:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.app-shell{flex-direction:column;min-height:100dvh;display:flex}.app-header{z-index:100;background:var(--bg);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:48px;padding:0 16px;display:flex;position:sticky;top:0}.app-header-name{color:var(--text-muted,#888);text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.app-header-signout{border:1px solid var(--border);cursor:pointer;color:var(--text);white-space:nowrap;background:0 0;border-radius:6px;padding:4px 10px;font-size:13px}.app-header-signout:hover{background:var(--border)}.app-shell-content{flex:1;padding-bottom:64px;overflow-y:auto}.bottom-nav{background:var(--bg);border-top:1px solid var(--border);z-index:100;align-items:stretch;width:100%;max-width:1126px;height:64px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-nav a{color:var(--text);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:11px;text-decoration:none;display:flex}.bottom-nav a.active{color:var(--accent)}.bottom-nav a span.icon{font-size:22px}.sheet-backdrop{z-index:200;background:#0006;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet-body{background:var(--bg);border-radius:16px 16px 0 0;width:100%;max-height:90dvh;padding:16px;overflow-y:auto}.sheet-handle{background:var(--border);border-radius:2px;width:40px;height:4px;margin:0 auto 16px}.calendar-grid{grid-template-columns:repeat(7,1fr);gap:2px;padding:8px;display:grid}.calendar-day-header{text-align:center;color:var(--text);opacity:.5;padding:4px 0;font-size:11px}.calendar-day{cursor:pointer;border-radius:6px;flex-direction:column;align-items:center;gap:2px;min-height:44px;padding:4px;display:flex}.calendar-day:hover{background:var(--accent-bg)}.calendar-day.today .day-number{background:var(--accent);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;display:flex}.calendar-day.other-month{opacity:.3}.day-number{font-size:13px}.dot-row{flex-wrap:wrap;justify-content:center;gap:2px;display:flex}.assignment-dot{border-radius:50%;width:7px;height:7px}.auth-page{text-align:left;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:24px 16px 48px;display:flex}.auth-card{background:var(--bg);border:1px solid var(--border);width:100%;max-width:400px;box-shadow:var(--shadow);border-radius:16px;padding:32px}.auth-logo{color:var(--accent);letter-spacing:-.5px;text-align:center;margin-bottom:24px;font-size:28px;font-weight:700}.auth-title{color:var(--text-h);margin:0 0 20px;font-size:20px;font-weight:600}.auth-field{margin-bottom:14px}.auth-field label{color:var(--text-h);letter-spacing:.2px;margin-bottom:6px;font-size:13px;font-weight:600;display:block}.auth-field input{border:1px solid var(--border);width:100%;font-size:16px;font-family:var(--sans);color:var(--text-h);background:var(--bg);box-sizing:border-box;border-radius:10px;outline:none;padding:11px 14px;transition:border-color .15s}.auth-field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.auth-btn{background:var(--accent);color:#fff;width:100%;font-size:16px;font-weight:600;font-family:var(--sans);cursor:pointer;border:none;border-radius:10px;margin-top:6px;padding:13px;transition:opacity .15s}.auth-btn:disabled{opacity:.6;cursor:default}.auth-btn:not(:disabled):hover{opacity:.88}.auth-error{color:#dc2626;background:#dc262614;border-radius:8px;margin:10px 0 0;padding:10px 14px;font-size:14px}.auth-switch{text-align:center;color:var(--text);margin-top:20px;font-size:14px}.auth-switch button{color:var(--accent);cursor:pointer;background:0 0;border:none;margin-left:4px;padding:0;font-size:14px;font-weight:600}.dev-quicklogin{border-top:1px dashed var(--border);margin-top:16px;padding-top:12px}.dev-quicklogin button{border:1px dashed var(--border);width:100%;color:var(--text-muted,#888);cursor:pointer;background:0 0;border-radius:6px;padding:8px;font-size:12px}.dev-quicklogin button:hover{background:var(--border)}.auth-hint{color:var(--text);text-align:center;margin-top:12px;font-size:13px;line-height:1.5}