:root{--teal:#2A807C;--teal-ink:#1d625e;--signal:#E45715;--paper:#FBF8F1;--night:#07140F;--muted:#55564b;--parch:#D8D0B7;--ok:#1e6b2f;--err:#c62828}
*{box-sizing:border-box}html,body{margin:0;background:var(--paper);color:var(--night);font:17px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;-webkit-text-size-adjust:100%}
.top{position:sticky;top:0;z-index:5;background:var(--paper);padding:10px 14px 8px;border-bottom:1px solid var(--parch)}
.logo{height:34px;display:block;margin-bottom:8px}
.prog{height:10px;background:#e8e2d0;border-radius:6px;overflow:hidden}.bar{height:100%;width:0;background:var(--teal);transition:width .3s}
.progtx{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin-top:4px}.save{color:var(--ok)}.save.bad{color:var(--err)}
main{max-width:620px;margin:0 auto;padding:14px 14px 110px}
.card{background:#fff;border:1px solid var(--parch);border-radius:16px;padding:16px;margin-bottom:14px;box-shadow:0 1px 3px #0001}
h1{font-size:23px;margin:0 0 8px;line-height:1.25}h2{font-size:21px;margin:4px 0 6px;line-height:1.3}
.qn{font-size:14px;font-weight:700;color:var(--teal-ink);letter-spacing:.3px}.hint{color:var(--muted);margin:0 0 6px}.ex{font-size:15px;color:var(--muted);background:#f5f1e6;border-radius:10px;padding:8px 10px;margin:8px 0}
textarea{width:100%;min-height:130px;font:inherit;padding:12px;border:2px solid var(--parch);border-radius:12px;background:#fffdf8;resize:vertical}textarea:focus{outline:none;border-color:var(--teal)}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
button,.btn{font:inherit;font-weight:600;border:0;border-radius:12px;padding:13px 16px;min-height:50px;cursor:pointer;background:var(--teal);color:#fff;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}
button:disabled{opacity:.5}.alt{background:#fff;color:var(--teal-ink);border:2px solid var(--teal)}.ghost{background:transparent;color:var(--muted);border:1px dashed var(--parch)}.go{background:var(--signal)}.red{background:var(--err)}
.grow{flex:1 1 140px}.full{width:100%}
.att{list-style:none;padding:0;margin:10px 0 0}.att li{display:flex;gap:8px;align-items:flex-start;background:#f3f8f7;border-radius:10px;padding:8px 10px;margin-bottom:6px;font-size:15px}.att li .t{flex:1;word-break:break-word}.att li button{min-height:34px;padding:4px 10px;background:#fff;color:var(--err);border:1px solid #e6b3b3;font-size:14px}
.tr{display:block;color:var(--muted);font-style:italic;margin-top:2px}
.nav{position:fixed;left:0;right:0;bottom:0;background:#fffdf8ee;backdrop-filter:blur(4px);border-top:1px solid var(--parch);padding:10px 14px calc(10px + env(safe-area-inset-bottom));display:flex;gap:10px;z-index:6}.nav button{flex:1}
.list{list-style:none;padding:0;margin:0}.list li{padding:10px 0;border-bottom:1px solid #eee;display:flex;gap:10px}.list .st{width:26px;flex:none;font-size:20px}.list a{color:var(--night)}
.sheet{position:fixed;inset:0;background:#000a;z-index:20;display:flex;align-items:flex-end}.sheet>div{background:#fff;width:100%;max-width:620px;margin:0 auto;border-radius:18px 18px 0 0;padding:18px 18px calc(18px + env(safe-area-inset-bottom))}
.rec{font-size:30px;font-weight:700;text-align:center;margin:12px 0}.dot{display:inline-block;width:14px;height:14px;border-radius:50%;background:var(--err);margin-right:8px;animation:bl 1s infinite}@keyframes bl{50%{opacity:.2}}
.msg{white-space:pre-line;margin:8px 0;font-size:16px}.msg.err{color:var(--err)}
.toast{position:fixed;left:10px;right:10px;bottom:90px;z-index:30;padding:13px 14px;border-radius:12px;color:#fff;background:#333;white-space:pre-line;box-shadow:0 4px 14px #0005}.toast[data-kind=err]{background:var(--err)}.toast[data-kind=ok]{background:var(--ok)}
.busy{position:fixed;inset:0;background:#fff9;z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;font-weight:600}.spin{width:38px;height:38px;border:4px solid var(--parch);border-top-color:var(--teal);border-radius:50%;animation:sp 1s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}
.hidden{display:none!important}.small{font-size:14px;color:var(--muted)}.need{color:var(--signal);font-size:13px;font-weight:700}