/* styles.css — 申派塔罗 · 简约奢华 × 星空仪式感. Mobile-first, zero build. */

:root {
  --bg: #050810;
  --bg-lift: #141a2e;
  --gold: #d4af37;
  --gold-soft: #f4d97b;
  --gold-bright: #ffe8a3;
  --gold-deep: #8a6d1f;
  --stardust: #f5f3ee;
  --muted: #8a8a9a;
  --violet: #6a5aaa;
  --glass-bg: rgba(212, 175, 55, 0.06);
  --glass-line: rgba(212, 175, 55, 0.25);
  --radius: 18px;
  --font-display: "Cormorant Garamond", "Noto Serif SC", serif;
  --font-body: "Inter", "Noto Serif SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--stardust);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background-image: radial-gradient(1200px at 50% -10%, var(--bg-lift) 0%, var(--bg) 70%);
  background-attachment: fixed;
  min-height: 100vh;
}

button { font-family: inherit; cursor: pointer; }
h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: 0.02em; }

/* ---------------------------------------------------------------- starfield */
.sky { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
/* each layer is a single 1px dot; JS fills box-shadow with hundreds of offset copies */
.stars {
  position: absolute; top: 0; left: 0;
  width: 1px; height: 1px; border-radius: 50%;
  background: transparent;
}
.stars--far  { opacity: 0.55; animation: drift 240s linear infinite; }
.stars--mid  { opacity: 0.75; animation: drift 160s linear infinite reverse; }
.stars--near { opacity: 1;    animation: drift 100s linear infinite; }

@keyframes drift {
  0%   { transform: translate3d(0, 0, 0); }
  50%  { transform: translate3d(-2%, -1.5%, 0); }
  100% { transform: translate3d(0, 0, 0); }
}
@keyframes twinkle {
  0%, 100% { opacity: 0.35; }
  50%      { opacity: 1; }
}

.nebula {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(720px at 78% 12%, rgba(106, 90, 170, 0.16), transparent 65%),
    radial-gradient(680px at 16% 88%, rgba(212, 175, 55, 0.10), transparent 62%);
}

/* ---------------------------------------------------------------- layout */
.stage { position: relative; z-index: 1; }

.screen {
  display: none;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100svh;
  padding: 28px 20px 64px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
  animation: screen-in 0.6s ease both;
}
.screen.is-active { display: flex; }
@keyframes screen-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.screen__head { text-align: center; margin: 12px 0 22px; }
.screen__head--tight { margin-bottom: 10px; }
.screen__lead { color: var(--muted); font-size: 0.94rem; margin: 10px 0 0; line-height: 1.7; }

.title-gold {
  font-family: var(--font-display);
  background: linear-gradient(135deg, var(--gold-soft), var(--gold) 55%, var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
h2.title-gold { font-size: clamp(1.7rem, 6vw, 2.4rem); }
h3.title-gold { font-size: 1.3rem; }

/* ---------------------------------------------------------------- landing */
.screen--landing { align-items: center; justify-content: center; text-align: center; }
.landing__inner { display: flex; flex-direction: column; align-items: center; gap: 8px; animation: rise 1s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

.landing__title { font-size: clamp(2.6rem, 12vw, 4.6rem); margin-top: 26px; letter-spacing: 0.14em; }
.landing__subtitle {
  color: var(--muted); letter-spacing: 0.22em; font-size: 0.8rem;
  margin: 8px 0 34px; text-transform: none;
}

.scroll-hint {
  position: absolute; bottom: 22px; left: 0; right: 0;
  color: var(--muted); font-size: 0.72rem; letter-spacing: 0.24em;
  animation: breathe 2.6s ease-in-out infinite;
}
@keyframes breathe { 0%,100% { opacity: 0.35; } 50% { opacity: 0.85; } }

/* card back — glowing centerpiece */
.cardback { position: relative; width: 172px; height: 268px; animation: float 6s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.cardback__glow {
  position: absolute; inset: -30%; border-radius: 50%;
  background: radial-gradient(circle, rgba(212,175,55,0.30), rgba(212,175,55,0) 68%);
  filter: blur(8px);
}
.cardback__face {
  position: absolute; inset: 0; border-radius: 16px;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(244,217,123,0.12), transparent 60%),
    linear-gradient(160deg, #0b0f1c, #060910);
  border: 1px solid var(--glass-line);
  box-shadow: 0 0 40px rgba(212,175,55,0.28), inset 0 0 0 6px rgba(212,175,55,0.05),
              inset 0 0 0 7px rgba(212,175,55,0.18);
  display: grid; place-items: center;
}
.cardback__sigil { width: 62%; color: var(--gold-soft); }
.cardback__sigil svg { width: 100%; height: auto; display: block; }
.sigil-ring { fill: none; stroke: rgba(212,175,55,0.55); stroke-width: 1.2; }
.sigil-ring--thin { stroke: rgba(212,175,55,0.3); stroke-width: 0.8; }
.sigil-star { fill: none; stroke: var(--gold-bright); stroke-width: 1.4; stroke-linejoin: round;
  filter: drop-shadow(0 0 4px rgba(255,232,163,0.7)); }
.sigil-core { fill: var(--gold-bright); filter: drop-shadow(0 0 6px rgba(255,232,163,0.9)); }

/* ---------------------------------------------------------------- buttons */
.btn {
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  background: transparent;
  color: var(--gold-soft);
  padding: 13px 26px;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transition: transform 0.25s ease, box-shadow 0.35s ease, background 0.35s ease, color 0.25s ease;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn--primary {
  background: linear-gradient(135deg, rgba(244,217,123,0.16), rgba(212,175,55,0.08));
  color: var(--gold-bright);
  border-color: rgba(212,175,55,0.6);
}
.btn--primary:hover { box-shadow: 0 0 30px rgba(212,175,55,0.35); background: rgba(212,175,55,0.14); }
.btn--ghost { color: var(--muted); border-color: rgba(138,138,154,0.35); }
.btn--ghost:hover { color: var(--stardust); border-color: rgba(245,243,238,0.4); }
.btn--lg { padding: 15px 46px; font-size: 1.02rem; }
.btn--block { width: 100%; margin-top: 6px; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; box-shadow: none; }

/* ---------------------------------------------------------------- glass panel */
.glass {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
}
.panel { padding: 22px 20px; }

/* ---------------------------------------------------------------- setup */
.field { display: block; margin-bottom: 20px; }
.field__label { display: block; font-size: 0.82rem; letter-spacing: 0.08em; color: var(--gold-soft); margin-bottom: 9px; }
.field__opt { color: var(--muted); font-size: 0.74rem; letter-spacing: 0; }
.field__input {
  width: 100%;
  background: rgba(5, 8, 16, 0.55);
  border: 1px solid var(--glass-line);
  border-radius: 12px;
  color: var(--stardust);
  padding: 13px 14px;
  font-size: 0.96rem;
  font-family: inherit;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.field__input::placeholder { color: rgba(138,138,154,0.75); }
.field__input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.16), 0 0 24px rgba(212,175,55,0.22);
}
.field__textarea { resize: vertical; min-height: 84px; line-height: 1.6; }
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.8) sepia(1) saturate(3) hue-rotate(5deg); }

.spread-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.spread-grid__loading { color: var(--muted); font-size: 0.86rem; padding: 8px 2px; }
.spread {
  text-align: left;
  border: 1px solid rgba(212,175,55,0.18);
  background: rgba(212,175,55,0.04);
  border-radius: 13px;
  padding: 12px 14px;
  color: var(--stardust);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}
.spread:hover { border-color: rgba(212,175,55,0.45); }
.spread.is-selected {
  border-color: var(--gold);
  background: rgba(212,175,55,0.12);
  box-shadow: 0 0 22px rgba(212,175,55,0.25);
}
.spread__top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.spread__name { font-family: var(--font-display); font-size: 1.08rem; color: var(--gold-bright); }
.spread__count {
  font-size: 0.72rem; color: var(--gold); border: 1px solid rgba(212,175,55,0.4);
  border-radius: 999px; padding: 2px 9px; white-space: nowrap;
}
.spread__desc { color: var(--muted); font-size: 0.8rem; margin: 5px 0 0; line-height: 1.55; }
.spread__meta { margin-top: 6px; font-size: 0.68rem; letter-spacing: 0.12em; color: rgba(138,138,154,0.85); text-transform: uppercase; }

.form-error { color: #e08b8b; font-size: 0.84rem; margin: 12px 0 0; text-align: center; }

/* ---------------------------------------------------------------- animation */
.screen--anim { justify-content: flex-start; }
.fan {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  perspective: 1400px;
  margin: 18px 0;
  min-height: 220px;
  align-content: flex-start;
}
.flip {
  width: 104px; height: 164px;
  transform-style: preserve-3d;
  transition: transform 0.75s cubic-bezier(0.2, 0.7, 0.2, 1);
  opacity: 0;
  animation: deal-in 0.6s ease forwards;
}
@keyframes deal-in {
  from { opacity: 0; transform: translate3d(0, 60px, -200px) rotateY(0deg) scale(0.8); }
  to   { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}
.flip.is-flipped { animation: none; opacity: 1; transform: rotateY(180deg); }
.flip__inner { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; }
.flip__face {
  position: absolute; inset: 0; border-radius: 13px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 8px; text-align: center;
}
.flip__back {
  background: linear-gradient(160deg, #0b0f1c, #060910);
  border: 1px solid var(--glass-line);
  box-shadow: 0 0 22px rgba(212,175,55,0.22), inset 0 0 0 5px rgba(212,175,55,0.05);
  color: var(--gold);
}
.flip__back svg { width: 42%; opacity: 0.85; }
.flip__front {
  transform: rotateY(180deg);
  background: linear-gradient(160deg, rgba(212,175,55,0.12), rgba(212,175,55,0.03));
  border: 1px solid rgba(212,175,55,0.6);
  box-shadow: 0 0 26px rgba(212,175,55,0.3);
}
.flip__front.is-reversed {
  transform: rotateY(180deg) rotate(180deg);
  border-color: var(--violet);
  box-shadow: 0 0 26px rgba(106,90,170,0.5);
}
.flip__pos { font-size: 0.6rem; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
.flip__name { font-family: var(--font-display); font-size: 0.98rem; color: var(--gold-bright); margin: 6px 0 4px; line-height: 1.15; }
.flip__orient { font-size: 0.62rem; letter-spacing: 0.14em; }
.flip__orient.up { color: var(--gold-soft); }
.flip__orient.rev { color: #b7abe6; }
.flat-glow { position: absolute; inset: -14px; border-radius: 20px; background: radial-gradient(circle, rgba(212,175,55,0.35), transparent 70%); opacity: 0; transition: opacity 0.5s; }
.flip.is-flipped .flat-glow { opacity: 1; }
.anim__actions { display: flex; justify-content: center; margin-top: 6px; }

/* ---------------------------------------------------------------- reading */
.block { margin-top: 30px; }
.block__title {
  font-family: var(--font-display); font-size: 1.24rem; color: var(--gold-soft);
  margin-bottom: 14px; display: flex; align-items: baseline; gap: 10px;
}
.block__cn { font-family: var(--font-body); font-size: 0.66rem; letter-spacing: 0.22em; color: var(--muted); text-transform: uppercase; }

.seed-row { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 12px; }
.seed-chip {
  font-size: 0.68rem; letter-spacing: 0.12em; color: var(--muted);
  border: 1px solid rgba(138,138,154,0.3); border-radius: 999px; padding: 3px 11px;
}

/* prose */
.prose { margin-top: 6px; font-size: 0.96rem; line-height: 1.95; color: var(--stardust); }
.prose p { margin: 0 0 15px; }
.prose h2, .prose h3 {
  font-family: var(--font-display); color: var(--gold-bright);
  margin: 22px 0 10px; font-size: 1.2rem; font-weight: 500;
}
.prose h4 { color: var(--gold-soft); margin: 18px 0 8px; font-size: 1rem; font-weight: 600; }
.prose blockquote {
  margin: 14px 0; padding: 6px 16px; border-left: 2px solid var(--gold);
  background: rgba(212,175,55,0.06); color: var(--gold-soft);
  border-radius: 0 10px 10px 0; font-style: italic;
}
.prose ul { margin: 10px 0 16px; padding-left: 20px; }
.prose li { margin-bottom: 7px; }
.prose strong { color: var(--gold-bright); }
.prose hr { border: none; border-top: 1px solid rgba(212,175,55,0.22); margin: 22px 0; }

/* mini cards */
.mini-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.mini {
  position: relative;
  border-radius: 15px; padding: 14px 13px 13px;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  background: var(--glass-bg); border: 1px solid var(--glass-line);
  overflow: hidden;
}
.mini::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold-soft), var(--gold), var(--gold-deep));
}
.mini.is-reversed::before { background: linear-gradient(90deg, #8f82d6, var(--violet), #3d3370); }
.mini__pos { font-size: 0.64rem; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; }
.mini__name { font-family: var(--font-display); font-size: 1.1rem; color: var(--gold-bright); margin: 5px 0 3px; line-height: 1.15; }
.mini__orient { font-size: 0.68rem; letter-spacing: 0.1em; }
.mini__orient.up { color: var(--gold-soft); }
.mini__orient.rev { color: #b7abe6; }
.mini__keys { margin-top: 9px; display: flex; flex-wrap: wrap; gap: 5px; }
.key {
  font-size: 0.64rem; color: var(--gold-soft);
  border: 1px solid rgba(212,175,55,0.3); border-radius: 999px; padding: 2px 8px;
  background: rgba(212,175,55,0.06);
}
.mini__interp { margin-top: 10px; font-size: 0.78rem; line-height: 1.65; color: rgba(245,243,238,0.86); }

/* resonance badge */
.badge {
  position: absolute; top: 11px; right: 11px;
  font-size: 0.6rem; letter-spacing: 0.12em; font-weight: 600;
  border-radius: 999px; padding: 2px 8px; cursor: help;
}
.badge--HOT  { color: #1a1305; background: linear-gradient(135deg, var(--gold-bright), var(--gold)); box-shadow: 0 0 16px rgba(212,175,55,0.5); }
.badge--WARM { color: var(--stardust); background: rgba(138,138,154,0.28); border: 1px solid rgba(138,138,154,0.5); }
.badge--COLD { color: #cfc6f5; background: rgba(106,90,170,0.3); border: 1px solid rgba(106,90,170,0.7); box-shadow: 0 0 14px rgba(106,90,170,0.4); }

/* relationships */
.rel-list { display: grid; grid-template-columns: 1fr; gap: 11px; }
.rel {
  border-radius: 14px; padding: 13px 15px;
  background: var(--glass-bg); border: 1px solid var(--glass-line);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.rel__head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 6px; }
.rel__pair { font-family: var(--font-display); font-size: 1.02rem; color: var(--gold-bright); }
.rel__tag {
  font-size: 0.62rem; letter-spacing: 0.12em; padding: 3px 9px; border-radius: 999px;
  border: 1px solid rgba(212,175,55,0.4); color: var(--gold-soft); white-space: nowrap;
}
.rel__tag.t-amp { color: var(--gold-bright); border-color: rgba(212,175,55,0.7); background: rgba(212,175,55,0.1); }
.rel__tag.t-cha { color: #e2b7b7; border-color: rgba(200,120,120,0.5); background: rgba(200,120,120,0.08); }
.rel__tag.t-clr { color: #bcd7e8; border-color: rgba(120,160,200,0.5); }
.rel__tag.t-sim { color: #b7e0c4; border-color: rgba(120,200,150,0.45); }
.rel__tag.t-opp { color: #b7abe6; border-color: rgba(106,90,170,0.6); }
.rel__interp { font-size: 0.82rem; line-height: 1.7; color: rgba(245,243,238,0.86); }

/* stats */
.stats { padding: 18px 18px 8px; }
.stat__row { margin-bottom: 18px; }
.stat__label { display: flex; justify-content: space-between; font-size: 0.76rem; letter-spacing: 0.08em; color: var(--gold-soft); margin-bottom: 7px; }
.stat__label span:last-child { color: var(--muted); }
.bar { height: 9px; border-radius: 999px; background: rgba(138,138,154,0.15); overflow: hidden; }
.bar__fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--gold-deep), var(--gold), var(--gold-bright)); box-shadow: 0 0 14px rgba(212,175,55,0.45); transition: width 0.9s cubic-bezier(0.2,0.7,0.2,1); }
.stat__muted { color: var(--muted); font-size: 0.8rem; }
.numline { display: flex; gap: 7px; flex-wrap: wrap; }
.num { font-size: 0.72rem; color: var(--gold-soft); border: 1px solid rgba(212,175,55,0.3); border-radius: 8px; padding: 2px 9px; }

/* signature */
.signal { padding: 16px 18px; font-size: 0.86rem; line-height: 1.85; }
.signal b { color: var(--gold-bright); font-weight: 600; }

/* actions + badge */
.reading__actions { display: flex; gap: 12px; margin: 34px 0 10px; }
.reading__actions .btn { flex: 1; }
.demo-badge {
  position: fixed; top: 14px; right: 14px; z-index: 20;
  font-size: 0.68rem; letter-spacing: 0.14em; color: #1a1305;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  border-radius: 999px; padding: 5px 13px; box-shadow: 0 0 22px rgba(212,175,55,0.45);
}

/* ---------------------------------------------------------------- responsive */
@media (min-width: 560px) {
  .screen { padding: 40px 28px 80px; }
  .spread-grid { grid-template-columns: 1fr 1fr; }
  .rel-list { grid-template-columns: 1fr 1fr; }
  .mini-grid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
}
@media (min-width: 860px) {
  .screen { max-width: 860px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* 中英双语牌名: 英文小注 */
.flip__en, .mini__en{font-size:11px;letter-spacing:.08em;color:#8a8a9a;margin-top:2px;text-transform:uppercase}

/* 牌图 + 区块释义 */
.mini__imgwrap{margin:6px auto 8px;width:96px;height:160px;border-radius:10px;overflow:hidden;border:1px solid rgba(212,175,55,.28);box-shadow:0 6px 18px rgba(0,0,0,.5)}
.mini__img{width:100%;height:100%;object-fit:cover;display:block}
.mini__img.is-rev{transform:rotate(180deg)}
.mini__imgwrap--ph{display:flex;align-items:center;justify-content:center;font-size:26px;color:rgba(212,175,55,.4);background:rgba(212,175,55,.05)}
.stat__hint{font-size:12px;line-height:1.7;color:#8a8a9a;margin:4px 4px 12px;letter-spacing:.02em}
.badge--HOT{background:linear-gradient(120deg,#f4d97b,#d4af37);color:#1a1406;font-weight:700}
.badge--WARM{background:rgba(212,175,55,.16);color:#f4d97b;border:1px solid rgba(212,175,55,.35)}
.badge--COLD{background:rgba(106,90,170,.22);color:#b3a4ec;border:1px solid rgba(106,90,170,.5)}

/* 翻牌卡真图 */
.flip__img{width:100%;height:auto;max-height:62%;object-fit:cover;border-radius:10px;display:block;margin:8px auto 6px}
.flip__img.is-rev{transform:rotate(180deg)}
.flip__ph{font-size:40px;color:rgba(212,175,55,.4);padding:18px 0 4px;text-align:center}