/* Dispenser Codes, v1.1 design. System fonts only, no external assets. */
:root{
  --bg:#eef1f4;--card:#fff;--fg:#0b1620;--muted:#45535f;--faint:#6a7884;--line:#cdd5dd;--line2:#e3e8ed;
  --accent:#0a5596;--accentFg:#fff;--head:#0c2d48;--headFg:#fff;--amber:#f2a51a;--amberFg:#1a1200;
  --codeBg:#0c2d48;--codeFg:#fff;--fixBg:#e8f2fb;--fixLine:#0a5596;
  --warnBg:#fff3d6;--warnFg:#4d3300;--warnLine:#e0a020;--danger:#b3261e;--mine:#dff0e4;--mineFg:#17501c;
  --shadow:0 1px 2px rgba(12,45,72,.06),0 2px 8px rgba(12,45,72,.06);
  --r:14px;--rs:10px;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Roboto Mono","Liberation Mono",monospace;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0b1620;--card:#132330;--fg:#eef3f7;--muted:#aebdc9;--faint:#8597a6;--line:#2b4053;--line2:#1f3243;
  --accent:#6cb8f5;--accentFg:#04121d;--head:#0f2436;--headFg:#eef3f7;--amber:#f5b335;--amberFg:#1a1200;
  --codeBg:#f5b335;--codeFg:#141000;--fixBg:#10283b;--fixLine:#6cb8f5;
  --warnBg:#2e2408;--warnFg:#ffe4a8;--warnLine:#c98e14;--danger:#ff8a80;--mine:#16321f;--mineFg:#a5d6a7;
  --shadow:none;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
body{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}

/* header */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:calc(10px + env(safe-area-inset-top)) 16px 10px;background:var(--head);color:var(--headFg);
  box-shadow:0 1px 0 rgba(255,255,255,.06),0 2px 10px rgba(0,0,0,.18)}
.brandmark{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.2px}
.brandmark img{border-radius:8px;display:block}
.brandmark small{display:block;font-size:12px;font-weight:600;opacity:.75;letter-spacing:.2px;margin-top:-2px}
.net{font-size:13px;padding:4px 12px;border-radius:999px;background:var(--amber);color:var(--amberFg);font-weight:800}

main{max-width:640px;margin:0 auto;padding:16px 16px 24px}
h2{font-size:15px;font-weight:800;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:26px 0 10px}

/* safety note */
.warn{display:flex;gap:10px;align-items:flex-start;background:var(--warnBg);color:var(--warnFg);border-left:4px solid var(--warnLine);
  border-radius:var(--rs);padding:10px 12px;font-size:14px;line-height:1.45;margin:0 0 16px}
.warn::before{content:"";flex:none;width:20px;height:20px;margin-top:1px;background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 1 21h22L12 2zm1 15h-2v2h2v-2zm0-7h-2v5h2v-5z'/%3E%3C/svg%3E") center/contain no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 1 21h22L12 2zm1 15h-2v2h2v-2zm0-7h-2v5h2v-5z'/%3E%3C/svg%3E") center/contain no-repeat}
.warn > *{margin:0}

/* form fields */
.fld{display:block;font-weight:700;font-size:14px;margin:0 0 14px;color:var(--muted);letter-spacing:.1px}
.lbl{display:block;font-weight:700;font-size:14px;margin:0 0 6px;color:var(--muted)}
.fld input,.fld select,.fld textarea{display:block;width:100%;margin-top:6px;min-height:52px;padding:12px 14px;font:inherit;font-weight:500;color:var(--fg);
  background:var(--card);border:2px solid var(--line);border-radius:var(--rs);-webkit-appearance:none;appearance:none}
.fld select{text-overflow:ellipsis;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 22px) 50%,calc(100% - 16px) 50%;background-size:6px 6px;background-repeat:no-repeat;padding-right:42px}
.fld textarea{min-height:auto;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 22%,transparent)}
.fld input::placeholder{color:var(--faint);font-weight:400}

/* brand chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.chip{flex:1 1 auto;min-height:50px;padding:0 14px;font:inherit;font-size:15px;font-weight:700;border-radius:var(--rs);border:2px solid var(--line);
  background:var(--card);color:var(--fg);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--accentFg)}
.chip:active{transform:scale(.97)}

/* code entry */
.row{display:flex;gap:10px;align-items:flex-end}
.row.wrap{flex-wrap:wrap;align-items:center;margin-bottom:12px}
.grow{flex:1;margin-bottom:0;min-width:0}
#lookupForm{margin-bottom:4px}
#code{font-family:var(--mono);font-size:22px;font-weight:700;min-height:58px;letter-spacing:.5px}
#code::placeholder{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:16px;letter-spacing:0}
#lookupBtn{min-height:58px;padding:0 22px;font-size:18px}
.search-fld input{padding-left:44px;background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23889aa8'%3E%3Cpath d='M10 4a6 6 0 1 0 3.9 10.6l4.8 4.8 1.4-1.4-4.8-4.8A6 6 0 0 0 10 4zm0 2a4 4 0 1 1 0 8 4 4 0 0 1 0-8z'/%3E%3C/svg%3E") 13px 50%/22px no-repeat}

/* buttons */
.btn{min-height:52px;min-width:52px;padding:0 20px;font:inherit;font-weight:700;border-radius:var(--rs);border:2px solid var(--line);
  background:var(--card);color:var(--fg);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accentFg)}
.btn.danger{color:var(--danger);border-color:var(--danger)}
.btn.ghost{border-color:transparent;background:none;color:var(--accent);padding:0 10px;min-height:44px}
.btn:active{transform:scale(.98)}
.filebtn{position:relative;overflow:hidden}
.filebtn input{position:absolute;inset:0;opacity:0;cursor:pointer}

.sub{color:var(--muted);font-size:15px;margin:0 0 14px}
.scope{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line2);border-radius:var(--rs);padding:10px 12px;font-size:14px;color:var(--muted);margin:0 0 14px}

/* status / empty states */
.msg{color:var(--muted);font-size:15px;min-height:1px;margin:10px 2px}
.msg:empty{margin:0}
.msg.count{font-weight:700;font-size:15px;color:var(--fg)}
.msg,.cards{scroll-margin-top:84px}
.msg.empty,.msg.hint{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;margin:18px 0;padding:26px 20px;
  background:var(--card);border:2px dashed var(--line);border-radius:var(--r);color:var(--muted);font-size:16px;line-height:1.45}
.msg.empty::before,.msg.hint::before{content:"";width:44px;height:44px;border-radius:50%;background:color-mix(in srgb,var(--accent) 14%,transparent);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23889aa8'%3E%3Cpath d='M10 4a6 6 0 1 0 3.9 10.6l4.8 4.8 1.4-1.4-4.8-4.8A6 6 0 0 0 10 4zm0 2a4 4 0 1 1 0 8 4 4 0 0 1 0-8z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:24px}
.msg.empty{color:var(--fg)}

/* how-to */
.how{background:var(--card);border:1px solid var(--line2);border-radius:var(--rs);margin:0 0 14px;font-size:15px}
.how summary{font-weight:700;min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;padding:0 14px;list-style:none;color:var(--accent)}
.how summary::-webkit-details-marker{display:none}
.how summary::after{content:"";width:8px;height:8px;border-right:2.5px solid currentColor;border-bottom:2.5px solid currentColor;transform:rotate(45deg);margin:-4px 4px 0 0;transition:transform .15s}
.how[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.how p{margin:0;padding:0 14px 14px;color:var(--muted)}

/* result cards */
.cards{display:grid;gap:14px}
.card{background:var(--card);border:1px solid var(--line2);border-radius:var(--r);padding:16px;box-shadow:var(--shadow)}
.card .head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card .code{display:inline-block;font-family:var(--mono);font-size:30px;line-height:1.1;font-weight:800;letter-spacing:.5px;padding:8px 14px;
  border-radius:var(--rs);background:var(--codeBg);color:var(--codeFg);font-variant-numeric:tabular-nums;max-width:100%;overflow-wrap:anywhere}
.card .code.long{font-size:21px;line-height:1.25;letter-spacing:0;max-width:100%;overflow-wrap:anywhere}
.card .fam{color:var(--muted);font-size:14px;margin:10px 0 12px;font-weight:600}
.card dl{margin:0;display:grid;gap:12px}
.card dt{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.7px;color:var(--faint);margin:0 0 2px}
.card dd{margin:0}
.card .f-meaning dd{font-size:21px;font-weight:800;line-height:1.3;letter-spacing:-.1px}
.card .f-cause dd{font-size:17px}
.card .f-check{background:var(--fixBg);border-left:4px solid var(--fixLine);border-radius:var(--rs);padding:10px 12px}
.card .f-check dt{color:var(--accent)}
.card .f-check dd{font-weight:600}
.card .src{display:flex;gap:6px;font-size:12.5px;line-height:1.4;color:var(--faint);border-top:1px solid var(--line2);padding-top:10px;margin-top:14px}
.card .src::before{content:"";flex:none;width:14px;height:14px;margin-top:1px;background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 2h9l5 5v15H6V2zm2 2v16h10V8h-4V4H8z'/%3E%3C/svg%3E") center/contain no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 2h9l5 5v15H6V2zm2 2v16h10V8h-4V4H8z'/%3E%3C/svg%3E") center/contain no-repeat}
.card .actions{margin:12px 0 0}
.card .actions .btn{min-height:48px;font-size:15px}
.ctx{display:inline-block;font-size:12.5px;font-weight:700;line-height:1.35;padding:3px 9px;margin:6px 0 2px;border-radius:8px;background:color-mix(in srgb,var(--accent) 10%,var(--card));color:var(--muted);overflow-wrap:anywhere}
.item .ctx{margin:6px 0 0}
.tag{display:inline-block;font-size:12px;font-weight:800;padding:3px 9px;border-radius:999px;background:var(--mine);color:var(--mineFg);vertical-align:middle;letter-spacing:.2px}

/* lists */
.list{display:grid;gap:8px}
.item{display:block;width:100%;text-align:left;background:var(--card);border:1px solid var(--line2);border-radius:var(--r);padding:12px 14px;
  font:inherit;color:inherit;min-height:56px;cursor:pointer;box-shadow:var(--shadow)}
button.item:active,a.item:active{background:color-mix(in srgb,var(--accent) 8%,var(--card))}
.item .l1{display:flex;gap:12px;align-items:flex-start}
.item .c{flex:none;max-width:45%;min-width:52px;text-align:center;font-family:var(--mono);font-weight:800;font-size:16px;line-height:1.3;padding:3px 8px;border-radius:8px;
  background:color-mix(in srgb,var(--accent) 13%,var(--card));color:var(--fg);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.item .m{font-weight:700;line-height:1.35;padding-top:2px;flex:1;min-width:0}
.item .tag{margin-top:3px}
.item .l2{color:var(--muted);font-size:14px;line-height:1.4;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item .l3{color:var(--faint);font-size:12.5px;margin-top:4px}
a.item{text-decoration:none}
a.item .m{color:var(--accent)}
.form h2{margin-top:0;text-transform:none;letter-spacing:0;font-size:20px;color:var(--fg)}

/* bottom tabs */
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:6;display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);
  border-top:1px solid var(--line);padding:4px 6px env(safe-area-inset-bottom);box-shadow:0 -2px 12px rgba(0,0,0,.06)}
.tabs button{min-height:64px;border:0;background:none;color:var(--muted);font:inherit;font-size:12.5px;font-weight:700;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer}
.tabs svg{width:24px;height:24px;fill:currentColor;box-sizing:content-box;padding:4px 18px;border-radius:999px}
.tabs button[aria-current=page]{color:var(--accent)}
.tabs button[aria-current=page] svg{background:color-mix(in srgb,var(--accent) 15%,transparent)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* update banner + toast (v1.3.0) */
.upd,.toast{position:fixed;left:12px;right:12px;bottom:calc(84px + env(safe-area-inset-bottom));z-index:7;max-width:616px;margin:0 auto;
  background:var(--head);color:var(--headFg);border-radius:var(--r);box-shadow:0 6px 24px rgba(0,0,0,.28);font-size:15px;line-height:1.35}
.upd{display:flex;align-items:center;gap:12px;padding:10px 10px 10px 16px;border-left:5px solid var(--amber);cursor:pointer}
.upd-t{flex:1}
.upd-b{flex:none;min-height:44px;padding:0 18px;border:0;border-radius:var(--rs);background:var(--amber);color:var(--amberFg);font:inherit;font-weight:800;cursor:pointer}
.toast{padding:12px 16px;text-align:center;font-weight:700;border-left:5px solid var(--amber)}
@media (prefers-color-scheme:dark){.upd,.toast{background:#1d3a52;border:1px solid var(--line)}}