/* ==========================================================================
   Find Something to Do — design system
   Based on a vibrant, block-based, youth-focused direction.
   Reference: ui-ux-pro-max skill (`--design-system` recommendation).
   ========================================================================== */

:root {
  --bg: #FFF7ED;
  --surface: #FFFFFF;
  --fg: #0F172A;
  --fg-muted: #475569;

  --primary: #EA580C;
  --primary-soft: #FFEDD5;
  --secondary: #F97316;
  --accent: #2563EB;
  --accent-soft: #DBEAFE;

  --border: #F1DEC9;
  --border-strong: #E4C9A8;

  --ok: #16A34A;
  --ok-soft: #DCFCE7;
  --warn: #D97706;
  --warn-soft: #FEF3C7;
  --danger: #DC2626;
  --danger-soft: #FEE2E2;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px -12px rgba(15, 23, 42, .12);
  --shadow-lg: 0 2px 4px rgba(15, 23, 42, .05), 0 18px 44px -16px rgba(15, 23, 42, .22);

  --font-display: "Righteous", "Poppins", system-ui, sans-serif;
  --font-body: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
@media (min-width: 768px) { .topbar { padding: 14px 32px; } }

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: .2px;
}
@media (max-width: 420px) { .brand-name { display: none; } }

.topbar-actions { display: flex; align-items: center; gap: 10px; }
.city-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: .85rem;
}
.city-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.location-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--fg-muted);
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 500;
  transition: border-color .2s, color .2s, background .2s;
}
.location-btn:hover { border-color: var(--primary); color: var(--primary); }
.location-btn.is-on { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- Hero ---------- */
.hero {
  padding: 40px 20px 32px;
  text-align: center;
}
@media (min-width: 768px) { .hero { padding: 72px 32px 48px; } }

.eyebrow {
  margin: 0 0 8px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--primary);
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: .2px;
  color: var(--fg);
}

.hero-sub {
  max-width: 46ch;
  margin: 18px auto 0;
  color: var(--fg-muted);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  border-radius: 16px;
  font-weight: 600;
  font-size: 1.02rem;
  border: 1px solid transparent;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.cta:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.cta-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 12px 28px -12px rgba(234, 88, 12, .8);
}
.cta-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 36px -14px rgba(234, 88, 12, .9); }

.cta-secondary {
  background: var(--surface);
  color: var(--fg);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.cta-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

.cta-sm { padding: 12px 20px; font-size: .95rem; }

.plans-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  background: none;
  border: none;
  color: var(--fg-muted);
  font-size: .92rem;
  font-weight: 500;
  transition: color .2s;
}
.plans-link:hover { color: var(--primary); }

/* ---------- Feed ---------- */
.feed { padding: 8px 20px 40px; }
@media (min-width: 768px) { .feed { padding: 8px 32px 56px; } }
.feed--plans { background: transparent; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 0 8px;
  border-bottom: 1px solid var(--border);
}

.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.tab {
  border: none;
  background: transparent;
  padding: 9px 16px;
  border-radius: 9px;
  font-weight: 600;
  font-size: .92rem;
  color: var(--fg-muted);
  transition: background .2s, color .2s;
}
.tab:hover { color: var(--fg); }
.tab.is-active { background: var(--primary); color: #fff; }

.sort-control { display: inline-flex; align-items: center; gap: 4px; }
.sort-label { font-size: .8rem; color: var(--fg-muted); margin-right: 4px; text-transform: uppercase; letter-spacing: .08em; }
.sort-btn {
  border: none;
  background: transparent;
  padding: 7px 12px;
  border-radius: 9px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--fg-muted);
  transition: background .2s, color .2s;
}
.sort-btn:hover { color: var(--fg); background: var(--primary-soft); }
.sort-btn.is-active { background: var(--fg); color: #fff; }

/* Category chips */
.chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 16px 0 4px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--fg);
  font-size: .86rem;
  font-weight: 500;
  transition: background .2s, border-color .2s, color .2s;
}
.chip:hover { border-color: var(--primary); }
.chip.is-active { background: var(--fg); color: #fff; border-color: var(--fg); }
.chip .chip-count { color: var(--fg-muted); font-size: .78rem; }
.chip.is-active .chip-count { color: rgba(255, 255, 255, .7); }

.feed-meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 20px 0 16px;
}
.feed-title { margin: 0; font-family: var(--font-display); font-size: 1.5rem; font-weight: 400; }
.feed-count { color: var(--fg-muted); font-size: .9rem; font-weight: 500; }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 640px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cards { grid-template-columns: repeat(3, 1fr); } }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
  animation: rise .35s ease both;
  cursor: pointer;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-top-right { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.open-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
}
.open-status .dot { width: 7px; height: 7px; border-radius: 50%; }
.open-status.is-open { background: var(--ok-soft); color: var(--ok); }
.open-status.is-open .dot { background: var(--ok); }
.open-status.is-closed { background: #F1E8DE; color: var(--fg-muted); }
.open-status.is-closed .dot { background: var(--fg-muted); }

.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .76rem;
  font-weight: 600;
}

.avail {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 600;
}
.avail-ok { background: var(--ok-soft); color: var(--ok); }
.avail-warn { background: var(--warn-soft); color: var(--warn); }
.avail-full { background: var(--danger-soft); color: var(--danger); }

.limited-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .74rem;
  font-weight: 600;
}

.limited-banner {
  margin: 4px 0 16px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: .95rem;
}

.card-title { margin: 0; font-size: 1.1rem; font-weight: 600; line-height: 1.3; }
.card-desc {
  margin: 0;
  color: var(--fg-muted);
  font-size: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta { display: flex; flex-direction: column; gap: 9px; margin-top: auto; }
.meta-row { display: flex; align-items: center; gap: 8px; color: var(--fg); font-size: .9rem; }
.meta-row svg { flex: 0 0 auto; color: var(--fg-muted); }
.meta-time { font-weight: 600; }
.meta-rel {
  margin-left: auto;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--ok-soft);
  color: var(--ok);
  font-size: .74rem;
  font-weight: 600;
  white-space: nowrap;
}
.meta-rel.is-started { background: var(--warn-soft); color: var(--warn); }
.meta-rel.is-live { background: var(--danger-soft); color: var(--danger); }
.meta-dim { color: var(--fg-muted); }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: .78rem;
  color: var(--fg-muted);
}
.card-source { font-weight: 500; }
.social-hint { color: var(--accent); font-weight: 500; }

/* Empty state */
.empty { text-align: center; padding: 60px 20px; }
.empty-emoji { font-size: 3rem; }
.empty h3 { margin: 12px 0 4px; font-family: var(--font-display); font-size: 1.3rem; font-weight: 400; }
.empty p { color: var(--fg-muted); max-width: 40ch; margin: 0 auto 20px; }

.footer {
  padding: 32px 20px 48px;
  text-align: center;
  color: var(--fg-muted);
  font-size: .85rem;
  border-top: 1px solid var(--border);
}
.footer p { margin: 4px 0; }
.footer-note { font-size: .78rem; }

/* Loading skeleton */
.skeleton {
  border-radius: var(--radius-lg);
  background: linear-gradient(100deg, #f6eadb 40%, #f1e0cd 50%, #f6eadb 60%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite;
  height: 180px;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- Detail view ---------- */
.detail-loading { padding: 60px 20px; text-align: center; color: var(--fg-muted); }

.detail-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 12px 20px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
@media (min-width: 768px) { .detail-bar { padding: 14px 32px; } }

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow);
  font-size: .95rem;
  font-weight: 600;
  color: var(--fg);
  transition: transform .15s, border-color .2s, background .2s, box-shadow .2s;
}
.back-btn:hover { border-color: var(--primary); color: var(--primary); transform: translateX(-2px); }
.back-btn:active { transform: translateX(-2px) scale(.97); }

.detail-hero {
  padding: 16px 20px 8px;
}
@media (min-width: 768px) { .detail-hero { padding: 24px 32px 8px; max-width: 760px; margin: 0 auto; } }

.detail-title {
  margin: 12px 0 4px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1.1;
}
.detail-sub { margin: 0; color: var(--fg-muted); font-size: 1rem; }

.detail-body {
  padding: 8px 20px 48px;
}
@media (min-width: 768px) { .detail-body { padding: 8px 32px 64px; max-width: 760px; margin: 0 auto; } }

.detail-desc { font-size: 1.05rem; line-height: 1.6; color: var(--fg); }

.detail-note {
  margin: 16px 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--warn-soft);
  color: var(--warn);
  font-size: .9rem;
}

.fact-list {
  margin: 18px 0;
  padding: 6px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.fact-row {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.fact-row:last-child { border-bottom: none; }
.fact-icon { flex: 0 0 auto; color: var(--fg-muted); display: inline-flex; align-items: center; }
.fact-label { flex: 0 0 130px; color: var(--fg-muted); font-size: .85rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.fact-value { flex: 1; font-weight: 500; }

.detail-section { margin: 26px 0; }
.detail-section h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.25rem;
}
.detail-section p { margin: 0; color: var(--fg); line-height: 1.6; }
.detail-section ul { margin: 0; padding-left: 18px; }
.detail-section li { margin: 4px 0; line-height: 1.5; }

.detail-table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius-md); overflow: hidden; }
.detail-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: .95rem; }
.detail-table tr:last-child td { border-bottom: none; }
.detail-table td:first-child { color: var(--fg-muted); font-weight: 500; width: 45%; }

.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--fg);
  font-weight: 600;
  font-size: .92rem;
  transition: border-color .2s, color .2s, background .2s;
}
.link-btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.link-btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.link-btn-primary:hover { background: var(--secondary); color: #fff; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }