:root{--bg:#f5f6f8;--panel:#ffffff;--text:#1a2233;--muted:#6b7280;--border:#e2e5ea;--accent:#2563eb;--accent-text:#ffffff;--danger:#dc2626;--nav-bg:#101827;--nav-text:#d3d9e3;--nav-active:#2563eb;--row-alt:#f2f5f9}[data-theme=dark]{--bg:#0f1420;--panel:#182031;--text:#e5e9f0;--muted:#8b93a5;--border:#2a3347;--accent:#3b82f6;--accent-text:#ffffff;--danger:#f87171;--nav-bg:#0a0f1a;--nav-text:#aab3c5;--nav-active:#3b82f6;--row-alt:#1c2537}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,-apple-system,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app-shell{display:flex;min-height:100vh}.side-nav{width:210px;flex-shrink:0;background:var(--nav-bg);color:var(--nav-text);display:flex;flex-direction:column;padding:12px 0}.side-nav .brand{font-size:18px;font-weight:700;color:#fff;padding:8px 18px 16px}.side-nav a{color:var(--nav-text);text-decoration:none;padding:10px 18px;display:block}.side-nav a.active{background:var(--nav-active);color:#fff}.side-nav a:hover:not(.active){background:rgba(255,255,255,.07)}.main{flex:1 1;display:flex;flex-direction:column;min-width:0}.top-bar{display:flex;align-items:center;justify-content:flex-end;gap:12px;background:var(--panel);border-bottom:1px solid var(--border);padding:10px 20px}.top-bar .who{color:var(--muted)}.content{padding:20px}h1{font-size:20px;margin:0 0 16px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px}.btn,button{background:var(--accent);color:var(--accent-text);border:none;border-radius:6px;padding:8px 14px;font-size:14px;cursor:pointer}button.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}button:disabled{opacity:.5;cursor:default}input,select{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:14px}label{display:block;margin-bottom:4px;color:var(--muted)}.field{margin-bottom:12px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;white-space:nowrap}tbody tr:nth-child(2n){background:var(--row-alt)}.error{color:var(--danger);margin:8px 0}.count{color:var(--muted);margin-bottom:10px}.success{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:8px 0;padding:8px 12px;border-radius:6px;color:#166534;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.45)}[data-theme=dark] .success{color:#86efac}.success a{color:inherit;font-weight:600}.spinner-wrap{display:flex;align-items:center;justify-content:center;gap:10px;padding:40px 16px;color:var(--muted)}.spinner-wrap.inline{justify-content:flex-start;padding:10px 0}.spinner{width:18px;height:18px;flex-shrink:0;border-radius:50%;border:2px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.x-scroll{overflow-x:auto;max-width:100%}.charges-layout{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px}.charges-col{min-width:0}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{width:340px}.login-box h1{text-align:center}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px}.assistant-panel,.badge{border:1px solid var(--border)}.assistant-panel{position:fixed;right:18px;bottom:18px;z-index:100;width:390px;max-width:calc(100vw - 24px);height:540px;max-height:calc(100vh - 90px);background:var(--panel);border-radius:12px;box-shadow:0 10px 34px rgba(0,0,0,.28);display:flex;flex-direction:column;overflow:hidden}.assistant-head{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid var(--border);background:var(--bg)}.assistant-body{flex:1 1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px}.assistant-msg{border-radius:10px;padding:8px 12px;max-width:88%;white-space:pre-wrap;font-size:13px}.assistant-msg.user{align-self:flex-end;background:var(--accent);color:var(--accent-text)}.assistant-msg.assistant{align-self:flex-start;background:var(--bg);border:1px solid var(--border)}.assistant-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--border)}.nav-overlay,.nav-toggle{display:none}@media (max-width:820px){.nav-toggle{display:block;margin-right:auto;font-size:17px;line-height:1;padding:6px 11px}.side-nav{position:fixed;top:0;left:0;bottom:0;z-index:50;transform:translateX(-100%);transition:transform .18s ease;overflow-y:auto;width:230px}.side-nav.open{transform:translateX(0)}.nav-overlay{display:block;position:fixed;inset:0;z-index:40;background:rgba(0,0,0,.45)}.top-bar{padding:8px 12px;position:-webkit-sticky;position:sticky;top:0;z-index:20}.top-bar .who{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.content,.panel{padding:12px}.panel:has(>table){overflow-x:auto}.panel table{min-width:640px}.charges-col,.content .panel{min-width:0!important;max-width:100%}.charges-col{flex:1 1 100%!important}.x-scroll>table{min-width:480px}.panel>.x-scroll>table{min-width:0}.assistant-panel{right:0;bottom:0;left:0;width:100%;max-width:100%;height:72vh;border-radius:14px 14px 0 0}.btn,button{padding:10px 14px}input,select{padding:10px;font-size:16px}}