:root{--bg: #f4f6f8;--surface: #ffffff;--border: #e2e6ea;--text: #1c2430;--muted: #6b7684;--accent: #0e6e7e;--accent-soft: #e3f1f3;--warn: #b45309;--warn-soft: #fef3c7;--danger: #b42318;--ok: #157f3d;--ok-soft: #dcf5e4;--done: #4b5563;--done-soft: #e9ebee;--row-hover: #f1f7f8;--shadow: 0 10px 40px rgba(15, 23, 42, .18);color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #11161c;--surface: #19202a;--border: #2a3441;--text: #e4e9ef;--muted: #8e9aa8;--accent: #4fb3c2;--accent-soft: #173238;--warn: #f0b252;--warn-soft: #3a2c12;--danger: #f2877c;--ok: #5fcf8a;--ok-soft: #163222;--done: #aab3be;--done-soft: #262e38;--row-hover: #1e2832;--shadow: 0 10px 40px rgba(0, 0, 0, .5);color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}button,input,select,textarea{font:inherit;color:inherit}button{border:1px solid var(--border);background:var(--surface);border-radius:6px;padding:6px 12px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.link{border:none;background:none;color:var(--accent);padding:4px 6px}button.link.danger{color:var(--danger)}button.small{padding:3px 9px;font-size:13px}input,select,textarea{border:1px solid var(--border);background:var(--surface);border-radius:6px;padding:6px 9px}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.app{max-width:1480px;margin:0 auto;padding:0 20px 24px}.topbar{display:flex;align-items:baseline;gap:14px;padding:18px 0 14px}.topbar h1{font-size:20px;margin:0}.muted{color:var(--muted)}.small{font-size:12px}.mono{font-variant-numeric:tabular-nums}.nowrap{white-space:nowrap}.right{text-align:right}.owing{color:var(--warn);font-weight:600}.kpis{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}.kpi{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 16px;min-width:140px}.kpi.clickable{cursor:pointer}.kpi.clickable:hover{border-color:var(--accent)}.kpi-value{font-size:22px;font-weight:650;font-variant-numeric:tabular-nums}.kpi-label{color:var(--muted);font-size:12px}.kpi.types{display:flex;flex-wrap:wrap;gap:6px;align-items:center;flex:1}.chip{border-radius:999px;padding:4px 11px;font-size:13px}.chip b{margin-left:4px;font-variant-numeric:tabular-nums}.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}.filters .search{flex:1 1 320px;min-width:240px}.filters .date{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}.error{background:var(--warn-soft);color:var(--warn);border-radius:8px;padding:8px 12px;margin:8px 0}.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow-x:auto;transition:opacity .15s}.table-wrap.loading{opacity:.55}table.orders{width:100%;border-collapse:collapse}table.orders th{text-align:left;font-size:12px;color:var(--muted);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap;position:sticky;top:0;background:var(--surface)}table.orders th.right{text-align:right}table.orders th.sortable{cursor:pointer;-webkit-user-select:none;user-select:none}table.orders th.sortable:hover{color:var(--text)}table.orders td{padding:8px 12px;border-bottom:1px solid var(--border);vertical-align:top}table.orders tbody tr{cursor:pointer}table.orders tbody tr:hover,table.orders tbody tr.selected{background:var(--row-hover)}table.orders td.product{max-width:340px}.sub{color:var(--muted);font-size:12px}.star{color:var(--warn);margin-right:4px}.empty{text-align:center;color:var(--muted);padding:40px}.badge{display:inline-block;border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600;white-space:nowrap}.badge.s0{background:var(--warn-soft);color:var(--warn)}.badge.s1{background:var(--ok-soft);color:var(--ok)}.badge.s2{background:var(--done-soft);color:var(--done)}.pager{display:flex;justify-content:space-between;align-items:center;padding:12px 2px;flex-wrap:wrap;gap:8px}.pager-controls{display:flex;gap:6px;align-items:center}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a59;display:flex;justify-content:flex-end;z-index:10}.drawer{width:min(860px,100%);height:100%;background:var(--bg);box-shadow:var(--shadow);display:flex;flex-direction:column}.drawer-head{display:flex;justify-content:space-between;gap:12px;padding:18px 22px 10px;background:var(--surface)}.drawer-head h2{margin:4px 0 2px;font-size:18px}.close{border:none;background:none;font-size:26px;line-height:1;padding:0 4px;color:var(--muted)}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:4px 22px 14px;background:var(--surface)}.actions label{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}.actions .balance{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end}.actions .balance b{font-size:18px;font-variant-numeric:tabular-nums}.tabs{display:flex;gap:2px;padding:0 16px;background:var(--surface);border-bottom:1px solid var(--border);overflow-x:auto}.tabs button{border:none;border-bottom:2px solid transparent;border-radius:0;background:none;padding:10px 12px;color:var(--muted);white-space:nowrap}.tabs button.active{color:var(--text);border-bottom-color:var(--accent);font-weight:600}.count{margin-left:6px;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:0 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.when{color:var(--muted);font-size:12px}.tag{background:var(--accent-soft);color:var(--accent);border-radius:4px;padding:1px 6px;font-size:11px;font-weight:600;margin-right:4px}.room{margin-bottom:4px}@media (max-width: 720px){.app{padding:0 12px 20px}.kpi{min-width:calc(50% - 6px)}.filters>*{flex:1 1 100%}.actions .balance{margin-left:0;align-items:flex-start}.timeline li{grid-template-columns:1fr;gap:2px}}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;z-index:20;display:flex;align-items:center;justify-content:center;padding:16px}.dialog{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);width:min(480px,100%);padding:18px 20px;max-height:90vh;overflow-y:auto}.dialog h3{margin:0 0 10px;font-size:16px}.changes{margin:0 0 16px;padding-left:18px;display:flex;flex-direction:column;gap:8px}.changes li{overflow-wrap:anywhere}.diff{white-space:pre-wrap;border-radius:6px;padding:4px 8px;margin-top:4px;font-size:13px}.diff.old{background:var(--warn-soft);text-decoration:line-through;opacity:.8}.diff.new{background:var(--ok-soft)}.form-actions.end{justify-content:flex-end}button.danger-fill{background:var(--danger);border-color:var(--danger);color:#fff}.topbar .user{margin-left:auto;display:flex;align-items:center;gap:4px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.login{width:min(360px,100%);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}.login h1{margin:0;font-size:20px}.login p{margin:0 0 4px}.login label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}.login label input{color:var(--text);font-size:14px}.login button{padding:9px;margin-top:4px}