/* Oprah · 中文版 — Design System tokens */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@300;400;500;600;700&family=Noto+Serif+SC:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
  /* Palette: dusk + rose + cream — intimate, intelligent, premium */
  --bg:          #0F0B1A;
  --bg-2:        #1A1330;
  --surface:     rgba(255,255,255,0.04);
  --surface-2:   rgba(255,255,255,0.07);
  --border:      rgba(255,255,255,0.10);
  --border-2:    rgba(255,255,255,0.16);
  --fg:          #F5EFE6;
  --fg-muted:    rgba(245,239,230,0.62);
  --fg-soft:     rgba(245,239,230,0.40);

  --primary:     #E8A0BF;   /* rose */
  --primary-2:   #F5C9DA;
  --accent:      #9B8CFF;   /* lavender */
  --accent-2:    #6E5BFF;
  --gold:        #E8C879;
  --good:        #7EE0B8;
  --warn:        #F5B26B;

  --grad-aurora: radial-gradient(60% 80% at 20% 10%, rgba(155,140,255,0.35) 0%, transparent 60%),
                 radial-gradient(50% 60% at 80% 20%, rgba(232,160,191,0.30) 0%, transparent 60%),
                 radial-gradient(40% 50% at 50% 100%, rgba(232,200,121,0.18) 0%, transparent 70%);

  --radius:      18px;
  --radius-sm:   10px;
  --shadow-1:    0 1px 0 rgba(255,255,255,0.06) inset, 0 10px 30px -10px rgba(0,0,0,0.5);
  --shadow-2:    0 1px 0 rgba(255,255,255,0.08) inset, 0 30px 80px -20px rgba(0,0,0,0.6);

  --t-fast:      150ms cubic-bezier(.2,.7,.2,1);
  --t-med:       260ms cubic-bezier(.2,.7,.2,1);
  --t-slow:      520ms cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-feature-settings: "ss01","cv11";
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed; inset: 0;
  background: var(--grad-aurora);
  pointer-events: none;
  z-index: 0;
  animation: aurora 18s ease-in-out infinite alternate;
}

@keyframes aurora {
  0%   { transform: translate3d(0,0,0) scale(1); filter: hue-rotate(0deg); }
  100% { transform: translate3d(-2%, 2%, 0) scale(1.06); filter: hue-rotate(20deg); }
}

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

.serif { font-family: 'Instrument Serif', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', Georgia, serif; font-weight: 400; letter-spacing: 0.02em; }
.mono  { font-family: ui-monospace, 'JetBrains Mono', SFMono-Regular, Menlo, monospace; }
/* Chinese headings need slightly heavier weight in serif to read well on dark bg */
.h1.serif, .h2.serif { font-weight: 500; }
/* Gradient emphasis (replaces italic, which doesn't apply to CJK) */
.accent-grad { background: linear-gradient(180deg, var(--primary-2), var(--primary)); -webkit-background-clip: text; background-clip: text; color: transparent; font-style: normal; }

a { color: inherit; text-decoration: none; }

/* ---- Layout ---- */
.app {
  position: relative; z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 80px;
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 0 32px;
}
.brand { display:flex; align-items:center; gap:10px; font-weight:600; letter-spacing:0.02em; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 50%;
  background: conic-gradient(from 220deg, var(--primary), var(--accent), var(--gold), var(--primary));
  box-shadow: 0 0 24px rgba(232,160,191,0.55), inset 0 0 8px rgba(255,255,255,0.4);
}
.nav-links { display:flex; gap: 22px; font-size: 14px; color: var(--fg-muted); }
.nav-links a { transition: color var(--t-fast); }
.nav-links a:hover { color: var(--fg); }
.nav-links a.active { color: var(--fg); }
.nav-links a.active::after {
  content:""; display:block; height:1px; background: var(--primary); margin-top:6px;
  box-shadow: 0 0 8px var(--primary);
}

/* ---- Surface / Card ---- */
.card {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}
.card.hover { transition: transform var(--t-med), border-color var(--t-fast), box-shadow var(--t-med); }
.card.hover:hover { transform: translateY(-2px); border-color: var(--border-2); box-shadow: var(--shadow-2); }

/* ---- Buttons ---- */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height: 46px; padding: 0 20px;
  border-radius: 999px;
  font: 500 14px/1 'Inter', sans-serif;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-med);
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary {
  color: #1a1330;
  background: linear-gradient(180deg, var(--primary-2), var(--primary));
  box-shadow: 0 10px 28px -10px var(--primary), 0 0 0 1px rgba(255,255,255,0.2) inset;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 36px -10px var(--primary); }
.btn-ghost {
  color: var(--fg);
  background: var(--surface);
  border-color: var(--border-2);
}
.btn-ghost:hover { background: var(--surface-2); }
.btn svg { width: 16px; height: 16px; }

/* ---- Inputs ---- */
.input {
  width: 100%;
  height: 48px; padding: 0 16px;
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: 12px; color: var(--fg);
  font: 400 15px/1 'Inter', sans-serif;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.input::placeholder { color: var(--fg-soft); }
.input:focus { outline: none; border-color: var(--primary); background: var(--surface-2); }

/* ---- Pin input ---- */
.pin {
  display:flex; gap:12px; justify-content:center;
}
.pin input {
  width: 60px; height: 72px;
  text-align: center; font: 500 28px/1 'Instrument Serif', serif;
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: 14px; color: var(--fg);
  transition: border-color var(--t-fast), transform var(--t-fast), background var(--t-fast);
}
.pin input:focus {
  outline: none; border-color: var(--primary);
  background: var(--surface-2);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -10px var(--primary);
}

/* ---- Chat ---- */
.chat-wrap { display:grid; grid-template-rows: 1fr auto; height: min(72vh, 720px); }
.chat-scroll { overflow-y: auto; padding: 28px 28px 12px; scroll-behavior: smooth; }
.msg { display:flex; gap:12px; margin-bottom: 22px; max-width: 760px; }
.msg.user { margin-left: auto; flex-direction: row-reverse; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%; flex: 0 0 auto;
  background: conic-gradient(from 220deg, var(--primary), var(--accent), var(--gold), var(--primary));
  box-shadow: 0 0 16px rgba(232,160,191,0.4), inset 0 0 6px rgba(255,255,255,0.4);
}
.avatar.user {
  background: linear-gradient(135deg, #2a2046, #3a2a5e);
  border: 1px solid var(--border-2);
}
.bubble {
  padding: 12px 16px;
  border-radius: 18px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 15px; line-height: 1.55;
  color: var(--fg);
  max-width: 100%;
}
.msg.user .bubble {
  background: linear-gradient(180deg, var(--primary-2), var(--primary));
  color: #1a1330;
  border-color: transparent;
}
.bubble .meta { display:block; font-size: 11px; color: var(--fg-soft); margin-top: 6px; letter-spacing: 0.04em; text-transform: uppercase; }

.typing { display:inline-flex; gap:4px; align-items:center; }
.typing span { width:6px; height:6px; background: var(--fg-muted); border-radius:50%; animation: blink 1.2s infinite ease-in-out; }
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes blink {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

.composer {
  display:flex; gap:10px; align-items:center;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.composer .input { flex: 1; height: 44px; border-radius: 999px; }
.mode-toggle {
  display:inline-flex; padding: 4px; background: var(--surface-2);
  border-radius: 999px; border: 1px solid var(--border);
  font-size: 12px;
}
.mode-toggle button {
  background: transparent; border: 0; color: var(--fg-muted);
  height: 28px; padding: 0 14px; border-radius: 999px;
  cursor: pointer; transition: background var(--t-fast), color var(--t-fast);
}
.mode-toggle button.active {
  background: linear-gradient(180deg, var(--primary-2), var(--primary));
  color: #1a1330;
  box-shadow: 0 6px 16px -8px var(--primary);
}

/* ---- Personality map ---- */
.radar-shell { display:grid; grid-template-columns: 1.1fr 1fr; gap: 28px; }
@media (max-width: 880px) { .radar-shell { grid-template-columns: 1fr; } }
.radar-card { padding: 28px; }
.radar { width: 100%; aspect-ratio: 1; max-width: 520px; margin: 0 auto; display:block; }

.dim-list { display:grid; gap:10px; }
.dim {
  display:grid; grid-template-columns: 140px 1fr 44px; align-items:center; gap:14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.dim:hover { border-color: var(--border-2); background: var(--surface-2); }
.dim .name { font-size: 13px; color: var(--fg-muted); letter-spacing: 0.02em; }
.dim .bar { height: 6px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow:hidden; }
.dim .bar > i {
  display:block; height:100%;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 999px;
  box-shadow: 0 0 12px rgba(232,160,191,0.5);
}
.dim .val { font: 500 14px/1 'Instrument Serif', serif; color: var(--fg); text-align: right; }

/* ---- Match code card ---- */
.code-card {
  position: relative;
  padding: 56px 40px;
  text-align: center;
  overflow: hidden;
  border-radius: 24px;
}
.code-card::before {
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(60% 80% at 20% 10%, rgba(155,140,255,0.35), transparent 60%),
    radial-gradient(60% 80% at 80% 90%, rgba(232,160,191,0.4), transparent 60%);
  z-index: -1;
}
.code {
  font: 400 84px/1 'Instrument Serif', serif;
  letter-spacing: 0.18em;
  background: linear-gradient(180deg, #fff, var(--primary-2) 60%, var(--primary));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 8px 40px rgba(232,160,191,0.4);
}
.code-sub { color: var(--fg-muted); margin-top: 12px; letter-spacing: 0.08em; text-transform: uppercase; font-size: 12px; }

/* ---- Collision (relationship) ---- */
.collide {
  position: relative;
  display:grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px;
  padding: 36px;
}
.collide .person { text-align:center; }
.collide .ring {
  width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 14px;
  background: conic-gradient(from 0deg, var(--accent), var(--primary), var(--gold), var(--accent));
  display:grid; place-items:center; padding: 4px;
  animation: spin 14s linear infinite;
}
.collide .ring > div {
  width: 100%; height: 100%; border-radius: 50%;
  background: var(--bg-2); display:grid; place-items:center;
  font: 400 36px/1 'Instrument Serif', serif;
}
@keyframes spin { to { transform: rotate(360deg); } }
.collide .score {
  font: 400 72px/1 'Instrument Serif', serif;
  background: linear-gradient(180deg, #fff, var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.collide .score-label { font-size: 11px; color: var(--fg-soft); letter-spacing: 0.18em; text-transform: uppercase; margin-top: 8px; }

.tag-list { display:flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display:inline-flex; padding: 6px 12px; border-radius: 999px;
  font-size: 12px; letter-spacing: 0.02em;
  background: var(--surface-2); border: 1px solid var(--border-2); color: var(--fg-muted);
}
.tag.good { color: var(--good); border-color: rgba(126,224,184,0.4); }
.tag.warn { color: var(--warn); border-color: rgba(245,178,107,0.4); }

/* ---- Utilities ---- */
.row { display:flex; }
.col { display:flex; flex-direction: column; }
.gap-4 { gap: 4px; } .gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-20 { gap: 20px; } .gap-24 { gap: 24px; } .gap-32 { gap: 32px; }
.center { align-items: center; justify-content: center; }
.between { justify-content: space-between; }
.grow { flex: 1; }
.text-muted { color: var(--fg-muted); }
.text-soft { color: var(--fg-soft); }
.eyebrow { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--fg-soft); }
.h1 { font: 400 64px/1.05 'Instrument Serif', serif; letter-spacing: -0.015em; margin: 0; }
.h2 { font: 400 36px/1.15 'Instrument Serif', serif; letter-spacing: -0.01em; margin: 0; }
.h3 { font: 500 18px/1.3 'Inter', sans-serif; margin: 0; }
.lead { font-size: 17px; line-height: 1.6; color: var(--fg-muted); max-width: 56ch; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; } .mt-64 { margin-top: 64px; }
.p-20 { padding: 20px; } .p-24 { padding: 24px; } .p-28 { padding: 28px; } .p-32 { padding: 32px; }
.grid-2 { display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display:grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
@media (max-width: 720px) {
  .h1 { font-size: 44px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .pin input { width: 44px; height: 56px; font-size: 22px; }
}

/* ---- Reveal animations ---- */
.reveal { opacity: 0; transform: translateY(8px); animation: reveal var(--t-slow) forwards; }
.reveal.d1 { animation-delay: .05s; }
.reveal.d2 { animation-delay: .15s; }
.reveal.d3 { animation-delay: .25s; }
.reveal.d4 { animation-delay: .35s; }
.reveal.d5 { animation-delay: .45s; }
@keyframes reveal { to { opacity: 1; transform: translateY(0); } }

/* ---- Footer ---- */
.foot { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--fg-soft); font-size: 12px; display:flex; justify-content:space-between; }

/* ===== XHS-targeted additions (v0.5) ===== */

/* 人格标签 — 封面 hook */
.tag-hero {
  display: inline-flex; align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  font: 500 14px/1 'Inter', 'Noto Sans SC', sans-serif;
  letter-spacing: 0.04em;
  color: #1a1330;
  background: linear-gradient(180deg, var(--primary-2), var(--primary));
  box-shadow: 0 8px 24px -10px var(--primary), inset 0 1px 0 rgba(255,255,255,0.4);
}
.tag-hero.subtle {
  color: var(--fg);
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  box-shadow: none;
}

/* 金句 — 截图友好,小红书笔记封面/插图用 */
.quote-card {
  position: relative;
  padding: 48px 40px 40px;
  border-radius: 20px;
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(232,160,191,0.18), transparent 70%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border-2);
}
.quote-card .open-q {
  position: absolute; top: 8px; left: 24px;
  font: 400 96px/1 'Instrument Serif', 'Noto Serif SC', serif;
  color: var(--primary);
  opacity: 0.5;
  pointer-events: none;
}
.quote-body {
  font: 500 26px/1.55 'Noto Serif SC', 'Source Han Serif SC', 'Instrument Serif', serif;
  color: var(--fg);
  letter-spacing: 0.03em;
  max-width: 36ch;
  margin: 0 auto;
  text-align: center;
}
.quote-meta {
  margin-top: 24px;
  display: flex; justify-content: center; align-items: center; gap: 10px;
  font-size: 12px; color: var(--fg-soft); letter-spacing: 0.18em; text-transform: uppercase;
}
.quote-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 6px var(--primary); }

/* ===== 4:5 portrait share card (1080×1350 export) ===== */
.share-stage {
  display: flex; justify-content: center;
  padding: 8px 0;
}
.share-card-45 {
  width: 100%;
  max-width: 432px;       /* preview size; export upscales to 1080 */
  aspect-ratio: 4 / 5;
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  padding: 40px 32px;
  background:
    radial-gradient(70% 50% at 20% 0%, rgba(155,140,255,0.45), transparent 60%),
    radial-gradient(70% 50% at 80% 100%, rgba(232,160,191,0.50), transparent 60%),
    linear-gradient(180deg, #16102b 0%, #0F0B1A 100%);
  border: 1px solid var(--border-2);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6);
  display: flex; flex-direction: column; justify-content: space-between;
  color: var(--fg);
}
.share-card-45 .top { display:flex; align-items:center; gap: 10px; font-weight:600; letter-spacing: 0.04em; font-size: 14px; }
.share-card-45 .top .brand-mark { width: 22px; height: 22px; }
.share-card-45 .mid { text-align:center; padding: 8px 0; }
.share-card-45 .mid .label {
  font-size: 11px; color: var(--fg-soft);
  letter-spacing: 0.28em; text-transform: uppercase;
  margin-bottom: 18px;
}
.share-card-45 .mid .big-code {
  font: 400 72px/1 'Instrument Serif', serif;
  letter-spacing: 0.22em;
  background: linear-gradient(180deg, #fff 0%, var(--primary-2) 60%, var(--primary) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 8px 40px rgba(232,160,191,0.5);
}
.share-card-45 .mid .tag {
  display:inline-block; margin-top: 18px; padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px; color: var(--fg);
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-2);
}
.share-card-45 .copy {
  font: 500 18px/1.5 'Noto Serif SC', 'Instrument Serif', serif;
  text-align: center; color: var(--fg);
  letter-spacing: 0.04em;
  max-width: 22ch; margin: 0 auto;
}
.share-card-45 .foot-row {
  display:flex; justify-content: space-between; align-items: flex-end;
  font-size: 11px; color: var(--fg-soft); letter-spacing: 0.12em; text-transform: uppercase;
}
.share-card-45 .qr {
  width: 56px; height: 56px; border-radius: 10px;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.95) 0 4px, transparent 4px 8px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.95) 0 4px, transparent 4px 8px),
    #1a1330;
  border: 2px solid rgba(255,255,255,0.95);
}

/* CTA hint chip — used near "看示例" on landing */
.chip-hint {
  display:inline-flex; align-items:center; gap:6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(126,224,184,0.12);
  border: 1px solid rgba(126,224,184,0.35);
  color: var(--good);
  font-size: 11px; letter-spacing: 0.06em;
  margin-left: 8px;
}