:root{--pri:#0f766e;--pri2:#115e59;--bg:#f5f7f7;--card:#fff;--line:#e3e8e8;--txt:#1f2a2a;--mut:#667;--ok:#166534;--okbg:#dcfce7;--err:#991b1b;--errbg:#fee2e2;--warn:#b45309;--warnbg:#fef3c7}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI","Noto Sans Thai","Leelawadee UI",Tahoma,sans-serif;background:var(--bg);color:var(--txt)}
a{color:var(--pri)}
#bar{position:fixed;top:0;left:0;height:3px;width:0;background:#5eead4;z-index:99;opacity:0}
.htmx-request#bar,.htmx-request #bar{opacity:1;width:80%;transition:width 2s ease-out}
header{background:var(--pri);color:#fff;padding:.5rem 1rem;display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}
header .brand{font-weight:700;color:#fff;text-decoration:none;margin-right:auto}
header select{background:var(--pri2);color:#fff;border:1px solid #5eead4;border-radius:8px;padding:.3rem .5rem;font-size:.95rem;max-width:12rem}
header .who{font-size:.85rem;opacity:.9}
header form{margin:0}
.linkbtn{background:none;border:0;color:#fff;text-decoration:underline;cursor:pointer;font:inherit;font-size:.85rem;padding:0}
nav{background:#fff;border-bottom:1px solid var(--line);display:flex;overflow-x:auto;gap:.25rem;padding:0 .5rem;position:sticky;top:0;z-index:5}
nav a{padding:.7rem .8rem;text-decoration:none;color:var(--mut);white-space:nowrap;border-bottom:3px solid transparent}
nav a.on{color:var(--pri);border-color:var(--pri);font-weight:600}
main{max-width:1100px;margin:0 auto;padding:1rem}
h1{font-size:1.35rem;margin:.25rem 0 1rem}
h2{font-size:1.1rem;margin:0 0 .75rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem;margin-bottom:1rem}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.kpis{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:1rem}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:.8rem 1rem}
.kpi b{display:block;font-size:1.8rem;line-height:1.2}
.kpi span{color:var(--mut);font-size:.9rem}
.kpi.warn b{color:var(--warn)} .kpi.bad b{color:var(--err)}
.flash{padding:.75rem 1rem;border-radius:10px;margin-bottom:1rem;font-weight:500}
.flash.ok{background:var(--okbg);color:var(--ok)} .flash.err{background:var(--errbg);color:var(--err)}
label{display:block;font-weight:600;margin:.6rem 0 .25rem;font-size:.95rem}
input,select,textarea{width:100%;font:inherit;padding:.65rem .75rem;border:1px solid #cbd5d5;border-radius:10px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #5eead4;border-color:var(--pri)}
input[type=checkbox]{width:auto;transform:scale(1.25);margin-right:.4rem}
.chk{display:flex;align-items:center;font-weight:400;margin:.35rem 0}
button,.btn{display:inline-block;font:inherit;font-weight:600;background:var(--pri);color:#fff;border:0;border-radius:10px;padding:.7rem 1.2rem;cursor:pointer;text-decoration:none;text-align:center}
button:hover,.btn:hover{background:var(--pri2)}
button[disabled]{opacity:.6}
.btn.sec,button.sec{background:#e6f2f1;color:var(--pri)}
.btn.sm,button.sm{padding:.35rem .7rem;font-size:.9rem}
.big{width:100%;padding:1rem;font-size:1.1rem;margin-top:1rem}
.tabs{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}
.tabs a{flex:1;min-width:80px;text-align:center;padding:.8rem .5rem;border-radius:12px;background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--txt);font-weight:600}
.tabs a.on{background:var(--pri);color:#fff;border-color:var(--pri)}
.row{display:flex;gap:.75rem;flex-wrap:wrap}.row>*{flex:1;min-width:140px}
.filters{display:flex;gap:.5rem;flex-wrap:wrap;align-items:flex-end;margin-bottom:1rem}
.filters>*{flex:1;min-width:130px}.filters button,.filters .btn{flex:0}
.tbl{width:100%;overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{padding:.55rem .5rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{color:var(--mut);font-weight:600;font-size:.85rem;white-space:nowrap}
td.n,th.n{text-align:right;white-space:nowrap}
.mut{color:var(--mut);font-size:.88rem}
.tag{display:inline-block;padding:.05rem .5rem;border-radius:99px;font-size:.8rem;background:#eef2f2;white-space:nowrap}
.tag.low,.tag.overdue{background:var(--errbg);color:var(--err)}
.tag.withdraw,.tag.borrow,.tag.transfer_out{background:#fff1e6;color:#9a3412}
.tag.restock,.tag.return,.tag.transfer_in{background:var(--okbg);color:var(--ok)}
.tag.adjust{background:var(--warnbg);color:var(--warn)}
.neg{color:#9a3412}.pos{color:var(--ok)}
.bars{display:flex;flex-direction:column;gap:.45rem}
.bar{display:grid;grid-template-columns:minmax(90px,38%) 1fr auto;gap:.5rem;align-items:center;font-size:.9rem}
.bar i{display:block;height:14px;background:#5eead4;border-radius:4px;min-width:2px}
.vbars{display:flex;align-items:flex-end;gap:.5rem;height:160px;padding-top:1rem}
.vbars div{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;font-size:.8rem;color:var(--mut)}
.vbars i{display:block;width:100%;max-width:48px;background:var(--pri);border-radius:6px 6px 0 0;min-height:2px}
.vbars b{color:var(--txt);font-size:.85rem}
.pager{display:flex;gap:.5rem;justify-content:center;margin-top:1rem}
.pw{font:700 1.6rem/1.2 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.1em;background:var(--warnbg);padding:.6rem 1rem;border-radius:10px;display:inline-block;user-select:all}
.login{max-width:380px;margin:8vh auto;padding:0 1rem}
.login .logo{width:64px;height:64px;display:block;margin:0 auto .5rem}
.inline{display:flex;gap:.35rem;align-items:center}
.inline input{width:5.5rem;padding:.4rem .5rem}
.permgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:0 1rem}
footer{text-align:center;color:var(--mut);font-size:.8rem;padding:2rem 0}
@media (max-width:640px){main{padding:.75rem}.card{padding:.85rem}th,td{padding:.5rem .35rem}.hide-sm{display:none}}