/* App shell — extends landing page design tokens */
:root {
  --cream: #FBF7F0;
  --warm-white: #FFFDF8;
  --terracotta: #C8531A;
  --terracotta-light: #E8714A;
  --slate: #2D3748;
  --slate-light: #4A5568;
  --sage: #7A9E7E;
  --sage-light: #A8C4A9;
  --sand: #E8DCC8;
  --sand-dark: #D4C4A0;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--slate);
  line-height: 1.6;
  overflow-x: hidden;
}

/* APP LAYOUT */
.app-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(251, 247, 240, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 196, 160, 0.4);
}

.app-nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--terracotta);
  letter-spacing: -0.02em;
  cursor: pointer;
}

.app-nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-child-badge {
  font-size: 0.8rem;
  color: var(--slate-light);
  font-weight: 400;
}

.nav-child-badge strong {
  color: var(--slate);
  font-weight: 600;
}

.btn-ghost {
  background: none;
  border: 1px solid var(--sand-dark);
  color: var(--slate-light);
  padding: 0.4rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.15s;
}

.btn-ghost:hover { background: var(--sand); }

/* MAIN CONTENT */
.app-main {
  padding-top: 80px;
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* WELCOME / NO CHILD STATE */
.welcome-section {
  text-align: center;
  padding: 4rem 2rem;
}

.welcome-section h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.welcome-section p {
  color: var(--slate-light);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

/* ACTIVITY CARD */
.activity-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.activity-section-header h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--slate);
}

.activity-date {
  font-size: 0.82rem;
  color: var(--slate-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
}

.activity-card {
  background: var(--warm-white);
  border-radius: 20px;
  border: 1px solid var(--sand-dark);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.activity-card-header {
  padding: 1.75rem 2rem 1.25rem;
  border-bottom: 1px solid var(--sand);
}

.activity-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--sage-light);
  color: #2D4A2F;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 0.85rem;
}

.activity-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--slate);
  line-height: 1.2;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.activity-desc {
  font-size: 0.95rem;
  color: var(--slate-light);
  line-height: 1.65;
  font-weight: 300;
}

.activity-meta {
  display: flex;
  gap: 2rem;
  padding: 1.25rem 2rem;
  background: var(--cream);
  border-top: 1px solid var(--sand);
}

.activity-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.activity-meta-val {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--terracotta);
}

.activity-meta-label {
  font-size: 0.7rem;
  color: var(--slate-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.activity-body {
  padding: 1.75rem 2rem 2rem;
}

.activity-materials {
  margin-bottom: 1.5rem;
}

.activity-section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 0.6rem;
}

.activity-materials-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.material-tag {
  background: var(--sand);
  color: var(--slate);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
}

.activity-steps {
  counter-reset: step;
}

.step-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}

.step-num {
  counter-increment: step;
  content: counter(step);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--terracotta);
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.step-text {
  font-size: 0.92rem;
  color: var(--slate);
  line-height: 1.55;
  flex: 1;
}

/* PRINT BUTTON */
.print-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--terracotta);
  color: white;
  border: none;
  padding: 0.65rem 1.4rem;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.15s;
  margin-top: 1rem;
}

.print-btn:hover { background: var(--terracotta-light); }

/* GATE PAGE */
.gate-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--cream);
}

.gate-card {
  background: var(--warm-white);
  border-radius: 24px;
  border: 1px solid var(--sand-dark);
  padding: 2.5rem;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}

.gate-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--terracotta);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.gate-tagline {
  font-size: 0.82rem;
  color: var(--slate-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.gate-heading {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.gate-sub {
  font-size: 0.88rem;
  color: var(--slate-light);
  font-weight: 300;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--slate);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--sand-dark);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  background: white;
  color: var(--slate);
  transition: border-color 0.15s;
  outline: none;
}

.form-input:focus { border-color: var(--terracotta); }

.form-error {
  font-size: 0.8rem;
  color: var(--terracotta);
  margin-top: 0.4rem;
}

.form-success {
  font-size: 0.85rem;
  color: var(--sage);
  margin-top: 0.4rem;
}

.btn-primary {
  width: 100%;
  background: var(--terracotta);
  color: white;
  border: none;
  padding: 0.85rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.15s;
  margin-top: 0.5rem;
}

.btn-primary:hover { background: var(--terracotta-light); }

.btn-secondary {
  width: 100%;
  background: none;
  border: 1.5px solid var(--sand-dark);
  color: var(--slate);
  padding: 0.75rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-body);
  margin-top: 0.75rem;
  transition: background 0.15s;
}

.btn-secondary:hover { background: var(--sand); }

.gate-divider {
  text-align: center;
  margin: 1.5rem 0;
  font-size: 0.82rem;
  color: var(--slate-light);
  position: relative;
}

.gate-divider::before, .gate-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: var(--sand-dark);
}

.gate-divider::before { left: 0; }
.gate-divider::after { right: 0; }

/* PROFILE SETUP */
.profile-setup {
  padding: 2rem;
}

.profile-setup h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.profile-setup > p {
  font-size: 0.88rem;
  color: var(--slate-light);
  font-weight: 300;
  margin-bottom: 2rem;
}

.interest-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.interest-tag {
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
  font-size: 0.82rem;
  border: 1.5px solid var(--sand-dark);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-body);
  background: white;
  color: var(--slate);
  font-weight: 500;
}

.interest-tag.selected {
  background: var(--sage-light);
  border-color: var(--sage);
  color: #2D4A2F;
}

.age-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.age-btn {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1.5px solid var(--sand-dark);
  background: white;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--slate);
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.15s;
}

.age-btn:hover { border-color: var(--terracotta); color: var(--terracotta); }
.age-btn.selected { background: var(--terracotta); border-color: var(--terracotta); color: white; }

/* Loading spinner */
.loading-spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* Responsive */
@media (max-width: 600px) {
  .container { padding: 1rem; }
  .activity-card-header { padding: 1.25rem; }
  .activity-meta { padding: 1rem 1.25rem; gap: 1rem; }
  .activity-body { padding: 1.25rem; }
}

/* Print styles */
@media print {
  .app-nav, .print-btn, .activity-section-header button { display: none !important; }
  body { background: white; }
  .activity-card { box-shadow: none; border: 1px solid #ddd; }
  .container { max-width: 100%; padding: 0; }
  .activity-card-header { background: #f9f7f2; }
  .step-num { background: var(--terracotta); -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}