/* ============================================================
   ระบบบริหารหอมแดง & กระเทียม — สไตล์หลัก
   สี: เปลือกหอมแดง (แดงอมม่วง) + เปลือกกระเทียม (ทอง) บนพื้นสีใบหอมแห้ง
   ============================================================ */
:root{
  --ink:#1E231C;  --ink-2:#3B4238;  --muted:#727866;
  --paper:#ECEDE5; --surface:#FFFFFF; --line:#D6D9CC; --line-2:#E7E9DF;
  --shallot:#8E2C48; --shallot-soft:#F6E7EB;
  --garlic:#A8791A;  --garlic-soft:#F7EEDA;
  --good:#2C6A4B; --good-soft:#E4F0E8;
  --bad:#AE3E28;  --bad-soft:#F8E7E2;
  --sidebar:#232A21; --sidebar-2:#2F382C;
  --r:10px; --sh:0 1px 2px rgba(30,35,28,.06), 0 6px 18px rgba(30,35,28,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper); color:var(--ink);
  font-family:'IBM Plex Sans Thai','Noto Sans Thai',system-ui,sans-serif;
  font-size:15px; line-height:1.55; -webkit-text-size-adjust:100%;
}
a{color:var(--shallot);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.01em}
.num{font-family:'IBM Plex Mono','IBM Plex Sans Thai',monospace;font-variant-numeric:tabular-nums}
.right{text-align:right}.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:13px}
.pos{color:var(--good)}.neg{color:var(--bad)}
:focus-visible{outline:2px solid var(--shallot);outline-offset:2px}

/* ---------- โครงหน้า ---------- */
.shell{display:flex;min-height:100vh}
.side{
  width:238px;flex:0 0 238px;background:var(--sidebar);color:#D7DCD2;
  position:sticky;top:0;height:100vh;overflow-y:auto;padding:18px 0 40px;
}
.brand{display:flex;gap:10px;align-items:center;padding:2px 18px 18px;}
.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--shallot);
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:17px;flex:0 0 34px}
.brand b{color:#fff;font-size:15px;font-weight:600;line-height:1.25;display:block}
.brand span{font-size:11.5px;color:#8C9686}
.navgroup{margin:14px 0 4px;padding:0 18px;font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:#7E8A76}
.side a{display:flex;justify-content:space-between;align-items:center;gap:8px;
  padding:8px 18px;color:#CBD2C5;font-size:14.5px;border-left:3px solid transparent}
.side a:hover{background:var(--sidebar-2);color:#fff;text-decoration:none}
.side a.on{background:var(--sidebar-2);color:#fff;border-left-color:var(--shallot);font-weight:500}
.side a .pill{background:var(--shallot);color:#fff;font-size:11px;padding:1px 7px;border-radius:20px}

.scrim{display:none}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--surface);border-bottom:1px solid var(--line);
  padding:12px 22px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:19px}
.topbar .sub{font-size:12.5px;color:var(--muted)}
.spacer{flex:1}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;
  padding:6px 10px;font-size:18px;cursor:pointer;line-height:1}
.content{padding:20px 22px 60px;max-width:1500px;width:100%}

/* ---------- การ์ด ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh);margin-bottom:16px;overflow:hidden}
.card > h2{font-size:15px;padding:12px 16px;border-bottom:1px solid var(--line-2);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card > h2 .spacer{flex:1}
.card .body{padding:16px}
.card .body.tight{padding:0}

/* ---------- KPI ---------- */
.kpis{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));margin-bottom:16px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:13px 15px;box-shadow:var(--sh);position:relative;overflow:hidden}
.kpi::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--line)}
.kpi.k-shallot::before{background:var(--shallot)} .kpi.k-garlic::before{background:var(--garlic)}
.kpi.k-good::before{background:var(--good)} .kpi.k-bad::before{background:var(--bad)}
.kpi .lbl{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px}
.kpi .v{font-size:23px;font-weight:600;margin-top:3px;
  font-family:'IBM Plex Mono','IBM Plex Sans Thai',monospace;font-variant-numeric:tabular-nums}
.kpi .v small{font-size:13px;font-weight:400;color:var(--muted)}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:2px}

/* ---------- แถบเปอร์เซ็นต์ (ลายเซ็นของระบบ) ---------- */
.bar{height:8px;border-radius:20px;background:var(--line-2);overflow:hidden;display:flex;margin-top:7px}
.bar i{display:block;height:100%}
.bar i.s{background:var(--shallot)} .bar i.g{background:var(--garlic)}
.bar i.k{background:var(--good)}    .bar i.w{background:var(--bad)}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--muted);margin-top:8px}
.legend span{display:flex;align-items:center;gap:5px}
.legend i{width:9px;height:9px;border-radius:3px;display:inline-block}

/* ---------- ตาราง ---------- */
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.t{width:100%;border-collapse:collapse;font-size:14px;min-width:600px}
table.t th{background:#F5F6F0;text-align:left;font-weight:600;font-size:12.5px;
  color:var(--ink-2);padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.t td{padding:9px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
table.t tbody tr:hover{background:#FAFBF6}
table.t tfoot td{font-weight:600;background:#F5F6F0;border-top:2px solid var(--line)}
table.t td.num,table.t th.num{font-family:'IBM Plex Mono','IBM Plex Sans Thai',monospace;
  font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.empty{padding:34px 16px;text-align:center;color:var(--muted)}
.empty b{display:block;color:var(--ink);font-weight:600;margin-bottom:4px}

/* ---------- ป้าย ---------- */
.tag{display:inline-block;font-size:12px;padding:2px 9px;border-radius:20px;
  border:1px solid transparent;white-space:nowrap}
.tag-shallot{background:var(--shallot-soft);color:var(--shallot);border-color:#EBD2D9}
.tag-garlic{background:var(--garlic-soft);color:var(--garlic);border-color:#EDDCB8}
.tag-other{background:#EEF0E8;color:var(--muted);border-color:var(--line)}
.tag-ok{background:var(--good-soft);color:var(--good);border-color:#CDE3D6}
.tag-wait{background:var(--bad-soft);color:var(--bad);border-color:#EED3CB}
.tag-info{background:#E9EEF4;color:#2E5A80;border-color:#D3DEE9}

/* ---------- ฟอร์ม ---------- */
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)} .g5{grid-template-columns:repeat(5,1fr)}
.field label{display:block;font-size:12.5px;color:var(--ink-2);margin-bottom:4px;font-weight:500}
input[type=text],input[type=number],input[type=date],input[type=password],input[type=month],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;
  background:#fff;font:inherit;font-size:15px;color:var(--ink)}
input[type=number],input.num{font-family:'IBM Plex Mono','IBM Plex Sans Thai',monospace;text-align:right}
input:focus,select:focus,textarea:focus{border-color:var(--shallot);outline:none;
  box-shadow:0 0 0 3px rgba(142,44,72,.10)}
input[readonly]{background:#F3F4EE;color:var(--ink-2)}
select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%23727866' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;background-size:11px;padding-right:30px}
.hint{font-size:12px;color:var(--muted);margin-top:3px}

.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:8px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-size:14.5px;
  font-weight:500;cursor:pointer;white-space:nowrap}
.btn:hover{background:#F5F6F0;text-decoration:none}
.btn-main{background:var(--shallot);border-color:var(--shallot);color:#fff}
.btn-main:hover{background:#7A2440;color:#fff}
.btn-sm{padding:5px 11px;font-size:13px;border-radius:7px}
.btn-del{color:var(--bad);border-color:#E8D2CC}
.btn-del:hover{background:var(--bad-soft)}
.actions{display:flex;gap:9px;flex-wrap:wrap;align-items:center}

/* ---------- แถบกรอง ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:12px 14px;margin-bottom:16px;box-shadow:var(--sh)}
.filters .field{min-width:150px}

/* ---------- แจ้งเตือน ---------- */
.flash{padding:11px 15px;border-radius:9px;margin-bottom:14px;font-size:14.5px;border:1px solid}
.flash-ok{background:var(--good-soft);border-color:#CDE3D6;color:#1E4E36}
.flash-err{background:var(--bad-soft);border-color:#EED3CB;color:#8C3220}

/* ---------- แท็บ ---------- */
.tabs{display:flex;gap:4px;overflow-x:auto;margin-bottom:16px;padding-bottom:2px}
.tabs a{padding:8px 15px;border-radius:8px;font-size:14px;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line);white-space:nowrap}
.tabs a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.tabs a:hover{text-decoration:none}

/* ---------- แถวรายการสินค้าในบิล ---------- */
.itemrow td{padding:6px 8px}
.itemrow input,.itemrow select{padding:7px 9px;font-size:14px}

/* ---------- เข้าสู่ระบบ ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding:20px;
  background:linear-gradient(160deg,#232A21,#3E2530 70%)}
.login .box{background:#fff;border-radius:14px;padding:28px;width:100%;max-width:360px;
  box-shadow:0 20px 50px rgba(0,0,0,.28)}
.login h1{font-size:20px;margin-bottom:3px}
.login p{color:var(--muted);font-size:13.5px;margin:0 0 18px}

/* ---------- มือถือ ---------- */
@media (max-width:900px){
  .g4,.g5{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .side{position:fixed;left:0;top:0;z-index:60;transform:translateX(-100%);
    transition:transform .22s ease;box-shadow:0 0 40px rgba(0,0,0,.3)}
  body.nav-open .side{transform:none}
  body.nav-open .scrim{position:fixed;inset:0;background:rgba(20,24,18,.45);z-index:50}
  .burger{display:block}
  .content{padding:14px 12px 70px}
  .topbar{padding:10px 12px}
  .topbar h1{font-size:16.5px}
  .g2,.g3,.g4,.g5{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,1fr);gap:9px}
  .kpi .v{font-size:19px}
  .filters{padding:10px}
  .filters .field{min-width:calc(50% - 5px);flex:1}
  .btn{padding:10px 15px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{
  .side,.topbar,.filters,.actions,.noprint{display:none!important}
  body{background:#fff}.content{padding:0}.card{box-shadow:none;border:1px solid #ccc}
}