/* ============================================================
   CURBLY — Shared App Styles (Dark Theme)
   ============================================================ */

:root {
  --midnight: #0a0e1a;
  --deep: #111827;
  --card: #1a2035;
  --accent: #34d399;
  --accent-glow: rgba(52, 211, 153, 0.15);
  --accent-bright: #6ee7b7;
  --accent-dark: #059669;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: rgba(255,255,255,0.06);
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
}

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

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--midnight);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-bright); }

/* ============================================================
   LAYOUT
   ============================================================ */
.app-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--deep);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--accent);
  padding: 0 24px;
  margin-bottom: 32px;
  letter-spacing: -0.5px;
}

.sidebar-logo .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  margin-left: 1px;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}

.sidebar-link:hover {
  background: var(--card);
  color: var(--text);
}

.sidebar-link.active {
  background: var(--accent-glow);
  color: var(--accent);
}

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

.sidebar-bottom {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
}

.sidebar-user:hover {
  background: var(--card);
}

.sidebar-avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--midnight);
}

.sidebar-user-name {
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 500;
}

.sidebar-user-email {
  font-size: 0.72rem;
  color: var(--muted);
}

.main-content {
  flex: 1;
  margin-left: 240px;
  padding: 32px 40px;
  max-width: 1100px;
}

.page-header {
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.page-header p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
}

/* ============================================================
   STAT CARDS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.stat-card .stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-card .stat-sub {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
}

/* ============================================================
   TABLE
   ============================================================ */
.table-container {
  overflow-x: auto;
}

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

th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

tr:hover td {
  background: rgba(255,255,255,0.02);
}

tr:last-child td {
  border-bottom: none;
}

/* ============================================================
   STATUS BADGES
   ============================================================ */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-new {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.badge-responded {
  background: var(--accent-glow);
  color: var(--accent);
}

.badge-qualified {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
}

.badge-booked {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.badge-closed {
  background: rgba(107, 114, 128, 0.15);
  color: #9ca3af;
}

.badge-lost {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.badge-emergency {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.badge-high {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.badge-medium {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.badge-low {
  background: rgba(107, 114, 128, 0.15);
  color: #9ca3af;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--deep);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  appearance: none;
  cursor: pointer;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 6px;
}

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

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--midnight);
}

.btn-primary:hover {
  background: var(--accent-bright);
}

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================
   LEAD DETAIL
   ============================================================ */
.lead-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.conversation-thread {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.msg-bubble {
  max-width: 90%;
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.msg-bubble.customer {
  background: var(--info);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.msg-bubble.ai {
  background: var(--card);
  border: 1px solid var(--border);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.msg-bubble.manual {
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.msg-meta {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ============================================================
   EMBED CODE BOX
   ============================================================ */
.code-box {
  background: var(--deep);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  color: var(--accent);
  overflow-x: auto;
  position: relative;
}

.code-box .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.72rem;
  cursor: pointer;
}

.code-box .copy-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 60px 40px;
  color: var(--muted);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state h3 {
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto;
}

/* ============================================================
   TABS / FILTERS
   ============================================================ */
.tab-bar {
  display: flex;
  gap: 4px;
  background: var(--deep);
  padding: 4px;
  border-radius: 12px;
  margin-bottom: 20px;
  overflow-x: auto;
}

.tab-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

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

.tab-btn.active {
  background: var(--card);
  color: var(--accent);
}

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--card);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 14px 20px;
  font-size: 0.9rem;
  color: var(--accent);
  z-index: 1000;
  animation: slideUp 0.3s ease-out;
  max-width: 400px;
}

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

/* ============================================================
   AUTH PAGES
   ============================================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px 40px;
  max-width: 440px;
  width: 100%;
}

.auth-card .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--accent);
  text-align: center;
  margin-bottom: 8px;
}

.auth-card h2 {
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: 28px;
  font-weight: 600;
}

.auth-card .auth-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
}

.auth-card .auth-link {
  text-align: center;
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--muted);
}

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

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

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  gap: 12px;
  color: var(--muted);
}

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */
.mobile-nav-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  width: 40px;
  height: 40px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .main-content {
    margin-left: 0;
    padding: 24px 16px;
    padding-top: 64px;
  }

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

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

  .lead-detail {
    grid-template-columns: 1fr;
  }
}

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