:root{
  --bg:#0b1120; --bg2:#111a2e; --card:#151f36; --card2:#1c2942; --text:#eef2fb; --muted:#8b97b3; --faint:#586590;
  --accent:#38d39f; --accent2:#22b3d4; --accent-soft:rgba(56,211,159,.14);
  --eat:#f59e0b; --border:#243352; --shadow:0 18px 44px rgba(0,0,0,.4); --r:20px; --r-sm:14px;
}
*{box-sizing:border-box;margin:0;padding:0;font-family:'Montserrat',system-ui,sans-serif;-webkit-tap-highlight-color:transparent}
body{background:radial-gradient(1000px 500px at 50% -10%,var(--bg2),var(--bg)) fixed;color:var(--text);min-height:100vh;display:flex;justify-content:center;padding:16px;padding-bottom:40px}
.app{width:100%;max-width:480px;display:flex;flex-direction:column;gap:16px}

.topbar{display:flex;justify-content:space-between;align-items:flex-start;padding-top:calc(env(safe-area-inset-top) + 4px)}
.brand h1{font-size:23px;font-weight:800;letter-spacing:-.02em}
.brand p{font-size:12.5px;color:var(--muted);margin-top:2px;font-weight:500}
.icon-btn{width:42px;height:42px;border-radius:13px;border:1px solid var(--border);background:var(--card);color:var(--text);display:grid;place-items:center;cursor:pointer;transition:.2s}
.icon-btn:hover{background:var(--card2)}
.icon-btn svg{width:20px;height:20px}

.protocols{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px}
.protocols::-webkit-scrollbar{display:none}
.proto{white-space:nowrap;border:1px solid var(--border);background:var(--card);color:var(--muted);border-radius:999px;padding:8px 15px;font-size:13px;font-weight:700;cursor:pointer;transition:.2s}
.proto.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}

.timer-wrap{position:relative;width:280px;height:280px;margin:4px auto 0}
.ring{width:280px;height:280px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:12;stroke-linecap:round}
.ring-bg{stroke:rgba(255,255,255,.06)}
.ring-fg{stroke:var(--accent);transition:stroke-dashoffset 1s linear,stroke .5s;filter:drop-shadow(0 0 10px rgba(56,211,159,.4))}
.timer-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.t-label{font-size:13px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.t-time{font-size:44px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.t-goal{font-size:13px;color:var(--muted);font-weight:600}
.t-pct{font-size:13px;color:var(--accent);font-weight:700;margin-top:2px}
body.eating .ring-fg{stroke:var(--eat);filter:drop-shadow(0 0 10px rgba(245,158,11,.4))}
body.eating .t-pct{color:var(--eat)}
body.eating .t-label{color:var(--eat)}

.main-btn{border:none;border-radius:16px;padding:16px;font-size:16px;font-weight:700;color:#04140e;background:linear-gradient(135deg,var(--accent),var(--accent2));cursor:pointer;transition:.2s;font-family:inherit;box-shadow:0 10px 24px rgba(56,211,159,.3)}
.main-btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.main-btn.fasting{background:var(--card2);color:var(--text);border:1px solid var(--border);box-shadow:none}

.stage-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:16px}
.stage-head{display:flex;align-items:center;gap:10px;margin-bottom:9px}
.stage-badge{font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);background:var(--accent-soft);padding:4px 9px;border-radius:7px}
.stage-name{font-size:16px;font-weight:700}
.stage-desc{font-size:13.5px;color:var(--muted);line-height:1.5;margin-bottom:14px}
.stage-track{display:flex;gap:4px}
.stage-track .seg{flex:1;height:6px;border-radius:999px;background:var(--card2);position:relative;overflow:hidden}
.stage-track .seg.done{background:var(--accent)}
.stage-track .seg.cur{background:linear-gradient(90deg,var(--accent),var(--card2))}
.stage-labels{display:flex;justify-content:space-between;margin-top:7px}
.stage-labels span{font-size:9.5px;color:var(--faint);font-weight:600}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--r-sm);padding:14px 6px;text-align:center}
.stat strong{font-size:21px;font-weight:800;display:block}
.stat span{font-size:10.5px;color:var(--muted)}

.backdrop{position:fixed;inset:0;background:rgba(4,8,18,.65);opacity:0;pointer-events:none;transition:.3s;z-index:40}
.backdrop.on{opacity:1;pointer-events:auto}
.sheet{position:fixed;left:50%;bottom:0;transform:translate(-50%,102%);width:100%;max-width:480px;background:var(--bg2);border-radius:24px 24px 0 0;border:1px solid var(--border);border-bottom:none;padding:22px 20px calc(26px + env(safe-area-inset-bottom));z-index:50;transition:transform .35s cubic-bezier(.4,0,.2,1);max-height:86vh;overflow-y:auto}
.sheet.on{transform:translate(-50%,0)}
.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.sheet-head h2{font-size:19px;font-weight:800}
.icon-btn.close{width:34px;height:34px;font-size:15px}
.week-chart{display:flex;align-items:flex-end;gap:9px;height:130px;margin-bottom:20px}
.wc{flex:1;display:flex;flex-direction:column;align-items:center;gap:7px;height:100%;justify-content:flex-end}
.wc .bar{width:100%;max-width:30px;border-radius:7px 7px 3px 3px;background:linear-gradient(180deg,var(--accent),var(--accent2));min-height:3px;transition:height .5s}
.wc .bar.goal{background:linear-gradient(180deg,#4ade80,#16a34a)}
.wc .d{font-size:10.5px;color:var(--muted)}
.hist-list{display:flex;flex-direction:column;gap:9px}
.hist{display:flex;justify-content:space-between;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 14px}
.hist .h-dur{font-size:16px;font-weight:800}
.hist .h-date{font-size:12px;color:var(--muted);margin-top:2px}
.hist .h-badge{font-size:11px;font-weight:700;padding:4px 10px;border-radius:8px}
.hist .h-badge.ok{background:var(--accent-soft);color:var(--accent)}
.hist .h-badge.no{background:var(--card2);color:var(--muted)}
.empty{text-align:center;color:var(--faint);padding:36px 20px;font-size:14px}

.field{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.field span{font-size:14px;font-weight:600}
.field b{color:var(--accent)}
input[type=range]{-webkit-appearance:none;appearance:none;height:6px;border-radius:999px;background:var(--card2);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--accent);cursor:pointer;box-shadow:0 2px 8px rgba(56,211,159,.5)}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border:none;border-radius:50%;background:var(--accent);cursor:pointer}
.save-btn{width:100%;border:none;border-radius:14px;padding:15px;font-weight:700;color:#04140e;background:linear-gradient(135deg,var(--accent),var(--accent2));cursor:pointer;font-size:15px;font-family:inherit}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,120px);background:var(--text);color:var(--bg);padding:12px 18px;border-radius:12px;font-size:13.5px;font-weight:700;z-index:60;transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow);max-width:90vw;text-align:center}
.toast.on{transform:translate(-50%,0)}