@font-face {
  font-family: "Pretendard Variable";
  src: url("assets/fonts/PretendardVariable.woff2") format("woff2-variations");
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
}

:root {
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --bg: #fbf6f2;
  --card: #ffffff;
  --ink: #1f1a17;
  --mute: #625953;
  --line: #ebe2da;
  --soft: #fdf0e8;
  --accent: #ff3e9d;
  --accent-ink: #c2006a;
  --accent-bg: #d6136f;
  --lav: #efeaff;
  --lav-ink: #4b2fb8;
  --mint: #e6f6ee;
  --mint-ink: #1d6b45;
  --sky: #e8f3fd;
  --amber-1: #fff3d6;
  --amber-ink: #7a4f00;
  --sig-few: #22704a;
  --sig-some: #8a5a00;
  --sig-many: #a3361f;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(31, 26, 23, .04), 0 8px 24px -12px rgba(31, 26, 23, .18);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141110;
    --card: #1e1a18;
    --ink: #f3ece6;
    --mute: #aba097;
    --line: #342c27;
    --soft: #2a1f19;
    --accent-ink: #ff9fcd;
    --lav: #251e3d;
    --lav-ink: #c9b8ff;
    --mint: #15281f;
    --mint-ink: #8fe0b5;
    --sky: #14222f;
    --amber-1: #2d2410;
    --amber-ink: #f5c75a;
    --sig-few: #4cc58a;
    --sig-some: #f0b43c;
    --sig-many: #ff8a6b;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #141110;
  --card: #1e1a18;
  --ink: #f3ece6;
  --mute: #aba097;
  --line: #342c27;
  --soft: #2a1f19;
  --accent-ink: #ff9fcd;
  --lav: #251e3d;
  --lav-ink: #c9b8ff;
  --mint: #15281f;
  --mint-ink: #8fe0b5;
  --sky: #14222f;
  --amber-1: #2d2410;
  --amber-ink: #f5c75a;
  --sig-few: #4cc58a;
  --sig-some: #f0b43c;
  --sig-many: #ff8a6b;
  color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  word-break: keep-all;
  overflow-wrap: anywhere;
  padding-bottom: calc(76px + env(safe-area-inset-bottom));
}

button, input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3 { line-height: 1.25; text-wrap: balance; margin: 0 0 8px; }
h1 { font-size: 1.6rem; font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: 1.2rem; font-weight: 750; letter-spacing: -.01em; }
h3 { font-size: 1rem; font-weight: 700; }
p, li { text-wrap: pretty; }
a { color: var(--accent-ink); }

:focus-visible { outline: 3px solid var(--accent-ink); outline-offset: 2px; border-radius: 8px; }

.ribbon {
  background: var(--ink);
  color: var(--bg);
  text-align: center;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .02em;
  padding: 4px 16px;
}

.top {
  max-width: 880px;
  margin: 0 auto;
  padding: 18px 16px 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 14px;
}
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--ink); font-size: 1.35rem; font-weight: 800; letter-spacing: -.02em; }
.brand svg { width: 30px; height: 30px; filter: drop-shadow(0 4px 6px rgba(238, 31, 134, .35)); align-self: center; }
.brand b { color: var(--accent-ink); font-weight: 800; }
.tagline { margin: 0; color: var(--mute); font-size: .9rem; line-height: 1.35; padding-top: 2px; }
.top-actions { margin-left: auto; display: flex; gap: 8px; align-self: center; }
.top-btn { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 12px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--card); cursor: pointer; font-weight: 600; font-size: .85rem; }
.top-btn.icon { width: 44px; justify-content: center; padding: 0; font-size: 1.05rem; }
.kbd { font: inherit; font-size: .72rem; color: var(--mute); border: 1px solid var(--line); border-radius: 6px; padding: 0 5px; }
@media (max-width: 760px) { .top { align-items: center; } .top-actions { order: 2; } .top .tagline { order: 3; flex-basis: 100%; } }
@media (max-width: 520px) { .top-btn-label, .kbd { display: none; } .top-btn { width: 44px; min-height: 44px; justify-content: center; padding: 0; } }

.tabs {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  background: color-mix(in srgb, var(--card) 92%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
}
.tabs a {
  display: grid;
  justify-items: center;
  gap: 1px;
  padding: 6px 2px;
  border-radius: 14px;
  color: var(--mute);
  text-decoration: none;
  font-size: .72rem;
  font-weight: 600;
  transition: background .2s, color .2s, transform .25s var(--spring);
}
.tabs a span { font-size: 1.25rem; line-height: 1.1; }
.tabs a:active { transform: scale(.94); }
.tabs a[aria-current="page"] { color: var(--accent-ink); background: var(--soft); }

@media (min-width: 760px) {
  body { padding-bottom: 0; }
  .tabs {
    position: sticky;
    top: 0;
    bottom: auto;
    max-width: 880px;
    margin: 6px auto 0;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 5px;
    gap: 4px;
    box-shadow: var(--shadow);
  }
  .tabs a { display: flex; justify-content: center; align-items: center; gap: 6px; font-size: .9rem; border-radius: 999px; }
  .tabs a span { font-size: 1.05rem; }
}

#view { max-width: 880px; margin: 0 auto; padding: 18px 16px 28px; outline: none; }

.foot {
  max-width: 880px;
  margin: 0 auto;
  padding: 8px 16px 28px;
  color: var(--mute);
  font-size: .78rem;
}
.foot p { margin: 2px 0; }

/* shared components */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.stack { display: grid; gap: 14px; }
.grid2 { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.muted { color: var(--mute); }
.small { font-size: .85rem; }
.tiny { font-size: .75rem; }
.eyebrow { font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--mute); margin: 0 0 4px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 700;
  cursor: pointer;
  background: var(--accent-bg);
  color: #fff;
  transition: transform .25s var(--spring), filter .2s;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: scale(.96); }
.btn.ghost { background: var(--card); color: var(--ink); border: 1.5px solid var(--line); }
.btn.soft { background: var(--soft); color: var(--accent-ink); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 2px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: .9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform .2s var(--spring), border-color .2s, background .2s;
}
.chip:hover { transform: translateY(-2px); }
.chip:active { transform: scale(.95); }
.chip[aria-pressed="true"] { border-color: var(--accent-bg); background: var(--soft); font-weight: 700; }

.field { display: grid; gap: 6px; }
.field label, .field .label { font-size: .85rem; font-weight: 700; }
.input, select.input {
  width: 100%;
  border: 1.5px solid var(--line);
  background: var(--card);
  border-radius: 14px;
  padding: 11px 14px;
}

.signal {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 4px 12px;
  font-weight: 800;
  font-size: .85rem;
  color: #fff;
}
.signal.few { background: var(--sig-few); }
.signal.some { background: var(--sig-some); }
.signal.many { background: var(--sig-many); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .signal { color: #141110; } }
:root[data-theme="dark"] .signal { color: #141110; }

.toolchip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .75rem;
  font-weight: 700;
  background: var(--lav);
  color: var(--lav-ink);
  border-radius: 999px;
  padding: 3px 10px;
}

.disclaimer {
  font-size: .78rem;
  color: var(--mute);
  border-top: 1px dashed var(--line);
  margin-top: 12px;
  padding-top: 8px;
}
.demo-tag {
  display: inline-block;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--amber-ink);
  background: var(--amber-1);
  border-radius: 6px;
  padding: 1px 6px;
  vertical-align: middle;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(90px + env(safe-area-inset-bottom));
  transform: translate(-50%, 20px);
  background: var(--ink);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .35s var(--spring);
  z-index: 30;
  max-width: calc(100% - 32px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
@media (min-width: 760px) { .toast { bottom: 28px; } }

.placeholder { text-align: center; padding: 40px 16px; color: var(--mute); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}