/* rainsound.app — night rain through a warm window.
   Palette: near-black blue-green sky, ink text, one honey lamp-light accent,
   wet-slate sage secondary. All-sans, quiet, no decoration for its own sake. */

:root{
  --bg-top:#141b1e; --bg-bot:#070a0c;
  --ink:#eaefeb; --muted:#8b9a95; --faint:#5d6b68;
  --panel:rgba(150,172,170,.05); --panel-2:rgba(150,172,170,.085);
  --border:rgba(172,194,192,.10); --border-2:rgba(172,194,192,.18);
  --accent:#d7a368; --accent-ink:#ecca9e; --accent-soft:rgba(215,163,104,.13);
  --sage:#86a899;
  --track:rgba(160,182,180,.16);
  --shadow:0 18px 48px rgba(0,0,0,.45);
  font-synthesis:none;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
/* the night sky must reach every edge of the phone: html carries a solid dark
   base (so overscroll / status-bar / home-indicator areas are never white) and
   the gradient lives on a fixed pseudo-layer — iOS Safari mishandles
   background-attachment:fixed on body, which painted those strips white */
html{background:var(--bg-bot)}
html,body{margin:0;min-height:100%}
body{
  background-color:var(--bg-bot);
  color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  line-height:1.55;
}
body::before{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(940px 540px at 50% -12%, rgba(215,163,104,.11), transparent 62%),
    radial-gradient(1100px 820px at 84% 120%, rgba(134,168,153,.07), transparent 55%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bot));
}
button,input[type=range]{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.mood,.chip,.mixchip,.sharebtn,.tgl,.play,.miniclear,.sec-label,.srow .nm,.srow .sval{
  user-select:none;-webkit-user-select:none}
svg{width:100%;height:100%;display:block}
a{color:var(--accent-ink)}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.skip{position:absolute;left:-999px;top:8px;background:var(--bg-top);color:var(--ink);
  padding:10px 16px;border-radius:10px;z-index:99;border:1px solid var(--border-2)}
.skip:focus{left:12px}

#rain{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.85}

/* ---------- site header ---------- */
.site-head{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:14px;max-width:960px;margin:0 auto;padding:18px 18px 0}
.brandlink{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);
  font-weight:600;font-size:17px;letter-spacing:-.02em}
.brandlink .bdrop{width:14px;height:19px;color:var(--accent)}
.brandlink .tld{color:var(--accent);font-weight:500;font-size:.72em}
.brandlink .bname{white-space:nowrap}
.site-nav{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:13.5px}
.site-nav a{color:var(--muted);text-decoration:none;padding:6px 2px}
.site-nav a:hover{color:var(--ink)}

/* mobile: hamburger menu (CSS-only, <details>) */
.menuwrap{display:none;position:relative}
.menuwrap summary{list-style:none;cursor:pointer;display:grid;place-items:center;width:38px;height:38px;
  border:1px solid var(--border);border-radius:11px;color:var(--muted);transition:.16s}
.menuwrap summary::-webkit-details-marker{display:none}
.menuwrap summary:hover{color:var(--ink);border-color:var(--border-2)}
.menuwrap summary svg{width:19px;height:19px}
.menuwrap[open] summary{color:var(--accent-ink);border-color:rgba(215,163,104,.36);background:var(--accent-soft)}
.menupanel{position:absolute;right:0;top:calc(100% + 8px);z-index:30;min-width:200px;
  background:#0d1418;border:1px solid var(--border-2);border-radius:14px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;padding:7px;gap:1px}
.menupanel a{color:var(--muted);text-decoration:none;font-size:14px;padding:10px 13px;border-radius:9px}
.menupanel a:hover{color:var(--ink);background:var(--panel-2)}
@media (max-width:680px){
  .site-nav{display:none}
  .menuwrap{display:block}
}

/* ---------- app shell ---------- */
.app{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;
     gap:24px;padding:26px 18px 46px}

h1{font-size:clamp(33px,7.6vw,50px);margin:0;font-weight:600;letter-spacing:-.032em;line-height:1;color:var(--ink)}
.hero-head{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding-top:16px}
.hero-head h1{font-size:clamp(38px,9vw,58px);line-height:1.06}
.hero-head h1 .a{color:var(--accent-ink)}
.hero-sub{margin:0;color:var(--muted);font-size:clamp(14px,3.4vw,16.5px);max-width:44ch;line-height:1.6}

.player{display:flex;flex-direction:column;align-items:center;gap:12px}
.play{position:relative;width:88px;height:88px;border-radius:50%;cursor:pointer;
  border:1px solid var(--border-2);background:var(--panel-2);color:var(--accent-ink);
  display:grid;place-items:center;box-shadow:var(--shadow);backdrop-filter:blur(10px);
  transition:transform .18s ease,border-color .25s ease}
.play:hover{transform:translateY(-2px);border-color:rgba(215,163,104,.42)}
.play:active{transform:scale(.96)}
.play .ic{width:32px;height:32px}.play .ic svg{stroke:none;fill:currentColor}
.play .pauseIcon{display:none}.play.playing .playIcon{display:none}.play.playing .pauseIcon{display:block}
.play.playing{animation:breathe 5.5s ease-in-out infinite}
@keyframes breathe{0%,100%{box-shadow:0 0 0 0 rgba(215,163,104,0),var(--shadow)}50%{box-shadow:0 0 0 13px rgba(215,163,104,.05),var(--shadow)}}
.nowplaying{color:var(--muted);font-size:13.5px;min-height:18px;letter-spacing:.01em}
.nowplaying b{color:var(--accent-ink);font-weight:500}

.moods,.mixer,.bottom,.gearstep{width:100%;max-width:600px}
.sec-label{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);font-weight:600;
  margin:0 4px 12px;display:flex;align-items:center;gap:8px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
@media(min-width:560px){.grid{grid-template-columns:repeat(3,1fr)}}
.mood{position:relative;overflow:hidden;cursor:pointer;text-align:left;
  border:1px solid var(--border);background:var(--panel);border-radius:18px;padding:15px 14px 14px;
  display:flex;flex-direction:column;gap:8px;color:var(--ink);transition:transform .16s ease,border-color .2s,background .2s;
  backdrop-filter:blur(12px);font:inherit}
.mood:hover{transform:translateY(-2px);border-color:var(--border-2);background:var(--panel-2)}
.mood:active{transform:scale(.985)}
.mood .mic{width:28px;height:28px;color:var(--muted);transition:color .2s}
.mood .mname{font-size:15px;font-weight:550;letter-spacing:-.01em}
.mood .mdesc{font-size:12.5px;color:var(--muted)}
.mood.active{border-color:rgba(215,163,104,.4);background:linear-gradient(165deg,var(--accent-soft),var(--panel))}
.mood.active .mic{color:var(--accent)}
.mood.active .mname{color:var(--accent-ink)}

.card{background:var(--panel);border:1px solid var(--border);border-radius:18px;
  padding:17px 17px 18px;backdrop-filter:blur(12px)}
.card h2{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin:0 0 8px;
  font-weight:600;display:flex;align-items:center;gap:8px}
.card h2 .hi{width:14px;height:14px;color:var(--muted)}
.group-label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;
  margin:16px 0 2px}
.group-label:first-of-type{margin-top:4px}
.srow{display:grid;grid-template-columns:34px 1fr auto;align-items:center;column-gap:12px;padding:9px 0 8px}
.srow+.srow{border-top:1px solid var(--border)}
.srow .tgl{width:34px;height:34px;border-radius:10px;border:1px solid var(--border);background:transparent;
  color:var(--muted);cursor:pointer;display:grid;place-items:center;padding:5px;transition:.16s}
.srow .tgl svg{width:21px;height:21px}
.srow .tgl:hover{color:var(--ink);border-color:var(--border-2)}
.srow.on .tgl{color:var(--accent);background:var(--accent-soft);border-color:rgba(215,163,104,.36)}
.srow .nm{font-size:14px;color:var(--ink);cursor:pointer;padding:8px 0}
.srow.on .nm{color:var(--accent-ink)}
.srow .meta{display:flex;align-items:center;gap:8px}
.srow .sval{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:34px;text-align:right}
.srow input[type=range]{grid-column:2/4;margin-top:4px}
.srow .spin{width:13px;height:13px;border-radius:50%;border:2px solid rgba(236,202,158,.25);
  border-top-color:var(--accent-ink);animation:spin .8s linear infinite;display:none}
.srow.loading .spin{display:block}
@keyframes spin{to{transform:rotate(360deg)}}

input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:22px;background:transparent;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:5px;border-radius:6px;background:var(--track)}
input[type=range]::-moz-range-track{height:5px;border-radius:6px;background:var(--track)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;margin-top:-6.5px;width:18px;height:18px;border-radius:50%;background:var(--accent);box-shadow:0 1px 5px rgba(0,0,0,.45);transition:transform .12s}
input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.12)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border:none;border-radius:50%;background:var(--accent);box-shadow:0 1px 5px rgba(0,0,0,.45)}

.bottom{display:flex;flex-wrap:wrap;gap:15px}
.bottom .card{flex:1;min-width:240px}

/* Sleep-gear next step. Lives here, not inline: the page CSP is style-src 'self',
   which blocks a <style> element outright. Width comes from the control-column rule above. */
.gearstep{margin-top:14px}
.gearstep p{color:var(--muted);font-size:13.5px;line-height:1.65;margin:0 0 10px;max-width:58ch}
.gearstep p.free{color:var(--ink)}
.gearstep .gearlink{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);
  color:var(--muted);padding:10px 16px;border-radius:12px;font-size:13.5px;text-decoration:none;transition:.16s}
.gearstep .gearlink:hover{color:var(--ink);border-color:var(--border-2)}
.gearstep p.disc{color:var(--faint);font-size:11.5px;line-height:1.6;margin:11px 0 0}
.volrow{display:grid;grid-template-columns:1fr auto;align-items:center;gap:14px}
.volrow .volval{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:34px;text-align:right}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{border:1px solid var(--border);background:transparent;color:var(--muted);padding:8px 14px;border-radius:999px;
  font-size:13px;cursor:pointer;transition:.16s;font-family:inherit}
.chip:hover{color:var(--ink);border-color:var(--border-2)}
.chip.active{color:var(--accent-ink);background:var(--accent-soft);border-color:rgba(215,163,104,.36)}
.countdown{color:var(--accent-ink);font-size:12.5px;margin-top:11px;min-height:15px;letter-spacing:.02em}
.sharebtn{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--border);background:transparent;
  color:var(--muted);padding:10px 16px;border-radius:12px;font-size:13.5px;cursor:pointer;transition:.16s;font-family:inherit}
.sharebtn .ic{width:16px;height:16px}
.sharebtn:hover{color:var(--ink);border-color:var(--border-2)}
.sharenote{color:var(--accent-ink);font-size:12.5px;margin-top:10px;min-height:15px}
.mixchips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.mixchips .empty{color:var(--faint);font-size:12.5px}
.mixchip{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--border);background:transparent;
  color:var(--muted);padding:5px 6px 5px 9px;border-radius:999px;font-size:12px;cursor:pointer;transition:.16s;font-family:inherit}
.mixchip .mn{white-space:nowrap}
.mixchip:hover{color:var(--ink);border-color:var(--border-2)}
.mixchip.active{color:var(--accent-ink);background:var(--accent-soft);border-color:rgba(215,163,104,.36)}
.mixchip .x{width:15px;height:15px;border-radius:50%;display:grid;place-items:center;color:var(--faint);
  font-size:12px;line-height:1;transition:.15s}
.mixchip .x:hover{color:var(--ink);background:rgba(172,194,192,.14)}
.mixchip .ed{width:14px;height:14px;display:grid;place-items:center;color:var(--faint);transition:.15s}
.mixchip .ed svg{width:11px;height:11px}
.mixchip .ed:hover{color:var(--accent-ink)}
.mixrename{border:1px solid rgba(215,163,104,.4);background:var(--panel-2);color:var(--ink);
  border-radius:999px;padding:5px 11px;font-size:12px;font-family:inherit;width:110px;outline:none}
.miniclear{margin-left:auto;border:none;background:transparent;color:var(--faint);font-size:10.5px;
  letter-spacing:.14em;text-transform:uppercase;font-weight:600;cursor:pointer;padding:2px 4px;transition:.15s;font-family:inherit}
.miniclear:hover{color:var(--accent-ink)}
.miniclear[hidden]{display:none}

/* ---------- content sections ---------- */
.section{position:relative;z-index:1;max-width:640px;margin:0 auto;padding:34px 18px}
.section h2{font-size:clamp(22px,5vw,28px);font-weight:600;letter-spacing:-.025em;margin:0 0 16px}
.section h2 .a{color:var(--accent)}
.section p{color:var(--muted);font-size:15.5px;margin:0 0 14px}
.section p strong{color:var(--ink);font-weight:600}
.steps{list-style:none;counter-reset:step;margin:0;padding:0;display:grid;gap:14px}
@media(min-width:640px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{border:1px solid var(--border);background:var(--panel);border-radius:16px;padding:16px;counter-increment:step}
.steps li::before{content:counter(step);display:inline-grid;place-items:center;width:24px;height:24px;
  border-radius:50%;background:var(--accent-soft);color:var(--accent-ink);font-size:12.5px;font-weight:600;margin-bottom:10px}
.steps h3{font-size:15px;margin:0 0 6px;font-weight:600}
.steps p{font-size:13.5px;margin:0}
.faq details{border:1px solid var(--border);background:var(--panel);border-radius:14px;margin-bottom:10px}
.faq summary{cursor:pointer;padding:14px 16px;font-size:15px;font-weight:550;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--faint);font-size:18px;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 16px 14px;margin:0}
.guide-links{display:grid;gap:10px;margin-top:6px}
@media(min-width:560px){.guide-links{grid-template-columns:1fr 1fr}}
.guide-links a{display:block;border:1px solid var(--border);background:var(--panel);border-radius:14px;
  padding:13px 15px;text-decoration:none;color:var(--ink);font-size:14.5px;transition:.16s}
.guide-links a:hover{border-color:var(--border-2);background:var(--panel-2)}
.guide-links a span{display:block;color:var(--muted);font-size:12.5px;margin-top:3px}

/* ---------- article pages ---------- */
.page{position:relative;z-index:1;max-width:640px;margin:0 auto;padding:20px 18px 50px}
.page .pretitle{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);font-weight:600;margin:26px 0 10px}
.page h1{font-size:clamp(28px,6.5vw,40px);line-height:1.12;margin:0 0 14px}
.page .lede{color:var(--sage);font-size:clamp(15.5px,3.6vw,17.5px);margin:0 0 26px}
.page h2{font-size:clamp(19px,4.6vw,24px);font-weight:600;letter-spacing:-.02em;margin:30px 0 10px}
.page p,.page li{color:var(--muted);font-size:15.5px}
.page p strong,.page li strong{color:var(--ink);font-weight:600}
.page ul,.page ol{padding-left:22px;margin:0 0 14px}
.page li{margin-bottom:7px}
.trymix{display:inline-flex;align-items:center;gap:9px;border:1px solid rgba(215,163,104,.36);
  background:var(--accent-soft);color:var(--accent-ink);padding:11px 18px;border-radius:12px;
  font-size:14.5px;font-weight:550;text-decoration:none;margin:8px 0 6px;transition:.16s}
.trymix:hover{background:rgba(215,163,104,.2);color:var(--accent-ink)}
.trymix .tic{width:15px;height:15px}
.trymix .tic svg{stroke:none;fill:currentColor}
.notebox{border:1px solid var(--border);border-left:3px solid var(--accent);background:var(--panel);
  border-radius:0 12px 12px 0;padding:12px 16px;margin:16px 0}
.notebox p{margin:0;font-size:14px}

.center404{text-align:center;padding-top:80px}

/* ---------- night mode ---------- */
.nightbtn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);background:transparent;
  color:var(--muted);padding:8px 15px;border-radius:999px;font-size:13px;cursor:pointer;transition:.16s;font-family:inherit}
.nightbtn .ic{width:15px;height:15px}
.nightbtn:hover{color:var(--ink);border-color:var(--border-2)}
.night{position:fixed;inset:0;z-index:80;background:#04060a;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;cursor:pointer;text-align:center;padding:20px}
.night[hidden]{display:none}
.night-time{font-size:clamp(64px,18vw,120px);font-weight:200;letter-spacing:.01em;color:rgba(234,239,235,.82);
  font-variant-numeric:tabular-nums;line-height:1;margin:0}
.night-label{color:rgba(139,154,149,.75);font-size:15px;margin:0}
.night-timer{color:rgba(215,163,104,.7);font-size:13.5px;font-variant-numeric:tabular-nums;margin:0;min-height:17px}
.night-hint{position:absolute;bottom:max(26px,env(safe-area-inset-bottom));color:rgba(93,107,104,.55);font-size:12px;margin:0}

/* ---------- footer ---------- */
.site-foot{position:relative;z-index:1;border-top:1px solid var(--border);margin-top:24px;
  padding:30px 18px 40px;text-align:center}
.foot-inner{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:14px;align-items:center}
.foot-brand{display:inline-flex;align-items:center;gap:7px;color:var(--ink);font-weight:600;font-size:15px}
.foot-brand .bdrop{width:12px;height:16px;color:var(--accent)}
.foot-tag{color:var(--faint);font-size:12.5px;margin:0}
.foot-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:5px 16px;font-size:13px}
.foot-nav a{color:var(--muted);text-decoration:none}
.foot-nav a:hover{color:var(--ink)}
.foot-family{border-top:1px solid var(--border);padding-top:14px;width:100%}
.foot-family-title{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);font-weight:600;margin:0 0 6px}
.foot-family p{margin:0;font-size:13px;color:var(--muted)}
.foot-family a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--border-2)}
.foot-family a:hover{color:var(--ink)}
.foot-sig{color:var(--faint);font-size:12px;margin:0}
.foot-sig a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--border-2)}
.foot-sig a:hover{color:var(--ink)}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .play.playing,.srow .spin{animation:none!important}
  .mood,.play,.chip{transition:none}
}
@media (max-width:480px){.play{width:80px;height:80px}.card{padding:15px}}