/* App pages share the same dark design language as the landing page */

.app-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.app-nav-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}

.app-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-nav-user {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s;
  border: none;
}

.btn:hover { opacity: 0.85; }

.btn-primary {
  background: var(--accent);
  color: #111;
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-danger {
  background: #c0392b;
  color: white;
}

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

/* Auth pages */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 48px;
  width: 100%;
  max-width: 420px;
}

.auth-card .brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.auth-card .subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 40px;
}

.auth-error {
  background: rgba(192,57,43,0.15);
  border: 1px solid rgba(192,57,43,0.4);
  color: #e74c3c;
  padding: 12px 16px;
  border-radius: 4px;
  font-size: 0.875rem;
  margin-bottom: 24px;
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  padding: 12px 16px;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group small {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-top: 6px;
}

.auth-link {
  text-align: center;
  margin-top: 24px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-link a {
  color: var(--accent);
  text-decoration: none;
}

/* Dashboard */
.dashboard {
  padding: 48px;
  max-width: 960px;
  margin: 0 auto;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.dashboard-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

.dashboard-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Estimate list */
.estimate-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.estimate-list-item {
  background: var(--bg);
  padding: 20px 28px;
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 32px;
  text-decoration: none;
  color: inherit;
  transition: background 0.1s;
}

.estimate-list-item:hover {
  background: var(--surface);
}

.estimate-job {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 4px;
}

.estimate-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.estimate-total {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.estimate-status {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 2px;
}

.status-draft {
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.status-sent {
  color: #27ae60;
  border: 1px solid rgba(39,174,96,0.3);
  background: rgba(39,174,96,0.08);
}

.empty-state {
  text-align: center;
  padding: 80px 40px;
  color: var(--text-muted);
}

.empty-state h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--text);
  margin-bottom: 12px;
}

/* Estimate form */
.estimate-form-page {
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
}

.form-header {
  margin-bottom: 40px;
}

.form-header h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.form-header p {
  color: var(--text-muted);
}

.generate-btn {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
  margin-top: 8px;
}

.loading-state {
  text-align: center;
  padding: 60px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 16px;
}

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

.loading-state p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Estimate result */
.result-page {
  padding: 48px;
  max-width: 900px;
  margin: 0 auto;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.result-actions {
  display: flex;
  gap: 12px;
}

.estimate-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.estimate-table th {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.estimate-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text);
}

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

.estimate-table .item-name {
  font-weight: 500;
}

.estimate-table .item-cat {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.totals-box {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 32px;
}

.totals-table {
  background: var(--surface);
  border: 1px solid var(--border);
  border-collapse: collapse;
  min-width: 280px;
}

.totals-table td {
  padding: 10px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.totals-table td:last-child {
  text-align: right;
  font-weight: 500;
}

.totals-table .total-final td {
  padding: 16px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  border-top: 2px solid var(--border);
  border-bottom: none;
}

.total-final-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: var(--text);
}

@media (max-width: 768px) {
  .app-nav { padding: 16px 24px; }
  .dashboard, .estimate-form-page, .result-page { padding: 24px; }
  .estimate-list-item { grid-template-columns: 1fr auto; gap: 16px; }
  .estimate-status { display: none; }
  .dashboard-header { flex-direction: column; gap: 16px; }
  .result-header { flex-direction: column; gap: 20px; }
}