:root{--ink:#14212b;--muted:#6b7780;--line:#dfe6e9;--bg:#f3f6f5;--card:#fff;--primary:#0f766e;--primary-dark:#115e59;--accent:#e8f5f2;--danger:#b42318;--nav:#102d2b}
*{box-sizing:border-box}body{margin:0;font-family:"Noto Sans Thai","Leelawadee UI",Tahoma,sans-serif;background:var(--bg);color:var(--ink)}a{color:var(--primary);text-decoration:none}.shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.sidebar{background:var(--nav);color:white;padding:28px 20px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;color:inherit;font-size:18px;font-weight:700;line-height:1}.brand small{font-size:12px;font-weight:500;color:#9fc7c2}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#d9f0eb;color:var(--primary-dark);font-family:Georgia,serif;font-size:27px}.sidebar nav{display:grid;gap:6px;margin-top:42px}.sidebar nav a{color:#c8ddda;padding:11px 13px;border-radius:8px}.sidebar nav a:hover,.sidebar nav a.active{color:#fff;background:#1a4844}.sidebar-user{margin-top:auto;padding-top:18px;border-top:1px solid #2a514e;font-size:13px}.role-label{display:block;color:#8fb9b4;margin-top:3px}.link-button{border:0;background:none;color:#9fc7c2;padding:5px 0;cursor:pointer}.topbar{min-height:106px;padding:24px 38px;background:#fff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.topbar h1{margin:3px 0 0;font-size:25px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--primary);font-weight:700}.content,.messages{padding:28px 38px}.messages{padding-bottom:0}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}.metric{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:20px;box-shadow:0 4px 16px rgba(23,49,46,.035)}.metric.accent{background:var(--primary);color:white}.metric span,.metric small{display:block;color:var(--muted)}.metric.accent span,.metric.accent small{color:#cce8e4}.metric strong{display:block;font-size:34px;margin:9px 0 2px}.panel,.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:13px}.panel{padding:22px;margin-bottom:20px}.panel h2,.panel h3{margin-top:0}.panel p{color:var(--muted)}.split-heading,.toolbar,.detail-head,.action-row,.form-actions,.sticky-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px 15px;border-bottom:1px solid #edf0f1;white-space:nowrap}th{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);background:#fafbfb}tr:last-child td{border-bottom:0}.number{text-align:right}.strong{font-weight:700;color:var(--ink)}.wrap-cell{white-space:normal;min-width:220px}.badge{display:inline-block;border-radius:99px;padding:4px 9px;font-size:11px;background:#eef1f2;color:#52616b}.badge.issued{background:#def4e9;color:#137044}.badge.draft{background:#fff1cc;color:#8c6500}.badge.cancelled{background:#fde3e1;color:#a22b22}.empty{text-align:center;color:var(--muted);padding:35px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid #ccd6d9;border-radius:8px;background:#fff;color:var(--ink);padding:9px 14px;font:inherit;cursor:pointer}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{color:var(--danger);border-color:#eab9b5}.btn-google{background:#fff;border-color:#c9d2d7;font-weight:700;gap:9px;box-shadow:0 2px 5px rgba(0,0,0,.06)}.google-mark{font-family:Arial,sans-serif;font-size:18px;color:#4285f4}.full{width:100%;margin-top:18px}.toolbar{margin-bottom:17px}.search{display:flex;gap:8px;flex:1}.search input{max-width:360px}.form-control,.search input,.search select,.login-card input{width:100%;border:1px solid #cfd9dc;border-radius:8px;background:#fff;padding:10px 11px;font:inherit}.form-control:focus,.search input:focus{outline:3px solid #d8efec;border-color:var(--primary)}.form-panel{max-width:1280px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.field label,.login-card label{display:block;font-size:12px;font-weight:700;margin-bottom:6px}.field.wide{grid-column:1/-1}.field textarea{min-height:80px}.form-actions{justify-content:flex-end;margin-top:24px}.error-text{color:var(--danger)}.help-text{display:block;color:var(--muted);font-size:11px;margin-top:4px}.alert{padding:11px 14px;border-radius:8px;background:#e5f3ef;color:#155e54}.alert.error{background:#fde8e7;color:var(--danger)}.alert.warning{background:#fff4d5;color:#725500}.item-table select,.item-table input{min-width:90px}.item-table td:nth-child(1) select{min-width:180px}.item-table td:nth-child(2) input{min-width:260px}.delete-cell{color:var(--danger);font-size:11px}.row-deleted{opacity:.35;text-decoration:line-through}.sticky-actions{position:sticky;bottom:0;background:rgba(243,246,245,.95);padding:15px 0;justify-content:flex-end;z-index:2}.detail-head{background:white;border:1px solid var(--line);border-radius:13px;padding:22px;margin-bottom:20px;align-items:flex-start}.detail-head h2{margin:10px 0 3px}.detail-head p{margin:0;color:var(--muted)}.action-row{justify-content:flex-end;flex-wrap:wrap}.action-row form{margin:0}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.detail-grid dl{display:grid;grid-template-columns:140px 1fr;gap:8px}.detail-grid dt{color:var(--muted)}.detail-grid dd{margin:0}.totals{width:min(450px,100%);margin:18px 0 0 auto;background:white;border:1px solid var(--line);border-radius:12px;padding:15px 20px}.totals div{display:flex;justify-content:space-between;padding:8px}.totals .grand{border-top:2px solid var(--primary);color:var(--primary);font-size:18px}.totals>small{display:block;text-align:right;padding:7px;color:var(--muted)}.note-panel{margin-top:18px}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#cce8e3,#f3f6f5 50%)}.login-card{width:min(430px,calc(100% - 30px));background:white;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:0 20px 60px rgba(20,65,61,.12)}.login-card h1{margin:32px 0 4px}.login-card p{color:var(--muted);margin:0 0 24px}.login-card label{margin-top:14px}.login-brand{color:var(--ink)}.breakglass{margin-top:22px;border-top:1px solid var(--line);padding-top:16px}.breakglass summary{cursor:pointer;color:var(--muted);font-size:12px}.login-note{text-align:center;font-size:11px;margin-top:18px!important}.dashboard-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:20px;margin-bottom:22px}.summary-card{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:linear-gradient(135deg,#fff,#edf8f5)}.summary-card>div{padding:8px 4px}.summary-card span,.summary-card small{display:block;color:var(--muted)}.summary-card strong{display:block;font-size:28px;color:var(--primary);margin-top:8px}.quick-card{padding-top:16px}.quick-card h3{margin-bottom:10px}.quick-link{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding:12px 0;color:var(--ink)}.quick-link>span{width:32px;height:32px;border-radius:9px;background:var(--accent);display:grid;place-items:center;color:var(--primary);font-size:18px}.quick-link small,.list-line small{display:block;color:var(--muted)}.section-heading{margin-bottom:0;border-radius:13px 13px 0 0}.section-heading+.table-wrap{border-radius:0 0 13px 13px;border-top:0}.lower-grid{margin-top:22px}.list-line{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-top:1px solid var(--line);color:var(--ink)}.list-line>span{color:var(--muted);font-size:12px}.empty-inline{color:var(--muted);text-align:center;padding:18px}.form-section-head{display:flex;align-items:flex-start;gap:12px}.form-section-head>span{display:grid;place-items:center;width:29px;height:29px;border-radius:9px;background:var(--accent);color:var(--primary);font-weight:700}.form-section-head h2{margin:0}.form-section-head p{margin:2px 0 15px}.form-total{width:min(470px,100%);margin:18px 0 0 auto}.form-total>div{display:flex;justify-content:space-between;padding:6px 10px}.form-total .grand{border-top:2px solid var(--primary);font-size:18px;color:var(--primary)}
@media(max-width:1050px){.metric-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.detail-head{display:block}.action-row{justify-content:flex-start;margin-top:16px}}
@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{height:auto;position:static;padding:14px 18px;flex-direction:row;align-items:center;overflow:auto}.sidebar nav{display:flex;margin:0 0 0 25px}.sidebar-user{display:none}.topbar{padding:18px;height:auto}.content,.messages{padding:20px}.detail-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.wide{grid-column:auto}.search{flex-wrap:wrap}.search input{max-width:none}}
@media(max-width:560px){.metric-grid{grid-template-columns:1fr}.topbar .btn{display:none}.sidebar nav a{padding:8px}.brand span:last-child{display:none}.summary-card{grid-template-columns:1fr}.toolbar{align-items:stretch;flex-direction:column}.toolbar>.btn{width:100%}.content{padding:15px}.panel{padding:16px}}