/* ═══════════════════════════════════════════════════════════
   BLOOM — Lavender Design System
   Primary: #8B7EC8  ·  Background: #FAF8F5
   Fonts: Fraunces (display) + DM Sans (body)
   ═══════════════════════════════════════════════════════════ */

:root {
  --lavender-50:  #f3f0fb;
  --lavender-100: #e8e2f6;
  --lavender-200: #d4cbee;
  --lavender-300: #baaee2;
  --lavender-400: #a293d5;
  --lavender-500: #8B7EC8;
  --lavender-600: #7668b5;
  --lavender-700: #6254a0;
  --lavender-800: #4d4087;
  --lavender-900: #3d3470;

  --mauve:        #e9d8ff;
  --blush:        #fdf2f8;
  --sage:         #f0fdf4;
  --cream:        #fffbf5;

  --text-primary:   #1a1523;
  --text-secondary: #6b5e7a;
  --text-muted:     #9b8ea8;
  --text-on-dark:   #ffffff;

  --bg:         #FAF8F5;
  --bg-card:    #ffffff;
  --bg-subtle:  #f3f0fb;
  --border:     #d4cbee;
  --border-light: #e8e2f6;

  --success: #22c55e;
  --warning: #f59e0b;
  --error:   #ef4444;

  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(98,84,160,0.08);
  --shadow:    0 4px 16px rgba(98,84,160,0.10);
  --shadow-lg: 0 12px 40px rgba(98,84,160,0.14);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --transition: 180ms ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── Utility ─────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }

/* ─── Typography ──────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--font-display); }
.display-xl { font-size: clamp(2.4rem, 5vw, 4.2rem); line-height: 1.1; font-weight: 700; }
.display-lg { font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1.15; font-weight: 600; }
.display-md { font-size: clamp(1.4rem, 2.5vw, 2rem); line-height: 1.2; font-weight: 600; }
.text-lg  { font-size: 1.125rem; }
.text-sm  { font-size: 0.875rem; }
.text-xs  { font-size: 0.75rem; }
.text-muted { color: var(--text-secondary); }
.italic { font-style: italic; }

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--lavender-600), var(--lavender-500));
  color: white;
  box-shadow: 0 4px 14px rgba(98,84,160,0.3);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--lavender-700), var(--lavender-600));
  box-shadow: 0 6px 20px rgba(98,84,160,0.4);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--lavender-50);
  color: var(--lavender-700);
  border: 1.5px solid var(--lavender-200);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--lavender-100);
  border-color: var(--lavender-300);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg-subtle);
  color: var(--text-primary);
}

.btn-danger {
  background: #fff1f2;
  color: var(--error);
  border: 1.5px solid #fecdd3;
}
.btn-danger:hover:not(:disabled) { background: #ffe4e6; }

.btn-lg { padding: 16px 32px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; border-radius: var(--radius-sm); }
.btn-full { width: 100%; }

/* ─── Inputs ───────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-weight: 500; font-size: 0.9rem; color: var(--text-primary); }
.form-label .optional { color: var(--text-muted); font-weight: 400; font-size: 0.8rem; margin-left: 4px; }

.form-input, .form-select {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: white;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  appearance: none;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--lavender-400);
  box-shadow: 0 0 0 3px rgba(139,126,200,0.15);
}
.form-hint { font-size: 0.8rem; color: var(--text-muted); }
.form-error { font-size: 0.8rem; color: var(--error); }

/* ─── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.card-hover:hover {
  border-color: var(--lavender-300);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  transition: all var(--transition);
  cursor: pointer;
}

/* ─── Navigation ───────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250,248,245,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1.5px solid var(--border-light);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--lavender-700);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-brand .bloom-logo {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--lavender-500), var(--lavender-300));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.navbar-actions { display: flex; align-items: center; gap: 12px; }
.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-link:hover { color: var(--lavender-700); background: var(--lavender-50); }

/* ─── Layout ───────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 480px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.page { min-height: calc(100vh - 64px); }

/* ─── Landing Page ─────────────────────────────────────────── */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--lavender-50);
  color: var(--lavender-700);
  border: 1.5px solid var(--lavender-200);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero h1 { margin-bottom: 20px; color: var(--text-primary); }
.hero h1 em { color: var(--lavender-600); font-style: italic; }
.hero p { font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.features {
  padding: 80px 24px;
  background: var(--bg-subtle);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 48px auto 0;
}
.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1.5px solid var(--border-light);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--lavender-100), var(--lavender-50));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--text-primary); }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

.footer {
  border-top: 1.5px solid var(--border-light);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer a { color: var(--lavender-600); text-decoration: none; }

/* ─── Auth Pages ────────────────────────────────────────────── */
.auth-page {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: linear-gradient(160deg, var(--lavender-50) 0%, var(--bg) 60%);
}
.auth-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
}
.auth-card h2 { font-size: 1.8rem; margin-bottom: 6px; color: var(--text-primary); }
.auth-card .subtitle { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 32px; }
.auth-form { display: flex; flex-direction: column; gap: 20px; }
.auth-switch { text-align: center; font-size: 0.9rem; color: var(--text-secondary); margin-top: 20px; }
.auth-switch a { color: var(--lavender-600); text-decoration: none; font-weight: 500; cursor: pointer; }
.auth-switch a:hover { text-decoration: underline; }
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
}
.alert-error { background: #fff1f2; color: var(--error); border: 1px solid #fecdd3; }
.alert-success { background: var(--sage); color: #15803d; border: 1px solid #bbf7d0; }

/* ─── Dashboard ─────────────────────────────────────────────── */
.dashboard { padding: 40px 24px; max-width: 1100px; margin: 0 auto; }
.dashboard-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 16px;
  flex-wrap: wrap;
}
.dashboard-greeting { font-size: 1.6rem; font-weight: 600; font-family: var(--font-display); }
.dashboard-greeting span { color: var(--lavender-600); font-style: italic; }

.babies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.baby-card {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.baby-card:hover {
  border-color: var(--lavender-300);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.baby-card-accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--lavender-400), var(--lavender-300));
}
.baby-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--lavender-200), var(--lavender-100));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 14px;
}
.baby-name { font-size: 1.2rem; font-weight: 600; margin-bottom: 4px; }
.baby-age { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 16px; }
.baby-preemie-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--lavender-50);
  color: var(--lavender-700);
  border: 1px solid var(--lavender-200);
  border-radius: 100px;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.baby-progress-bar {
  background: var(--lavender-50);
  border-radius: 100px;
  height: 6px;
  overflow: hidden;
  margin-top: 12px;
}
.baby-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--lavender-500), var(--lavender-400));
  border-radius: 100px;
  transition: width 0.6s ease;
}
.baby-progress-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }

.add-baby-card {
  background: var(--bg-subtle);
  border: 2px dashed var(--lavender-200);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 200px;
  text-align: center;
}
.add-baby-card:hover {
  border-color: var(--lavender-400);
  background: var(--lavender-50);
  transform: translateY(-2px);
}
.add-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--lavender-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--lavender-600);
  font-weight: 700;
}
.add-baby-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ─── Avatar Picker ──────────────────────────────────────────── */
.avatar-picker {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.avatar-option {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border-light);
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all var(--transition);
}
.avatar-option:hover {
  border-color: var(--lavender-300);
  transform: scale(1.1);
}
.avatar-option.selected {
  border-color: var(--lavender-500);
  background: var(--lavender-50);
  box-shadow: 0 0 0 3px rgba(139,126,200,0.2);
  transform: scale(1.1);
}

/* ─── Baby Profile Form (Modal) ─────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20,10,35,0.45);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: white;
  border-radius: var(--radius-xl);
  padding: 36px;
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.2s ease;
  max-height: 90vh;
  overflow-y: auto;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
}
.modal-title { font-size: 1.4rem; font-weight: 600; }
.modal-close {
  background: var(--bg-subtle);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
  flex-shrink: 0;
}
.modal-close:hover { background: var(--lavender-100); color: var(--lavender-700); }
.modal-form { display: flex; flex-direction: column; gap: 20px; }

/* ─── Milestone Dashboard ──────────────────────────────────── */
.milestone-page { padding: 32px 24px; max-width: 900px; margin: 0 auto; }
.milestone-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 8px 0;
  border: none;
  background: none;
  font-family: var(--font-body);
  font-weight: 500;
  transition: color var(--transition);
}
.back-btn:hover { color: var(--lavender-600); }

.baby-summary-card {
  background: linear-gradient(135deg, var(--lavender-600), var(--lavender-500));
  color: white;
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.baby-summary-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}
.baby-summary-info h2 { font-size: 1.3rem; margin-bottom: 4px; }
.baby-summary-age { font-size: 0.9rem; opacity: 0.85; }
.baby-summary-stats {
  margin-left: auto;
  text-align: right;
  flex-shrink: 0;
}
.progress-ring-text { font-size: 2rem; font-weight: 700; }
.progress-ring-label { font-size: 0.8rem; opacity: 0.8; }

.milestone-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.filter-chip {
  padding: 8px 16px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: white;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}
.filter-chip:hover { border-color: var(--lavender-300); color: var(--lavender-700); }
.filter-chip.active {
  background: var(--lavender-600);
  border-color: var(--lavender-600);
  color: white;
}

.milestones-list { display: flex; flex-direction: column; gap: 10px; }
.milestone-item {
  background: white;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
}
.milestone-item:hover { border-color: var(--lavender-200); box-shadow: var(--shadow-sm); }
.milestone-item.completed { background: var(--sage); border-color: #bbf7d0; }
.milestone-item.current { border-color: var(--lavender-300); background: var(--lavender-50); }

.milestone-checkbox {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--lavender-300);
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  margin-top: 2px;
  background: white;
}
.milestone-item.completed .milestone-checkbox {
  background: var(--success);
  border-color: var(--success);
  color: white;
}
.milestone-checkbox:hover { border-color: var(--lavender-500); background: var(--lavender-50); }
.milestone-checkbox svg { display: none; }
.milestone-item.completed .milestone-checkbox svg { display: block; }

.milestone-content { flex: 1; min-width: 0; }
.milestone-title-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.milestone-title { font-weight: 600; font-size: 0.95rem; color: var(--text-primary); }
.milestone-item.completed .milestone-title { text-decoration: line-through; color: var(--text-muted); }
.milestone-tag {
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.tag-social_emotional { background: #fdf2f8; color: #be185d; }
.tag-language         { background: #eff6ff; color: #1d4ed8; }
.tag-cognitive        { background: #fefce8; color: #92400e; }
.tag-motor            { background: #f0fdf4; color: #166534; }
.tag-current          { background: var(--lavender-100); color: var(--lavender-700); }

.milestone-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }
.milestone-age  { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
.milestone-completed-date { font-size: 0.78rem; color: var(--success); margin-top: 4px; font-weight: 500; }

.milestone-section-header {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  padding: 20px 0 8px;
}

.empty-milestones {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
}
.empty-milestones .icon { font-size: 3rem; margin-bottom: 12px; }

/* ─── Loading ────────────────────────────────────────────────── */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--lavender-100);
  border-top-color: var(--lavender-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-page {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}
.loading-page p { color: var(--text-muted); font-size: 0.9rem; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero { padding: 60px 0 40px; }
  .babies-grid { grid-template-columns: 1fr; }
  .baby-summary-stats { margin-left: 0; text-align: left; }
  .auth-card { padding: 28px 24px; }
  .modal { padding: 28px 20px; }
  .dashboard { padding: 24px 16px; }
  .milestone-page { padding: 24px 16px; }
  .navbar { padding: 0 16px; }
}