/* KneadNow App Styles - matches landing page design language */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

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

:root {
  --warm: #F5EDE3;
  --dark: #1A1614;
  --accent: #C4704B;
  --accent-light: #E8956E;
  --cream: #FAF7F3;
  --muted: #8B7D72;
  --card-bg: #FFFFFF;
  --success: #4CAF50;
  --warning: #FF9800;
  --danger: #E74C3C;
  --info: #2196F3;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--warm);
  color: var(--dark);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ---- APP NAV ---- */
.app-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.app-nav .logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  color: var(--dark);
  text-decoration: none;
}
.app-nav .logo span { color: var(--accent); }

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

.app-nav .nav-links a {
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 10px;
  transition: all 0.2s;
  font-weight: 500;
}
.app-nav .nav-links a:hover,
.app-nav .nav-links a.active {
  color: var(--dark);
  background: rgba(196, 112, 75, 0.08);
}

.app-nav .user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-nav .user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-light);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--dark);
  color: white;
}
.btn-secondary:hover:not(:disabled) {
  opacity: 0.9;
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover:not(:disabled) {
  background: var(--accent);
  color: white;
}
.btn-ghost {
  background: transparent;
  color: var(--muted);
}
.btn-ghost:hover {
  color: var(--dark);
  background: rgba(0,0,0,0.04);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
  border-radius: 8px;
}
.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-success {
  background: var(--success);
  color: white;
}

/* ---- LAYOUT ---- */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 32px 60px;
}

.page-header {
  margin-bottom: 32px;
}
.page-header h1 {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.page-header p {
  color: var(--muted);
  font-size: 1rem;
}

/* ---- CARDS ---- */
.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 16px rgba(26, 22, 20, 0.05);
}

/* ---- FORMS ---- */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid rgba(26, 22, 20, 0.1);
  border-radius: 12px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--dark);
  background: var(--cream);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea {
  min-height: 80px;
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---- SLOT CARDS ---- */
.slot-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 2px 16px rgba(26, 22, 20, 0.05);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.slot-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(26, 22, 20, 0.1);
}

.slot-avatar {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.slot-details {
  flex: 1;
  min-width: 0;
}
.slot-details .therapist-name {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 2px;
}
.slot-details .massage-type {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 2px;
}
.slot-details .location {
  font-size: 0.8rem;
  color: var(--muted);
}

.slot-meta {
  text-align: right;
  flex-shrink: 0;
}
.slot-meta .time {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark);
}
.slot-meta .date {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.slot-meta .price {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}
.slot-meta .rating {
  font-size: 0.8rem;
  color: var(--muted);
}

.slots-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---- FILTERS ---- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  padding: 16px 20px;
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(26, 22, 20, 0.04);
}
.filter-bar select,
.filter-bar input {
  padding: 10px 16px;
  border: 2px solid rgba(26, 22, 20, 0.08);
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--dark);
  background: var(--cream);
}
.filter-bar select:focus,
.filter-bar input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ---- BADGES ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-available { background: rgba(76, 175, 80, 0.1); color: var(--success); }
.badge-pending { background: rgba(255, 152, 0, 0.1); color: var(--warning); }
.badge-confirmed { background: rgba(33, 150, 243, 0.1); color: var(--info); }
.badge-completed { background: rgba(76, 175, 80, 0.1); color: var(--success); }
.badge-cancelled { background: rgba(231, 76, 60, 0.1); color: var(--danger); }
.badge-booked { background: rgba(33, 150, 243, 0.1); color: var(--info); }

/* ---- STARS ---- */
.stars { color: var(--accent); letter-spacing: 2px; font-size: 1.1rem; }
.stars-input { display: flex; gap: 4px; flex-direction: row-reverse; justify-content: flex-end; }
.stars-input input { display: none; }
.stars-input label {
  font-size: 2rem;
  color: rgba(26, 22, 20, 0.15);
  cursor: pointer;
  transition: color 0.15s;
}
.stars-input label:hover,
.stars-input label:hover ~ label,
.stars-input input:checked ~ label {
  color: var(--accent);
}

/* ---- BOOKING CARD ---- */
.booking-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 2px 16px rgba(26, 22, 20, 0.05);
  margin-bottom: 12px;
}
.booking-card .booking-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}
.booking-card .booking-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 16px;
}
.booking-card .booking-details strong {
  color: var(--dark);
}
.booking-card .booking-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ---- TABS ---- */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: rgba(26, 22, 20, 0.04);
  padding: 4px;
  border-radius: 12px;
  width: fit-content;
}
.tabs button {
  padding: 10px 20px;
  border: none;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}
.tabs button.active {
  background: var(--card-bg);
  color: var(--dark);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* ---- EMPTY STATE ---- */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--muted);
}
.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}
.empty-state h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--dark);
  margin-bottom: 8px;
}
.empty-state p {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto 20px;
}

/* ---- TOAST ---- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: white;
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--info); }

/* ---- AUTH PAGES ---- */
.auth-container {
  max-width: 440px;
  margin: 60px auto;
  padding: 0 24px;
}
.auth-card {
  background: var(--card-bg);
  border-radius: 24px;
  padding: 40px 36px;
  box-shadow: 0 4px 30px rgba(26, 22, 20, 0.08);
}
.auth-card h1 {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  text-align: center;
}
.auth-card .subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 32px;
  font-size: 0.95rem;
}
.auth-card .toggle-link {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--muted);
}
.auth-card .toggle-link a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

/* Role selector */
.role-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}
.role-option {
  padding: 16px;
  border: 2px solid rgba(26, 22, 20, 0.1);
  border-radius: 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--cream);
}
.role-option:hover {
  border-color: var(--accent);
}
.role-option.selected {
  border-color: var(--accent);
  background: rgba(196, 112, 75, 0.08);
}
.role-option .role-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}
.role-option .role-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
}
.role-option .role-desc {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ---- PROFILE ---- */
.profile-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}
.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  flex-shrink: 0;
}
.profile-info h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
}
.profile-info .meta {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 22, 20, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.show {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--card-bg);
  border-radius: 24px;
  padding: 32px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.2s;
}
.modal-overlay.show .modal {
  transform: translateY(0);
}
.modal h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

/* ---- LOADING ---- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(196, 112, 75, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .app-nav {
    padding: 12px 20px;
    flex-wrap: wrap;
    gap: 12px;
  }
  .app-nav .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .app-container { padding: 16px 20px 40px; }
  .page-header h1 { font-size: 1.6rem; }
  .form-row { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; }
  .slot-card { flex-wrap: wrap; }
  .booking-card .booking-details { grid-template-columns: 1fr; }
  .auth-container { margin: 32px auto; }
  .auth-card { padding: 28px 24px; }
}