/* EP-EZMIX — tinting-shop formula book: filter bar, colour list on the left, mixing card on the right; stacks on phones. */
:root{
  --bg:#eef1f4; --panel:#ffffff; --ink:#151a22; --muted:#5d6674; --line:#d5dbe3; --soft:#e3e8ee;
  --accent:#1d4ed8; --accent-ink:#ffffff; --accent-soft:#dbe5ff; --ok:#15803d; --dotline:rgba(0,0,0,.28);
  --display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0f1319; --panel:#171c24; --ink:#e7ebf1; --muted:#9aa4b2; --line:#2b333f; --soft:#212833;
  --accent:#7aa2ff; --accent-ink:#0b1020; --accent-soft:#1f2b4a; --ok:#4ade80; --dotline:rgba(255,255,255,.45); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0f1319; --panel:#171c24; --ink:#e7ebf1; --muted:#9aa4b2; --line:#2b333f; --soft:#212833;
  --accent:#7aa2ff; --accent-ink:#0b1020; --accent-soft:#1f2b4a; --ok:#4ade80; --dotline:rgba(255,255,255,.45); color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:15px/1.5 var(--body);margin:0}
[hidden]{display:none!important}
button,input,select{font-family:inherit}
.wrap{max-width:1240px;margin:0 auto;padding-inline:16px;padding-block:20px 48px;display:flex;flex-direction:column;gap:18px}

/* Header */
.top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;border-bottom:3px solid var(--ink);padding-bottom:12px}
.brand{display:flex;gap:14px;align-items:flex-end}
.logo{width:52px;height:52px;border-radius:8px;background:var(--ink);position:relative;flex:none;overflow:hidden}
.logo span{position:absolute;inset:6px 0 auto;text-align:center;font:800 24px/1 var(--display);color:var(--bg)}
.logo::after{content:"";position:absolute;left:6px;right:6px;bottom:6px;height:10px;background:linear-gradient(90deg,#1d4ed8 0 33%,#d7262b 33% 66%,#f3dc22 66%);border-radius:2px}
.brand small{display:block;font:600 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
h1{font:800 clamp(38px,6vw,56px)/.88 var(--display);margin:0;letter-spacing:.02em}
.top-right{display:flex;gap:14px;align-items:center}
.stats{font:500 12px/1.4 var(--mono);color:var(--muted);text-align:right}
.stats b{color:var(--ink);font-weight:600}
.iconbtn{width:40px;height:40px;border-radius:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink);display:grid;place-items:center;cursor:pointer}

/* Controls */
.controls{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center}
.search{flex:1 1 280px;position:relative}
.search input{width:100%;font:500 17px/1 var(--mono);padding:13px 14px 13px 40px;border:2px solid var(--ink);border-radius:6px;background:var(--panel);color:var(--ink)}
.search input:focus{outline:3px solid var(--accent-soft);border-color:var(--accent)}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted)}
.group{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.group>span{font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-right:4px}
.chip{font:600 13px/1 var(--mono);padding:8px 10px;border-radius:4px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chip:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,.row:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
select{font:500 13px/1 var(--body);padding:8px 10px;border-radius:4px;border:1px solid var(--line);background:var(--panel);color:var(--ink)}

/* Layout */
.main{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:18px;align-items:start}
.side{display:flex;flex-direction:column;gap:18px;min-width:0}
@media (max-width:820px){.main{grid-template-columns:minmax(0,1fr)}}

/* List */
.list{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden;position:sticky;top:12px}
@media (max-width:820px){.list{position:static}}
.list-head{display:flex;justify-content:space-between;padding:10px 14px;font:600 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line)}
.rows{max-height:calc(100vh - 80px);min-height:300px;overflow-y:auto}
@media (max-width:820px){.rows{max-height:340px;min-height:0}}
.row{display:grid;grid-template-columns:1fr auto;gap:4px 10px;padding:10px 14px;border-bottom:1px solid var(--soft);cursor:pointer}
.row:hover{background:var(--soft)}
.row.sel{background:var(--accent-soft)}
.row .code{font:600 15px/1.2 var(--mono)}
.row .dots{display:flex;gap:3px;align-items:center;justify-content:flex-end}
.row .grades{grid-column:1/-1;display:flex;gap:4px}
.g{font:600 11px/1 var(--mono);padding:4px 6px;border-radius:3px;border:1px solid var(--line);color:var(--muted);background:transparent;cursor:pointer}
.g.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.dot{width:11px;height:11px;border-radius:50%;border:1px solid var(--dotline);display:inline-block;flex:none}
.empty{padding:28px 14px;color:var(--muted)}

/* Card */
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:20px;display:flex;flex-direction:column;gap:18px;min-width:0}
.card-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:flex-start}
.eyebrow{font:600 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.big{font:800 clamp(40px,7vw,64px)/.95 var(--display);margin:6px 0 0;letter-spacing:.01em}
.meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px;font:500 13px/1.3 var(--mono);color:var(--muted)}
.meta b{color:var(--ink)}
.tabs{display:flex;gap:6px}
.tabs button{font:700 14px/1 var(--mono);padding:10px 14px;border-radius:4px;border:2px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer}
.tabs button.on{background:var(--ink);color:var(--bg)}
.tabs button:disabled{opacity:.3;cursor:not-allowed}
.bar{display:flex;height:14px;border-radius:3px;overflow:hidden;border:1px solid var(--line)}
.bar i{display:block;height:100%}
.batch{display:flex;flex-wrap:wrap;gap:10px;align-items:center;background:var(--soft);padding:12px;border-radius:6px}
.batch label{font:600 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.batch input{width:110px;font:600 18px/1 var(--mono);padding:8px 10px;border:2px solid var(--ink);border-radius:4px;background:var(--panel);color:var(--ink)}
.batch .unit{font:600 14px/1 var(--mono)}
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;min-width:520px}
th{font:600 11px/1.2 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);text-align:left;padding:8px;border-bottom:2px solid var(--ink)}
th.n,td.n{text-align:right}
td{padding:10px 8px;border-bottom:1px solid var(--soft);vertical-align:middle}
td.n{font:500 15px/1.2 var(--mono)}
td.g-amt{font-weight:600;font-size:17px}
td .nm{display:flex;gap:10px;align-items:center}
td .nm small{display:block;font:500 11px/1.2 var(--mono);color:var(--muted)}
td .nm .dot{width:16px;height:16px}
tr.done td{opacity:.42}
tr.done td .nm span{text-decoration:line-through}
tfoot td{border-bottom:none;border-top:2px solid var(--ink);font-weight:600}
input[type=checkbox]{width:20px;height:20px;accent-color:var(--ok)}
.actions{display:flex;flex-wrap:wrap;gap:8px}
.btn{font:600 14px/1 var(--body);padding:12px 16px;border-radius:5px;border:2px solid var(--ink);background:var(--panel);color:var(--ink);cursor:pointer;display:inline-flex;gap:8px;align-items:center}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.note{font-size:13px;color:var(--muted);margin:0}

/* Queue */
.queue{background:var(--panel);border:1px dashed var(--ink);border-radius:8px;padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.queue h2{font:800 22px/1 var(--display);text-transform:uppercase;margin:0;letter-spacing:.02em}
.qitems{display:flex;flex-wrap:wrap;gap:6px}
.qitem{font:600 13px/1 var(--mono);padding:7px 8px 7px 10px;border-radius:4px;background:var(--soft);display:inline-flex;gap:8px;align-items:center}
.qitem button{border:none;background:transparent;color:var(--muted);cursor:pointer;font:600 15px/1 var(--mono);padding:0 2px}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:6px;font:500 14px/1.3 var(--body);max-width:calc(100% - 32px);z-index:10}
footer{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:14px;color:var(--muted);font-size:13px}
@media (prefers-reduced-motion:no-preference){.row,.chip,.btn{transition:background .12s,color .12s}}

/* ---------- Print: only the mixing sheets in #printArea ---------- */
#printArea{display:none}
@page{size:A4;margin:14mm}
@media print{
  :root{color-scheme:light}
  body{background:#fff;color:#151a22}
  #app,.toast{display:none!important}
  #printArea{display:block}
  .sheet{page-break-after:always;break-after:page;font-family:var(--body);color:#151a22}
  .sheet:last-child{page-break-after:auto;break-after:auto}
  .sheet *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .s-band{display:flex;justify-content:space-between;background:#151a22;color:#fff;font:600 9pt/1 var(--mono);letter-spacing:.14em;padding:6px 10px;text-transform:uppercase}
  .s-head{display:flex;justify-content:space-between;align-items:flex-end;border-bottom:2px solid #151a22;padding:14px 0 10px}
  .s-code{font:800 40pt/.9 var(--display);margin:0}
  .s-meta{text-align:right;font:500 12pt/1.5 var(--mono)}
  .s-batch{display:flex;justify-content:space-between;font-size:10.5pt;margin:12px 0 6px}
  .s-batch b{font-size:12pt}
  .s-bar{display:flex;height:5mm;border:1px solid #bbb;margin-bottom:8mm}
  .s-bar i{display:block;height:100%}
  .s-table{width:100%;border-collapse:collapse;min-width:0}
  .s-table th{font:600 8pt/1 var(--mono);color:#5d6674;border-bottom:2px solid #151a22;padding:6px 6px;text-align:left;letter-spacing:.1em}
  .s-table td{padding:9px 6px;border-bottom:1px solid #ddd;font-size:12pt;vertical-align:middle}
  .s-table .n{text-align:right;font-family:var(--mono)}
  .s-table .gr{font-weight:700;font-size:14pt}
  .s-table small{display:block;font:500 8pt/1.2 var(--mono);color:#5d6674}
  .s-table tfoot td{border-top:2px solid #151a22;border-bottom:none;font-weight:700}
  .box{display:inline-block;width:5mm;height:5mm;border:1.2px solid #151a22}
  .sw{display:inline-block;width:5mm;height:5mm;border:1px solid #999;vertical-align:middle}
  .s-sign{display:grid;grid-template-columns:repeat(3,1fr);gap:8mm;margin-top:14mm;font-size:10pt}
  .s-sign div{border-bottom:1px solid #151a22;padding-bottom:9mm}
  .s-notes{margin-top:8mm;font-size:10pt}
  .s-notes div{border-bottom:1px solid #151a22;height:9mm}
  .s-foot{display:flex;justify-content:space-between;margin-top:8mm;font:500 8pt/1 var(--mono);color:#5d6674}
}