/* 云水禅寺 Yunshui Zen Temple — v1.0.6
   Palette: ink-wash indigo + lantern gold + paper white.
   All assets local; no external requests. */

/* [hidden] must ACTUALLY hide. Author display rules (.btn,
   .countdown) override the UA stylesheet's [hidden]{display:none},
   so before v1.0.6 the 写好了 button and the countdown ring never
   hid at all — the auto-advance bug: the button sat in the same
   spot, flipped meaning after the pause, and a repeat tap meant
   for 写好了 advanced instead. !important restores the attribute. */
[hidden]{display:none!important}

:root{
  --ink:#1d2436;
  --ink-2:#2c3242;
  --ink-3:#171b28;
  --paper:#f4efe4;
  --paper-2:#ece4d1;
  --gold:#c9a35c;
  --gold-bright:#e8c07a;
  --gold-deep:#8a6a35;
  --vermillion:#a83c2a;
  --mist:#8b93a7;
  --line:rgba(29,36,54,.16);
  --serif:"Songti SC","STSong","Noto Serif CJK SC","Songti","SimSun",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.35}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(29,36,54,.96);
  backdrop-filter:blur(6px);
  color:#efe8d6;
}
.header-inner{
  max-width:1020px;margin:0 auto;padding:10px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:38px;height:38px;border-radius:9px;
  background:var(--gold);color:var(--ink-3);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:22px;font-weight:700;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-family:var(--serif);font-size:18px;letter-spacing:.14em}
.brand-text small{font-size:9px;letter-spacing:.18em;color:#b9b2a0}
.site-nav{display:flex;gap:4px;flex-wrap:wrap}
.site-nav a{
  padding:6px 10px;border-radius:20px;font-size:14px;color:#d8d0bd;
}
.site-nav a:hover{background:rgba(232,192,122,.18);color:var(--gold-bright)}
@media (max-width:640px){
  .brand-text small{display:none}
  .site-nav a{padding:6px 7px;font-size:13px}
}
.header-inner{flex-wrap:wrap}

/* ---------- sound control ---------- */
.sound-control{position:relative;display:flex;gap:8px;align-items:center}
.sound-btn{
  border:1px solid rgba(232,192,122,.55);background:transparent;color:var(--gold-bright);
  border-radius:999px;padding:7px 14px;font-size:13.5px;letter-spacing:.08em;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.sound-btn:hover{background:rgba(232,192,122,.18)}
.sound-btn.on{background:var(--gold);color:#241d0d;border-color:var(--gold)}
.sound-btn-sm{padding:7px 10px}
/* The panel lives at body level (not inside the sticky header), so it
   can be position:fixed without the header's backdrop-filter hijacking
   it as the containing block. Desktop: dropdown at top-right. Phone:
   bottom sheet that can never run off-screen, with its own scroll. */
.sound-panel{
  position:fixed;top:64px;right:18px;z-index:80;
  width:min(300px,calc(100vw - 24px));
  max-height:calc(100vh - 90px);max-height:calc(100dvh - 90px);
  overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;
  background:var(--ink-2);color:#efe8d6;border:1px solid rgba(201,163,92,.4);
  border-radius:14px;padding:16px 16px 12px;box-shadow:0 14px 34px rgba(0,0,0,.45);
  text-align:left;
}
.sound-panel-title{font-family:var(--serif);font-size:15px;letter-spacing:.2em;color:var(--gold-bright);margin-bottom:6px}
.sound-row{padding:10px 0 8px;border-top:1px solid rgba(239,232,214,.12)}
.sound-row.off{opacity:.45}
.sound-row-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.sound-name{font-size:14.5px;letter-spacing:.06em}
.sound-name small{display:block;font-size:10px;color:#a9a58f;letter-spacing:.12em;margin-top:2px}
.sound-row input[type="range"]{width:100%;margin-top:9px;accent-color:var(--gold);height:20px}
.sound-panel-note{font-size:12px;color:#a9a58f;margin-top:8px;line-height:1.6}
.switch{
  width:46px;height:26px;border-radius:999px;border:1px solid rgba(232,192,122,.5);
  background:rgba(239,232,214,.12);position:relative;flex:none;padding:0;transition:background .2s ease;
}
.switch span{
  position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;
  background:#efe8d6;transition:left .2s ease,background .2s ease;
}
.switch[aria-checked="true"]{background:var(--gold);border-color:var(--gold)}
.switch[aria-checked="true"] span{left:22px;background:#241d0d}
@media (max-width:640px){
  .sound-panel{
    top:auto;bottom:0;left:0;right:0;width:auto;max-width:none;
    max-height:78vh;max-height:78dvh;
    border-radius:18px 18px 0 0;
    padding-bottom:calc(18px + env(safe-area-inset-bottom, 0px));
  }
}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink-3);color:#f2ecdc;overflow:hidden}
.hero-scene{display:block;width:100%;height:auto;min-height:340px;object-fit:cover}
.hero-text{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:24px;text-shadow:0 2px 18px rgba(0,0,0,.55);
}
.hero-kicker{font-family:var(--serif);letter-spacing:.42em;font-size:14px;color:var(--gold-bright);margin-bottom:10px;text-indent:.42em}
.hero-text h1{font-size:clamp(44px,11vw,76px);letter-spacing:.22em;text-indent:.22em;margin-bottom:12px}
.hero-sub{font-size:16px;line-height:1.9;color:#e6ddc8;margin-bottom:26px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}

.btn{
  display:inline-block;border:none;border-radius:999px;
  padding:12px 26px;font-size:15px;letter-spacing:.08em;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.45;cursor:default}
.btn:disabled:active{transform:none}
.btn-gold{background:var(--gold);color:#241d0d;box-shadow:0 4px 18px rgba(201,163,92,.45)}
.btn-gold:hover{background:var(--gold-bright)}
.btn-ghost{background:rgba(244,239,228,.12);color:#f2ecdc;border:1px solid rgba(242,236,220,.5)}
.btn-ghost:hover{background:rgba(244,239,228,.22)}
.btn-ghost-dark{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost-dark:hover{background:rgba(29,36,54,.06)}
.btn-soft{background:#e7dfca;color:var(--ink);padding:10px 18px;font-size:14px}
.btn-soft:hover{background:#ddd2b6}
.btn-danger{color:var(--vermillion)}

/* hero svg animations */
@keyframes sway{0%,100%{transform:rotate(1.6deg)}50%{transform:rotate(-1.6deg)}}
.lantern{transform-origin:310px 330px;animation:sway 6s ease-in-out infinite}
.lantern.sway2{transform-origin:492px 330px;animation:sway 7s ease-in-out infinite reverse}
@keyframes twinkle{0%,100%{opacity:.25}50%{opacity:1}}
.star{animation:twinkle 3.4s ease-in-out infinite}
.star.s2{animation-duration:4.6s}
.star.s3{animation-duration:2.8s}
@keyframes smokeUp{
  0%{opacity:0;transform:translateY(6px)}
  25%{opacity:.55}
  100%{opacity:0;transform:translateY(-14px)}
}
.smoke{animation:smokeUp 6s ease-in-out infinite}
.smoke.s2{animation-duration:7.5s;animation-delay:2s}
@keyframes flicker{0%,100%{opacity:1}50%{opacity:.75}}
.windows{animation:flicker 4s ease-in-out infinite}

/* ---------- sections ---------- */
main{max-width:1020px;margin:0 auto;padding:0 18px}
.section{padding:56px 0 8px}
.section-head{text-align:center;max-width:640px;margin:0 auto 30px}
.section-kicker{font-size:11px;letter-spacing:.3em;color:var(--gold-deep);margin-bottom:8px}
.section-head h2{font-size:30px;letter-spacing:.1em;margin-bottom:10px}
.section-desc{font-size:15px;color:#5b5a52}

/* ---------- 抄经 ---------- */
.copy-progress{max-width:560px;margin:0 auto 22px}
.progress-bar{height:8px;border-radius:99px;background:#ddd5bf;overflow:hidden}
.progress-fill{height:100%;width:0%;border-radius:99px;background:linear-gradient(90deg,var(--gold-deep),var(--gold));transition:width .5s ease}
.progress-label{display:flex;justify-content:space-between;margin-top:8px;font-size:14px;color:#6b675a}
.progress-label span:first-child{font-family:var(--serif);letter-spacing:.06em}

.copy-workspace{max-width:600px;margin:0 auto}
.trace-wrap{
  position:relative;background:#fbf7ec;
  border:1px solid var(--line);border-radius:14px;
  padding:14px;box-shadow:0 10px 30px rgba(29,36,54,.08);
}
#traceCanvas{
  display:block;width:100%;height:auto;aspect-ratio:1/1;
  border-radius:8px;touch-action:none;user-select:none;-webkit-user-select:none;
  background:
    linear-gradient(rgba(201,163,92,.05),rgba(201,163,92,.05));
  cursor:crosshair;
}
.trace-hint{
  text-align:center;margin-top:12px;font-family:var(--serif);
  font-size:17px;letter-spacing:.1em;color:#4a463c;
}
.coverage-meter{height:6px;border-radius:99px;background:#e3dcc6;overflow:hidden;margin-top:10px}
.coverage-fill{height:100%;width:0%;border-radius:99px;background:linear-gradient(90deg,var(--gold-deep),var(--gold));transition:width .25s ease}
.coverage-label{text-align:center;font-size:13px;color:#8a8474;margin-top:6px}
#traceCanvas{transition:transform .6s ease}
.trace-wrap.appreciating{box-shadow:0 0 0 2px rgba(201,163,92,.55),0 10px 34px rgba(201,163,92,.35)}
.trace-wrap.appreciating #traceCanvas{transform:scale(1.015)}
.countdown{position:relative;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex:none}
.countdown-num{position:absolute;font-family:var(--serif);font-size:17px;color:var(--gold-deep)}
.trace-controls{display:flex;gap:10px;justify-content:center;margin:16px 0 26px;flex-wrap:wrap}
/* 下一字 → lives on its own row below the controls — a different
   position from 写好了, so no tap can mistake one for the other. */
.trace-next-row{display:flex;justify-content:center;margin:-12px 0 26px}

.sutra-strip{
  max-width:720px;margin:0 auto 10px;
  font-family:var(--serif);font-size:19px;line-height:2.05;letter-spacing:.08em;
  text-align:justify;color:#b3ab97;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:16px 4px;max-height:220px;overflow-y:auto;
}
.sutra-strip .ch{transition:color .3s}
.sutra-strip .ch.done{color:var(--ink)}
.sutra-strip .ch.now{color:var(--vermillion);background:rgba(201,163,92,.22);border-radius:4px}
.sutra-strip .ch-title{color:var(--gold-deep);font-size:16px;letter-spacing:.2em}

.complete-panel{
  max-width:560px;margin:26px auto 0;text-align:center;
  background:#fbf7ec;border:1px solid var(--line);border-radius:14px;
  padding:30px 22px;box-shadow:0 10px 30px rgba(29,36,54,.08);
}
.complete-title{font-family:var(--serif);font-size:30px;letter-spacing:.3em;text-indent:.3em;color:var(--vermillion);margin-bottom:6px}
.complete-sub{font-size:14px;color:#6b675a;margin-bottom:18px}
.complete-img{width:100%;max-width:380px;height:auto;border-radius:8px;border:1px solid var(--line);box-shadow:0 6px 20px rgba(29,36,54,.15)}
.complete-actions{display:flex;gap:12px;justify-content:center;margin:20px 0 12px;flex-wrap:wrap}
.complete-tip{font-size:13px;color:#8a8474}

/* ---------- rituals ---------- */
.ritual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
/* single-card section (静坐 lives alone after the reorder) */
.ritual-grid-single{grid-template-columns:1fr;max-width:380px;margin:0 auto}
@media (max-width:760px){.ritual-grid{grid-template-columns:1fr}}
.ritual-card{
  background:#fbf7ec;border:1px solid var(--line);border-radius:16px;
  padding:26px 20px 22px;text-align:center;
  box-shadow:0 8px 24px rgba(29,36,54,.06);
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.ritual-card h3{font-size:22px;letter-spacing:.3em;text-indent:.3em}
.ritual-desc{font-size:14px;color:#6b675a;min-height:42px}
.ritual-count{font-size:13px;color:#8a8474;font-family:var(--serif);letter-spacing:.05em}
.ritual-stage{position:relative;height:150px;width:200px;display:flex;align-items:flex-end;justify-content:center}
.burner{width:200px;height:150px}
.sticks{position:absolute;left:0;right:0;bottom:96px;display:flex;justify-content:center;gap:14px;pointer-events:none}
.stick{position:relative;width:3px;height:44px;background:#7a4a28;border-radius:2px}
.stick::before{content:"";position:absolute;top:-4px;left:50%;transform:translateX(-50%);width:7px;height:7px;border-radius:50%;background:#e07840;box-shadow:0 0 10px 3px rgba(224,120,64,.75)}
.stick .wisp{
  position:absolute;bottom:50px;left:50%;width:14px;height:60px;
  background:linear-gradient(to top,rgba(216,210,194,0),rgba(216,210,194,.75),rgba(216,210,194,0));
  border-radius:50%;filter:blur(3px);transform:translateX(-50%);
  animation:stickSmoke 5s ease-in-out infinite;
}
@keyframes stickSmoke{
  0%{opacity:0;transform:translateX(-50%) translateY(8px) scaleX(.7)}
  30%{opacity:.8}
  100%{opacity:0;transform:translateX(-30%) translateY(-16px) scaleX(1.2)}
}

/* bell */
.bell-stage{overflow:visible}
.bell{width:170px;height:auto;transform-origin:100px 10px;transition:transform .2s}
.bell.ringing{animation:bellSwing 1.1s ease-in-out}
@keyframes bellSwing{
  0%{transform:rotate(0)}15%{transform:rotate(7deg)}35%{transform:rotate(-5deg)}
  55%{transform:rotate(3deg)}75%{transform:rotate(-1.5deg)}100%{transform:rotate(0)}
}
.ripple{
  position:absolute;left:50%;top:52%;width:20px;height:20px;margin:-10px;
  border:2px solid var(--gold);border-radius:50%;opacity:0;pointer-events:none;
}
.ripple.go{animation:rippleOut 2.2s ease-out}
.ripple.go2{animation:rippleOut 2.2s ease-out .35s}
@keyframes rippleOut{
  0%{opacity:.85;transform:scale(1)}
  100%{opacity:0;transform:scale(9)}
}

/* meditation */
.breath-circle{
  width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#3a4260,#1d2436);
  color:var(--gold-bright);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:30px;letter-spacing:.2em;text-indent:.2em;
  box-shadow:0 0 0 1px rgba(201,163,92,.4),0 0 34px rgba(201,163,92,.25);
}
.breath-circle.breathing{animation:breathe 8s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.16)}}
.timer-btns{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.timer-btn.active{background:var(--gold);color:#241d0d}

/* ---------- meditation scenes: ink-wash, slow motion only ---------- */
.scene-stage{width:100%;height:190px;border-radius:12px;overflow:hidden;background:#e9e4d3;align-items:center}
.scene-layer{position:absolute;inset:0}
.scene-svg{position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity 1.2s ease}
.scene-svg.active{opacity:1}
.scene-svg:not(.active) *{animation-play-state:paused}
.scene-veil{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(29,36,54,.08),rgba(29,36,54,.30) 88%);pointer-events:none}
.scene-stage .breath-circle{position:relative;z-index:2}
.scene-switcher{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.scene-chip{
  border:1px solid var(--line);background:transparent;color:var(--ink);
  border-radius:999px;padding:7px 16px;font-size:13.5px;letter-spacing:.1em;
}
.scene-chip:hover{background:rgba(29,36,54,.06)}
.scene-chip.active{background:var(--gold);border-color:var(--gold);color:#241d0d}
@keyframes mistDrift{from{transform:translateX(-16px)}to{transform:translateX(16px)}}
.mist-drift{animation:mistDrift 36s ease-in-out infinite alternate}
.mist-slow{animation-duration:48s;animation-delay:-12s}
@keyframes waterShimmer{0%,100%{opacity:.4}50%{opacity:.85}}
.water-shimmer{animation:waterShimmer 5s ease-in-out infinite}
@keyframes streamDrift{from{transform:translateX(-10px)}to{transform:translateX(10px)}}
.stream-drift{animation:streamDrift 9s ease-in-out infinite alternate}
@keyframes bambooSway{from{transform:rotate(-1.1deg)}to{transform:rotate(1.1deg)}}
.bamboo-sway{transform-box:fill-box;transform-origin:50% 100%;animation:bambooSway 8s ease-in-out infinite alternate}
.bamboo-sway.sway2{animation-duration:9.5s;animation-delay:-3s}
.bamboo-sway.sway3{animation-duration:7s;animation-delay:-5s}
@keyframes leafFall{0%{transform:translateY(0);opacity:0}25%{opacity:.85}100%{transform:translateY(30px);opacity:0}}
.leaf-fall{animation:leafFall 12s ease-in infinite}
.leaf-fall.leaf2{animation-duration:14s;animation-delay:-6s}
.leaf-fall.leaf3{animation-duration:11s;animation-delay:-3s}

/* ---------- verse ---------- */
.verse-section{padding-bottom:64px}
.verse-block{
  max-width:680px;margin:0 auto;text-align:center;
  background:var(--ink);color:#efe8d6;border-radius:16px;
  padding:44px 28px;position:relative;overflow:hidden;
}
.verse-block::before{
  content:"";position:absolute;inset:10px;
  border:1px solid rgba(201,163,92,.45);border-radius:10px;pointer-events:none;
}
.verse-text{font-family:var(--serif);font-size:clamp(20px,4.6vw,27px);line-height:1.9;letter-spacing:.06em}
.verse-source{display:block;margin-top:18px;font-style:normal;font-size:13px;letter-spacing:.24em;color:var(--gold-bright)}
.verse-recite{margin-top:26px}
#btnRecite.playing{animation:recitePulse 1.8s ease-in-out infinite}
@keyframes recitePulse{
  0%,100%{box-shadow:0 4px 18px rgba(201,163,92,.45)}
  50%{box-shadow:0 4px 26px rgba(201,163,92,.85)}
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-3);color:#a9a58f;text-align:center;
  padding:38px 20px 44px;font-size:13.5px;line-height:2;
}
.footer-name{font-family:var(--serif);font-size:17px;letter-spacing:.3em;color:var(--gold-bright);margin-bottom:6px}
.footer-small{font-size:12px;color:#7d7a6a}