:root{
  --paper:#fbf9f4; --ink:#141414; --red:#c01a1a; --blue:#1f3a93; --line:#e3ddd0;
  --muted:#6a6458; --card:#ffffff; --ok:#1d7a3a; --warn:#b36b00; --bad:#c01a1a;
  --sat:env(safe-area-inset-top); --sab:env(safe-area-inset-bottom);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-text-size-adjust:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:var(--blue)}
.splash{padding:40vh 0;text-align:center;color:var(--muted)}

/* layout */
.top{position:sticky;top:0;z-index:5;background:var(--blue);color:#fff;padding:calc(10px + var(--sat)) 14px 10px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.top .brand{font-weight:700;letter-spacing:.04em}
.top .brand small{display:block;font-weight:400;opacity:.8;font-size:.75rem}
.top button{background:rgba(255,255,255,.15);color:#fff;border:0;border-radius:8px;padding:6px 10px}
.banner{background:#ffe9a8;color:#5a4300;padding:8px 14px;font-size:.85rem;text-align:center}
.banner.err{background:#ffd9d9;color:#7a0b0b}
main{padding:12px 12px calc(84px + var(--sab));max-width:720px;margin:0 auto}
nav.tabs{position:fixed;left:0;right:0;bottom:0;z-index:5;background:#fff;border-top:1px solid var(--line);display:flex;padding-bottom:var(--sab)}
nav.tabs button{flex:1;background:none;border:0;padding:10px 4px 8px;color:var(--muted);font-size:.72rem;display:flex;flex-direction:column;align-items:center;gap:2px}
nav.tabs button .ic{font-size:1.25rem;line-height:1}
nav.tabs button.on{color:var(--blue);font-weight:600}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px;margin:0 0 10px}
.card h2{margin:0 0 8px;font-size:1rem}
.card h3{margin:14px 0 6px;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.kpi{background:var(--paper);border-radius:10px;padding:10px}
.kpi .v{font-size:1.35rem;font-weight:700}
.kpi .l{font-size:.75rem;color:var(--muted)}
.kpi.bad .v{color:var(--bad)} .kpi.ok .v{color:var(--ok)} .kpi.warn .v{color:var(--warn)}
table{width:100%;border-collapse:collapse;font-size:.9rem}
td,th{padding:6px 4px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
td.n,th.n{text-align:right;white-space:nowrap}

/* buttons */
.btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 14px;color:var(--ink)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.danger{background:var(--red);border-color:var(--red);color:#fff}
.btn.ghost{background:transparent}
.btn.sm{padding:6px 10px;font-size:.85rem}
.btn:disabled{opacity:.5}
.btn.block{width:100%;display:block;text-align:center;margin-top:8px}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:.85rem}
.chip.on{background:var(--blue);color:#fff;border-color:var(--blue)}

/* items */
.search{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:10px}
.item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:8px}
.item.hidden{opacity:.6;background:#f6f3ec}
.item .hd{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.item .name{font-weight:600}
.item .price{color:var(--blue);font-weight:600;white-space:nowrap}
.item .desc{color:var(--muted);font-size:.85rem;margin-top:2px}
.item .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.tag{font-size:.7rem;padding:2px 7px;border-radius:999px;background:var(--paper);border:1px solid var(--line);color:var(--muted)}
.tag.so{background:#ffd9d9;color:#7a0b0b;border-color:#f3b4b4}
.tag.hid{background:#e9e9e9;color:#444}
.tag.tax{background:#e3f5e8;color:#145a2a;border-color:#bfe5c9}
.tag.notax{background:#ffe9a8;color:#5a4300;border-color:#f0d27a}
.tag.dd{background:#ffe7dd;color:#9a2f00;border-color:#ffc9b3}
.item .actions{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.item .actions .btn{flex:1;min-width:30%;text-align:center}
.item .actions .btn.so{background:#fff3f3;border-color:#f3b4b4;color:#7a0b0b}
.item .actions .btn.so.on{background:var(--red);border-color:var(--red);color:#fff}
.cat{margin:16px 0 6px;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--red)}

/* forms */
label.f{display:block;margin:10px 0 4px;font-size:.85rem;color:var(--muted)}
input.f,select.f,textarea.f{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
textarea.f{min-height:70px}
.sheet-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:20;display:flex;align-items:flex-end}
.sheet{background:#fff;border-radius:16px 16px 0 0;padding:16px 16px calc(16px + var(--sab));width:100%;max-width:720px;margin:0 auto;max-height:88vh;overflow:auto}
.sheet h2{margin:0 0 6px}
.sheet .btns{display:flex;gap:8px;margin-top:14px}
.sheet .btns .btn{flex:1}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(76px + var(--sab));background:#222;color:#fff;padding:10px 16px;border-radius:999px;font-size:.9rem;z-index:30;max-width:92vw}
.toast.err{background:var(--red)}

/* login */
.login{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center}
.login .script{font-family:"Mrs Saint Delafield",cursive;font-size:2.4rem;color:var(--blue);line-height:1}
.login h1{margin:0 0 20px;letter-spacing:.1em;text-transform:uppercase;font-size:1.3rem}
.login input{font-size:1.6rem;letter-spacing:.4em;text-align:center;width:220px;padding:10px;border:2px solid var(--line);border-radius:12px}
.login .btn{width:220px;margin-top:12px}
.login .hint{margin-top:18px;max-width:300px}
.spin{display:inline-block;width:14px;height:14px;border:2px solid #ccc;border-top-color:var(--blue);border-radius:50%;animation:sp .7s linear infinite;vertical-align:middle}
@keyframes sp{to{transform:rotate(360deg)}}