:root{--ink:#0C1A15;--ink2:#15241e;--panel:#fff;--bg:#f3f5f3;--line:#e2e7e3;--text:#13201a;--muted:#5e6d66;--green:#0f6b47;--green2:#4CD37B;--gold:#C8A96A;--red:#c0392b;--amber:#b7791f;--blue:#1f5fa8;--radius:12px;--font:"LINE Seed Sans TH","Outfit",system-ui,-apple-system,"Segoe UI",sans-serif}
@media(prefers-color-scheme:dark){:root{--panel:#16211c;--bg:#0e1612;--line:#263129;--text:#e8eee9;--muted:#9fb0a6}}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 var(--font)}
a{color:var(--green);text-decoration:none}button{font:inherit;cursor:pointer}input,select,textarea{font:inherit;color:inherit}
.splash{padding:40px;text-align:center;color:var(--muted)}
/* layout */
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{background:var(--ink);color:#cfd8d2;padding:16px 12px;position:sticky;top:0;height:100vh;overflow:auto}
.side .brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;color:#fff;font-weight:700;font-size:18px}
.side .brand b{color:var(--green2)}
.side h6{margin:14px 10px 4px;font-size:11px;letter-spacing:.12em;color:#7f8f87;text-transform:uppercase}
.side a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;color:#cfd8d2;font-weight:500}
.side a.is-active,.side a:hover{background:rgba(255,255,255,.08);color:#fff}
.side .user{margin-top:auto;padding:12px 10px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}
.main{padding:18px 22px 90px;max-width:1500px;width:100%}
.topbar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.topbar h1{margin:0;font-size:22px}
.topbar .grow{flex:1}
.tabbar{display:none}
@media(max-width:900px){.shell{grid-template-columns:1fr}.side{display:none}.main{padding:12px 12px 90px}
.tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;background:var(--ink);padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:40}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;color:#9fb0a6;font-size:11px;padding:4px}
.tabbar a.is-active{color:var(--green2)}.tabbar a svg{width:22px;height:22px}}
/* components */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}
.card h2{margin:0 0 10px;font-size:16px}
.grid{display:grid;gap:14px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.stat span{display:block;font-size:12px;color:var(--muted)}.stat b{font-size:26px;font-weight:700}.stat small{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:9px;border:1px solid var(--green);background:var(--green);color:#fff;font-weight:600;white-space:nowrap}
.btn:disabled{opacity:.5;cursor:default}.btn.sm{padding:6px 10px;font-size:13px}.btn.ghost{background:transparent;color:var(--green)}.btn.danger{background:var(--red);border-color:var(--red)}.btn.gold{background:var(--gold);border-color:var(--gold);color:var(--ink)}.btn.gray{background:var(--bg);color:var(--text);border-color:var(--line)}
.input,.select,textarea.input{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:var(--panel)}
label.f{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:10px}label.f>*{margin-top:4px;font-weight:400;color:var(--text)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:var(--panel);font-size:13px;font-weight:600;cursor:pointer}
.chip.is-active{background:var(--green);border-color:var(--green);color:#fff}
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700}
.tag.PENDING{background:#fff3cd;color:#8a5a00}.tag.STANDBY{background:#dbeafe;color:#1e40af}.tag.ACTIVE{background:#dcfce7;color:#166534}.tag.DONE{background:#e5e7eb;color:#374151}.tag.COMPLETED{background:#d1fae5;color:#065f46}.tag.CANCELLED{background:#fee2e2;color:#991b1b}
table.t{width:100%;border-collapse:collapse;font-size:14px}table.t th,table.t td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}table.t th{font-size:12px;color:var(--muted);font-weight:600}table.t tr:hover td{background:rgba(15,107,71,.04)}
.muted{color:var(--muted)}.num{font-variant-numeric:tabular-nums}.right{text-align:right}
.empty{padding:28px;text-align:center;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;z-index:60;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.toast.err{background:var(--red)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:50}
.modal>div{background:var(--panel);width:min(720px,100%);max-height:92vh;overflow:auto;border-radius:16px 16px 0 0;padding:18px}
@media(min-width:700px){.modal{align-items:center}.modal>div{border-radius:16px}}
.list a.item{display:block;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--panel);margin-bottom:8px;color:inherit}
.list a.item:hover{border-color:var(--green)}
.kv{display:grid;grid-template-columns:140px 1fr;gap:6px 12px;font-size:14px}.kv dt{color:var(--muted)}.kv dd{margin:0}
.timeline{list-style:none;padding:0;margin:0}.timeline li{padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}.timeline time{color:var(--muted);margin-right:8px}
/* gantt */
.gantt{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.gantt table{border-collapse:collapse;font-size:12px}
.gantt th,.gantt td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:0;height:34px;min-width:34px;position:relative}
.gantt th{background:var(--bg);font-weight:600;position:sticky;top:0;z-index:3;text-align:center;padding:4px 2px}
.gantt th.car,.gantt td.car{position:sticky;left:0;background:var(--panel);z-index:4;min-width:170px;padding:4px 8px;text-align:left;font-weight:600;white-space:nowrap}
.gantt th.car{z-index:5}
.gantt td.today{background:rgba(200,169,106,.12)}.gantt td.we{background:rgba(0,0,0,.025)}
.gantt .bar{position:absolute;top:5px;height:24px;border-radius:6px;color:#fff;font-size:11px;line-height:24px;padding:0 6px;overflow:hidden;white-space:nowrap;cursor:pointer;z-index:2;box-shadow:0 1px 2px rgba(0,0,0,.25)}
.gantt .bar.PENDING{background:#b7791f}.gantt .bar.STANDBY{background:#1f5fa8}.gantt .bar.ACTIVE{background:#0f6b47}.gantt .bar.DONE{background:#6b7280}.gantt .bar.COMPLETED{background:#065f46}
.gantt .model{background:var(--ink);color:#fff;font-weight:700;padding:4px 8px;position:sticky;left:0;z-index:4}
.gantt td.free:hover{background:rgba(76,211,123,.25);cursor:copy}
.login{max-width:380px;margin:12vh auto;padding:28px}
.login h1{margin:0 0 6px}.login p{color:var(--muted);margin:0 0 18px}
.avail{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.avail .c{border:1px solid var(--line);border-radius:10px;padding:10px;cursor:pointer}.avail .c.is-active{border-color:var(--green);box-shadow:0 0 0 2px rgba(15,107,71,.25)}.avail .c.busy{opacity:.45;cursor:not-allowed}
.avail .c b{display:block}.avail .c small{color:var(--muted)}
.lines td{padding:5px 6px}.lines tfoot td{font-weight:700;border-top:2px solid var(--line)}
.pill{padding:2px 8px;border-radius:999px;background:var(--bg);font-size:12px}
.hidden{display:none!important}