:root{--bg: #0b1220;--panel: #111a2e;--panel2: #1a2540;--border: #24314f;--text: #e2e8f0;--muted: #8aa0bd;--accent: #3884ff;--green: #34d399;--red: #f87171;--radius: 10px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.app{max-width:760px;margin:0 auto;padding:0 12px calc(24px + env(safe-area-inset-bottom))}header{display:flex;align-items:center;justify-content:space-between;padding:14px 2px 8px}.brand{font-weight:700;font-size:18px;display:flex;align-items:center;gap:8px}.logo{color:var(--accent)}.date{font-weight:400;font-size:13px;color:var(--muted);margin-left:6px;text-transform:capitalize}.tabs{display:flex;gap:6px;position:sticky;top:0;background:var(--bg);padding:6px 0 10px;z-index:5}.tab{flex:1;padding:8px 0;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);color:var(--muted);font-size:14px;cursor:pointer}.tab.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}main{padding-top:4px}.view{display:flex;flex-direction:column;gap:14px}section{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px}h2{font-size:15px;margin:0 0 10px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}h3{font-size:14px;margin:8px 0 6px}.late-h{color:var(--red)}.muted{color:var(--muted)}.err{color:var(--red);background:#f871711a;border:1px solid rgba(248,113,113,.3);padding:8px 12px;border-radius:var(--radius)}.center{display:grid;place-items:center;min-height:60vh}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel2);color:var(--text);border-radius:8px;padding:7px 14px}button:disabled{opacity:.5;cursor:default}button[type=submit],.add-row button,.note-toolbar 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6px;font-size:22px;text-align:center}.login button{background:var(--accent);border-color:var(--accent);color:#fff;padding:9px}.cal-head{display:flex;align-items:center;justify-content:space-between}.cal-head h2{margin:0;text-transform:capitalize;font-size:16px;color:var(--text)}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}.wd{text-align:center;font-size:11px;color:var(--muted);padding:4px 0}.cell{position:relative;aspect-ratio:1;padding:3px;border-radius:8px;background:var(--panel);border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.cell .num{font-size:13px}.cell.dim{opacity:.35}.cell.today .num{color:var(--accent);font-weight:700}.cell.sel{border-color:var(--accent);background:var(--panel2)}.marks{display:flex;gap:3px;height:6px}.dot{width:6px;height:6px;border-radius:50%}.dot.ev{background:var(--accent)}.dot.task{background:var(--green)}.day-detail h3{text-transform:capitalize}.note-toolbar{display:flex;align-items:center;gap:8px}.note-toolbar h2{margin:0}.note-item{display:flex;justify-content:space-between;gap:10px;align-items:center;text-align:left;padding:11px 14px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}.note-item .title{font-weight:600}.note-title{font-size:17px;font-weight:700;width:100%}.note-body{width:100%;min-height:50vh;resize:vertical;font-family:ui-monospace,Consolas,monospace;font-size:14px}.plan-note h3{margin-top:0}.md{overflow-wrap:break-word}.md h1,.md h2,.md h3{color:var(--text);text-transform:none;letter-spacing:0}.md h1{font-size:18px}.md h2{font-size:16px}.md h3{font-size:15px}.md a{color:var(--accent)}.md code{background:var(--panel2);padding:1px 5px;border-radius:5px;font-size:13px}.md pre{background:var(--panel2);padding:10px;border-radius:8px;overflow-x:auto}.md blockquote{border-left:3px solid var(--accent);margin:8px 0;padding-left:10px;color:var(--muted)}.md ul,.md ol{padding-left:22px}.md input[type=checkbox]{width:14px;height:14px}@media(max-width:480px){.date{display:none}.cell{aspect-ratio:auto;min-height:44px}}