:root{--bg:#fafaf9;--surface:#fff;--surface-2:#f5f5f4;--border:#e7e5e4;--text:#1c1917;--text-dim:#78716c;--text-faint:#a8a29e;--accent:#dc2626;--accent-soft:#fef2f2;--blue:#2563eb;--amber:#d97706;--radius:14px;--shadow:0 1px 2px #0000000a, 0 8px 24px #0000000d;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-theme=dark]{--bg:#0c0a09;--surface:#1c1917;--surface-2:#262322;--border:#332f2d;--text:#f5f5f4;--text-dim:#a8a29e;--text-faint:#78716c;--accent:#f87171;--accent-soft:#2a1414;--blue:#60a5fa;--amber:#fbbf24;--shadow:0 1px 2px #0000004d, 0 8px 24px #00000059;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.5}button{font:inherit;color:inherit;cursor:pointer}.app{max-width:1180px;margin:0 auto;padding:28px 20px 64px}.topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.brand{align-items:baseline;gap:10px;display:flex}.brand h1{letter-spacing:-.02em;margin:0;font-size:20px}.topbar-actions{gap:8px;display:flex}.btn{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:8px 14px;font-size:14px;transition:background .15s,border-color .15s}.btn:hover{background:var(--surface-2)}.btn.icon{padding:8px 11px;line-height:1}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{filter:brightness(1.08)}.layout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:20px;display:grid}@media (width<=900px){.layout{grid-template-columns:1fr}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.cal-head{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;display:flex}.cal-title{flex-direction:column;display:flex}.cal-title strong{letter-spacing:-.02em;font-size:19px}.cal-title small{color:var(--text-dim);font-size:13px}.cal-nav{align-items:center;gap:6px;display:flex}.weekdays{grid-template-columns:repeat(7,1fr);padding:10px 10px 0;display:grid}.weekdays div{text-align:center;letter-spacing:.04em;text-transform:uppercase;color:var(--text-faint);padding-bottom:6px;font-size:12px;font-weight:600}.weekdays div.sun{color:var(--accent)}.grid{grid-template-columns:repeat(7,1fr);gap:4px;padding:0 10px 12px;display:grid}.day{text-align:center;background:0 0;border:1px solid #0000;border-radius:10px;flex-direction:column;justify-content:flex-start;align-items:center;gap:2px;min-height:72px;padding:8px 6px 7px;transition:background .12s,border-color .12s;display:flex;position:relative}.day:hover{background:var(--surface-2)}.day.out{opacity:.32}.day .solar{letter-spacing:-.02em;font-size:19px;font-weight:600;line-height:1.15}.day .lunar{color:var(--text-faint);font-size:11px;line-height:1.2}.day.sun .solar{color:var(--accent)}.day.newmoon .lunar,.day.fullmoon .lunar{color:var(--amber);font-weight:600}.day.selected{border-color:var(--text);background:var(--surface-2)}.day.today{background:var(--accent-soft)}.day.today .solar{color:var(--accent)}.day .dot{background:var(--blue);border-radius:50%;width:5px;height:5px;margin-top:1px}.day .dot.off{background:var(--accent)}.panel{padding:18px}.panel+.panel{margin-top:16px}.detail-top{text-align:center;border-bottom:1px solid var(--border);padding-bottom:14px}.detail-weekday{color:var(--text-dim);font-size:13px}.detail-big{letter-spacing:-.04em;font-size:64px;font-weight:700;line-height:1.05}.detail-big.sun{color:var(--accent)}.detail-solar{color:var(--text-dim);font-size:13px}.detail-lunar{margin-top:10px;font-size:15px;font-weight:600}.detail-lunar span{color:var(--text-dim);font-weight:400}.rows{flex-direction:column;gap:9px;margin-top:14px;display:flex}.row{justify-content:space-between;gap:12px;font-size:14px;display:flex}.row .k{color:var(--text-dim);flex-shrink:0}.row .v{text-align:right;font-weight:500}.badge{border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600;display:inline-block}.badge.good{color:#16a34a;background:#16a34a1f}.badge.bad{color:var(--accent);background:#dc26261f}.section-title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin:18px 0 8px;font-size:12px;font-weight:600}.hours{flex-wrap:wrap;gap:6px;display:flex}.hour{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:5px 9px;font-size:12px}.hour b{font-weight:600}.hour span{color:var(--text-dim);margin-left:4px}.events{flex-direction:column;gap:6px;display:flex}.event{background:var(--surface-2);border-radius:9px;align-items:center;gap:8px;padding:7px 10px;font-size:13.5px;display:flex}.event .pill{letter-spacing:.04em;background:var(--border);color:var(--text-dim);border-radius:5px;padding:1px 6px;font-size:10px;font-weight:700}.event.am .pill{color:var(--amber);background:#d9770629}.event.duong .pill{color:var(--blue);background:#2563eb24}.conv-tabs{background:var(--surface-2);border-radius:10px;gap:4px;padding:4px;display:flex}.conv-tabs button{color:var(--text-dim);background:0 0;border:0;border-radius:7px;flex:1;padding:7px;font-size:13px}.conv-tabs button.active{background:var(--surface);color:var(--text);font-weight:600;box-shadow:0 1px 2px #0000000f}.fields{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px;display:grid}.field label{color:var(--text-faint);margin-bottom:4px;font-size:11px;display:block}.field input{width:100%;font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:9px;padding:8px 10px;font-size:14px}.field input:focus{outline:2px solid var(--blue);outline-offset:-1px}.checkline{color:var(--text-dim);align-items:center;gap:7px;margin-top:10px;font-size:13px;display:flex}.conv-result{background:var(--surface-2);border-radius:10px;margin-top:12px;padding:12px 14px;font-size:15px}.conv-result strong{font-size:17px}.conv-result small{color:var(--text-dim);margin-top:3px;font-size:12.5px;display:block}.conv-result.err{color:var(--accent);font-size:13.5px}.footer{text-align:center;color:var(--text-faint);margin-top:28px;font-size:12.5px}.picker{align-items:center;gap:6px;display:flex}.picker select,.picker input{font:inherit;letter-spacing:-.02em;color:var(--text);background:0 0;border:1px solid #0000;border-radius:9px;padding:3px 6px;font-size:19px;font-weight:600;transition:background .12s,border-color .12s}.picker select{appearance:none;cursor:pointer;background-image:linear-gradient(45deg, transparent 50%, var(--text-faint) 50%), linear-gradient(135deg, var(--text-faint) 50%, transparent 50%);background-position:calc(100% - 11px) calc(50% + 1px),calc(100% - 6px) calc(50% + 1px);background-repeat:no-repeat;background-size:5px 5px,5px 5px;padding-right:20px}.picker select:hover,.picker input:hover{background-color:var(--surface-2)}.picker select:focus-visible,.picker input:focus{outline:2px solid var(--blue);outline-offset:-1px}.picker option{background:var(--surface);color:var(--text);font-size:14px;font-weight:400}.year-input{-moz-appearance:textfield;width:5.2ch}.year-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.year-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.brand{color:inherit;align-items:baseline;gap:10px;text-decoration:none;display:flex}.brand strong{letter-spacing:-.02em;font-size:20px}.brand span{color:var(--text-dim);font-size:13px}.article{max-width:72ch;margin:0 0 22px}.article h1{letter-spacing:-.025em;text-wrap:balance;margin:0 0 12px;font-size:clamp(22px,3.4vw,28px);line-height:1.22}.article p{color:var(--text-dim);margin:0 0 10px;font-size:15px;line-height:1.62}.article p:last-of-type{margin-bottom:0}.crosslinks{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.crosslinks a{border:1px solid var(--border);background:var(--surface);color:var(--text-dim);border-radius:999px;padding:5px 11px;font-size:13px;text-decoration:none;transition:background .12s,color .12s}.crosslinks a:hover{background:var(--surface-2);color:var(--text)}.permalink{color:var(--blue);margin-top:16px;font-size:13px;text-decoration:none;display:inline-block}.permalink:hover{text-decoration:underline}.table-scroll{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;min-width:520px;font-size:14px}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--border);padding:10px 16px}.data-table th{letter-spacing:.06em;text-transform:uppercase;color:var(--text-faint);background:var(--surface-2);font-size:11.5px;font-weight:600}.data-table tbody tr:last-child td{border-bottom:none}.data-table td.num{font-variant-numeric:tabular-nums;white-space:nowrap}.data-table .dim{color:var(--text-faint);font-size:12.5px}.data-table tr.is-leap{background:var(--accent-soft)}.footer-nav{flex-wrap:wrap;justify-content:center;gap:6px 18px;margin-bottom:10px;display:flex}.footer-nav a{color:var(--text-dim);font-size:13px;text-decoration:none}.footer-nav a:hover{color:var(--text);text-decoration:underline}a:focus-visible,button:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:2px}