:root{color-scheme:light;--bg:#f7fafa;--surface:#fcfdfd;--card:#eaf2f2;--primary:#0b6f75;--primary2:#cfeedf;--text:#1b2324;--muted:#5c6a6c;--border:#cad6d7;--nav:#f1f4f4}html[data-theme='night']{color-scheme:dark;--bg:#111718;--surface:#171e1f;--card:#243032;--primary:#79d5d9;--primary2:#144a4d;--text:#edf6f6;--muted:#b7c8c9;--border:#3a4d4f;--nav:#1e2429}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}button,input,textarea{font:inherit}.app{min-height:100dvh;padding-bottom:78px}.wrap{max-width:720px;margin:auto;padding:20px}.hero{padding-top:max(22px,env(safe-area-inset-top))}.logo{font-size:36px;font-weight:900;letter-spacing:.04em;color:var(--primary)}h1,h2,h3,p{margin-top:0}.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:18px}.primary-card{background:var(--primary2)}.stack{display:grid;gap:12px}.btn{border:0;border-radius:16px;padding:14px 16px;background:var(--primary);color:#082e31;font-weight:800;width:100%}.btn.alt{background:transparent;color:var(--text);border:1px solid var(--border)}.input{width:100%;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:16px;padding:14px}.header{position:sticky;top:0;z-index:4;background:var(--surface);border-bottom:1px solid var(--border);padding:max(10px,env(safe-area-inset-top)) 14px 10px;display:flex;align-items:center;gap:10px}.space-switch{background:transparent;border:0;color:var(--text);font-weight:800;font-size:16px;padding:8px 4px}.grow{flex:1}.tabs{position:fixed;left:0;right:0;bottom:0;z-index:5;background:var(--nav);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr);padding:8px 6px calc(8px + env(safe-area-inset-bottom))}.tabs button{background:transparent;border:0;color:var(--muted);font-size:12px;padding:8px 2px}.tabs button.active{color:var(--primary);font-weight:900}.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.metric{text-align:center}.module{display:flex;gap:12px;align-items:center}.module .icon{font-size:24px}.calendar-head{display:flex;align-items:center;justify-content:space-between}.weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.weekdays div{text-align:center;font-size:12px;color:var(--muted);padding:6px 0}.day{min-height:92px;border:1px solid var(--border);background:var(--card);border-radius:12px;padding:6px;overflow:hidden}.day.today{outline:2px solid var(--primary)}.day .n{font-weight:800}.preview{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}.editor{display:grid;gap:12px}.task-row{display:flex;gap:10px;align-items:center}.task-row span{flex:1}.theme-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.small{font-size:12px}.hidden{display:none!important}@media(max-width:420px){.wrap{padding:16px}.day{min-height:82px;padding:5px}.preview{font-size:10px}}

/* alpha.7 UI polish */
.wrap{padding:22px}.stack{gap:14px}.card{border-radius:24px;padding:18px}.module{gap:14px}.module .icon{min-width:30px;text-align:center}.inspired{margin:.35rem 0 0;font-weight:600}.calculator-card{display:grid;gap:14px}.calc-display{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:14px 16px;text-align:right;display:grid;gap:4px}.calc-display span{font-size:12px;color:var(--muted)}.calc-display strong{font-size:32px;line-height:1.2;overflow:hidden;text-overflow:ellipsis}.calc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.calc-key{min-height:58px;padding:12px 8px;font-size:18px}.calc-equals{min-height:58px;font-size:20px}@media(max-width:420px){.wrap{padding:17px}.card{border-radius:20px;padding:16px}.calc-grid{gap:8px}.calc-key{min-height:54px}}