@tailwind base;
@tailwind components;
@tailwind utilities;

/* ── Base ─────────────────────────────────────────────── */
@layer base {
  html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    @apply bg-surface-950 font-sans text-neutral-100;
  }

  body {
    overflow-x: hidden;
  }

  ::selection {
    @apply bg-brand-blue/35 text-white;
  }

  :focus-visible {
    @apply outline outline-2 outline-offset-2 outline-brand-blue-light;
  }

  /* 고정 헤더(64px)가 앵커 대상의 머리를 가리지 않게 한다. */
  [id] {
    scroll-margin-top: 5rem;
  }

  /* 의미적 강조는 세미볼드까지 — 볼드(700) 금지 (design.md 타이포 원칙 1) */
  strong, b { font-weight: 600; }

  [hidden] { display: none !important; }
}

/* ── Components ───────────────────────────────────────── */
@layer components {
  .section {
    @apply py-20 md:py-28;
  }

  /* 버튼: 최소 44px 터치 타깃. 흰 글자 대비 4.5:1 이상을 위해 채움색은 blue-dark 계열. */
  .btn {
    @apply inline-flex min-h-[44px] flex-wrap items-center justify-center gap-x-2 gap-y-1 rounded-xl px-5 py-2 text-center text-base font-medium leading-snug transition-colors duration-150;
  }
  .btn-sm {
    @apply min-h-[40px] px-4 text-sm;
  }
  .btn-lg {
    @apply min-h-[52px] px-7;
  }
  .btn-primary {
    @apply bg-brand-blue-dark text-white hover:bg-brand-blue-deep;
  }
  .btn-secondary {
    @apply border border-white/15 bg-surface-800 text-neutral-100 hover:border-white/30 hover:bg-surface-700;
  }

  .link {
    @apply text-brand-blue-light underline decoration-brand-blue-light/40 underline-offset-4 transition-colors hover:decoration-brand-blue-light;
  }

  .kbd {
    @apply inline-flex min-h-[32px] items-center rounded-md border border-white/15 border-b-white/25 bg-surface-700 px-2.5 font-sans text-sm text-neutral-100;
  }
  .kbd-accent {
    @apply border-brand-blue/50 border-b-brand-blue bg-brand-blue/15 text-brand-blue-light;
  }

  .skip-link {
    @apply fixed left-4 top-3 z-[60] -translate-y-24 rounded-lg bg-surface-800 px-4 py-3 text-sm text-white shadow-chassis focus:translate-y-0;
  }
}

/* ── 히어로 예시: 입력 대상 창 ─────────────────────────── */
.demo-window {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0f1116;
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.6);
}
.demo-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: #151821;
  font-size: 12px;
  color: #a1a1aa;
}
.demo-app-icon {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: #3b82f6;
}
.demo-win-glyph {
  font-size: 11px;
  line-height: 1;
}
.demo-doc {
  min-height: 236px;
  padding: 22px 22px 108px;
  font-size: 15px;
  line-height: 1.7;
}
.demo-typed {
  border-radius: 3px;
  animation: demo-paste 1.6s ease-out;
}
@keyframes demo-paste {
  0% { background: rgba(59, 130, 246, 0.35); }
  100% { background: transparent; }
}
.demo-caret {
  display: inline-block;
  width: 2px;
  height: 1.15em;
  margin-left: 1px;
  vertical-align: text-bottom;
  background: #f4f4f5;
  animation: demo-caret 1.06s steps(1) infinite;
}
@keyframes demo-caret {
  50% { opacity: 0; }
}
.demo-capsule-slot {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  display: flex;
  justify-content: center;
  opacity: 0;
  transform: translateY(6px) scale(0.98);
  transition: opacity 180ms cubic-bezier(0.16, 1, 0.3, 1), transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.demo-capsule-slot.is-visible {
  opacity: 1;
  transform: none;
}

/* ── 녹음 캡슐 — 앱 popups/recording-tip/style.css(v4, 2026-09-28)와 같은 값 ───
 * 판 모양(radius 10)·단색 막대·입력 없으면 막대 정지·처리 중 무한 막대·완료 "입력함".
 * 색은 앱 다크 테마 원시값(packages/ui/src/theme-raw.ts)과 같다 — 값이 바뀌면 함께 고친다. */
.capsule {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 168px;
  max-width: 300px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid rgba(148, 180, 255, 0.12);
  background: #111a30;
  box-shadow: 0 12px 32px rgba(3, 7, 18, 0.55);
}
.capsule.is-listening {
  border-color: rgba(148, 180, 255, 0.2);
}
.capsule-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.capsule-bars {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 22px;
}
.capsule-bar {
  display: block;
  width: 3px;
  min-height: 2px;
  height: 2px;
  border-radius: 2px;
  background: #3b82f6;
  transition: height 80ms ease-out;
}
.capsule.is-thinking .capsule-bar {
  background: #7e8eb0;
}
.capsule-duration {
  min-width: 32px;
  font-size: 13px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: #eef2fb;
}
.capsule-thinking {
  flex: 1;
  font-size: 12px;
  color: #93a4c8;
  white-space: nowrap;
}
.capsule-cancel {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  height: 18px;
  padding: 0 5px;
  border: 1px solid rgba(148, 180, 255, 0.2);
  border-radius: 4px;
  font-size: 11px;
  line-height: 1;
  color: #7e8eb0;
  white-space: nowrap;
}
.capsule-progress {
  position: relative;
  display: block;
  height: 2px;
  overflow: hidden;
  border-radius: 1px;
  background: rgba(148, 180, 255, 0.12);
}
.capsule-progress-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 36%;
  border-radius: 1px;
  background: #3b82f6;
  animation: capsule-indeterminate 1.1s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}
@keyframes capsule-indeterminate {
  from { left: -36%; }
  to { left: 100%; }
}
.capsule-partial {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  max-height: 38px;
  overflow: hidden;
  border-top: 1px solid rgba(148, 180, 255, 0.07);
  padding-top: 6px;
  font-size: 12px;
  line-height: 1.55;
  color: #eef2fb;
}
.capsule.is-thinking .capsule-partial {
  color: #7e8eb0;
}
.capsule-done {
  font-size: 12px;
  color: #eef2fb;
}
.capsule-done-icon {
  color: #34d399;
}

/* ── Grid Background Pattern (히어로) ─────────────────── */
.bg-grid {
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ── Utilities ─────────────────────────────────────────── */
@layer utilities {
  .text-balance {
    text-wrap: balance;
  }
  /* 한글 어절 단위 줄바꿈. 중국어·일본어에 keep-all을 걸면 줄바꿈 기회가 사라지므로 한국어에만 적용한다. */
  .keep-ko {
    overflow-wrap: break-word;
  }
  .keep-ko:lang(ko) {
    word-break: keep-all;
  }
}

/* ── Reduced motion ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}