:root{--bg:#f4f6f5;--card:#fff;--ink:#14201d;--muted:#5d6b67;--line:#dde4e1;--brand:#0f766e;--brand-d:#0b5a54;
--ok:#15803d;--okbg:#dcfce7;--warn:#a16207;--warnbg:#fef3c7;--bad:#b91c1c;--badbg:#fee2e2;--info:#1d4ed8;--infobg:#dbeafe;--side:#10211e}
*{box-sizing:border-box}html,body{margin:0}
body{font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand)}h1{font-size:1.45rem;margin:0 0 16px}h2{font-size:1.1rem;margin:0 0 12px}h3{font-size:1rem;margin:0 0 8px}
.topbar{display:none}
.sidebar{position:fixed;inset:0 auto 0 0;width:230px;background:var(--side);padding:16px 10px;overflow-y:auto;z-index:20}
.side-brand,.brand{display:flex;align-items:center;gap:8px;font-weight:700;color:#fff;text-decoration:none;font-size:1.1rem}
.side-brand{padding:6px 10px 18px}
.logo{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;font-size:18px}
.sidebar a{display:block;color:#c9d6d2;text-decoration:none;padding:9px 12px;border-radius:8px;margin-bottom:2px}
.sidebar a:hover{background:#1b3530;color:#fff}.sidebar a.on{background:var(--brand);color:#fff}
.sidebar .logout{margin-top:16px;color:#f6a5a5}
.content{margin-left:230px;padding:24px;max-width:1200px}
.plain{max-width:440px;margin:40px auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:16px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));margin-bottom:16px}
.grid2{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat-l{color:var(--muted);font-size:.85rem}.stat-v{font-size:1.4rem;font-weight:700;margin-top:2px}.stat-s{font-size:.8rem;color:var(--muted)}
label{display:block;font-weight:600;font-size:.88rem;margin:10px 0 4px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);border-color:transparent}
input[type=checkbox]{width:auto;margin-right:6px}
.row{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--brand-d)}.btn.sm{padding:5px 10px;font-size:.85rem}.btn.block{display:block;width:100%;text-align:center}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}.btn.danger{background:var(--bad)}
.btn.gray{background:#e5ebe9;color:var(--ink)}
.mt{margin-top:14px}.muted{color:var(--muted)}.small{font-size:.85rem}.right{text-align:right}.inline{display:inline}
.actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:16px}
table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{background:#f8faf9;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}tr:last-child td{border-bottom:0}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.78rem;font-weight:600}
.badge.ok{background:var(--okbg);color:var(--ok)}.badge.warn{background:var(--warnbg);color:var(--warn)}
.badge.bad{background:var(--badbg);color:var(--bad)}.badge.info{background:var(--infobg);color:var(--info)}.badge.muted{background:#eef1f0;color:var(--muted)}
.alert{padding:11px 14px;border-radius:8px;margin-bottom:14px}.alert.ok{background:var(--okbg);color:var(--ok)}
.alert.bad{background:var(--badbg);color:var(--bad)}.alert.warn{background:var(--warnbg);color:var(--warn)}.alert.info{background:var(--infobg);color:var(--info)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.filters input,.filters select{width:auto;flex:1 1 140px}
pre.code{background:#0f1a18;color:#d6f5ec;padding:14px;border-radius:10px;overflow:auto;font-size:.82rem;white-space:pre}
.plans{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.plan{border:2px solid var(--line);border-radius:12px;padding:16px;background:#fff;cursor:pointer;display:block}
.plan:has(input:checked){border-color:var(--brand);background:#effaf8}.plan input{display:none}
.plan .price{font-size:1.4rem;font-weight:800;color:var(--brand)}
.msg{padding:10px 12px;border-radius:10px;margin-bottom:10px;max-width:85%}.msg.me{background:#e6f4f1;margin-left:auto}.msg.them{background:#f1f3f2}
.spinner{width:42px;height:42px;border:4px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin 1s linear infinite;margin:18px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.scrim{display:none}
@media (max-width:860px){
 .topbar{display:flex;align-items:center;gap:10px;position:sticky;top:0;background:var(--side);padding:10px 14px;z-index:15}
 .menu-btn{background:none;border:0;color:#fff;font-size:22px;cursor:pointer}.who{margin-left:auto;color:#a9bbb6;font-size:.8rem}
 .sidebar{transform:translateX(-100%);transition:transform .2s}.nav-open .sidebar{transform:none}
 .nav-open .scrim{display:block;position:fixed;inset:0;background:#0006;z-index:10}
 .content{margin-left:0;padding:16px}
}
/* Printable vouchers */
.vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.vcard{border:1.5px dashed #555;border-radius:8px;padding:8px;text-align:center;break-inside:avoid;font-size:12px}
.vcard .vc{font:700 20px/1.2 ui-monospace,monospace;letter-spacing:2px;margin:4px 0}
@media print{.sidebar,.topbar,.noprint,h1{display:none!important}.content{margin:0;padding:0}body{background:#fff}}