[hidden]{display:none!important}
:root{--bg:#f4f1ea;--paper:#fffdf8;--ink:#1e2230;--muted:#6b6f7c;--line:#ddd6c8;--accent:#1f4e79;
--accent-2:#b0413e;--ok:#2e7d4f;--warn:#b7791f;--radius:10px;--font:"Sarabun","TH Sarabun New","Noto Sans Thai",system-ui,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 var(--font)}
a{color:var(--accent)}
header.top{display:flex;align-items:center;gap:1rem;padding:.6rem 1.2rem;background:var(--ink);color:#f4f1ea;flex-wrap:wrap}
header.top .brand{font-weight:700;letter-spacing:.02em;color:#fff;text-decoration:none}
header.top .brand small{font-weight:400;opacity:.6;margin-left:.4rem}
header.top nav{display:flex;gap:1rem;margin-left:auto;flex-wrap:wrap}
header.top nav a{color:#e6dfcf;text-decoration:none}
header.top nav a:hover{color:#fff}
main{max-width:1180px;margin:0 auto;padding:1.2rem 1rem 3rem}
main.wide{max-width:none;padding:0}
h1{font-size:1.45rem;margin:.2rem 0 1rem}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem}
.btn{display:inline-flex;align-items:center;gap:.35rem;border:1px solid var(--line);background:#fff;color:var(--ink);
border-radius:8px;padding:.38rem .8rem;font:inherit;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.danger{color:var(--accent-2);border-color:#e7c3c1}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.sm{padding:.18rem .5rem;font-size:.85rem}
input,select,textarea{font:inherit;border:1px solid var(--line);border-radius:8px;padding:.4rem .6rem;background:#fff;width:100%}
label{display:block;font-size:.85rem;color:var(--muted);margin:.4rem 0 .15rem}
.grid{display:grid;gap:.8rem}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
table.list{width:100%;border-collapse:collapse;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table.list th,table.list td{padding:.55rem .7rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.list th{background:#ece6d9;font-weight:600;font-size:.88rem}
.badge{display:inline-block;padding:.05rem .5rem;border-radius:999px;font-size:.8rem;border:1px solid var(--line);background:#fff}
.badge.DRAFT{color:var(--warn);border-color:#ecd6a7}
.badge.SIGNED{color:#fff;background:var(--ok);border-color:var(--ok)}
.muted{color:var(--muted)}
.flash{padding:.6rem .8rem;border-radius:8px;margin:.5rem 0;border:1px solid}
.flash.err{background:#fbeceb;border-color:#e7c3c1;color:#7b2320}
.flash.warn{background:#fdf5e4;border-color:#ecd6a7;color:#6b4a0d}
.flash.ok{background:#e9f5ee;border-color:#b9dcc6;color:#1f5335}
.row{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
/* หน้าหนังสือ */
.edoc-shell{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 48px)}
.edoc-side{background:var(--paper);border-right:1px solid var(--line);padding:1rem;overflow:auto;max-height:calc(100vh - 48px);position:sticky;top:0}
.edoc-main{display:flex;flex-direction:column;min-width:0}
.tabs{display:flex;gap:.2rem;padding:.5rem .8rem 0;background:#ece6d9;border-bottom:1px solid var(--line);overflow-x:auto}
.tab{padding:.45rem .9rem;border:1px solid transparent;border-bottom:none;border-radius:8px 8px 0 0;cursor:pointer;white-space:nowrap;background:none;font:inherit;color:var(--muted)}
.tab.active{background:var(--paper);border-color:var(--line);color:var(--ink);font-weight:600}
.toolbar{display:flex;gap:.4rem;align-items:center;padding:.5rem .8rem;background:var(--paper);border-bottom:1px solid var(--line);flex-wrap:wrap}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:none;background:#fff;padding:.35rem .8rem;font:inherit;cursor:pointer}
.seg button.on{background:var(--accent);color:#fff}
.stage{flex:1;position:relative;min-height:70vh;background:#e4ded2}
#editor-host{position:absolute;inset:0}
.pdf-view{position:absolute;inset:0;overflow:auto;padding:1rem 0}
.pdf-page{position:relative;margin:0 auto 1rem;box-shadow:0 1px 4px rgba(0,0,0,.18);background:#fff}
.pdf-page canvas{display:block;width:100%;height:100%}
.pdf-page .pno{position:absolute;right:-2.6rem;top:0;font-size:.8rem;color:var(--muted)}
.slot{position:absolute;border:1.5px dashed var(--accent);background:rgba(31,78,121,.07);touch-action:none;user-select:none}
.slot .tag{position:absolute;left:0;top:-1.25rem;font-size:.72rem;background:var(--accent);color:#fff;padding:0 .35rem;border-radius:4px;white-space:nowrap}
.slot.SIGNATURE{border-color:var(--accent-2);background:rgba(176,65,62,.07)}
.slot.SIGNATURE .tag{background:var(--accent-2)}
.slot.sel{outline:2px solid #f0b429}
.slot .h{position:absolute;right:-6px;bottom:-6px;width:12px;height:12px;background:#fff;border:2px solid var(--accent);border-radius:3px;cursor:nwse-resize}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:bottom center;opacity:.55;pointer-events:none}
.slot .txt{position:absolute;inset:0;font-size:12px;overflow:hidden;color:var(--accent);padding:0 2px;pointer-events:none}
.readonly .slot{border-style:dotted;pointer-events:none}
.readonly .slot .h{display:none}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{display:flex;gap:.3rem;align-items:center;padding:.35rem 0;border-bottom:1px dashed var(--line);font-size:.92rem}
.side-list li .name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.section-title{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:1.1rem 0 .3rem;font-weight:700}
dialog{border:1px solid var(--line);border-radius:12px;padding:1.1rem;max-width:min(560px,94vw);background:var(--paper)}
dialog::backdrop{background:rgba(20,22,30,.45)}
.sig-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:.8rem}
.sig-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:.7rem}
.sig-card .img{height:110px;display:flex;align-items:center;justify-content:center;
background:repeating-conic-gradient(#eee 0 25%,#fff 0 50%) 0 0/16px 16px;border-radius:6px;margin-bottom:.5rem}
.sig-card img{max-width:100%;max-height:100%}
.sig-card.off{opacity:.5}
.pad-wrap{border:1px solid var(--line);border-radius:8px;background:#fff}
.pad-wrap canvas{width:100%;height:200px;display:block;touch-action:none}
.busy{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(244,241,234,.7);font-size:1.05rem;z-index:5}
@media (max-width:860px){.edoc-shell{grid-template-columns:1fr}.edoc-side{position:static;max-height:none;border-right:none;border-bottom:1px solid var(--line)}.pdf-page .pno{display:none}}
/* โฟลเดอร์ */
.crumbs{font-size:.92rem;margin:.1rem 0 .6rem;overflow-wrap:anywhere}
.crumbs a{text-decoration:none}
.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.7rem}
.folder-card{display:flex;gap:.6rem;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:.7rem .9rem;color:var(--ink);text-decoration:none;min-width:0}
.folder-card:hover{border-color:var(--accent)}
.folder-card .ico{font-size:1.5rem;line-height:1}
.folder-card .name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.folder-card .sub{font-size:.82rem;color:var(--muted)}