/* ═══════════════════════════════════════════════
   BASE.CSS — reset, type, layout shell
═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  height: 100%;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
img, svg { display: block; }
button { cursor: pointer; }

/* ── App shell ──────────────────────────────── */
#app {
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  max-width: 540px;
  margin: 0 auto;
  background: var(--bg);
}

/* ── Pages ──────────────────────────────────── */
.page {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.page.active {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

/* ── Scroll area ────────────────────────────── */
.scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  scrollbar-width: none;
}
.scroll::-webkit-scrollbar { display: none; }

/* ── Typography ─────────────────────────────── */
.t-title {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.t-section {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ── Utilities ──────────────────────────────── */
.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ── Spinner ────────────────────────────────── */
.spinner {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border-md);
  border-top-color: var(--text-2);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 44px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 56px 24px;
  color: var(--text-3);
  text-align: center;
  font-size: 14px;
}
.empty-icon {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--border-md);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
}

/* ── Divider ────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-3);
  font-size: 12px;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Horizontal snap row ────────────────────── */
.snap-row {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  padding: 2px;
}
.snap-row::-webkit-scrollbar { display: none; }
.snap-row > * {
  scroll-snap-align: start;
  flex-shrink: 0;
}

/* ── Pagination ─────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 20px 16px 8px;
  flex-wrap: wrap;
}
.pag-btn {
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-md);
  background: transparent;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pag-btn:active { background: var(--bg-hi); }
.pag-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-inv);
  font-weight: 600;
}
.pag-btn:disabled { opacity: 0.3; }
.pag-dots { color: var(--text-4); font-size: 13px; }

/* ── Genre tag ──────────────────────────────── */
.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0;
}

/* ── Toast ──────────────────────────────────── */
#toast {
  position: fixed;
  bottom: calc(64px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--bg-hi);
  border: 1px solid var(--border-hi);
  border-radius: var(--r-sm);
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  box-shadow: var(--shadow-md);
  max-width: calc(100% - 32px);
  text-align: center;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
#toast.err {
  border-color: var(--danger);
  color: var(--danger);
}