/* =====================================================================
   Vựa Gạo Sóc Trăng — POS Stylesheet
   Brand: deep green + warm gold | font: Be Vietnam Pro + Lora
   ===================================================================== */
:root{
  --green:#15603a;
  --green-d:#0e4a2c;
  --green-l:#1f7a4a;
  --gold:#b8860b;
  --gold-l:#d6a83a;
  --gold-soft:#e9c873;
  --paper:#fbf7ef;
  --paper-2:#f3ecdd;
  --ink:#23201a;
  --muted:#7b756a;
  --line:#e3dac6;
  --card:#ffffff;
  --danger:#b1402f;
  --ok:#15603a;
  --warn:#c98414;
  --shadow:0 1px 2px rgba(30,25,15,.06),0 8px 24px rgba(30,25,15,.07);
  --radius:14px;
  --radius-s:10px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 500px at 110% -10%, rgba(184,134,11,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 0%, rgba(21,96,58,.08), transparent 55%),
    var(--paper);
  min-height:100vh;
  line-height:1.45;
}

/* ============ LOGIN SCREEN ============ */
.login-wrap{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:20px;
}
.login-card{
  width:100%;
  max-width:420px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:32px 28px;
  text-align:center;
}
.login-logo{
  width:96px;height:96px;margin:0 auto 14px;
  border-radius:24px;overflow:hidden;
  box-shadow:0 4px 16px rgba(0,0,0,.12);
}
.login-logo img{width:100%;height:100%;object-fit:cover;display:block}
.login-title{
  font-family:'Lora',serif;font-weight:700;font-size:24px;color:var(--green-d);
  margin:0 0 4px;
}
.login-sub{font-size:13.5px;color:var(--muted);margin:0 0 22px}

/* ============ APP SHELL ============ */
.app-shell{display:none}
.app-shell.show{display:block}

header.topbar{
  background:linear-gradient(135deg,var(--green) 0%,var(--green-d) 100%);
  color:#fdfaf2;
  position:sticky;top:0;z-index:30;
  box-shadow:0 2px 8px rgba(0,0,0,.15);
}
.topbar-inner{
  max-width:1280px;margin:0 auto;
  display:flex;align-items:center;gap:14px;
  padding:12px 18px;
}
.brand-mini{display:flex;align-items:center;gap:11px;flex:none}
.brand-mini img{width:42px;height:42px;border-radius:10px;display:block;box-shadow:inset 0 0 0 2px rgba(255,255,255,.2)}
.brand-mini .name{font-family:'Lora',serif;font-weight:700;font-size:17px;line-height:1.1}
.brand-mini .sub{font-size:11px;opacity:.8;letter-spacing:.3px}

.tabs{
  display:flex;gap:2px;overflow-x:auto;flex:1;
  scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  background:rgba(255,255,255,.08);
  color:#fdfaf2;
  border:none;
  font:inherit;font-weight:600;font-size:13.5px;
  padding:9px 14px;
  border-radius:10px;
  cursor:pointer;white-space:nowrap;
  transition:.15s;
}
.tab:hover{background:rgba(255,255,255,.16)}
.tab.active{background:var(--gold);color:#3a2a05;box-shadow:0 2px 6px rgba(184,134,11,.5)}
.tab-emoji{margin-right:5px}

.user-chip{
  display:flex;align-items:center;gap:8px;flex:none;
  background:rgba(0,0,0,.18);
  border-radius:999px;padding:5px 12px 5px 6px;font-size:12.5px;
}
.user-chip .avatar{
  width:28px;height:28px;border-radius:50%;
  background:var(--gold);color:#3a2a05;
  display:grid;place-items:center;font-weight:700;font-size:13px;
}
.user-chip button{
  background:none;border:none;color:#fdfaf2;cursor:pointer;font:inherit;
  font-size:12px;opacity:.85;padding:0 0 0 4px;
}
.user-chip button:hover{opacity:1;text-decoration:underline}

/* ============ MAIN CONTENT ============ */
.wrap{max-width:1280px;margin:0 auto;padding:18px 18px 60px}
.page{display:none}
.page.show{display:block}
.page-title{
  font-family:'Lora',serif;font-weight:700;font-size:22px;color:var(--green-d);
  margin:0 0 16px;display:flex;align-items:center;gap:9px;
}

/* ============ STATS ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;box-shadow:var(--shadow);
}
.stat .lab{font-size:11.5px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.stat .val{font-family:'Lora',serif;font-size:24px;font-weight:700;color:var(--green-d);margin-top:4px;line-height:1.1}
.stat.gold .val{color:var(--gold)}
.stat.warn .val{color:var(--warn)}
.stat.danger .val{color:var(--danger)}
@media(max-width:900px){ .stats{grid-template-columns:repeat(2,1fr)} }

/* ============ CARD ============ */
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  margin-bottom:16px;
}
.card-hd{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 18px;border-bottom:1px solid var(--line);
}
.card-hd h3{font-family:'Lora',serif;font-size:16px;margin:0;font-weight:600;color:var(--green-d)}
.card-bd{padding:16px 18px}

/* ============ FORMS ============ */
label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:5px}
input,select,textarea{
  width:100%;font:inherit;color:var(--ink);background:#fff;
  border:1.5px solid var(--line);border-radius:var(--radius-s);
  padding:9px 12px;outline:none;transition:.15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--green-l);box-shadow:0 0 0 3px rgba(21,96,58,.12)}
textarea{min-height:70px;resize:vertical}
.row{display:grid;gap:12px}
.row-2{grid-template-columns:1fr 1fr}
.row-3{grid-template-columns:1fr 1fr 1fr}
.row-4{grid-template-columns:1fr 1fr 1fr 1fr}
@media(max-width:760px){
  .row-2,.row-3,.row-4{grid-template-columns:1fr}
}
.req{color:var(--danger)}
.hint{font-size:12px;color:var(--muted);margin-top:6px}

/* ============ BUTTONS ============ */
.btn{
  font:inherit;font-weight:700;font-size:14px;
  border:none;border-radius:var(--radius-s);padding:10px 16px;cursor:pointer;
  transition:.15s;
  display:inline-flex;align-items:center;gap:7px;justify-content:center;
  text-decoration:none;
}
.btn.primary{background:linear-gradient(135deg,var(--green-l),var(--green));color:#fff;box-shadow:0 3px 10px rgba(21,96,58,.28)}
.btn.primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn.gold{background:linear-gradient(135deg,var(--gold-l),var(--gold));color:#3a2a05}
.btn.gold:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn.ghost{background:#fff;border:1.5px solid var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--green-l);color:var(--green-d)}
.btn.danger{background:#fff;border:1.5px solid var(--danger);color:var(--danger)}
.btn.danger:hover{background:var(--danger);color:#fff}
.btn.sm{padding:6px 11px;font-size:12.5px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}
.btn.full{width:100%}

/* ============ TABLE ============ */
.tablewrap{overflow-x:auto;border-radius:var(--radius-s);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--paper-2);color:var(--green-d);font-weight:700;font-size:11.5px;text-transform:uppercase;letter-spacing:.3px;white-space:nowrap}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td.ctr,th.ctr{text-align:center}
tbody tr:hover{background:#fcfaf4}
tbody tr:last-child td{border-bottom:none}
.empty{text-align:center;color:var(--muted);padding:30px 12px;font-style:italic}

.iconbtn{
  border:none;background:none;cursor:pointer;font-size:15px;padding:5px 7px;
  border-radius:7px;line-height:1;transition:.12s;
}
.iconbtn:hover{background:var(--paper-2)}
.iconbtn.danger{color:var(--danger)}

/* ============ BADGES ============ */
.badge{
  display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:700;
  background:var(--paper-2);color:var(--green-d);
}
.badge.ok{background:#d8eedb;color:#15603a}
.badge.warn{background:#fbe9c2;color:#8a5a02}
.badge.danger{background:#f7d6cf;color:#7d2c1c}
.badge.muted{background:#ece6d5;color:var(--muted)}

/* ============ TOOLBAR ============ */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-bottom:14px}
.toolbar .f{min-width:160px}
.spacer{flex:1}

/* ============ MODAL ============ */
.modal-bg{
  position:fixed;inset:0;background:rgba(20,15,5,.55);
  display:none;align-items:flex-start;justify-content:center;
  padding:30px 16px;overflow-y:auto;
  z-index:60;
}
.modal-bg.show{display:flex}
.modal{
  background:#fff;border-radius:var(--radius);
  box-shadow:0 20px 60px rgba(0,0,0,.3);
  width:100%;max-width:720px;max-height:calc(100vh - 60px);
  display:flex;flex-direction:column;
  animation:popin .18s ease;
}
.modal.lg{max-width:1000px}
.modal.sm{max-width:480px}
@keyframes popin{
  from{transform:translateY(10px);opacity:0}
  to{transform:translateY(0);opacity:1}
}
.modal-hd{
  padding:14px 18px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.modal-hd h2{font-family:'Lora',serif;font-size:18px;margin:0;font-weight:700;color:var(--green-d)}
.modal-close{
  background:none;border:none;cursor:pointer;font-size:22px;color:var(--muted);
  width:32px;height:32px;border-radius:8px;line-height:1;
}
.modal-close:hover{background:var(--paper-2);color:var(--ink)}
.modal-bd{padding:18px;overflow-y:auto;flex:1}
.modal-ft{padding:14px 18px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}

/* ============ TOAST ============ */
.toast{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);
  background:var(--green-d);color:#fff;
  padding:12px 22px;border-radius:12px;font-weight:600;font-size:14px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
  opacity:0;pointer-events:none;transition:.3s;z-index:80;
  max-width:90vw;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.danger{background:var(--danger)}
.toast.warn{background:var(--warn)}

/* ============ IMAGE UPLOAD ============ */
.imgbox{
  width:120px;height:120px;border-radius:14px;
  border:2px dashed var(--line);background:var(--paper-2);
  display:grid;place-items:center;cursor:pointer;overflow:hidden;
  font-size:24px;color:var(--muted);position:relative;
}
.imgbox img{width:100%;height:100%;object-fit:cover;display:block}
.imgbox.has-img{border-style:solid}
.imgbox input[type=file]{display:none}
.imgbox-remove{
  position:absolute;top:4px;right:4px;
  background:rgba(255,255,255,.92);border:none;border-radius:6px;
  width:24px;height:24px;cursor:pointer;font-size:14px;line-height:1;
}

/* ============ CHILD ROW (sản phẩm con) ============ */
.child-row{
  display:grid;grid-template-columns:50px 1fr 140px auto;gap:10px;align-items:end;
  padding:10px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--paper);margin-bottom:8px;
}
.child-row .order{
  background:var(--gold);color:#3a2a05;border-radius:8px;
  text-align:center;font-weight:700;padding:9px 0;
}
@media(max-width:760px){
  .child-row{grid-template-columns:1fr 1fr}
}

/* ============ STOCK RECEIPT ROW ============ */
.receipt-row{
  display:grid;grid-template-columns:2fr 90px 80px 100px 110px 100px auto;
  gap:8px;align-items:end;
  padding:9px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--paper);margin-bottom:7px;
}
.receipt-row label{display:none}
@media(max-width:900px){
  .receipt-row{grid-template-columns:1fr 1fr}
  .receipt-row label{display:block}
}

/* ============ MISC ============ */
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.mt{margin-top:14px}
.mb{margin-bottom:14px}
.text-muted{color:var(--muted)}
.text-right{text-align:right}
.text-center{text-align:center}
.fw-bold{font-weight:700}
.fs-sm{font-size:12.5px}
.divider{height:1px;background:var(--line);margin:14px 0}
.tag{
  display:inline-block;padding:3px 9px;border-radius:6px;font-size:11.5px;font-weight:600;
  background:var(--paper-2);color:var(--green-d);margin:2px;
}

/* ============ PRINT (phiếu giao hàng — sẽ dùng Phase 1C) ============ */
@media print{
  body{background:#fff}
  header.topbar,.tabs,.user-chip,.btn,.toast,.modal-bg{display:none!important}
  .wrap{max-width:none;padding:0}
}