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

:root {
  --primary: #2563EB;
  --primary-dark: #1E40AF;
  --primary-light: #DBEAFE;
  --primary-lighter: #EFF6FF;
  --primary-50: #F0F7FF;
  --success: #059669;
  --success-light: #D1FAE5;
  --warning: #D97706;
  --warning-light: #FEF3C7;
  --danger: #DC2626;
  --danger-light: #FEE2E2;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  --white: #FFFFFF;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --transition: all 0.2s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ==================== LOGIN PAGE ==================== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2563EB 0%, #1E40AF 50%, #1E3A8A 100%);
  padding: 20px;
}

.login-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.logo-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.logo-icon svg {
  width: 32px;
  height: 32px;
}

.logo-icon.small {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.logo-icon.small svg {
  width: 20px;
  height: 20px;
}

.login-logo h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.login-brand {
  text-align: center;
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.login-subtitle {
  text-align: center;
  color: var(--gray-400);
  font-size: 13px;
  margin-bottom: 32px;
}

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

.login-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.login-form input {
  width: 100%;
  padding: 11px 15px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition);
  background: var(--white);
}

.login-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* ==================== BUTTONS ==================== */
.btn {
  padding: 9px 18px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  background: var(--white);
  color: var(--gray-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn:hover {
  border-color: var(--gray-300);
  background: var(--gray-50);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-600);
  border-color: var(--gray-200);
}

.btn-block {
  width: 100%;
  padding: 12px;
}

.btn-text {
  background: transparent;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 14px;
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-text:hover {
  background: var(--primary-light);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 13px;
}

.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--danger-light);
  border-radius: var(--radius);
  text-align: center;
}

.login-hint {
  margin-top: 24px;
  padding: 16px;
  background: var(--primary-50);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--gray-500);
  text-align: center;
  border: 1px solid var(--primary-light);
}

.login-hint p {
  margin-bottom: 4px;
}

/* ==================== MAIN APP ==================== */
.main-app {
  min-height: 100vh;
  display: flex;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
  width: 64px;
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 200;
  transition: width 0.2s ease;
  overflow: hidden;
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0 8px 8px;
}

.sidebar-brand .logo-icon.small {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.sidebar-brand-text {
  font-size: 10px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

.sidebar-divider {
  width: 40px;
  height: 1px;
  background: var(--gray-200);
  margin: 6px 0;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  flex: 1;
  overflow-y: auto;
}

.sidebar-item {
  width: 48px;
  height: 44px;
  border: none;
  background: transparent;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  color: var(--gray-500);
  transition: all 0.15s ease;
  position: relative;
  font-size: 10px;
  font-weight: 500;
  font-family: inherit;
  padding: 4px;
}

.sidebar-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-item:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.sidebar-item.active {
  background: var(--primary-light);
  color: var(--primary);
}

.sidebar-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}

.sidebar-badge {
  position: absolute;
  top: 4px;
  right: 6px;
  background: var(--danger);
  color: white;
  font-size: 9px;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  padding-top: 8px;
  border-top: 1px solid var(--gray-200);
}

/* ==================== MAIN AREA ==================== */
.main-area {
  flex: 1;
  margin-left: 64px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 20px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.app-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-badge {
  font-size: 13px;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
}

/* ==================== CONTENT ==================== */
.app-content {
  padding: 16px 20px;
  max-width: 1600px;
  flex: 1;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== KPI ROW ==================== */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.kpi-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--primary);
  transition: var(--transition);
}

.kpi-card:hover {
  border-color: var(--gray-300);
}

.kpi-card.c-teal { border-left-color: var(--success); }
.kpi-card.c-coral { border-left-color: #D85A30; }
.kpi-card.c-purple { border-left-color: #7F77DD; }

.kpi-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

.kpi-card.c-teal .kpi-value { color: var(--success); }
.kpi-card.c-coral .kpi-value { color: #D85A30; }
.kpi-card.c-purple .kpi-value { color: #7F77DD; }

/* ==================== DASHBOARD TOOLBAR ==================== */
.dashboard-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
}

.dashboard-period-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.period-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  min-width: 160px;
  text-align: center;
}

.dashboard-custom-date {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid var(--gray-200);
}

.date-input {
  padding: 5px 8px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--gray-700);
  font-family: inherit;
}

.date-sep {
  font-size: 12px;
  color: var(--gray-400);
}

/* ==================== TOOLBAR ==================== */
.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 200px;
  padding: 9px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition);
  background: var(--white);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.filter-select {
  padding: 9px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 13px;
  background: var(--white);
  color: var(--gray-700);
  cursor: pointer;
  transition: var(--transition);
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary);
}

/* ==================== VIEW TOGGLE ==================== */
.view-toggle {
  display: flex;
  gap: 0;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  margin-left: auto;
}

.view-toggle button {
  padding: 7px 14px;
  border: none;
  background: var(--white);
  color: var(--gray-500);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.view-toggle button.active {
  background: var(--primary);
  color: var(--white);
}

.view-toggle button:not(.active):hover {
  background: var(--gray-50);
}

/* ==================== TABLE ==================== */
.table-wrapper {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--gray-300) var(--gray-50);
}

.table-scroll::-webkit-scrollbar {
  height: 8px;
}

.table-scroll::-webkit-scrollbar-track {
  background: var(--gray-50);
}

.table-scroll::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}

.table-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 800px;
}

.data-table.full-mode {
  min-width: 1800px;
}

.data-table thead {
  background: var(--primary-50);
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table th {
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-600);
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
  font-size: 13px;
}

.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-800);
  white-space: nowrap;
}

.data-table td.wrap-cell {
  white-space: normal;
  word-break: break-all;
  min-width: 150px;
  max-width: 250px;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: var(--primary-50);
}

.data-table .col-narrow {
  width: 60px;
  text-align: center;
}

.col-num { text-align: center; }
.col-rank { text-align: center; width: 60px; }

/* Frozen columns */
.col-frozen {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--white);
}

.data-table thead .col-frozen {
  z-index: 11;
  background: var(--primary-50);
}

.data-table tbody tr:hover .col-frozen {
  background: var(--primary-50);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-400);
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
}

.empty-state p {
  font-size: 14px;
  margin-bottom: 4px;
}

.empty-state .empty-hint {
  font-size: 12px;
  color: var(--gray-300);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  padding: 8px 0;
}

.pagination button {
  min-width: 36px;
  height: 36px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  color: var(--gray-600);
  font-weight: 500;
  transition: var(--transition);
  font-family: inherit;
}

.pagination button:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

.pagination button.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination .page-info {
  font-size: 12px;
  color: var(--gray-500);
  margin: 0 8px;
}

/* Scroll hint */
.scroll-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px;
  font-size: 12px;
  color: var(--gray-400);
  background: var(--gray-50);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.scroll-hint svg {
  width: 14px;
  height: 14px;
  animation: scrollPulse 1.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: translateX(0); opacity: 0.5; }
  50% { transform: translateX(4px); opacity: 1; }
}

/* ==================== PHONE LINK ==================== */
.phone-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary-dark);
  font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--primary-light);
  transition: var(--transition);
  white-space: nowrap;
}

.phone-link:hover {
  background: var(--primary);
  color: var(--white);
}

.phone-link svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.phone-masked {
  color: var(--gray-400);
  font-family: monospace;
}

.phone-empty {
  color: var(--gray-300);
}

/* ==================== STATUS BADGES ==================== */
.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.status-A { background: var(--success-light); color: var(--success); }
.status-B { background: var(--primary-light); color: var(--primary-dark); }
.status-C { background: var(--warning-light); color: var(--warning); }
.status-D { background: var(--danger-light); color: var(--danger); }
.status-subscribed { background: var(--success); color: var(--white); }

/* ==================== ACTION BUTTONS ==================== */
.action-btn {
  padding: 4px 10px;
  font-size: 12px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
  color: var(--primary);
  transition: var(--transition);
  margin-right: 4px;
}

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

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

.action-btn.danger:hover {
  background: var(--danger-light);
  border-color: var(--danger);
}

/* ==================== PAGINATION ==================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
  color: var(--gray-600);
}

.pagination button:hover:not(.active):not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination button.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  font-weight: 600;
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination span {
  padding: 0 4px;
  color: var(--gray-400);
}

/* ==================== FORMS ==================== */
.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  max-width: 900px;
  border: 1px solid var(--gray-200);
}

.form-card h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--gray-900);
}

.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 16px;
}

.form-group {
  flex: 1;
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.hint-text {
  font-size: 12px;
  color: var(--gray-400);
  font-weight: 400;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

/* ==================== REMINDERS ==================== */
.reminder-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.reminder-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
  border-top: 3px solid var(--primary);
  transition: var(--transition);
}

.reminder-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.reminder-card.reminder-day1 { border-top-color: var(--danger); }
.reminder-card.reminder-day3 { border-top-color: var(--warning); }
.reminder-card.reminder-day7 { border-top-color: var(--primary); }
.reminder-card.reminder-day15 { border-top-color: var(--success); }

.reminder-count {
  font-size: 32px;
  font-weight: 800;
  color: var(--gray-900);
}

.reminder-label {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ==================== METRICS & CHARTS ==================== */
.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--primary);
  transition: var(--transition);
}

.metric-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow);
}

.metric-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 6px;
  font-weight: 500;
}

.metric-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--gray-900);
}

.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.chart-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--gray-200);
}

.chart-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--gray-800);
}

.chart-card canvas {
  max-height: 280px;
}

/* ==================== FORM CARD ==================== */
.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  border: 1px solid var(--gray-200);
}

.form-card h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--gray-900);
}

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

.customer-form label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 5px;
}

.customer-form input,
.customer-form select,
.customer-form textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray-800);
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
}

.customer-form input:focus,
.customer-form select:focus,
.customer-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.customer-form .form-row {
  display: flex;
  gap: 16px;
}

.customer-form .form-row .form-group {
  flex: 1;
}

.required-star { color: var(--danger); font-weight: 700; }

.form-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-500);
  margin: 20px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-200);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}

.hint-text {
  font-size: 11px;
  color: var(--gray-400);
  font-weight: 400;
}

/* ==================== TOAST ==================== */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-800);
  color: white;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 13px;
  z-index: 9999;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  animation: toastIn 0.3s ease;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ==================== MODAL ==================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-content.modal-sm {
  max-width: 420px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 5;
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  border: none;
  background: transparent;
  font-size: 28px;
  cursor: pointer;
  color: var(--gray-400);
  line-height: 1;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

.modal-body {
  padding: 24px;
}

/* ==================== DETAIL VIEW ==================== */
.detail-row {
  display: flex;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
  gap: 16px;
}

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

.detail-label {
  width: 130px;
  font-weight: 600;
  color: var(--gray-500);
  flex-shrink: 0;
  font-size: 13px;
}

.detail-value {
  flex: 1;
  color: var(--gray-900);
  word-break: break-all;
}

.detail-phone-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
}

.detail-phone-row .detail-label {
  width: 130px;
}

.detail-phone-row .call-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--success);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.detail-phone-row .call-btn:hover {
  background: #047857;
  transform: scale(1.05);
}

.detail-phone-row .call-btn svg {
  width: 16px;
  height: 16px;
}

/* ==================== TEXT HELPERS ==================== */
.text-muted {
  color: var(--gray-300);
}

.action-cell {
  white-space: nowrap;
  display: flex;
  gap: 4px;
}

.action-cell .action-btn {
  margin-right: 0;
}

/* ==================== DASHBOARD MULTI-PERIOD ==================== */
.dashboard-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.dashboard-title-row h2 {
  margin: 0;
}

.period-select {
  padding: 6px 14px;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius);
  font-size: 13px;
  background: var(--primary);
  color: var(--white);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.period-select:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.period-select option {
  background: var(--white);
  color: var(--gray-800);
}

.dashboard-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.dashboard-actions .btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* ==================== ONSITE TEAM MANAGEMENT ==================== */
.onsite-teams-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}

.team-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: var(--transition);
}

.team-card:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}

.team-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.team-card-info {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.team-project {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
}

.team-group-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-light);
  color: var(--primary-dark);
  white-space: nowrap;
}

.team-card-actions {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.team-card-members {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
  min-height: 28px;
}

.member-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  font-size: 12px;
  color: var(--gray-700);
}

.member-remove {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0;
  margin-left: 2px;
  transition: var(--transition);
}

.member-remove:hover {
  color: var(--danger);
}

.team-card-stats {
  display: flex;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-100);
  font-size: 13px;
  color: var(--gray-600);
  flex-wrap: wrap;
}

.team-card-stats strong {
  color: var(--gray-800);
}

@media (max-width: 768px) {
  .onsite-teams-container {
    grid-template-columns: 1fr;
  }

  .dashboard-title-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .dashboard-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

/* ==================== TOAST ==================== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-900);
  color: var(--white);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 2000;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease;
}

@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 20px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ==================== TRUNCATE ==================== */
.truncate {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==================== WRAP CELL (full mode) ==================== */
.data-table td.wrap-cell {
  white-space: normal;
  word-break: break-all;
  min-width: 120px;
  max-width: 300px;
  line-height: 1.5;
}

/* ==================== COLUMN FILTER ROW ==================== */
.data-table .filter-row th {
  padding: 4px 6px;
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
  font-weight: 400;
}

.col-filter-select,
.sub-col-filter-select {
  width: 100%;
  padding: 4px 6px;
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  font-size: 12px;
  background: var(--white);
  color: var(--gray-700);
  cursor: pointer;
  max-width: 100%;
}

.col-filter-select:focus,
.sub-col-filter-select:focus {
  outline: none;
  border-color: var(--primary);
}

.col-filter-input,
.sub-col-filter-input {
  width: 100%;
  padding: 4px 6px;
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  font-size: 12px;
  background: var(--white);
  color: var(--gray-700);
}

.col-filter-input:focus,
.sub-col-filter-input:focus {
  outline: none;
  border-color: var(--primary);
}

.col-filter-input::placeholder,
.sub-col-filter-input::placeholder {
  color: var(--gray-300);
  font-size: 11px;
}

/* ==================== RESIZABLE COLUMNS ==================== */
.data-table th {
  position: relative;
}

.data-table th .col-resizer {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  cursor: col-resize;
  user-select: none;
  z-index: 5;
}

.data-table th .col-resizer:hover {
  background: var(--primary);
  opacity: 0.5;
}

/* ==================== SORTABLE TABLE HEADERS ==================== */
.sortable-th {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 20px !important;
}

.sortable-th:hover {
  background: var(--primary-light);
}

.sortable-th .sort-icon::after {
  content: "\2195";
  color: var(--gray-400);
  font-size: 12px;
  margin-left: 4px;
}

.sortable-th.sort-active .sort-icon::after {
  color: var(--primary);
}

/* ==================== REQUIRED FIELD STARS ==================== */
.required-star {
  color: var(--danger);
  font-weight: bold;
  font-size: 14px;
}

/* ==================== CUSTOM DATE RANGE ==================== */
.custom-date-range input[type="date"] {
  font-family: inherit;
  width: 130px;
}

/* ==================== ADD BUTTON ==================== */
.toolbar .btn svg {
  vertical-align: middle;
  margin-right: 2px;
}

.sortable-th.sort-asc .sort-icon::after {
  content: "\2191";
  color: var(--primary);
}

.sortable-th.sort-desc .sort-icon::after {
  content: "\2193";
  color: var(--primary);
}

/* ==================== REMINDER PROGRESS ==================== */
.reminder-progress {
  width: 100%;
  height: 6px;
  background: var(--gray-100);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}

.reminder-progress-bar {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
  width: 0%;
}

.reminder-day1 .reminder-progress-bar { background: var(--danger); }
.reminder-day3 .reminder-progress-bar { background: var(--warning); }
.reminder-day7 .reminder-progress-bar { background: var(--primary); }
.reminder-day15 .reminder-progress-bar { background: var(--success); }

.reminder-rate {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ==================== SUBSCRIPTION TABLE ==================== */
.sub-amount {
  font-weight: 600;
  color: var(--success);
}

.sub-contract {
  font-weight: 600;
  color: var(--primary-dark);
}

/* ==================== DASHBOARD HEADER ==================== */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.dashboard-header h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
}

/* ==================== WEEK NAV ==================== */
.week-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.week-range {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  padding: 6px 16px;
  background: var(--primary-light);
  border-radius: var(--radius);
}

/* ==================== RANKING ==================== */
.ranking-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.ranking-table .col-rank {
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  width: 60px;
  position: sticky;
  left: 0;
  background: var(--primary-50);
  z-index: 12;
}

.ranking-table tbody tr:hover .col-rank {
  background: var(--primary-50);
}

.ranking-table th:first-child {
  position: sticky;
  left: 0;
  z-index: 13;
}

.ranking-table .col-num {
  text-align: center;
  width: 90px;
}

.rank-1 { color: #D85A30; font-weight: 800; }
.rank-2 { color: #888780; font-weight: 700; }
.rank-3 { color: #BA7517; font-weight: 700; }

.highlight-row {
  background: var(--primary-lighter) !important;
}

.highlight-row:hover {
  background: var(--primary-light) !important;
}

.highlight-row .col-rank {
  background: var(--primary-lighter) !important;
}

/* ==================== PROGRESS BAR ==================== */
.progress-bar {
  width: 90px;
  height: 7px;
  background: var(--gray-100);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--success));
  border-radius: 4px;
  transition: width 0.4s ease;
}

/* ==================== TABLE HINT (scroll hint) ==================== */
.scroll-hint {
  text-align: center;
  font-size: 12px;
  color: var(--gray-400);
  padding: 8px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.scroll-hint svg {
  width: 14px;
  height: 14px;
  animation: swipeHint 1.5s ease-in-out infinite;
}

@keyframes swipeHint {
  0%, 100% { transform: translateX(0); opacity: 0.5; }
  50% { transform: translateX(6px); opacity: 1; }
}

/* ==================== MOBILE ==================== */
@media (max-width: 768px) {
  .login-card {
    padding: 32px 24px;
  }

  .app-content {
    padding: 12px;
  }

  .app-header {
    padding: 0 12px;
  }

  .tab-nav {
    padding: 0 12px;
  }

  .tab-btn {
    padding: 10px 14px;
    font-size: 13px;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .reminder-summary {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .reminder-card {
    padding: 16px;
  }

  .reminder-count {
    font-size: 26px;
  }

  .dashboard-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .ranking-summary {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px;
  }

  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .kpi-value {
    font-size: 22px;
  }

  .kpi-card {
    padding: 14px 16px;
  }

  .dashboard-toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 10px 12px;
  }

  .dashboard-custom-date {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    flex-wrap: wrap;
  }

  .dashboard-period-nav {
    flex-wrap: wrap;
  }

  .period-label {
    min-width: auto;
    font-size: 12px;
  }

  /* Mobile sidebar becomes bottom bar */
  .sidebar {
    position: fixed;
    bottom: 0;
    top: auto;
    left: 0;
    right: 0;
    width: 100%;
    height: 56px;
    flex-direction: row;
    border-right: none;
    border-top: 1px solid var(--gray-200);
    padding: 0 4px;
    z-index: 200;
    overflow-x: auto;
  }

  .sidebar-brand, .sidebar-divider, .sidebar-footer, .sidebar-brand-text {
    display: none;
  }

  .sidebar-nav {
    flex-direction: row;
    gap: 0;
    flex: 1;
    justify-content: space-around;
  }

  .sidebar-item {
    width: auto;
    height: 52px;
    min-width: 44px;
    padding: 2px 6px;
  }

  .sidebar-item svg {
    width: 18px;
    height: 18px;
  }

  .sidebar-item.active::before {
    display: none;
  }

  .sidebar-item.active {
    border-top: 2px solid var(--primary);
    border-radius: 0;
    background: transparent;
  }

  .sidebar-badge {
    top: 2px;
    right: 0;
  }

  .main-area {
    margin-left: 0;
    margin-bottom: 56px;
  }

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

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-input, .filter-select {
    width: 100%;
  }

  .view-toggle {
    margin-left: 0;
  }

  .data-table {
    font-size: 12px;
  }

  .data-table th {
    padding: 10px 10px;
    font-size: 12px;
  }

  .data-table td {
    padding: 8px 10px;
  }

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

  .week-nav {
    width: 100%;
    justify-content: space-between;
  }

  .ranking-table {
    font-size: 13px;
  }

  .header-right {
    gap: 4px;
  }

  .header-right .btn-text {
    font-size: 12px;
    padding: 4px 8px;
  }

  .user-badge {
    font-size: 12px;
    padding: 3px 8px;
  }

  .form-card {
    padding: 20px 16px;
  }

  .metric-value {
    font-size: 22px;
  }

  .progress-bar {
    width: 80px;
  }

  .modal {
    padding: 0;
  }

  .modal-content {
    max-height: 100vh;
    border-radius: 0;
    height: 100vh;
  }

  .detail-label {
    width: 100px;
    font-size: 12px;
  }

  .phone-link {
    font-size: 12px;
    padding: 2px 6px;
  }
}

/* Customer Edit Modal Styles */
.form-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin: 20px 0 12px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-light);
}

.form-section-title:first-child {
  margin-top: 0;
}

#customerEditModal .modal-body {
  padding: 24px;
}

#customerEditModal .form-group {
  margin-bottom: 16px;
}

#customerEditModal textarea {
  resize: vertical;
  font-size: 14px;
  line-height: 1.6;
}

/* Full mode table row clickable */
.full-mode tbody tr {
  cursor: pointer;
  transition: background-color 0.2s;
}

.full-mode tbody tr:hover {
  background-color: var(--primary-light) !important;
}

.full-mode tbody tr:active {
  background-color: var(--primary) !important;
  color: white;
}

/* ==================== INLINE EDITING ==================== */
.data-table.full-mode td {
  cursor: pointer;
  transition: background 0.15s;
}

.data-table.full-mode td:hover {
  background: var(--primary-lighter);
}

.data-table.full-mode td input,
.data-table.full-mode td select {
  width: 100%;
  padding: 2px 4px;
  border: 1.5px solid var(--primary);
  border-radius: 3px;
  font-size: 12px;
  outline: none;
  box-shadow: 0 0 0 2px var(--primary-light);
}

.data-table.full-mode td.action-cell:hover,
.data-table.full-mode td:first-child:hover {
  background: transparent;
  cursor: default;
}

/* ==================== DOWNLOAD BUTTONS ==================== */
.btn-warning {
  background: var(--warning);
  color: white;
  border-color: var(--warning);
}

.btn-warning:hover {
  background: #B45309;
  border-color: #B45309;
}

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

.btn-success:hover {
  background: #047857;
  border-color: #047857;
}