:root{
--primary:#008BA2;--primary-dark:#007285;--secondary:#5BBFDF;--red:#A91217;--ink:#16434c;--muted:#657b81;
--bg:#f5fbfd;--card:#fff;--line:#d8e9ed;--danger:#A91217;--radius:20px;
font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);padding-bottom:88px}
button,input,textarea{font:inherit}button{cursor:pointer;border:0}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100% - 980px)/2));position:sticky;top:0;z-index:5}
.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;overflow:hidden}.brand-mark img{width:100%;height:100%;object-fit:cover}.brand strong{display:block;font-size:18px}.brand small{display:block;color:var(--muted);font-size:10px;margin-top:2px}.icon-btn{background:#eef5f3;border-radius:12px;padding:10px}
.app-shell{max-width:980px;margin:auto;padding:24px 18px 30px}.view{display:none}.view.active{display:block}
.hero{background:linear-gradient(135deg,#008BA2,#5BBFDF);color:#fff;border-radius:28px;padding:28px 24px;display:flex;justify-content:space-between;gap:20px;align-items:center;box-shadow:0 12px 30px #008BA224}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.13em;opacity:.72}.hero h1{font-size:32px;line-height:1.08;margin:9px 0}.hero p{margin:0;opacity:.8}.streak{min-width:82px;text-align:center;background:#ffffff22;border:1px solid #ffffff2c;border-radius:20px;padding:13px}.streak span{font-size:24px;display:block}.streak b{font-size:28px;display:block}.streak small{opacity:.75}
.today-card,.form-card,.settings-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-top:18px;box-shadow:0 6px 20px #183b3610}.card-label{color:var(--primary);font-size:11px;font-weight:800;letter-spacing:.1em}.today-card h2{margin:9px 0 5px}.today-card p{color:var(--muted);margin-top:0}.primary{background:var(--primary);color:#fff;border-radius:13px;padding:13px 17px;font-weight:800;transition:.2s}.primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.primary.wide{width:100%;margin-top:8px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.stats div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px;text-align:center}.stats b{display:block;font-size:24px;color:var(--primary)}.stats span{font-size:11px;color:var(--muted)}
.section-title{font-size:15px;margin:25px 2px 10px}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.quick-grid button{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px 10px;display:flex;flex-direction:column;gap:8px;align-items:center;color:var(--ink);font-weight:700}.quick-grid button:hover{border-color:#9bc8c1;transform:translateY(-1px)}
.page-head{display:flex;align-items:center;gap:12px;margin:5px 0 16px}.page-head h1{margin:2px 0;font-size:27px}.back{background:#e9f1ef;border-radius:12px;padding:10px 13px;font-size:18px}
.form-card label{display:block;font-weight:750;font-size:13px;margin-bottom:15px}.form-card input,.form-card textarea,.add-task input{display:block;width:100%;border:1px solid var(--line);background:#fbfdfc;border-radius:13px;padding:12px;margin-top:7px;outline:none}.form-card input:focus,.form-card textarea:focus,.add-task input:focus{border-color:#76bdb3;box-shadow:0 0 0 3px #0f766e14}.method-box{background:#eefafd;border-left:4px solid var(--primary);border-radius:12px;padding:13px;margin:16px 0 9px}.method-box b{display:block;color:var(--primary);font-size:12px}.method-box span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.add-task{display:flex;gap:8px}.add-task input{margin:0}.add-task .primary{width:52px}.task-list{margin-top:14px}.task{background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px;display:flex;align-items:center;gap:12px;margin-bottom:9px}.task input{width:20px;height:20px;accent-color:var(--primary)}.task.done span{text-decoration:line-through;color:#93a19e}.task small{margin-left:auto;color:#9aa8a5}.history-summary{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px;display:flex;align-items:center;gap:12px}.history-summary b{font-size:30px;color:var(--primary)}.history-summary span{color:var(--muted);font-size:13px}.history-item{background:#fff;border:1px solid var(--line);border-radius:17px;padding:16px;margin-top:10px}.history-item .date{font-size:11px;color:var(--primary);font-weight:800}.history-item h3{margin:5px 0}.history-item p{color:var(--muted);font-size:13px;margin:4px 0}.settings-card button,.import-btn{display:block;width:100%;padding:15px;background:#f5f8f7;border:1px solid var(--line);border-radius:13px;text-align:left;margin-bottom:10px;font-weight:700}.import-btn input{display:none}.danger{color:var(--danger)!important}.privacy{font-size:12px;color:var(--muted);line-height:1.5;margin-top:20px}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:10;padding-bottom:max(5px,env(safe-area-inset-bottom))}.bottom-nav button{background:#fff;color:#788a86;padding:9px 2px 7px;font-size:17px}.bottom-nav span{display:block;font-size:10px;margin-top:3px}.bottom-nav .nav-active{color:var(--primary);font-weight:800}
.toast{position:fixed;left:50%;bottom:95px;transform:translate(-50%,20px);background:#17332f;color:#fff;padding:12px 16px;border-radius:12px;opacity:0;pointer-events:none;transition:.25s;z-index:20;font-size:13px}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:760px){.bottom-nav{max-width:600px;left:50%;transform:translateX(-50%);border:1px solid var(--line);border-bottom:0;border-radius:18px 18px 0 0}.hero{padding:36px}.quick-grid{grid-template-columns:repeat(6,1fr)}}
@media(max-width:500px){.hero{padding:22px 18px}.hero h1{font-size:26px}.streak{min-width:68px}.stats b{font-size:20px}}

.inductive-guide{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:18px;box-shadow:0 6px 20px #008ba210}.guide-head{border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:15px}.guide-head h2{margin:5px 0 4px;font-size:25px}.guide-head p,.inductive-guide>p{color:var(--muted);line-height:1.6}.inductive-guide h3{font-size:15px;margin:20px 0 10px;color:var(--primary)}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.guide-step{background:#f5fbfd;border:1px solid #d8edf2;border-radius:16px;padding:16px}.guide-step span{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--secondary);color:#fff;font-weight:900;font-size:12px}.guide-step b{display:block;color:var(--primary);margin-top:10px}.guide-step strong{display:block;margin-top:4px}.guide-step p{color:var(--muted);font-size:12px;line-height:1.55}.inductive-guide blockquote{margin:18px 0 0;border-left:4px solid var(--red);background:#fff8f8;padding:14px 16px;color:#5e3335;line-height:1.55}.inductive-guide blockquote small{color:var(--red);font-weight:800}@media(max-width:700px){.guide-grid{grid-template-columns:1fr}}