:root{--bg: #f4f5f7;--card: #ffffff;--text: #14171c;--muted: #667085;--border: #e2e5ea;--accent: #1652f0;--accent-text: #ffffff;--success: #0a7d4b;--success-bg: #e3f6ec;--pending: #8a4b00;--pending-bg: #fff4e5;--neutral-bg: #eceef2;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0e1116;--card: #171b22;--text: #f1f3f6;--muted: #98a2b3;--border: #2a303a;--accent: #4c7dff;--success: #3ecf8e;--success-bg: #12301f;--pending: #ffcf8a;--pending-bg: #33260f;--neutral-bg: #252b35}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px}h1,h2,h3,p,dl,dd{margin:0}h1{font-size:1.3rem}h2{font-size:1.05rem}h3{font-size:.95rem}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.muted{color:var(--muted)}.small{font-size:.85rem}.mono,code{font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:.85rem}.right{text-align:right}nav{background:var(--card);border-bottom:1px solid var(--border)}.nav-inner{max-width:1000px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.nav-links{margin-left:auto;display:flex;align-items:center;gap:18px;flex-wrap:wrap}.nav-links a{color:var(--muted);padding:4px 0}.nav-links a.active{color:var(--text);font-weight:600;border-bottom:2px solid var(--accent)}main{max-width:1000px;margin:0 auto;padding:24px 16px 48px;display:flex;flex-direction:column;gap:20px}main.center{min-height:100vh;align-items:center;justify-content:center}.panel{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:14px}.panel>header,header.sub{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}header.sub{margin-top:8px;padding-top:16px;border-top:1px solid var(--border)}.login{width:100%;max-width:400px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.stat{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}.stat.highlight{border-color:var(--accent)}.stat-value{font-size:1.4rem;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th{text-align:left;font-size:.8rem;font-weight:500;color:var(--muted);padding:8px 10px;border-bottom:1px solid var(--border)}th.right{text-align:right}td{padding:10px;border-bottom:1px solid var(--border)}tr:last-child td{border-bottom:none}.amount-cell{font-variant-numeric:tabular-nums;font-weight:600}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.8rem;font-weight:600}.badge.paid{background:var(--success-bg);color:var(--success)}.badge.pending{background:var(--pending-bg);color:var(--pending)}.badge.expired{background:var(--neutral-bg);color:var(--muted)}label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--muted)}input{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:10px 12px;min-width:0}input:focus{outline:2px solid var(--accent);outline-offset:-1px}.row-form{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap}.row-form .grow{flex:1;min-width:200px}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.6}button.primary,button.secondary{min-height:42px;padding:0 18px;border-radius:10px;font-weight:600}button.primary{background:var(--accent);color:var(--accent-text);border:none}button.secondary{background:transparent;color:var(--text);border:1px solid var(--border);align-self:flex-start}button.link{background:none;border:none;padding:0;color:var(--accent)}button.small-button{background:transparent;color:var(--accent);border:1px solid var(--border);border-radius:8px;padding:4px 10px;font-size:.85rem;white-space:nowrap}.tabs{display:flex;gap:6px;flex-wrap:wrap}button.tab{background:transparent;border:1px solid var(--border);border-radius:999px;padding:4px 12px;color:var(--muted);font-size:.85rem}button.tab.active{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.notice{padding:12px;border-radius:10px;background:var(--pending-bg);color:var(--pending);font-size:.9rem}.created{display:flex;flex-direction:column;gap:8px;padding:14px;border-radius:10px;background:var(--success-bg)}.copy-row{display:flex;align-items:center;gap:10px}.copy-row code{flex:1;min-width:0;overflow-wrap:anywhere}dl{display:grid;grid-template-columns:max-content 1fr;gap:10px 20px}dt{color:var(--muted)}dd{overflow-wrap:anywhere}@media(max-width:560px){dl{grid-template-columns:1fr;gap:2px}dd{margin-bottom:10px}}