/* ============================================
   LHAIF Tech Outreach CRM — Styles
   ============================================ */

:root {
  /* Primary palette — blue/teal */
  --primary: #0d6efd;
  --primary-dark: #0a58ca;
  --primary-light: #e7f1ff;
  --secondary: #0dcaf0;
  --secondary-dark: #0aa2c0;

  /* Pipeline status colours */
  --status-new-lead: #6c757d;
  --status-researched: #17a2b8;
  --status-contacted: #007bff;
  --status-follow-up-1: #fd7e14;
  --status-follow-up-2: #e67e22;
  --status-follow-up-3: #dc3545;
  --status-meeting-booked: #28a745;
  --status-proposal-sent: #6f42c1;
  --status-converted: #155724;
  --status-dead: #343a40;

  /* Category colours */
  --category-target: #0d6efd;
  --category-partner: #198754;

  /* Streak heat colours */
  --streak-hot: #dc3545;
  --streak-warm: #fd7e14;
  --streak-cold: #6c757d;

  /* Email status colours */
  --email-valid: #28a745;
  --email-invalid: #dc3545;
  --email-unverified: #6c757d;
  --email-guessed: #ffc107;
  --email-not-found: #343a40;

  /* Neutrals */
  --bg: #f8f9fa;
  --bg-white: #ffffff;
  --border: #dee2e6;
  --text: #212529;
  --text-muted: #6c757d;
  --text-light: #ffffff;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ---- Reset & Base ---- */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

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

a:hover {
  text-decoration: underline;
}

/* ---- Layout ---- */

.app-container {
  display: none; /* shown after auth */
  min-height: 100vh;
}

.app-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-sm) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.app-header .logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.app-header .logo i {
  font-size: 22px;
}

.app-header .nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.app-header .nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}

.app-header .nav-links a:hover,
.app-header .nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
  text-decoration: none;
}

.app-header .user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--text-muted);
  font-size: 13px;
}

.main-content {
  padding: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

/* ---- Login Page ---- */

.login-container {
  display: none; /* hidden until auth check completes */
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg) 100%);
}

.login-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl) var(--spacing-xl);
  width: 100%;
  max-width: 400px;
}

.login-card h1 {
  text-align: center;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
  font-size: 24px;
}

.login-card .subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  font-size: 14px;
}

.login-card .form-group {
  margin-bottom: var(--spacing-md);
}

.login-card label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  font-size: 13px;
  color: var(--text-muted);
}

.login-card input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: border-color 0.15s;
}

.login-card input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

.login-error {
  background: #f8d7da;
  color: #842029;
  border: 1px solid #f5c2c7;
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 13px;
  display: none;
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--border);
}

.btn-danger {
  background: #dc3545;
  color: var(--text-light);
}

.btn-danger:hover:not(:disabled) {
  background: #bb2d3b;
}

.btn-success {
  background: #28a745;
  color: var(--text-light);
}

.btn-success:hover:not(:disabled) {
  background: #218838;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

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

.btn-outline:hover:not(:disabled) {
  background: var(--primary);
  color: var(--text-light);
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  padding: 0;
  font-weight: 500;
  cursor: pointer;
}

.btn-link:hover {
  text-decoration: underline;
}

/* ---- Badges ---- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.badge-target {
  background: #e7f1ff;
  color: var(--category-target);
}

.badge-partner {
  background: #d1e7dd;
  color: var(--category-partner);
}

/* Pipeline status badges */
.badge-new_lead { background: #e9ecef; color: var(--status-new-lead); }
.badge-researched { background: #d1ecf1; color: #0c5460; }
.badge-contacted { background: #cce5ff; color: #004085; }
.badge-follow_up_1 { background: #ffe5cc; color: #995200; }
.badge-follow_up_2 { background: #fddcb5; color: #8a4600; }
.badge-follow_up_3 { background: #f8d7da; color: #721c24; }
.badge-meeting_booked { background: #d4edda; color: #155724; }
.badge-proposal_sent { background: #e2d9f3; color: #3d1f72; }
.badge-converted { background: #c3e6cb; color: #0d3d17; }
.badge-dead { background: #d6d8db; color: #1b1e21; }

/* Email status badges */
.badge-email-valid { background: #d4edda; color: #155724; }
.badge-email-invalid { background: #f8d7da; color: #721c24; }
.badge-email-unverified { background: #e9ecef; color: #495057; }
.badge-email-guessed { background: #fff3cd; color: #856404; }
.badge-email-not_found { background: #d6d8db; color: #1b1e21; }

/* Streak heat badges */
.badge-streak-hot { background: #f8d7da; color: var(--streak-hot); }
.badge-streak-warm { background: #ffe5cc; color: #995200; }
.badge-streak-cold { background: #e9ecef; color: var(--streak-cold); }

/* ---- Summary Bar ---- */

.summary-bar {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  padding: var(--spacing-md);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-lg);
}

.summary-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
  min-width: 80px;
}

.summary-stat:hover {
  background: var(--primary-light);
}

.summary-stat .count {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.summary-stat .label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* ---- Data Table ---- */

.table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

.search-box i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.table-wrapper {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: var(--bg);
  border-bottom: 2px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.data-table th:hover {
  color: var(--primary);
}

.data-table th .sort-icon {
  margin-left: 4px;
  font-size: 10px;
  opacity: 0.4;
}

.data-table th.sorted .sort-icon {
  opacity: 1;
  color: var(--primary);
}

.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 13px;
  vertical-align: middle;
}

.data-table tr {
  transition: background 0.1s;
  cursor: pointer;
}

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

.data-table .empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
}

.data-table .empty-state i {
  font-size: 40px;
  margin-bottom: var(--spacing-md);
  display: block;
}

/* ---- Pagination ---- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.pagination-controls button {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-white);
  cursor: pointer;
  font-size: 12px;
  transition: background 0.15s;
}

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

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

.pagination-controls .page-info {
  padding: 0 var(--spacing-sm);
}

.page-size-select {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--bg-white);
}

/* ---- Filter Bar ---- */

.filter-bar {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.filter-group label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.filter-group select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: var(--bg-white);
}

.filter-chips {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.filter-chip {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  background: var(--bg-white);
  user-select: none;
}

.filter-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-chip.active {
  background: var(--primary);
  color: var(--text-light);
  border-color: var(--primary);
}

/* ---- Modals ---- */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--spacing-xl);
  overflow-y: auto;
  animation: fadeIn 0.15s ease;
}

.modal-dialog {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 800px;
  animation: slideUp 0.2s ease;
}

.modal-dialog.modal-lg {
  max-width: 960px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--spacing-xs);
  line-height: 1;
}

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

.modal-body {
  padding: var(--spacing-lg);
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border);
}

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

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ---- Form Elements ---- */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  font-size: 13px;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-md);
}

/* ---- Tabs ---- */

.tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: var(--spacing-md);
}

.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.15s;
  font-size: 13px;
}

.tab:hover {
  color: var(--primary);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ---- Pipeline Visual ---- */

.pipeline-bar {
  display: flex;
  gap: 2px;
  margin: var(--spacing-md) 0;
}

.pipeline-stage {
  flex: 1;
  padding: 6px 4px;
  text-align: center;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
  opacity: 0.3;
  color: var(--text-light);
}

.pipeline-stage.active {
  opacity: 1;
}

.pipeline-stage.completed {
  opacity: 0.6;
}

/* ---- Interaction Timeline ---- */

.timeline {
  position: relative;
  padding-left: var(--spacing-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
}

.timeline-item .timeline-icon {
  position: absolute;
  left: -22px;
  top: 2px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-white);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

.timeline-item .timeline-content {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
}

.timeline-item .timeline-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

/* ---- Loading / Spinner ---- */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

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

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  gap: var(--spacing-sm);
  color: var(--text-muted);
}

/* ---- Utilities ---- */

.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: #28a745; }
.text-danger { color: #dc3545; }
.text-warning { color: #ffc107; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.fw-bold { font-weight: 600; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.flex-wrap { flex-wrap: wrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .main-content {
    padding: var(--spacing-md);
  }

  .form-row,
  .form-row-3 {
    grid-template-columns: 1fr;
  }

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

  .search-box {
    max-width: none;
  }

  .summary-bar {
    gap: var(--spacing-xs);
  }

  .summary-stat {
    min-width: 60px;
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .summary-stat .count {
    font-size: 16px;
  }

  .filter-bar {
    flex-direction: column;
  }

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

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

  .modal-backdrop {
    padding: var(--spacing-md);
  }

  .modal-dialog {
    max-width: 100%;
  }

  .app-header {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .app-header .nav-links {
    gap: var(--spacing-md);
  }

  .pipeline-bar {
    flex-wrap: wrap;
  }

  .pipeline-stage {
    font-size: 9px;
    padding: 4px 2px;
  }

  .pagination {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .app-header .logo span {
    display: none;
  }

  .data-table .hide-mobile {
    display: none;
  }
}