/* Reset, app shell, layout, motion utilities. Tokens live in tokens.css. */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --brand-ink: var(--ink);
  --brand-accent: var(--primary);
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
}

h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: not-allowed; }
[hidden] { display: none !important; }
table { border-collapse: collapse; width: 100%; }

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}
/* The router focuses #outlet after each navigation for screen readers; it is not a control, so no ring. */
#outlet:focus-visible { outline: none; border-radius: 0; }

::selection { background: var(--primary-200); color: var(--ink); }

.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.i { flex: none; }
.muted { color: var(--text-2); }
.faint { color: var(--text-3); }
.clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- Shell ---------- */
.app { min-height: 100dvh; display: block; }
.main { min-width: 0; padding-bottom: calc(var(--nav-h) + 32px + var(--safe-b)); }
.page { width: 100%; max-width: var(--page-max); margin: 0 auto; padding: 0 16px; }
.page.narrow { max-width: 760px; }
.page.wide { max-width: 1320px; }
.view { animation: view-in var(--t-slow) var(--ease) both; }
.view.leaving { animation: view-out 160ms var(--ease) both; }

.rail { display: none; }

/* Mobile top bar */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 8px;
  padding: calc(10px + var(--safe-t)) 16px 10px;
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}
.topbar.scrolled { border-bottom-color: var(--divider); }
.topbar .brand { display: flex; align-items: center; gap: 8px; margin-right: auto; }
.topbar .page-title { font-weight: 700; font-size: 17px; margin-right: auto; display: flex; align-items: center; gap: 6px; min-width: 0; }
.topbar .page-title span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Floating bottom navigation (mobile / tablet) */
.bottom-nav {
  position: fixed; z-index: 50;
  left: 50%; bottom: calc(12px + var(--safe-b));
  transform: translateX(-50%);
  width: min(460px, calc(100% - 24px));
  height: 64px;
  display: grid; grid-template-columns: repeat(5, 1fr); align-items: center;
  padding: 0 6px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  -webkit-backdrop-filter: saturate(1.5) blur(18px);
  backdrop-filter: saturate(1.5) blur(18px);
  border: 1px solid var(--divider);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  transition: transform var(--t-slow) var(--ease), opacity var(--t-base) var(--ease), visibility 0s;
}
/* visibility as well: iOS Safari can leave a backdrop-filter bar on screen after it slides out. */
.bottom-nav.hidden { transform: translate(-50%, 140%); opacity: 0; pointer-events: none; visibility: hidden; transition: transform var(--t-slow) var(--ease), opacity var(--t-base) var(--ease), visibility 0s linear var(--t-slow); }
.nav-item {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  height: 52px; border-radius: var(--r-lg); color: var(--text-3); font-size: 11px; font-weight: 600;
  transition: color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease-spring);
}
.nav-item .i { transition: transform var(--t-base) var(--ease-spring); }
.nav-item:active { transform: scale(0.92); }
.nav-item.active { color: var(--primary); }
.nav-item.active .i { transform: translateY(-2px) scale(1.08); }
.nav-item .nav-dot {
  position: absolute; top: 5px; left: calc(50% + 6px);
  min-width: 16px; height: 16px; padding: 0 4px; border-radius: 8px;
  background: var(--primary); color: var(--on-primary);
  font: 700 10px/16px var(--font-num); text-align: center;
  animation: pop var(--t-base) var(--ease-spring) both;
}
.nav-item.active::after {
  content: ''; position: absolute; bottom: 3px; width: 16px; height: 3px; border-radius: 2px; background: var(--primary);
  animation: grow-x var(--t-base) var(--ease) both;
}
.nav-add {
  justify-self: center; width: 52px; height: 52px; border-radius: 18px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--primary-500), var(--primary-600));
  color: #fff; box-shadow: var(--sh-primary);
  transition: transform var(--t-base) var(--ease-spring), box-shadow var(--t-base) var(--ease);
}
.nav-add:hover { transform: translateY(-2px) rotate(90deg); }
.nav-add:active { transform: scale(0.92); }
:root[data-theme='dark'] .nav-add { color: #1a1c1f; }

/* ---------- Desktop: left rail ---------- */
@media (min-width: 1024px) {
  .app { display: grid; grid-template-columns: var(--rail-w) minmax(0, 1fr); }
  .main { padding-bottom: 56px; }
  .topbar { display: none; }
  .bottom-nav { display: none; }
  .page { padding: 0 32px; }
  .rail {
    display: flex; flex-direction: column; gap: 4px;
    position: sticky; top: 0; height: 100dvh; padding: 24px 14px 18px;
    background: var(--surface); border-right: 1px solid var(--divider);
  }
  .rail .brand { display: flex; align-items: center; gap: 10px; padding: 4px 12px 22px; }
  .rail-link {
    position: relative; display: flex; align-items: center; gap: 12px; height: 46px; padding: 0 14px;
    border-radius: var(--r-md); color: var(--text-2); font-weight: 600;
    transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
  }
  .rail-link:hover { background: var(--surface-soft); color: var(--text); }
  .rail-link:active { transform: scale(0.98); }
  .rail-link.active { background: var(--primary-50); color: var(--primary); }
  .rail-link.active::before {
    content: ''; position: absolute; left: -14px; top: 11px; bottom: 11px; width: 4px; border-radius: 0 4px 4px 0; background: var(--primary);
    animation: grow-y var(--t-base) var(--ease) both;
  }
  .rail-link .rail-badge {
    margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px;
    background: var(--primary); color: var(--on-primary); font: 700 11px/20px var(--font-num); text-align: center;
  }
  .rail .rail-cta { margin: 14px 4px 6px; }
  .rail .rail-foot { margin-top: auto; display: grid; gap: 4px; padding-top: 12px; border-top: 1px solid var(--divider); }
  .rail .rail-mode {
    margin: 10px 4px 0; padding: 10px 12px; border-radius: var(--r-md);
    background: var(--warn-50); color: var(--warn-500); font-size: 12px; line-height: 1.45;
  }
}

/* Tablet: roomier content, still bottom nav */
@media (min-width: 640px) and (max-width: 1023px) {
  .page { padding: 0 28px; }
}

/* ---------- Layout helpers ---------- */
.stack { display: grid; gap: 12px; }
.stack-lg { display: grid; gap: 20px; }
.row { display: flex; align-items: center; gap: 10px; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.spacer { flex: 1; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.section { margin-top: 28px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.section-head h2 { font-size: 18px; font-weight: 800; letter-spacing: -0.01em; }
.section-head .more { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 2px; }
.h-scroll {
  display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x proximity; padding: 4px 16px 14px;
  margin: 0 -16px; scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.h-scroll::-webkit-scrollbar { display: none; }
.h-scroll > * { scroll-snap-align: start; flex: none; }
@media (min-width: 640px) { .h-scroll { margin: 0 -28px; padding: 4px 28px 14px; } }
@media (min-width: 1024px) { .h-scroll { margin: 0 -32px; padding: 4px 32px 14px; } }

.two-col { display: grid; gap: 20px; }
@media (min-width: 900px) { .two-col { grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr); align-items: start; } .two-col.even { grid-template-columns: 1fr 1fr; } }
.sticky-col { position: sticky; top: 24px; }

/* ---------- Motion ---------- */
@keyframes view-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes view-out { to { opacity: 0; transform: translateY(-4px); } }
@keyframes rise { from { opacity: 0; transform: translateY(14px) scale(0.985); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { 0% { transform: scale(0.4); opacity: 0; } 70% { transform: scale(1.12); opacity: 1; } 100% { transform: scale(1); } }
@keyframes grow-x { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes grow-y { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes grow-bar { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes grow-w { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@keyframes pulse-ring { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary) 45%, transparent); } 100% { box-shadow: 0 0 0 14px transparent; } }
@keyframes fresh-ping { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--fresh) 45%, transparent); } 100% { box-shadow: 0 0 0 6px transparent; } }
@keyframes float-y { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes wiggle { 0%, 100% { transform: rotate(0); } 25% { transform: rotate(-8deg); } 75% { transform: rotate(8deg); } }
@keyframes shake-x { 0%, 100% { transform: translateX(0); } 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }
@keyframes confetti-fall { 0% { transform: translate3d(0, -20px, 0) rotate(0); opacity: 1; } 100% { transform: translate3d(var(--dx, 0), 110vh, 0) rotate(var(--rot, 540deg)); opacity: 0.9; } }
@keyframes blink { 50% { opacity: 0.3; } }
@keyframes marker-drop { 0% { transform: translateY(-26px) scale(0.6); opacity: 0; } 60% { transform: translateY(2px) scale(1.05); opacity: 1; } 100% { transform: none; } }
@keyframes sweep { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* Staggered entrance: set --i on children (ui.stagger() does this). */
.stagger > * { animation: rise var(--t-slow) var(--ease) both; animation-delay: calc(var(--i, 0) * 55ms); }

/* Scroll reveal (IntersectionObserver adds .in) */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 520ms var(--ease), transform 520ms var(--ease); transition-delay: calc(var(--i, 0) * 50ms); }
.reveal.in { opacity: 1; transform: none; }

.skeleton {
  background: linear-gradient(100deg, var(--surface-soft) 30%, var(--surface-sunk) 50%, var(--surface-soft) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
  border-radius: var(--r-sm);
}

.ripple-host { position: relative; overflow: hidden; isolation: isolate; }
.ripple-dot {
  position: absolute; border-radius: 50%; pointer-events: none; z-index: -1;
  background: currentColor; opacity: 0.18; transform: scale(0); animation: ripple 560ms var(--ease) forwards;
}

@media (hover: hover) {
  .lift { transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease); }
  .lift:hover { transform: translateY(-3px); box-shadow: var(--sh-md); border-color: var(--divider-strong); }
}
.press { transition: transform var(--t-fast) var(--ease-spring); }
.press:active { transform: scale(0.97); }

.confetti-layer { position: fixed; inset: 0; pointer-events: none; z-index: 400; overflow: hidden; }
.confetti-layer i { position: absolute; top: 0; width: 8px; height: 14px; border-radius: 2px; animation: confetti-fall var(--dur, 1800ms) cubic-bezier(0.2, 0.7, 0.3, 1) forwards; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-delay: 0ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .confetti-layer { display: none; }
}