/* KCV PHONE SHOP — styles. Colours are tokens at the top; dark mode redefines them. */
:root{
  --bg:#f3f5fb; --card:#ffffff; --ink:#0f172a; --sub:#64748b; --line:#e3e8f2; --soft:#f6f8fc;
  --brand:#6d28d9; --brand2:#2563eb; --brand3:#06b6d4; --ok:#16a34a; --warn:#d97706; --bad:#dc2626;
  --shadow:0 10px 30px rgba(15,23,42,.07); --radius:20px;
  --hero:linear-gradient(125deg,#1e1b4b 0%,#5b21b6 45%,#2563eb 80%,#06b6d4 100%);
}
html[data-theme="dark"]{
  --bg:#0b1020; --card:#121a2f; --ink:#e7ecf7; --sub:#94a3b8; --line:#22304d; --soft:#0f1729;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:"Kantumruy Pro","Noto Sans Khmer",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;-webkit-tap-highlight-color:transparent}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
.hidden{display:none!important}
a{color:var(--brand2)}

/* ---------- login ---------- */
.login{min-height:100%;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 600px at 10% 10%,#7c3aed55,transparent 60%),radial-gradient(900px 500px at 90% 90%,#06b6d455,transparent 60%),#0b1020}
.login-card{width:min(420px,100%);padding:34px 28px;border-radius:28px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 30px 80px rgba(0,0,0,.45);color:#fff}
.login-logo{width:86px;height:86px;margin:0 auto 14px;display:block;border-radius:24px;box-shadow:0 12px 30px rgba(109,40,217,.5)}
.login h1{margin:0;text-align:center;font-size:24px;font-weight:900;letter-spacing:.5px}
.login p{margin:6px 0 22px;text-align:center;color:#cbd5e1;font-size:14px}
.login label{display:block;margin:12px 0 6px;font-size:13px;font-weight:800;color:#e2e8f0}
.login input{width:100%;height:50px;padding:0 16px;border-radius:14px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);color:#fff;font-size:16px;outline:none}
.login input:focus{border-color:#a78bfa;box-shadow:0 0 0 3px rgba(167,139,250,.3)}
.pw{position:relative}.pw input{padding-right:52px}
.pw button{position:absolute;right:6px;top:6px;width:40px;height:38px;border:0;border-radius:10px;background:transparent;color:#cbd5e1;display:grid;place-items:center}
.login .btn{width:100%;margin-top:20px;height:52px;font-size:16px}
.login-err{min-height:22px;margin-top:10px;text-align:center;color:#fca5a5;font-weight:700;font-size:14px}

/* ---------- shell ---------- */
.shell{display:flex;min-height:100%}
.rail{position:sticky;top:0;height:100vh;width:92px;flex:none;display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 8px;background:var(--card);border-right:1px solid var(--line)}
.rail .logo{width:54px;height:54px;border-radius:16px;margin-bottom:10px}
.rail button{width:76px;padding:9px 4px;border:0;border-radius:16px;background:transparent;color:var(--sub);display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;font-weight:800}
.rail button svg{width:24px;height:24px}
.rail button:hover{background:var(--soft);color:var(--ink)}
.rail button.on{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 20px rgba(109,40,217,.35)}
.rail .sp{flex:1}
.main{flex:1;min-width:0;padding:0 22px 40px}
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;margin:0 -22px 18px;padding:12px 22px;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top h2{margin:0;font-size:20px;font-weight:900;white-space:nowrap}
.top .sp{flex:1}
.search{flex:0 1 380px;display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--sub)}
.search input{flex:1;border:0;outline:none;background:transparent;min-width:0}
.icon-btn{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;color:var(--ink)}
.icon-btn svg{width:20px;height:20px}
.user{display:flex;align-items:center;gap:10px;font-weight:800}
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:900;background:linear-gradient(135deg,var(--brand),var(--brand3))}
.tabs{display:none}

/* ---------- building blocks ---------- */
.hero{position:relative;overflow:hidden;border-radius:26px;padding:24px 26px;color:#fff;background:var(--hero);box-shadow:0 18px 40px rgba(76,29,149,.3);margin-bottom:18px}
.hero:before{content:"";position:absolute;right:-80px;top:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%)}
.hero .row{position:relative;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hero .logo{width:76px;height:76px;border-radius:22px;background:#fff;padding:4px;box-shadow:0 10px 24px rgba(0,0,0,.25)}
.hero small{display:block;opacity:.85;font-weight:700}
.hero h1{margin:2px 0 0;font-size:28px;font-weight:950;letter-spacing:.3px}
.hero h1 b{color:#fde68a}
.hero .clock{display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);font-weight:800}
.hero .actions{margin-left:auto;display:grid;grid-template-columns:repeat(2,minmax(150px,1fr));gap:10px}
.hero .actions button{display:flex;align-items:center;gap:8px;height:46px;padding:0 16px;border:0;border-radius:14px;background:#fff;color:#1e1b4b;font-weight:900;box-shadow:0 6px 16px rgba(0,0,0,.18)}
.hero .actions button.hot{background:#fbbf24}
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:16px}
.kpi{position:relative;overflow:hidden;padding:18px;border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);border-top:4px solid var(--c,var(--brand))}
.kpi .ki{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--c,var(--brand)) 14%,transparent);color:var(--c,var(--brand));margin-bottom:10px}
.kpi .ki svg{width:22px;height:22px}
.kpi span{display:block;color:var(--sub);font-weight:800;font-size:13.5px}
.kpi b{display:block;font-size:26px;font-weight:950;margin-top:2px;color:var(--c,var(--ink))}
.kpi small{display:block;color:var(--sub);font-weight:700;margin-top:4px}
.kpi small .chip{display:inline-flex;color:inherit}
.kpi small .chip.up{color:#166534}.kpi small .chip.down{color:#991b1b}
.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:900;background:var(--soft);color:var(--sub)}
.chip.up{background:#dcfce7;color:#166534}.chip.down{background:#fee2e2;color:#991b1b}
.card{padding:18px;border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);min-width:0}
.card h3{margin:0 0 12px;font-size:16.5px;font-weight:900;display:flex;align-items:center;gap:8px}
.card h3 .sp{flex:1}
.cols-2{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.row-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line)}
.row-item:last-child{border-bottom:0}
.row-item .grow{flex:1;min-width:0}
.row-item .t{font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-item .s{font-size:12.5px;color:var(--sub);font-weight:600}
.row-item b{white-space:nowrap}
.empty{padding:22px;text-align:center;color:var(--sub);font-weight:700}
.bars{display:flex;align-items:flex-end;gap:6px;height:170px;padding-top:20px}
.bars div{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;min-width:0}
.bars i{display:block;width:100%;max-width:30px;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,var(--brand2),var(--brand));min-height:3px}
.bars i.z{background:var(--line)}
.bars em{font-style:normal;font-size:10.5px;font-weight:900;color:var(--brand)}
.bars small{font-size:10.5px;color:var(--sub);font-weight:700;margin-top:4px}

/* buttons / forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border:0;border-radius:14px;font-weight:900;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 8px 18px rgba(79,70,229,.28)}
.btn.green{background:linear-gradient(135deg,#16a34a,#059669);box-shadow:0 8px 18px rgba(22,163,74,.28)}
.btn.ghost{background:var(--soft);color:var(--ink);box-shadow:none;border:1px solid var(--line)}
.btn.red{background:#fee2e2;color:#b91c1c;box-shadow:none}
.btn.sm{height:36px;padding:0 12px;border-radius:11px;font-size:13.5px}
.btn:disabled{opacity:.6;cursor:wait}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:13px;font-weight:800;color:var(--sub)}
.field input,.field select,.field textarea{height:46px;padding:0 14px;border-radius:13px;border:1.5px solid var(--line);background:var(--card);outline:none;font-size:15.5px;min-width:0}
.field textarea{height:84px;padding:10px 14px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand2);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand2) 22%,transparent)}
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.form .full{grid-column:1/-1}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{flex:1 1 auto;min-height:40px;padding:0 12px;border-radius:12px;border:1.5px solid var(--line);background:var(--soft);font-weight:800}
.seg button.on{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 12%,var(--card));color:var(--brand)}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.toolbar .sp{flex:1}

/* tables */
.table-wrap{overflow:auto;border-radius:16px;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;background:var(--card)}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;font-size:14px}
th{position:sticky;top:0;background:var(--soft);color:var(--sub);font-size:12.5px;font-weight:900}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right}
tr.click{cursor:pointer}tr.click:hover td{background:var(--soft)}
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:900;background:var(--soft);color:var(--sub)}
.badge.low{background:#fee2e2;color:#b91c1c}.badge.ok{background:#dcfce7;color:#166534}
.st-received{background:#e0e7ff;color:#3730a3}.st-repairing{background:#fef3c7;color:#92400e}.st-waiting_parts{background:#ffedd5;color:#9a3412}
.st-done{background:#dcfce7;color:#166534}.st-delivered{background:#e2e8f0;color:#334155}.st-cancelled{background:#fee2e2;color:#991b1b}

/* POS */
.pos{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,1fr);gap:16px;align-items:start}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}
.pcard{display:flex;flex-direction:column;gap:6px;padding:14px;border-radius:18px;border:1.5px solid var(--line);background:var(--card);text-align:left;transition:transform .12s,border-color .12s}
.pcard:hover{border-color:var(--brand2);transform:translateY(-2px)}
.pcard .pi{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand)}
.pcard .pi svg{width:22px;height:22px}
.pcard .t{font-weight:900;line-height:1.35}
.pcard .s{font-size:12.5px;color:var(--sub);font-weight:700}
.pcard b{color:var(--brand2);font-size:17px}
.pcard[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.cart{position:sticky;top:84px}
.cart-line{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 10px;padding:10px 0;border-bottom:1px dashed var(--line)}
.cart-line .t{font-weight:800}
.cart-line .q{display:flex;align-items:center;gap:6px}
.cart-line .q button{width:30px;height:30px;border-radius:9px;border:1px solid var(--line);background:var(--soft);font-weight:900}
.cart-line input{width:90px;height:32px;border-radius:9px;border:1px solid var(--line);padding:0 8px;text-align:right;background:var(--card)}
.cart-line input.imei{width:100%;text-align:left}
.total{display:flex;justify-content:space-between;align-items:baseline;margin:14px 0 6px;font-weight:900}
.total b{font-size:28px;color:var(--ok)}
.total small{color:var(--sub);font-weight:700}

/* modal / toast */
.modal-bg{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px;background:rgba(15,23,42,.55);backdrop-filter:blur(4px)}
.modal{width:min(640px,100%);max-height:calc(100vh - 32px);overflow:auto;border-radius:24px;background:var(--card);box-shadow:0 30px 80px rgba(0,0,0,.35)}
.modal-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:10px;padding:16px 18px;background:var(--card);border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;flex:1;font-size:17px;font-weight:900}
.modal-body{padding:18px}
.modal-foot{display:flex;gap:10px;justify-content:flex-end;padding:14px 18px;border-top:1px solid var(--line);position:sticky;bottom:0;background:var(--card)}
.toasts{position:fixed;right:18px;bottom:18px;z-index:200;display:grid;gap:8px;max-width:min(420px,calc(100vw - 32px))}
.toast{padding:12px 16px;border-radius:14px;background:#0f172a;color:#fff;font-weight:800;box-shadow:0 12px 30px rgba(0,0,0,.3);animation:tin .2s ease-out}
.toast.ok{background:#14532d}.toast.err{background:#7f1d1d}
@keyframes tin{from{transform:translateY(10px);opacity:0}}

/* receipt (print) */
#receipt{display:none}
@media print{
  body *{visibility:hidden}
  #receipt,#receipt *{visibility:visible}
  #receipt{display:block;position:absolute;left:0;top:0;width:72mm;padding:2mm;color:#000;font-size:11.5px}
  #receipt h2{margin:0;text-align:center;font-size:16px}
  #receipt .c{text-align:center}
  #receipt table{background:#fff}#receipt td,#receipt th{padding:3px 0;font-size:11px;border-bottom:1px dashed #999;white-space:normal}
  @page{size:80mm auto;margin:0}
}

/* ---------- design pass 2: calmer cards, icon headers, empty states, onboarding ---------- */
#page{max-width:1480px;margin:0 auto}
.hero{padding:26px 28px 24px}
.hero .pills{position:relative;display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hero .pills span{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);font-size:13px;font-weight:800}
.hero .pills b{color:#fde68a}
.hero .phone-art{position:absolute;right:-30px;bottom:-60px;width:220px;opacity:.12;transform:rotate(-14deg);pointer-events:none}
.kpi{border-top:0;padding:18px 18px 16px;background:linear-gradient(140deg,color-mix(in srgb,var(--c,var(--brand)) 10%,var(--card)) 0%,var(--card) 58%);border:1px solid color-mix(in srgb,var(--c,var(--brand)) 16%,var(--line));transition:transform .15s,box-shadow .15s}
.kpi:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(15,23,42,.1)}
.kpi .ki{position:absolute;right:16px;top:16px;margin:0;width:44px;height:44px;border-radius:14px;background:var(--c,var(--brand));color:#fff;box-shadow:0 8px 18px color-mix(in srgb,var(--c,var(--brand)) 35%,transparent)}
.kpi span{padding-right:56px}
.kpi b{font-size:28px;margin-top:8px;letter-spacing:-.3px}
.card{border:1px solid var(--line);box-shadow:0 4px 18px rgba(15,23,42,.05)}
.card h3 .hi{width:34px;height:34px;flex:none;border-radius:11px;display:grid;place-items:center;background:color-mix(in srgb,var(--c,var(--brand)) 13%,transparent);color:var(--c,var(--brand))}
.card h3 .hi svg{width:18px;height:18px}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;padding:26px 12px;text-align:center;color:var(--sub)}
.empty-state .ei{width:62px;height:62px;border-radius:20px;display:grid;place-items:center;background:color-mix(in srgb,var(--c,var(--brand)) 10%,var(--soft));color:var(--c,var(--brand))}
.empty-state .ei svg{width:30px;height:30px}
.empty-state b{color:var(--ink);font-size:15px}
.empty-state small{font-weight:600;max-width:280px}
.empty-state .btn{margin-top:6px}
.start{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;margin-bottom:16px;padding:20px 22px;border-radius:var(--radius);background:linear-gradient(120deg,color-mix(in srgb,#f59e0b 14%,var(--card)),var(--card) 60%);border:1px solid color-mix(in srgb,#f59e0b 30%,var(--line))}
.start .big{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:#f59e0b;color:#fff;font-size:26px;box-shadow:0 10px 24px rgba(245,158,11,.35)}
.start h3{margin:0 0 4px;font-size:17px;font-weight:900}
.start p{margin:0;color:var(--sub);font-weight:600}
.steps{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.steps button{display:flex;align-items:center;gap:12px;padding:14px;border-radius:16px;border:1.5px solid var(--line);background:var(--card);text-align:left;font-weight:800}
.steps button:hover{border-color:var(--brand2)}
.steps button i{font-style:normal;width:34px;height:34px;flex:none;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:900}
.steps button.done i{background:#16a34a}
.steps button small{display:block;color:var(--sub);font-weight:600;font-size:12.5px}
.chart{position:relative;height:200px;padding:8px 0 0 38px}
.chart .gl{position:absolute;left:38px;right:0;border-top:1px dashed var(--line);font-size:10.5px;color:var(--sub);font-weight:700}
.chart .gl span{position:absolute;left:-38px;top:-8px;width:32px;text-align:right}
.chart .bars{position:relative;height:100%;padding-top:0;gap:8px}
.chart .bars div{position:relative}
.chart .bars i{max-width:34px;border-radius:9px 9px 4px 4px;transition:height .4s}
.chart .bars div:hover i{filter:brightness(1.15)}
.chart .bars div.today i{background:linear-gradient(180deg,#f59e0b,#ef4444)}
.chart .zero{position:absolute;inset:0 0 24px 38px;display:grid;place-items:center;color:var(--sub);font-weight:700}
.row-item.click{cursor:pointer;border-radius:12px;padding-left:6px;padding-right:6px;margin:0 -6px}
.row-item.click:hover{background:var(--soft)}

/* ---------- phone ---------- */
@media (max-width:860px){
  .rail{display:none}
  .main{padding:0 14px 96px}
  .top{margin:0 -14px 14px;padding:10px 14px}
  .top .search{display:none}
  .top .user span{display:none}
  .hero{padding:18px;border-radius:22px}
  .hero h1{font-size:21px}
  .hero .logo{width:58px;height:58px;border-radius:18px}
  .hero .actions{margin-left:0;width:100%;grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .kpi{padding:14px}.kpi b{font-size:20px}
  .cols-2,.cols-3,.pos{grid-template-columns:minmax(0,1fr)}
  .cart{position:static}
  .form{grid-template-columns:minmax(0,1fr)}
  .pgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tabs{position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:50;display:flex;justify-content:space-around;padding:8px;border-radius:22px;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 12px 30px rgba(15,23,42,.18);border:1px solid var(--line)}
  .tabs button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 2px;border:0;border-radius:14px;background:transparent;color:var(--sub);font-size:11.5px;font-weight:800}
  .tabs button svg{width:22px;height:22px}
  .tabs button.on{color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,transparent)}
  .modal-bg{align-items:end;padding:0}
  .modal{width:100%;max-height:92vh;border-radius:24px 24px 0 0}
  .toasts{left:14px;right:14px;bottom:96px}
  th,td{padding:10px}
}
@media (max-width:860px){
  .steps{grid-template-columns:minmax(0,1fr)}
  .start{grid-template-columns:minmax(0,1fr)}
  .start .big{display:none}
  .hero .phone-art{display:none}
  .kpi b{font-size:21px}
  .kpi .ki{width:36px;height:36px;right:12px;top:12px;border-radius:12px}
  .kpi .ki svg{width:18px;height:18px}
  .kpi span{padding-right:42px}
}