/* ============================================================
   Gong Cha WebOrder Prototype — Shared Styles
   Brand: Gong Cha Việt Nam
   ============================================================ */
:root{
  --gc-red:#A6192E;        /* Gong Cha signature red */
  --gc-red-dark:#7E1222;
  --gc-red-soft:#FBE9EC;
  --gc-gold:#C8A24B;       /* gold accent */
  --gc-gold-soft:#F7EFD9;
  --gc-cream:#FBF7F0;      /* cream background */
  --gc-ink:#231815;        /* near-black text */
  --gc-gray:#6B6259;
  --gc-line:#ECE6DC;
  --gc-green:#1E8E57;
  --gc-white:#ffffff;
  --shadow-sm:0 1px 3px rgba(35,24,21,.08);
  --shadow-md:0 6px 24px rgba(35,24,21,.12);
  --shadow-lg:0 18px 50px rgba(35,24,21,.18);
  --radius:16px;
  --phone-w:390px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--gc-ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, #fff 0%, transparent 60%),
    linear-gradient(135deg,#f4ede2 0%,#efe4d4 100%);
  -webkit-font-smoothing:antialiased;
}

/* ---------- Split layout: left = phone, right = narrative ---------- */
.layout{
  display:grid;
  grid-template-columns: 1fr 1fr;
  min-height:100vh;
}
.pane-left{
  display:flex;flex-direction:column;align-items:center;justify-content:flex-start;
  padding:40px 24px 64px;
  position:relative;
}
.pane-right{
  background:var(--gc-white);
  border-left:1px solid var(--gc-line);
  padding:48px 56px 80px;
  overflow-y:auto;
  max-height:100vh;
}

/* Step ribbon above phone */
.flow-rail{
  display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:center;
  margin-bottom:22px;max-width:var(--phone-w);
}
.flow-rail .node{
  font-size:11px;font-weight:700;letter-spacing:.2px;
  padding:6px 11px;border-radius:999px;background:#fff;color:var(--gc-gray);
  border:1px solid var(--gc-line);white-space:nowrap;box-shadow:var(--shadow-sm);
}
.flow-rail .node.active{background:var(--gc-red);color:#fff;border-color:var(--gc-red)}
.flow-rail .node.done{background:var(--gc-gold-soft);color:var(--gc-red);border-color:var(--gc-gold)}
.flow-rail .sep{color:#cbbfa9;font-size:11px}

/* ---------- Phone frame ---------- */
.phone{
  width:var(--phone-w);max-width:100%;
  height:780px;
  background:var(--gc-white);
  border-radius:42px;
  border:11px solid #1b1b1f;
  box-shadow:var(--shadow-lg);
  position:relative;overflow:hidden;display:flex;flex-direction:column;
}
.phone .notch{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:150px;height:26px;background:#1b1b1f;border-radius:0 0 18px 18px;z-index:40;
}
.statusbar{
  height:40px;flex:0 0 40px;display:flex;align-items:flex-end;justify-content:space-between;
  padding:0 22px 6px;font-size:12px;font-weight:600;color:var(--gc-ink);z-index:30;
}
.statusbar .right{display:flex;gap:5px;align-items:center}

/* App header inside phone */
.appbar{
  flex:0 0 auto;background:var(--gc-red);color:#fff;
  padding:10px 16px 14px;display:flex;align-items:center;gap:10px;
  box-shadow:0 4px 14px rgba(126,18,34,.25);z-index:20;
}
.appbar .back{
  width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;
  font-size:18px;border:none;cursor:pointer;
}
.appbar .title{font-size:16px;font-weight:800;letter-spacing:.3px;line-height:1.1}
.appbar .sub{font-size:11px;opacity:.85;font-weight:500}
.appbar .logo-badge{
  width:34px;height:34px;border-radius:50%;background:#fff;color:var(--gc-red);
  font-weight:900;font-size:14px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 6px rgba(0,0,0,.2);
}
.appbar .grow{flex:1}

/* Scroll body */
.screen{flex:1;overflow-y:auto;background:var(--gc-cream);position:relative}
.screen::-webkit-scrollbar{width:0}
.pad{padding:14px 16px}

/* Bottom action bar */
.actionbar{
  flex:0 0 auto;background:#fff;border-top:1px solid var(--gc-line);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  display:flex;gap:12px;align-items:center;z-index:20;
}

/* ---------- Buttons & chips ---------- */
.btn{
  appearance:none;border:none;cursor:pointer;font-family:inherit;font-weight:800;
  border-radius:14px;padding:14px 18px;font-size:15px;text-decoration:none;text-align:center;
  transition:transform .08s ease, box-shadow .15s ease, background .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--gc-red);color:#fff;box-shadow:0 6px 16px rgba(166,25,46,.3);flex:1;display:block}
.btn-primary:hover{background:var(--gc-red-dark)}
.btn-ghost{background:#fff;color:var(--gc-red);border:1.5px solid var(--gc-red)}
.btn-gold{background:var(--gc-gold);color:#fff}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.chip{
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  padding:8px 14px;border-radius:999px;background:#fff;border:1.5px solid var(--gc-line);
  font-size:13px;font-weight:700;color:var(--gc-gray);white-space:nowrap;transition:.12s;
}
.chip.active{background:var(--gc-red);color:#fff;border-color:var(--gc-red)}
.chip.sm{padding:6px 12px;font-size:12px}

/* Category tabs */
.cat-tabs{display:flex;gap:8px;overflow-x:auto;padding:10px 16px;background:#fff;
  border-bottom:1px solid var(--gc-line);position:sticky;top:0;z-index:10}
.cat-tabs::-webkit-scrollbar{height:0}

/* Search */
.searchbar{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--gc-line);
  border-radius:12px;padding:10px 12px;margin:12px 16px 4px;box-shadow:var(--shadow-sm)}
.searchbar input{border:none;outline:none;font-size:14px;flex:1;font-family:inherit;color:var(--gc-ink)}

/* Product card (menu list) */
.prod{display:flex;gap:12px;background:#fff;border:1px solid var(--gc-line);border-radius:16px;
  padding:12px;box-shadow:var(--shadow-sm);cursor:pointer;transition:.12s;position:relative}
.prod:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}
.prod .thumb{width:78px;height:78px;border-radius:13px;flex:0 0 78px;display:flex;align-items:center;
  justify-content:center;font-size:34px;background:var(--gc-gold-soft)}
.prod h4{font-size:15px;font-weight:800;margin-bottom:3px}
.prod .desc{font-size:12px;color:var(--gc-gray);line-height:1.35;margin-bottom:7px}
.prod .price{font-size:15px;font-weight:900;color:var(--gc-red)}
.prod .add{position:absolute;right:12px;bottom:12px;width:32px;height:32px;border-radius:50%;
  background:var(--gc-red);color:#fff;border:none;font-size:20px;cursor:pointer;display:flex;
  align-items:center;justify-content:center;box-shadow:0 3px 8px rgba(166,25,46,.3)}
.badge{position:absolute;top:-7px;left:10px;font-size:10px;font-weight:800;color:#fff;
  padding:3px 8px;border-radius:999px;letter-spacing:.3px;z-index:2}
.badge.hot{background:var(--gc-red)}
.badge.new{background:var(--gc-green)}
.badge.best{background:var(--gc-gold)}

.section-title{font-size:13px;font-weight:800;color:var(--gc-gray);text-transform:uppercase;
  letter-spacing:.6px;margin:16px 2px 8px}

/* Cards (generic white) */
.card{background:#fff;border:1px solid var(--gc-line);border-radius:16px;padding:14px;
  box-shadow:var(--shadow-sm);margin-bottom:12px}

/* Option rows (detail page) */
.opt-row{display:flex;flex-wrap:wrap;gap:8px}
.opt{flex:1;min-width:64px;text-align:center;padding:11px 8px;border-radius:12px;background:#fff;
  border:1.5px solid var(--gc-line);font-size:13px;font-weight:700;color:var(--gc-gray);cursor:pointer;transition:.12s}
.opt.active{border-color:var(--gc-red);background:var(--gc-red-soft);color:var(--gc-red)}
.opt .plus{display:block;font-size:11px;color:var(--gc-gold);font-weight:800;margin-top:2px}

/* Topping check rows */
.check-row{display:flex;align-items:center;justify-content:space-between;padding:11px 2px;
  border-bottom:1px solid var(--gc-line);cursor:pointer}
.check-row:last-child{border-bottom:none}
.check-row .lbl{font-size:14px;font-weight:600}
.check-row .pr{font-size:13px;color:var(--gc-gold);font-weight:800;margin-left:auto;margin-right:12px}
.box{width:24px;height:24px;border-radius:7px;border:2px solid var(--gc-line);flex:0 0 24px;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px}
.check-row.on .box{background:var(--gc-red);border-color:var(--gc-red)}

/* Quantity stepper */
.qty{display:flex;align-items:center;gap:14px}
.qty button{width:36px;height:36px;border-radius:50%;border:1.5px solid var(--gc-red);background:#fff;
  color:var(--gc-red);font-size:20px;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center}
.qty .n{font-size:18px;font-weight:900;min-width:24px;text-align:center}

/* Cart line */
.cart-line{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--gc-line)}
.cart-line .emoji{width:52px;height:52px;border-radius:12px;background:var(--gc-gold-soft);
  display:flex;align-items:center;justify-content:center;font-size:26px;flex:0 0 52px}
.cart-line .meta{flex:1}
.cart-line .meta .nm{font-size:14px;font-weight:800}
.cart-line .meta .opts{font-size:11px;color:var(--gc-gray);line-height:1.4;margin-top:2px}
.cart-line .meta .ln-price{font-size:14px;font-weight:900;color:var(--gc-red);margin-top:4px}

/* Summary rows */
.sum{display:flex;justify-content:space-between;font-size:14px;padding:5px 0;color:var(--gc-ink)}
.sum.muted{color:var(--gc-gray);font-size:13px}
.sum.total{font-size:18px;font-weight:900;border-top:1px dashed var(--gc-line);margin-top:6px;padding-top:10px}
.sum.total .val{color:var(--gc-red)}
.sum .disc{color:var(--gc-green);font-weight:700}

/* Member card */
.member{background:linear-gradient(120deg,var(--gc-red),var(--gc-red-dark));color:#fff;border-radius:16px;
  padding:14px 16px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-md)}
.member .av{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;
  align-items:center;justify-content:center;font-size:22px}
.member .pts{margin-left:auto;text-align:right}
.member .pts b{font-size:20px;display:block;color:var(--gc-gold)}
.member .pts span{font-size:11px;opacity:.85}

/* Payment method radio */
.pay{display:flex;align-items:center;gap:12px;padding:13px;border:1.5px solid var(--gc-line);
  border-radius:14px;cursor:pointer;background:#fff;margin-bottom:10px;transition:.12s}
.pay.on{border-color:var(--gc-red);background:var(--gc-red-soft)}
.pay .ic{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;font-weight:900;flex:0 0 40px}
.pay .nm{font-size:14px;font-weight:800}
.pay .dot{width:20px;height:20px;border-radius:50%;border:2px solid var(--gc-line);margin-left:auto}
.pay.on .dot{border-color:var(--gc-red);background:var(--gc-red);box-shadow:inset 0 0 0 3px #fff}

/* Tracking timeline */
.track-store{background:linear-gradient(120deg,var(--gc-gold-soft),#fff);border:1px solid var(--gc-gold);
  border-radius:16px;padding:14px;display:flex;gap:12px;align-items:center;margin-bottom:16px}
.track-store .pin{width:46px;height:46px;border-radius:12px;background:var(--gc-red);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:24px;flex:0 0 46px}
.track-store .nm{font-size:15px;font-weight:900}
.track-store .ad{font-size:12px;color:var(--gc-gray);margin-top:2px}
.timeline{position:relative;padding-left:8px}
.tl-item{display:flex;gap:14px;padding-bottom:4px}
.tl-item .rail{display:flex;flex-direction:column;align-items:center}
.tl-item .ring{width:30px;height:30px;border-radius:50%;border:2px solid var(--gc-line);background:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;color:#cbbfa9;z-index:2;flex:0 0 30px}
.tl-item .line{width:2px;flex:1;background:var(--gc-line);min-height:26px}
.tl-item:last-child .line{display:none}
.tl-item.done .ring{background:var(--gc-green);border-color:var(--gc-green);color:#fff}
.tl-item.active .ring{background:var(--gc-red);border-color:var(--gc-red);color:#fff;
  animation:pulse 1.4s infinite}
.tl-item.done .line{background:var(--gc-green)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(166,25,46,.4)}70%{box-shadow:0 0 0 9px rgba(166,25,46,0)}100%{box-shadow:0 0 0 0 rgba(166,25,46,0)}}
.tl-item .body{padding-bottom:18px}
.tl-item .ttl{font-size:14px;font-weight:800}
.tl-item.pending .ttl{color:#b7ad9f}
.tl-item .tm{font-size:12px;color:var(--gc-gray);margin-top:2px}

/* Toast */
.toast{position:absolute;left:50%;bottom:96px;transform:translateX(-50%) translateY(20px);
  background:var(--gc-ink);color:#fff;padding:11px 18px;border-radius:999px;font-size:13px;font-weight:700;
  opacity:0;pointer-events:none;transition:.25s;z-index:60;white-space:nowrap;box-shadow:var(--shadow-md)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Floating cart bar */
.cartfab{position:absolute;left:16px;right:16px;bottom:16px;background:var(--gc-red);color:#fff;
  border-radius:16px;padding:13px 18px;display:flex;align-items:center;gap:12px;cursor:pointer;
  box-shadow:0 10px 26px rgba(166,25,46,.4);z-index:25;text-decoration:none;transition:.15s}
.cartfab:hover{background:var(--gc-red-dark)}
.cartfab .count{background:#fff;color:var(--gc-red);width:26px;height:26px;border-radius:50%;
  font-size:14px;font-weight:900;display:flex;align-items:center;justify-content:center}
.cartfab .t{font-weight:800;font-size:14px}
.cartfab .pp{margin-left:auto;font-weight:900;font-size:15px}

/* ---------- Right pane narrative ---------- */
.brandhead{display:flex;align-items:center;gap:14px;margin-bottom:6px}
.brandhead .mark{width:52px;height:52px;border-radius:50%;background:var(--gc-red);color:#fff;
  font-weight:900;font-size:20px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md)}
.brandhead .bt{font-size:13px;color:var(--gc-gray);font-weight:700;letter-spacing:.5px;text-transform:uppercase}
.brandhead h1{font-size:26px;font-weight:900;color:var(--gc-ink);line-height:1.1}
.kicker{display:inline-block;background:var(--gc-red-soft);color:var(--gc-red);font-weight:800;
  font-size:12px;letter-spacing:.5px;text-transform:uppercase;padding:6px 12px;border-radius:999px;margin:18px 0 14px}
.pane-right h2{font-size:21px;font-weight:900;margin:26px 0 10px;color:var(--gc-ink)}
.pane-right h3{font-size:15px;font-weight:800;margin:20px 0 8px;color:var(--gc-red)}
.pane-right p{font-size:15px;line-height:1.7;color:#3d3630;margin-bottom:12px}
.pane-right ul{margin:0 0 14px 2px;list-style:none}
.pane-right li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.6;color:#3d3630;margin-bottom:9px}
.pane-right li::before{content:"";position:absolute;left:2px;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--gc-gold)}
.pane-right li b{color:var(--gc-ink)}
.note{background:var(--gc-gold-soft);border-left:4px solid var(--gc-gold);border-radius:0 12px 12px 0;
  padding:13px 16px;font-size:14px;line-height:1.6;color:#5a4d2e;margin:14px 0}
.note b{color:var(--gc-red)}
.editable{outline:none;border-radius:8px;transition:background .15s}
.editable:hover{background:var(--gc-cream)}
.editable:focus{background:#fff;box-shadow:0 0 0 2px var(--gc-gold)}
.edit-hint{font-size:12px;color:var(--gc-gray);background:var(--gc-cream);border:1px dashed var(--gc-line);
  border-radius:10px;padding:9px 13px;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}
.metric{background:#fff;border:1px solid var(--gc-line);border-radius:14px;padding:14px;box-shadow:var(--shadow-sm)}
.metric .big{font-size:22px;font-weight:900;color:var(--gc-red)}
.metric .lb{font-size:12.5px;color:var(--gc-gray);font-weight:600;margin-top:3px;line-height:1.4}
.pagenav{display:flex;justify-content:space-between;gap:12px;margin-top:34px;padding-top:22px;
  border-top:1px solid var(--gc-line)}
.pagenav a{font-size:13px;font-weight:800;color:var(--gc-red);text-decoration:none;padding:9px 16px;
  border:1.5px solid var(--gc-line);border-radius:10px}
.pagenav a:hover{border-color:var(--gc-red)}
.pagenav a.disabled{opacity:.35;pointer-events:none}

/* Responsive: stack on narrow screens */
@media(max-width:980px){
  .layout{grid-template-columns:1fr}
  .pane-right{max-height:none;border-left:none;border-top:1px solid var(--gc-line)}
  .pane-left{padding-bottom:30px}
}