:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --text:#1d2433;
  --muted:#7b8497;
  --line:#e5e9f0;
  --primary:#1597a5;
  --primary-dark:#0f7f8b;
  --nav:#10222c;
  --success:#28a76f;
  --warning:#f6a91a;
  --danger:#e45757;
  --info:#5273d5;
  --shadow:0 8px 24px rgba(31,45,61,.08);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:"Noto Sans Thai",Tahoma,Arial,sans-serif}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{background:var(--nav);color:#fff;padding:22px 16px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}
.brand-mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#20afbc,#0f7f8b);font-weight:800}
.brand strong{display:block;font-size:17px}
.brand small{color:#a8bbc4}
.nav{display:grid;gap:8px}
.nav-item{width:100%;border:0;background:transparent;color:#cfe0e6;padding:12px 14px;border-radius:10px;text-align:left;display:flex;gap:12px;align-items:center}
.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.1);color:#fff}
.main{min-width:0}
.topbar{background:var(--surface);padding:20px 26px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;position:sticky;top:0;z-index:3}
.topbar h1{margin:0;font-size:22px}
.topbar p{margin:4px 0 0;color:var(--muted);font-size:13px}
.top-actions{display:flex;gap:10px;align-items:center}
.top-actions input{width:260px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;outline:none}
.profile{width:40px;height:40px;border-radius:50%;border:0;background:var(--primary);color:#fff;font-weight:700}
.content{padding:24px}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.kpi .label{color:var(--muted);font-size:13px;margin-bottom:8px}
.kpi .value{font-size:28px;font-weight:800}
.kpi .hint{font-size:12px;margin-top:7px;color:var(--muted)}
.kpi.success .value{color:var(--success)}
.kpi.warning .value{color:var(--warning)}
.kpi.primary .value{color:var(--primary)}
.kpi.info .value{color:var(--info)}
.panel-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);gap:12px}
.card-head h2{font-size:16px;margin:0}
.card-body{padding:16px 18px}
.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:700}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-light{background:#eef4f5;color:var(--primary-dark)}
.btn-danger{background:#fdecec;color:var(--danger)}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{color:var(--muted);font-weight:700;background:#fbfcfe}
.status{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:700}
.status.ok{background:#e9f7f0;color:var(--success)}
.status.low{background:#fff4dc;color:#a96900}
.status.out{background:#fdecec;color:var(--danger)}
.status.in{background:#e9f7f0;color:var(--success)}
.status.sale{background:#eaf0ff;color:var(--info)}
.status.adjust{background:#f3edff;color:#7c57c6}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quick{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fbfcfe;text-align:center}
.quick .icon{font-size:28px;margin-bottom:8px}
.progress{height:12px;border-radius:999px;background:#e9eef4;overflow:hidden}
.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#50c1cb)}
.list{display:grid;gap:10px}
.list-item{display:flex;justify-content:space-between;align-items:center;padding:12px;border:1px solid var(--line);border-radius:12px;gap:12px}
.list-item strong{display:block;font-size:13px}
.list-item small{color:var(--muted)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:700}
.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:10px;padding:11px 12px;background:#fff}
.field textarea{min-height:88px;resize:vertical}
.actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.empty{padding:42px 16px;text-align:center;color:var(--muted)}
.toast{position:fixed;right:24px;bottom:24px;background:#17232c;color:#fff;padding:12px 16px;border-radius:10px;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none;z-index:20}
.toast.show{opacity:1;transform:translateY(0)}
.mini-actions{display:flex;gap:6px}
.mini-btn{border:0;padding:6px 8px;border-radius:8px;background:#eef4f5;color:#355}
.summary-row{display:flex;justify-content:space-between;align-items:end;gap:12px;margin-bottom:14px}
.summary-row strong{font-size:22px}
.badge{font-size:11px;padding:5px 8px;border-radius:999px;background:#eef4f5;color:#48616a}
dialog{border:0;padding:0;border-radius:16px;max-width:560px;width:calc(100% - 28px);box-shadow:0 20px 60px rgba(0,0,0,.25)}
dialog::backdrop{background:rgba(11,22,29,.45)}
.modal-card{margin:0}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0}
.modal-body{padding:18px}
.icon-close{border:0;background:transparent;font-size:18px}
@media(max-width:1050px){
  .app-shell{grid-template-columns:78px 1fr}
  .sidebar{padding:18px 10px}
  .brand div:not(.brand-mark),.nav-item span{display:none}
  .brand{justify-content:center}
  .nav-item{justify-content:center}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .panel-grid{grid-template-columns:1fr}
}
@media(max-width:700px){
  .app-shell{display:block}
  .sidebar{height:auto;position:fixed;left:0;right:0;bottom:0;top:auto;z-index:10;padding:8px}
  .brand{display:none}
  .nav{grid-template-columns:repeat(6,1fr)}
  .nav-item{padding:10px 5px;font-size:18px}
  .topbar{padding:14px 16px}
  .top-actions input{display:none}
  .content{padding:14px 14px 90px}
  .kpi-grid{grid-template-columns:1fr 1fr;gap:10px}
  .kpi{padding:14px}
  .kpi .value{font-size:22px}
  .form-grid{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
}


/* =========================================================
   TABLET APP HOME
   หน้าแรกแบบเมนูแอป เน้นการแตะบนแท็บเล็ต
========================================================= */
.app-home{
  max-width:1180px;
  margin:0 auto;
}

.welcome-strip{
  min-height:150px;
  padding:24px 28px;
  margin-bottom:20px;
  border-radius:24px;
  color:#fff;
  background:
    radial-gradient(circle at 85% 25%,rgba(255,255,255,.17),transparent 30%),
    linear-gradient(135deg,#0f7f8b,#20aab6);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  box-shadow:0 14px 34px rgba(15,127,139,.20);
}
.welcome-strip .eyebrow{
  font-size:12px;
  font-weight:800;
  letter-spacing:1.5px;
  opacity:.82;
}
.welcome-strip h2{
  margin:6px 0 4px;
  font-size:28px;
}
.welcome-strip p{
  margin:0;
  opacity:.85;
}
.today-summary{
  min-width:220px;
  padding:16px 20px;
  border-radius:18px;
  background:rgba(255,255,255,.14);
  backdrop-filter:blur(8px);
  text-align:right;
}
.today-summary span,
.today-summary small{
  display:block;
  opacity:.88;
}
.today-summary strong{
  display:block;
  font-size:30px;
  margin:4px 0;
}

.app-menu-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}

.app-tile{
  position:relative;
  min-height:180px;
  padding:22px;
  border:1px solid var(--line);
  border-radius:24px;
  background:var(--surface);
  color:var(--text);
  box-shadow:var(--shadow);
  text-align:left;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  overflow:hidden;
  transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
  touch-action:manipulation;
}
.app-tile::after{
  content:"";
  position:absolute;
  right:-38px;
  top:-38px;
  width:120px;
  height:120px;
  border-radius:50%;
  background:var(--tile-soft,#eef7f8);
}
.app-tile:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 32px rgba(31,45,61,.13);
}
.app-tile:active{
  transform:scale(.985);
}
.tile-icon{
  position:relative;
  z-index:1;
  width:64px;
  height:64px;
  display:grid;
  place-items:center;
  border-radius:18px;
  font-size:32px;
  background:var(--tile-soft,#eef7f8);
}
.tile-text{
  position:relative;
  z-index:1;
  display:grid;
  gap:4px;
}
.tile-text strong{
  font-size:20px;
}
.tile-text small{
  color:var(--muted);
  font-size:13px;
}
.tile-arrow{
  position:absolute;
  right:20px;
  bottom:18px;
  z-index:1;
  font-size:32px;
  color:#abb6c3;
}
.tile-badge{
  position:absolute;
  right:18px;
  bottom:18px;
  z-index:1;
  padding:7px 10px;
  border-radius:999px;
  background:#fff4dc;
  color:#a96900;
  font-size:11px;
  font-weight:800;
}

.tile-sale{--tile-soft:#e8f8f1;border-top:5px solid #28a76f}
.tile-dashboard{--tile-soft:#eaf0ff;border-top:5px solid #5273d5}
.tile-movement{--tile-soft:#e9f7fa;border-top:5px solid #1597a5}
.tile-stock{--tile-soft:#fff4dc;border-top:5px solid #f6a91a}
.tile-report{--tile-soft:#f2ecff;border-top:5px solid #8061c9}
.tile-settings{--tile-soft:#eef1f5;border-top:5px solid #778391}

.home-footer{
  margin:20px 4px 0;
  color:var(--muted);
  font-size:12px;
  display:flex;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
}

/* Tablet landscape: ให้ปุ่มใหญ่ กดง่าย และฟีลแอป */
@media (min-width:701px) and (max-width:1180px){
  .app-shell{grid-template-columns:92px 1fr}
  .sidebar{padding:18px 10px}
  .brand{justify-content:center}
  .brand div:not(.brand-mark){display:none}
  .nav-item{
    justify-content:center;
    padding:13px 8px;
    font-size:20px;
  }
  .nav-item span{display:none}
  .content{padding:20px}
  .app-menu-grid{grid-template-columns:repeat(3,1fr);gap:14px}
  .app-tile{min-height:166px;padding:18px}
  .tile-text strong{font-size:18px}
}

/* Tablet portrait */
@media (min-width:701px) and (max-width:900px){
  .app-menu-grid{grid-template-columns:repeat(2,1fr)}
}

/* Phone */
@media(max-width:700px){
  .app-menu-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .app-tile{min-height:145px;padding:15px;border-radius:18px}
  .tile-icon{width:52px;height:52px;font-size:26px;border-radius:15px}
  .tile-text strong{font-size:16px}
  .tile-text small{font-size:11px}
  .welcome-strip{padding:18px;min-height:120px;border-radius:18px}
  .welcome-strip h2{font-size:22px}
  .today-summary{display:none}
  .nav{grid-template-columns:repeat(7,1fr)}
}


/* =========================================================
   V4 - FULL SCREEN TABLET APP
   ไม่มี Sidebar ใช้ปุ่มกลับหน้าหลักแทน
========================================================= */
.app-shell{
  display:block !important;
  min-height:100vh;
}
.main{
  width:100%;
  min-width:0;
}
.topbar-left{
  display:flex;
  align-items:center;
  gap:14px;
}
.back-home-btn{
  width:46px;
  height:46px;
  border:0;
  border-radius:14px;
  background:#e9f5f6;
  color:var(--primary-dark);
  font-size:26px;
  font-weight:800;
  display:grid;
  place-items:center;
  flex:0 0 auto;
}
.back-home-btn:active{
  transform:scale(.96);
}
.hidden{
  display:none !important;
}
.content{
  max-width:1400px;
  margin:0 auto;
}
.app-home{
  max-width:1200px;
}
@media(min-width:701px){
  .content{
    padding:26px 30px 34px;
  }
  .topbar{
    padding:18px 30px;
  }
}
@media(max-width:700px){
  .content{
    padding:14px 14px 24px !important;
  }
  .back-home-btn{
    width:42px;
    height:42px;
    border-radius:12px;
  }
}

.connection-warning{
  max-width:1200px;
  margin:0 auto 16px;
  padding:13px 16px;
  border:1px solid #f2cf8b;
  border-radius:14px;
  background:#fff8e8;
  color:#765416;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  align-items:center;
}
.connection-warning strong{font-size:13px}
.connection-warning span{font-size:12px}
.btn:disabled{
  opacity:.55;
  cursor:not-allowed;
}