dropdown.show { display: block; }

.multi-select-option {
  display: flex;
  align-items: center;
  padding: 7px 12px;
  cursor: pointer;
  font-size: 13px;
  transition: background var(--transition-fast);
}

.multi-select-option:hover { background: var(--bg-hover); }
.multi-select-option.selected { background: var(--primary-light); color: var(--primary); }

.multi-select-option input[type="checkbox"] { margin-right: 8px; accent-color: var(--primary); }

/* ===== Content Popup (for content display) ===== */
.content-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(3px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.content-popup-overlay.show { opacity: 1; }
.content-popup-overlay.hidden { display: none; }

.content-popup {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 700px;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transition: transform var(--transition-spring);
}

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

.content-popup-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.content-popup-header h3 { font-size: 15px; font-weight: 600; }

.content-popup-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.content-popup-body pre {
  white-space: pre-wrap;
  word-break: break-all;
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--text-primary);
  font-family: var(--font-mono);
  background: var(--bg-tertiary);
  padding: 16px;
  border-radius: var(--border-radius-sm);
  margin: 0;
}

.content-popup-body .customer-line {
  font-weight: bold;
}

/* ===== Responsive ===== */
  @media (max-width: 768px) {
    .filter-bar { gap: 8px; }
    .filter-item input[type="text"],
    .filter-item input[type="number"],
    .filter-item input[type="date"],
    .filter-item select { min-width: 110px; }
    .card-body { padding: 12px; }
    .table-wrapper { font-size: 12px; }
    thead th, tbody td { padding: 8px 10px; }
    .modal { width: 95%; max-width: 95%; }
  }

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up { animation: fadeInUp 0.35s ease-out; }

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

.slide-in-left { animation: slideInLeft 0.35s ease-out; }