:root{
  --bg-1:#0f0c1d;
  --bg-2:#1a1530;
  --bg-3:#251c44;
  --text:#ece7ff;
  --muted:#a9a3c7;
  --accent:#c7b8ff;
  --accent-2:#8a7bff;
  --gold:#ffd7a8;
  --good:#9be7c4;
  --warn:#ffb4b4;
  --line:rgba(255,255,255,.08);
  --card:rgba(255,255,255,.04);
  --shadow:0 12px 40px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg-1);color:var(--text);font:17px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}
body{min-height:100vh;overflow-x:hidden;padding-bottom:env(safe-area-inset-bottom)}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:transparent}
input,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}

/* Sky */
.sky{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(120% 80% at 70% 0%,#2a1f55 0%,var(--bg-1) 60%);}
.moon{position:absolute;top:36px;right:30px;width:78px;height:78px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff5d9,#f4d8a3 60%,#caa46a 100%);box-shadow:0 0 40px rgba(255,224,160,.25),inset -10px -10px 24px rgba(0,0,0,.25)}
.star{position:absolute;width:3px;height:3px;background:#fff;border-radius:50%;opacity:.7;box-shadow:0 0 6px #fff}
.s1{top:14%;left:18%}
.s2{top:9%;left:42%}
.s3{top:24%;left:62%}
.s4{top:38%;left:12%}
.s5{top:48%;left:78%}
.s6{top:6%;left:84%}

/* Top */
.top{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;padding:18px 20px 6px;max-width:680px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.02em;color:var(--accent)}
.brand .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#fff5d9,#caa46a);box-shadow:0 0 12px rgba(255,224,160,.4)}
.date{color:var(--muted);font-size:14px}

/* Main */
main{position:relative;z-index:1;max-width:680px;margin:0 auto;padding:8px 20px 40px}
.hero{padding:18px 4px 14px}
.hero h1{margin:0 0 6px;font-size:clamp(28px,7vw,40px);line-height:1.1;letter-spacing:-.01em}
.hero .sub{margin:0;color:var(--muted)}

/* Card */
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px;margin-top:18px;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.card h2{margin:0 0 14px;font-size:18px;letter-spacing:.02em}

/* Form */
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{margin-top:12px}
.field span{font-size:13px;color:var(--muted)}
.field input,.field textarea{background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:12px;padding:14px;color:var(--text);outline:none;width:100%;min-height:48px}
.field input:focus,.field textarea:focus{border-color:var(--accent)}
.field textarea{resize:vertical;min-height:64px}

.sleep-pill{margin-top:14px;display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:rgba(138,123,255,.14);border:1px solid rgba(138,123,255,.35);color:var(--accent);font-size:14px}

.block{margin-top:18px}
.block-title{font-size:14px;color:var(--muted);margin-bottom:10px}

/* Rating */
.rating{display:flex;gap:8px}
.rating button{flex:1;min-height:48px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);font-weight:600;font-size:16px;transition:transform .12s ease,background .2s ease,border-color .2s ease,color .2s ease}
.rating button:active{transform:scale(.97)}
.rating button.on{background:linear-gradient(180deg,#8a7bff,#6a5be0);border-color:#a99bff;color:#fff;box-shadow:0 6px 18px rgba(138,123,255,.35)}
.rating-hint{margin-top:8px;color:var(--muted);font-size:13px}

/* Toggle */
.toggle-row{display:flex;gap:8px}
.toggle{flex:1;min-height:48px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);font-weight:600}
.toggle.on{background:linear-gradient(180deg,#9be7c4,#5dc89a);border-color:#bff1d6;color:#0e3a26}

/* Save button */
.save{margin-top:18px;width:100%;min-height:54px;border-radius:16px;background:linear-gradient(180deg,#a99bff,#7a6bff);color:#fff;font-weight:700;font-size:17px;letter-spacing:.01em;box-shadow:0 10px 28px rgba(122,107,255,.35);transition:transform .1s ease}
.save:active{transform:scale(.99)}
.save.small{width:auto;padding:0 18px;min-height:46px;font-size:15px}
.ghost{min-height:46px;padding:0 14px;border-radius:12px;background:transparent;color:var(--muted);border:1px solid var(--line)}
.msg{margin-top:10px;font-size:14px;color:var(--good);min-height:18px}
.msg.err{color:var(--warn)}

/* History */
.history-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.stats{display:flex;gap:8px;flex-wrap:wrap}
.stats span{font-size:13px;color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--line);padding:4px 10px;border-radius:999px}
.list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.item{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 14px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:14px;cursor:pointer;transition:background .15s ease}
.item:active{background:rgba(255,255,255,.06)}
.item .d{font-size:13px;color:var(--muted);min-width:88px}
.item .info .t{font-weight:600;font-size:15px}
.item .info .m{font-size:13px;color:var(--muted);margin-top:2px}
.item .meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.item .dur{color:var(--accent);font-weight:600;font-size:14px}
.item .q{font-size:12px;color:var(--muted)}
.item .q .star{color:var(--gold)}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px}
.tag.med{background:rgba(155,231,196,.14);color:#9be7c4;border:1px solid rgba(155,231,196,.3)}
.tag.nomed{background:rgba(255,180,180,.1);color:#ffb4b4;border:1px solid rgba(255,180,180,.3)}
.tag.note{background:rgba(199,184,255,.12);color:var(--accent);border:1px solid rgba(199,184,255,.3)}
.empty{color:var(--muted);text-align:center;padding:20px 0;font-size:14px}

/* Weekly chart */
.chart-block{margin-top:18px}
.chart-legend{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:10px;font-size:13px;color:var(--muted)}
.chart-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:middle}
.chart-legend .lg-h{background:#8a7bff}
.chart-legend .lg-q{background:#ffd7a8}
.chart-wrap{position:relative;width:100%;height:170px}
svg.week-chart{width:100%;height:100%;display:block;overflow:visible}
svg.week-chart .axis{stroke:rgba(255,255,255,.08);stroke-width:1}
svg.week-chart .grid{stroke:rgba(255,255,255,.05);stroke-width:1;stroke-dasharray:3 3}
svg.week-chart .lbl{fill:var(--muted);font-size:10px;font-family:inherit}
svg.week-chart .day{fill:var(--text);font-size:11px;font-family:inherit;font-weight:600}
svg.week-chart .bar-h{fill:url(#gradH);opacity:.85}
svg.week-chart .pt-q{fill:#ffd7a8;stroke:#1a1530;stroke-width:1.5}
svg.week-chart .ln-q{fill:none;stroke:#ffd7a8;stroke-width:2;opacity:.7}
.chart-note{margin-top:8px;font-size:12px;color:var(--muted);text-align:center}

/* Modal */
.modal{position:fixed;inset:0;z-index:10;background:rgba(10,8,20,.7);display:flex;align-items:flex-end;justify-content:center;animation:fade .2s ease}
.modal-card{background:#1a1530;border:1px solid var(--line);border-radius:20px 20px 0 0;padding:20px;width:100%;max-width:680px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow)}
@media(min-width:600px){.modal{align-items:center}.modal-card{border-radius:20px;max-width:520px}}
.modal-card h3{margin:0 0 12px}
.modal-actions{display:flex;align-items:center;gap:8px;margin-top:16px}
.spacer{flex:1}
@keyframes fade{from{opacity:0}to{opacity:1}}