:root{--bg:#0b2530;--bg2:#0f3442;--card:#123d4d;--text:#eaf6f8;--muted:#9fc3cc;--accent:#2dd4bf;--sos:#ff6f61;--sos2:#ff8a65;--line:rgba(255,255,255,.08);--r:18px}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:linear-gradient(180deg,var(--bg2),var(--bg) 60%);color:var(--text);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;min-height:100%}
body{padding:env(safe-area-inset-top) 0 calc(76px + env(safe-area-inset-bottom))}
#app{max-width:520px;margin:0 auto;padding:12px 16px 24px}
h1{font-size:1.35rem;margin:0;letter-spacing:.3px}h2{font-size:1.15rem;margin:.2em 0 .6em}
a{color:var(--accent)}
.top{display:flex;align-items:center;justify-content:space-between;padding:8px 2px 4px}
.muted{color:var(--muted)}.small{font-size:.82rem}.center{text-align:center}.pad{padding:0 4px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:12px 0}
.label{color:var(--muted);font-size:.85rem;margin:.6em 0 .3em;text-transform:uppercase;letter-spacing:.06em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:14px;padding:14px 18px;font:600 1rem system-ui,sans-serif;background:var(--accent);color:#06313a;text-decoration:none;cursor:pointer;min-height:48px}
.btn:disabled{opacity:.4}.btn.small{padding:10px 14px;min-height:40px}.btn.wide{width:100%;margin:10px 0}
.btn.ghost{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.18)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.row3 .btn{font-size:.85rem;padding:10px 6px;text-align:center}
/* SOS hero */
.hero{display:flex;flex-direction:column;align-items:center;padding:18px 0 6px}
.sos-btn{width:min(68vw,250px);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;text-decoration:none;color:#fff;
  background:radial-gradient(circle at 35% 30%,var(--sos2),var(--sos) 60%,#e5533f);box-shadow:0 0 0 0 rgba(255,111,97,.6),0 20px 50px rgba(255,111,97,.35);animation:pulse 2.4s infinite}
.sos-btn span{font:900 clamp(3rem,15vw,4.4rem) system-ui,sans-serif;letter-spacing:3px}
.sos-btn:active{transform:scale(.96)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,111,97,.55),0 20px 50px rgba(255,111,97,.35)}70%{box-shadow:0 0 0 28px rgba(255,111,97,0),0 20px 50px rgba(255,111,97,.35)}100%{box-shadow:0 0 0 0 rgba(255,111,97,0),0 20px 50px rgba(255,111,97,.35)}}
.hint{color:var(--muted);margin:14px 0 0}
.counter .big{font:800 2.2rem system-ui,sans-serif;margin:.1em 0 .4em;font-variant-numeric:tabular-nums}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}
.grid3 b,.stat b{display:block;font-size:1.25rem}.grid3 span,.stat span{color:var(--muted);font-size:.75rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid2 .card{margin:0}.stat{text-align:center}
.milestones{list-style:none;margin:0;padding:0}
.milestones li{padding:10px 0;border-bottom:1px solid var(--line)}
.milestones li div{display:flex;justify-content:space-between;gap:10px;font-size:.92rem}
.milestones em{color:var(--muted);font-style:normal;font-size:.8rem;white-space:nowrap}
.milestones li.done em{color:var(--accent)}
.milestones i{display:block;height:4px;border-radius:4px;margin-top:6px;background:linear-gradient(90deg,var(--accent) var(--p),rgba(255,255,255,.08) var(--p))}
.install{display:flex;align-items:center;gap:12px;justify-content:space-between}.install p{margin:0}
.crisis summary{cursor:pointer;font-weight:600}.crisis ul{padding-left:18px}.crisis li{margin:6px 0}
/* tabs */
.tabs{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:space-around;align-items:center;background:rgba(9,30,38,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:5}
.tabs a{display:flex;flex-direction:column;align-items:center;text-decoration:none;color:var(--muted);font-size:.7rem;min-width:56px}
.tabs a span{font-size:1.25rem}.tabs a.active{color:var(--text)}
.tabs .tab-sos{background:var(--sos);color:#fff;border-radius:50%;width:58px;height:58px;justify-content:center;margin-top:-26px;box-shadow:0 6px 20px rgba(255,111,97,.5)}
.tabs .tab-sos span{font:900 1rem system-ui}
/* chips & forms */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.chips.col{flex-direction:column}
.chip{border:1px solid rgba(255,255,255,.2);background:transparent;color:var(--text);border-radius:999px;padding:10px 14px;font:500 .95rem system-ui;cursor:pointer}
.chip.on{background:var(--accent);color:#06313a;border-color:var(--accent)}
.chips.col .chip{border-radius:14px;text-align:left;padding:14px}
input,select,textarea{width:100%;background:#0b2b37;border:1px solid rgba(255,255,255,.18);color:var(--text);border-radius:12px;padding:12px;font:16px system-ui;margin-top:6px}
label{display:block;color:var(--muted);font-size:.9rem;margin:8px 0}
.check{display:flex;align-items:center;gap:10px;color:var(--text);font-size:1rem}.check input{width:22px;height:22px;margin:0}
input[type=range]{padding:0;accent-color:var(--sos);height:36px;background:transparent;border:0}
.setup{min-height:80vh;display:flex;flex-direction:column}.setup .field{flex:1}
.progress{height:6px;background:rgba(255,255,255,.08);border-radius:6px;overflow:hidden;margin:10px 0}.progress i{display:block;height:100%;background:var(--accent);transition:width .3s}
/* SOS screen */
.sos{min-height:92vh;display:flex;flex-direction:column}
.sos-top{display:flex;justify-content:space-between;align-items:center;padding:6px 0;color:var(--muted);font-variant-numeric:tabular-nums}
.sos-top .x{color:var(--text);text-decoration:none;font-size:1.4rem;padding:6px 10px}
#stage{flex:1}
.breath{display:flex;flex-direction:column;align-items:center;justify-content:center;height:340px;margin-top:10px}
.circle{width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,#5eead4,#0e7490);box-shadow:0 0 60px rgba(45,212,191,.45);transition-property:transform;transition-timing-function:ease-in-out}
.circle.grow,.circle.hold{transform:scale(1.7)}.circle.shrink{transform:scale(1)}
#bText{margin-top:70px;font-size:1.3rem;font-weight:600}
.slider{text-align:center;margin:30px 0}.slider output{font:800 4rem system-ui;color:var(--sos)}.ends{display:flex;justify-content:space-between;color:var(--muted);font-size:.85rem}
.chat{display:flex;flex-direction:column;gap:8px;max-height:46vh;overflow-y:auto;padding:4px 0}
.msg{max-width:88%;padding:10px 14px;border-radius:16px;white-space:pre-wrap}
.msg.assistant{background:var(--card);border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.msg.user{background:var(--accent);color:#06313a;align-self:flex-end;border-bottom-right-radius:4px}
.msg small{color:var(--muted)}.typing{opacity:.6;font-style:italic}
.quick .chip{font-size:.85rem;padding:8px 12px}
.composer{display:flex;gap:8px;align-items:center}.composer input{margin:0}
.note{border-color:rgba(255,111,97,.4)}
.won{text-align:center;padding-top:30px}.badge{width:110px;height:110px;margin:0 auto 10px;border-radius:50%;display:grid;place-items:center;font-size:3.5rem;background:var(--accent);color:#06313a}
/* modal & toast */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:flex-end;justify-content:center;z-index:20}
.sheet{background:var(--bg2);width:100%;max-width:520px;border-radius:22px 22px 0 0;padding:20px 16px calc(20px + env(safe-area-inset-bottom))}
.toast{position:fixed;left:50%;bottom:100px;transform:translate(-50%,20px);opacity:0;background:#e6fffb;color:#06313a;padding:12px 16px;border-radius:12px;max-width:90%;transition:.3s;z-index:30;font-weight:500}
.toast.show{opacity:1;transform:translate(-50%,0)}
/* log & stats */
.history{list-style:none;margin:0;padding:0}.history li{padding:10px 0;border-bottom:1px solid var(--line)}
.history li div{display:flex;flex-direction:column}.history span{color:var(--muted);font-size:.85rem}.history em{font-size:.85rem}
.history li.slip b,.history li.used b{color:var(--sos)}
.bars{display:flex;align-items:flex-end;gap:6px;height:130px}.bars div{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.bars i{display:block;width:100%;background:linear-gradient(var(--accent),#0e7490);border-radius:6px 6px 2px 2px;min-height:3px}.bars span{font-size:.7rem;color:var(--muted);margin-top:4px}
.hbar{display:grid;grid-template-columns:120px 1fr 28px;align-items:center;gap:8px;margin:6px 0;font-size:.9rem}.hbar i{height:10px;background:var(--sos);border-radius:6px}
.cardimg{width:100%;border-radius:12px;display:block}
/* premium */
.banner{background:#fde68a;color:#3b2f00;border-radius:12px;padding:10px 12px;font-weight:700;font-size:.85rem;margin:8px 0}
.feat{list-style:none;padding:0;margin:0}.feat li{margin:8px 0}
.plans{display:grid;gap:10px}.plan{display:flex;flex-direction:column;align-items:flex-start;text-align:left;background:var(--card);color:var(--text);border:2px solid var(--line);border-radius:16px;padding:14px;cursor:pointer;font:inherit}
.plan.on{border-color:var(--accent)}.plan span{font-size:1.2rem;font-weight:700}.plan em{color:var(--accent);font-style:normal;font-size:.85rem}
.list{display:flex;flex-direction:column;background:var(--card);border-radius:var(--r);overflow:hidden;margin:12px 0}
.list a,.list button{padding:16px;text-decoration:none;color:var(--text);border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;font:inherit;cursor:pointer}
.list .danger{color:var(--sos)}
[hidden]{display:none!important}