:root{--bg:#0b1120;--bg2:#0e1626;--card:#121c30;--card2:#0d1626;--line:rgba(148,163,184,.16);--line-strong:rgba(148,163,184,.28);--text:#eef3fb;--muted:#9fb0cc;--faint:#7c8aa5;--blue:#3b82f6;--cyan:#22d3ee;--good:#34d399;--bad:#f87171;--ring:rgba(56,189,248,.45);--radius:14px;--radius-sm:10px;--max:760px;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.5)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:Pretendard,system-ui,-apple-system,sans-serif;color:var(--text);line-height:1.6;letter-spacing:0;background:radial-gradient(900px 480px at 10% -10%,rgba(59,130,246,.16),transparent 60%),radial-gradient(760px 420px at 98% -4%,rgba(34,211,238,.1),transparent 55%),linear-gradient(180deg,var(--bg) 0%,var(--bg2) 100%);background-attachment:fixed;min-height:100vh;-webkit-font-smoothing:antialiased}.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 0}.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px;color:var(--text);text-decoration:none;letter-spacing:-.2px}.brand .dot{width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 4px 14px #22d3ee66}.back{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;border:1px solid var(--line);padding:6px 12px;border-radius:999px;transition:all .15s ease}.back:hover{color:var(--text);border-color:var(--line-strong);background:#ffffff08}main{padding:18px 0 10px}h1{font-size:clamp(25px,4.5vw,33px);font-weight:800;letter-spacing:-.8px;line-height:1.2}.sub{color:var(--muted);margin-top:10px;font-size:15px;max-width:62ch}.panel{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-top:24px;display:grid;gap:18px;box-shadow:var(--shadow)}.field label,.field2 label{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:8px;letter-spacing:-.1px}.inputline{display:flex;align-items:center;gap:8px;background:var(--card2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 14px;transition:border-color .15s ease,box-shadow .15s ease}.inputline:focus-within{border-color:var(--ring);box-shadow:0 0 0 3px #38bdf829}.inputline input{flex:1;background:transparent;border:0;outline:0;color:var(--text);font-size:18px;font-weight:700;padding:13px 0;width:100%;font-variant-numeric:tabular-nums}.inputline input::placeholder{color:var(--faint);font-weight:500}.inputline .unit{color:var(--muted);font-size:14px;white-space:nowrap;font-weight:500}.field2{display:grid;grid-template-columns:1fr}.quick{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.quick button{background:#3b82f61a;border:1px solid rgba(59,130,246,.28);color:#cfe0ff;border-radius:var(--radius-sm);padding:9px 13px;font-size:13px;font-weight:600;cursor:pointer;transition:all .14s ease}.quick button:hover{background:#3b82f633;transform:translateY(-1px)}.quick button:active{transform:translateY(0)}.quick button.ghost{background:transparent;border-color:var(--line);color:var(--muted)}.quick button.ghost:hover{color:var(--text);background:#ffffff08}.result{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:18px;box-shadow:var(--shadow);animation:rise .25s ease}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.result-main{text-align:center;padding-bottom:18px;border-bottom:1px solid var(--line)}.result-label{display:block;color:var(--muted);font-size:13px;font-weight:600}.result-value{display:block;font-size:clamp(30px,7vw,42px);font-weight:800;color:var(--cyan);letter-spacing:-1px;margin-top:6px;font-variant-numeric:tabular-nums}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 0}.result-grid div{background:var(--card2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px 12px;text-align:center}.result-grid span{display:block;color:var(--muted);font-size:12px}.result-grid strong{display:block;font-size:16px;margin-top:5px;font-weight:700;font-variant-numeric:tabular-nums}.ded-table{width:100%;border-collapse:collapse;font-size:14px;margin-top:14px}.ded-table th,.ded-table td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:right;font-variant-numeric:tabular-nums}.ded-table th{color:var(--faint);font-weight:600;font-size:12px}.ded-table th:first-child,.ded-table td:first-child{text-align:left;color:var(--muted)}.disclaimer{color:var(--faint);font-size:12px;margin-top:16px;line-height:1.6}.ad-slot{margin:24px 0;min-height:90px;display:flex;align-items:center;justify-content:center}.info{margin-top:30px;color:var(--muted)}.info h2{font-size:17px;color:var(--text);margin:18px 0 8px;font-weight:700;letter-spacing:-.3px}.info h2:first-child{margin-top:0}.info ul{margin:10px 0 0 18px;display:grid;gap:7px;font-size:14px}.info p{font-size:14px;margin-top:8px;line-height:1.65}.info strong{color:#cfe0ff;font-weight:600}.info a{color:var(--cyan);text-underline-offset:3px}.info a:hover{color:#a5f3fc}.source-list{display:grid;gap:12px;margin-top:18px}.source-card{background:var(--card2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px}.source-card h2{margin:0 0 6px;font-size:17px}.source-card p{margin-top:5px;color:var(--muted);font-size:14px;line-height:1.65}.source-card a{color:var(--cyan);text-underline-offset:3px}.source-card .checked{color:var(--faint);font-size:12px}.foot{margin:52px 0 38px;padding-top:22px;border-top:1px solid var(--line);color:var(--faint);font-size:13px;text-align:center}.foot a{color:var(--muted);text-decoration:none}.foot a:hover{color:var(--text)}.dday-list{display:grid;gap:12px;margin-top:18px}.dday-card{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:var(--shadow);transition:border-color .15s ease}.dday-card:hover{border-color:var(--line-strong)}.dday-card .t{font-weight:700}.dday-card .d{color:var(--muted);font-size:13px;margin-top:3px;font-variant-numeric:tabular-nums}.dday-card .big{font-size:26px;font-weight:800;letter-spacing:-.5px;font-variant-numeric:tabular-nums}.dday-card .big.past{color:var(--faint)}.dday-card .big.today{color:var(--good)}.dday-card .big.future{color:var(--cyan)}.dday-card .del{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:6px 10px;cursor:pointer;font-size:12px;transition:all .14s ease}.dday-card .del:hover{color:var(--bad);border-color:#f8717166}@media(max-width:520px){.result-grid{grid-template-columns:1fr}}.related-tools{margin-top:34px}.related-tools h2{font-size:15px;font-weight:700;color:var(--muted);margin-bottom:12px;letter-spacing:-.2px}.rt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.rt-grid a{display:flex;align-items:center;gap:8px;background:var(--card2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;color:var(--text);text-decoration:none;font-size:14px;font-weight:600;transition:all .14s ease}.rt-grid a:hover{border-color:var(--ring);background:#38bdf80f;transform:translateY(-1px)}.ks-item{min-width:0;overflow-wrap:anywhere;word-break:break-word}