/* ─── WarmReach Design System ──────────────────────────────── */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --amber: #E8920B;
  --amber-light: #FBBF24;
  --amber-glow: rgba(232, 146, 11, 0.15);
  --amber-dim: rgba(232, 146, 11, 0.08);
  --charcoal: #0F0F0F;
  --slate: #1A1A1A;
  --surface: #222222;
  --surface-hover: #2A2A2A;
  --border: rgba(255,255,255,0.06);
  --border-amber: rgba(232, 146, 11, 0.2);
  --text: #F5F0E8;
  --text-dim: #9A9487;
  --text-mid: #C4BDB0;
  --red: #EF4444;
  --green: #22C55E;
  --blue: #3B82F6;
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--charcoal);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

/* ─── Layout ──────────────────────────────────────────────── */
.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--charcoal);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-nav .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.5px;
  color: var(--text);
  text-decoration: none;
}

.app-nav .logo span { color: var(--amber); }

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-link {
  font-size: 14px;
  color: var(--text-dim);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: none;
  font-family: 'DM Sans', sans-serif;
}

.nav-link:hover { color: var(--text); background: var(--surface); }
.nav-link.active { color: var(--amber); background: var(--amber-dim); }

.nav-link.logout {
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.nav-link.logout:hover { color: var(--red); border-color: rgba(239, 68, 68, 0.3); }

.app-content {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
  width: 100%;
}

/* ─── Auth Pages ──────────────────────────────────────────── */
.auth-container {
  max-width: 420px;
  margin: 80px auto;
  padding: 0 24px;
}

.auth-card {
  background: var(--slate);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.auth-card h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.auth-card .subtitle {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 32px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-mid);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  font-family: 'DM Sans', sans-serif;
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus { border-color: var(--amber); }
.form-input::placeholder { color: var(--text-dim); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--amber);
  color: #000;
  width: 100%;
}

.btn-primary:hover { background: var(--amber-light); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-secondary:hover { background: var(--surface-hover); border-color: var(--border-amber); }

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-danger {
  background: transparent;
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover { background: rgba(239, 68, 68, 0.1); }

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-dim);
}

.auth-footer a {
  color: var(--amber);
  cursor: pointer;
  text-decoration: none;
}

.auth-footer a:hover { text-decoration: underline; }

.error-msg {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--red);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
}

.success-msg {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--green);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
}

/* ─── Dashboard ───────────────────────────────────────────── */
.page-header {
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 4px;
}

.page-header .page-sub {
  color: var(--text-dim);
  font-size: 15px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--slate);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.stat-card.primary {
  border-color: var(--border-amber);
  background: linear-gradient(135deg, var(--slate) 0%, rgba(232, 146, 11, 0.05) 100%);
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -2px;
  color: var(--text);
}

.stat-card.primary .stat-value { color: var(--amber); }

.stat-sub {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ─── Sections ────────────────────────────────────────────── */
.section {
  margin-bottom: 40px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.section-header h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

/* ─── Connection Cards ────────────────────────────────────── */
.connection-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-radius: var(--radius);
  overflow: hidden;
}

.connection-card {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
  background: var(--slate);
  transition: background 0.2s;
}

.connection-card:hover { background: var(--surface); }

.connection-rank {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--amber);
  text-align: center;
}

.connection-info h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}

.connection-meta {
  font-size: 13px;
  color: var(--text-dim);
}

.connection-meta span { margin-right: 12px; }

.score-badge {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--amber);
  background: var(--amber-dim);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  min-width: 60px;
  text-align: center;
}

/* ─── Dormant Cards ───────────────────────────────────────── */
.dormant-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.dormant-card {
  background: var(--slate);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: border-color 0.3s;
}

.dormant-card:hover { border-color: var(--amber); }

.dormant-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.dormant-card .dormant-meta {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.dormant-card .dormant-reason {
  font-size: 13px;
  color: var(--amber);
  background: var(--amber-dim);
  padding: 8px 12px;
  border-radius: 6px;
}

/* ─── Score Distribution ──────────────────────────────────── */
.distribution {
  display: flex;
  gap: 8px;
  align-items: end;
  height: 120px;
  padding: 20px;
  background: var(--slate);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.dist-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}

.dist-bar {
  width: 100%;
  background: var(--amber);
  border-radius: 4px 4px 0 0;
  min-height: 4px;
  transition: height 0.5s ease;
  opacity: 0.8;
}

.dist-bar-wrap:hover .dist-bar { opacity: 1; }

.dist-label {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 8px;
  text-align: center;
}

.dist-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  font-family: 'Space Grotesk', sans-serif;
}

/* ─── Contacts Table ──────────────────────────────────────── */
.contacts-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 200px;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  font-family: 'DM Sans', sans-serif;
  outline: none;
}

.search-input:focus { border-color: var(--amber); }

.contacts-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.contacts-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}

.contacts-table th:hover { color: var(--text-mid); }

.contacts-table td {
  padding: 14px 16px;
  font-size: 14px;
  background: var(--slate);
  border-bottom: 1px solid var(--border);
}

.contacts-table tr:hover td { background: var(--surface); }

.score-pill {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  min-width: 40px;
  text-align: center;
}

.score-a { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.score-b { background: rgba(59, 130, 246, 0.15); color: var(--blue); }
.score-c { background: var(--amber-dim); color: var(--amber); }
.score-d { background: rgba(239, 68, 68, 0.1); color: var(--red); }

.tag {
  display: inline-block;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.delete-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s;
}

.delete-btn:hover { color: var(--red); background: rgba(239, 68, 68, 0.1); }

/* ─── Upload ──────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 60px 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  background: var(--slate);
  margin-bottom: 32px;
}

.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--amber);
  background: rgba(232, 146, 11, 0.03);
}

.upload-zone .upload-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.upload-zone h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.upload-zone p {
  font-size: 14px;
  color: var(--text-dim);
}

.upload-zone .upload-link {
  color: var(--amber);
  text-decoration: underline;
}

.csv-format {
  background: var(--slate);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.csv-format h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

.csv-format code {
  display: block;
  background: var(--charcoal);
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-mid);
  overflow-x: auto;
  white-space: pre;
  line-height: 1.6;
}

.csv-format .format-note {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 12px;
}

/* ─── Add Contact Form ────────────────────────────────────── */
.add-contact-form {
  background: var(--slate);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 32px;
}

.add-contact-form h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-grid .form-group.full {
  grid-column: 1 / -1;
}

/* ─── Empty State ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 40px;
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-dim);
  font-size: 15px;
  max-width: 400px;
  margin: 0 auto 24px;
}

/* ─── Loading ─────────────────────────────────────────────── */
.loading {
  text-align: center;
  padding: 60px;
  color: var(--text-dim);
}

.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--surface);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}

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

/* ─── Mobile ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-nav { padding: 16px 20px; }
  .app-content { padding: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-value { font-size: 28px; }
  .connection-card { grid-template-columns: 36px 1fr auto; padding: 12px 16px; }
  .dormant-list { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .contacts-toolbar { flex-direction: column; }
  .nav-links { gap: 4px; }
  .nav-link { padding: 6px 10px; font-size: 13px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .auth-card { padding: 28px 20px; }
}

/* ─── Google OAuth Button ────────────────────────────────── */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 12px 24px;
  background: #fff;
  color: #3c4043;
  border: 1px solid #dadce0;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-google:hover {
  background: #f8f9fa;
  border-color: #c6c9cc;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.btn-google:active {
  background: #eef0f2;
}

.btn-google svg {
  flex-shrink: 0;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-dim);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Google Import Card ─────────────────────────────────── */
.import-option-card {
  background: var(--slate);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.import-option-card:hover {
  border-color: var(--border-amber);
  background: var(--surface);
}

.import-option-card.google-import:hover {
  border-color: rgba(66, 133, 244, 0.4);
}