/**
 * Party of One — Shared Styles
 *
 * Design system shared across all pages.
 * Uses the same color palette and typography as the landing page.
 *
 * Colors:
 *   --warm (#F5F0EB)        — Background, warmth
 *   --ink (#1A1A1A)          — Primary text
 *   --amber (#E8913A)        — Accent, energy
 *   --amber-light (#F4C182)  — Light accent
 *   --sage (#7B9E7B)         — Solo/comfort zone
 *   --blush (#D4847C)        — Connection/emotion
 *   --deep (#2C2438)         — Dark sections
 *
 * Typography:
 *   Syne — Headings (800, 700, 600)
 *   DM Sans — Body text (400, 500)
 */

/* ── Reset & Variables ── */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --warm: #F5F0EB;
  --ink: #1A1A1A;
  --amber: #E8913A;
  --amber-light: #F4C182;
  --sage: #7B9E7B;
  --blush: #D4847C;
  --deep: #2C2438;
  --card-bg: #FFFFFF;
  --border: rgba(0, 0, 0, 0.06);
  --text-secondary: #666;
  --text-muted: #999;
}

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--ink);
  background: var(--warm);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Navigation ── */
.app-nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: rgba(245, 240, 235, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.nav-logo:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a.active {
  color: var(--ink);
  border-bottom-color: var(--amber);
}

.nav-tagline {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--blush);
  opacity: 0.8;
}

/* ── Page Container ── */
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 6.5rem 2rem 4rem;
  min-height: 100vh;
}

/* ── Page Header ── */
.page-header {
  margin-bottom: 3rem;
}

.page-label {
  display: inline-block;
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.label-guides { color: var(--sage); border: 1.5px solid var(--sage); }
.label-challenges { color: var(--amber); border: 1.5px solid var(--amber); }
.label-stories { color: var(--blush); border: 1.5px solid var(--blush); }

.page-header h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 1rem;
}

.page-header h1 em {
  font-style: italic;
  color: var(--blush);
}

.page-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ── Filters ── */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: capitalize;
}

.filter-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.filter-btn.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.filter-btn .count {
  font-size: 0.7rem;
  opacity: 0.6;
  margin-left: 0.25rem;
}

/* ── Card Grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

/* ── Guide Cards ── */
.guide-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 1.75rem;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.1);
}

.guide-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.guide-emoji {
  font-size: 2rem;
  line-height: 1;
}

.guide-meta {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.difficulty-badge {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}

.difficulty-easy {
  background: rgba(123, 158, 123, 0.15);
  color: var(--sage);
}

.difficulty-medium {
  background: rgba(232, 145, 58, 0.15);
  color: var(--amber);
}

.difficulty-brave {
  background: rgba(212, 132, 124, 0.15);
  color: var(--blush);
}

.category-tag {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.guide-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.guide-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  /* Truncate long descriptions on cards */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Guide Detail View ── */
.guide-detail {
  max-width: 720px;
}

.guide-detail .back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.guide-detail .back-link:hover { color: var(--ink); }

.guide-detail-header {
  margin-bottom: 2.5rem;
}

.guide-detail-header .guide-emoji {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.guide-detail-header h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.guide-detail-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.guide-detail-body {
  margin-bottom: 3rem;
}

.guide-detail-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #444;
  margin-bottom: 1.5rem;
}

.guide-tips {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid var(--border);
}

.guide-tips h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--ink);
}

.guide-tips p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* ── Challenge Cards ── */
.level-section {
  margin-bottom: 3rem;
}

.level-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border);
}

.level-number {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--amber-light);
  opacity: 0.5;
}

.level-header h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}

.level-header .level-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: auto;
}

.challenge-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 1.75rem;
  border: 1px solid var(--border);
  margin-bottom: 1rem;
  transition: all 0.2s ease;
}

.challenge-card:hover {
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.challenge-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.challenge-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  flex: 1;
}

.challenge-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  margin-left: 1rem;
  padding: 0.15rem 0.5rem;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 6px;
}

.challenge-card > p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.challenge-tips {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-style: italic;
}

.challenge-tips strong {
  font-style: normal;
  color: var(--text-secondary);
}

/* Level-specific accent colors */
.level-comfort_zone .level-header { border-bottom-color: rgba(123, 158, 123, 0.3); }
.level-comfort_zone .level-number { color: var(--sage); }
.level-stretching .level-header { border-bottom-color: rgba(232, 145, 58, 0.3); }
.level-stretching .level-number { color: var(--amber); }
.level-brave .level-header { border-bottom-color: rgba(212, 132, 124, 0.3); }
.level-brave .level-number { color: var(--blush); }
.level-social_butterfly .level-header { border-bottom-color: rgba(44, 36, 56, 0.2); }
.level-social_butterfly .level-number { color: var(--deep); }

/* ── Story Cards ── */
.story-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.25s ease;
}

.story-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.1);
}

.story-card-author {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

.story-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.story-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.story-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 1rem;
}

.story-tag {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.15rem 0.5rem;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 4px;
  text-transform: lowercase;
}

/* ── Story Detail ── */
.story-detail {
  max-width: 720px;
}

.story-detail .back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.story-detail .back-link:hover { color: var(--ink); }

.story-detail-header {
  margin-bottom: 2.5rem;
}

.story-detail-header .story-card-author {
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.story-detail-header h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.story-detail-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #444;
}

.story-detail-body p {
  margin-bottom: 1.25rem;
}

/* ── Submit Story Form ── */
.submit-form {
  max-width: 640px;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  color: var(--ink);
}

.form-group .label-hint {
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

.form-input,
.form-textarea {
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--card-bg);
  color: var(--ink);
  transition: border-color 0.2s;
  outline: none;
}

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

.form-textarea {
  min-height: 200px;
  resize: vertical;
  line-height: 1.7;
}

.char-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  margin-top: 0.25rem;
}

.submit-btn {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 2rem;
  border-radius: 12px;
  border: none;
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
}

.submit-btn:hover {
  background: var(--deep);
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Form success/error messages */
.form-message {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.form-message.success {
  background: rgba(123, 158, 123, 0.1);
  color: var(--sage);
  border: 1px solid rgba(123, 158, 123, 0.2);
}

.form-message.error {
  background: rgba(212, 132, 124, 0.1);
  color: var(--blush);
  border: 1px solid rgba(212, 132, 124, 0.2);
}

/* ── CTA Button ── */
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--amber);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1.5px solid var(--amber);
  border-radius: 100px;
  transition: all 0.2s ease;
  margin-top: 2rem;
}

.cta-link:hover {
  background: var(--amber);
  color: #fff;
}

/* ── Footer ── */
.app-footer {
  padding: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.app-footer span {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  color: #777;
}

/* Studio production credit: sits below the main footer line.
   Styled like a film or album liner note — small-caps, generous letter-spacing.
   Proud but not overpowering; clearly reads as an intentional credit. */
.studio-credit {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.72rem;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  color: #888;
}

/* ── Loading State ── */
.loading {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.loading::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 0.75rem;
  vertical-align: middle;
}

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

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 1rem;
}

/* ── Mobile Nav Toggle ── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--ink);
  padding: 0.25rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .app-nav {
    padding: 0.85rem 1.25rem;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    margin-top: 0.75rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.6rem 0;
    border-bottom: none;
  }

  .nav-tagline { display: none; }

  .page {
    padding: 5.5rem 1.25rem 3rem;
  }

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

  .guide-detail,
  .story-detail,
  .submit-form {
    max-width: 100%;
  }

  .level-header {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .page-header h1 {
    font-size: 1.8rem;
  }

  .filters {
    gap: 0.35rem;
  }

  .filter-btn {
    font-size: 0.75rem;
    padding: 0.3rem 0.75rem;
  }
}