/* ============================================================
   Signet — application shell, dashboard, detail, audit surfaces
   ============================================================ */
.app-shell{display:grid;grid-template-columns:232px 1fr;grid-template-rows:52px 1fr;height:100vh;
  grid-template-areas:"brand top" "side main"}
/* ---- top bar ---- */
.topbar{grid-area:top;display:flex;align-items:center;gap:12px;background:#fff;border-bottom:1px solid var(--line);padding:0 18px;z-index:60}
.topbar .global-search{position:relative;width:min(420px,40vw)}
.topbar .global-search .input{height:34px;border-radius:8px;background:var(--bg);border-color:transparent}
.topbar .global-search .input:focus{background:#fff;border-color:var(--accent)}
.top-search-results{position:absolute;top:40px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-4);max-height:400px;overflow:auto;padding:5px;z-index:2500}
.tsr-group{font-size:10.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-4);padding:8px 10px 3px}
.tsr-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:7px;cursor:pointer;width:100%;border:0;background:none;text-align:left}
.tsr-item:hover,.tsr-item.sel{background:var(--accent-50)}
.tsr-item .t{font-size:13.5px;font-weight:560;color:var(--ink)}
.tsr-item .s{font-size:12px;color:var(--ink-3)}
.icon-btn{width:34px;height:34px;border:0;background:transparent;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink-2);position:relative}
.icon-btn:hover{background:var(--slate-bg);color:var(--ink)}
.icon-btn .badge-dot{position:absolute;top:7px;right:7px;width:8px;height:8px;border-radius:50%;background:var(--red);border:1.5px solid #fff}
.user-chip{display:flex;align-items:center;gap:9px;padding:4px 8px 4px 4px;border:0;background:transparent;border-radius:999px;cursor:pointer}
.user-chip:hover{background:var(--slate-bg)}
.user-chip .who{text-align:left;line-height:1.2}
.user-chip .who .n{font-size:13px;font-weight:600;color:var(--ink)}
.user-chip .who .e{font-size:11px;color:var(--ink-3)}
.notif-panel{position:fixed;z-index:2600;width:360px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-4);overflow:hidden;animation:menu-in .14s ease}
.notif-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line)}
.notif-head h3{font-size:14px}
.notif-list{max-height:380px;overflow:auto}
.notif-item{display:flex;gap:10px;padding:11px 14px;border-bottom:1px solid var(--line);cursor:pointer}
.notif-item:hover{background:#FAFBFD}
.notif-item:last-child{border-bottom:0}
.notif-item .ic{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.notif-item .tx{font-size:12.8px;color:var(--ink-2);line-height:1.4}
.notif-item .tx b{color:var(--ink);font-weight:620}
.notif-item .tm{font-size:11px;color:var(--ink-4);margin-top:2px}
.notif-item.unread{background:var(--accent-50)}
.notif-item.unread:hover{background:#E3ECFD}

/* ---- sidebar ---- */
.brandbar{grid-area:brand;display:flex;align-items:center;gap:9px;background:var(--navy);color:#fff;padding:0 14px;border-bottom:1px solid var(--navy-line)}
.brandbar .logo{width:26px;height:26px;border-radius:7px;background:var(--accent);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.brandbar .name{font-size:15.5px;font-weight:700;letter-spacing:-.01em}
.brandbar .plan{margin-left:auto;font-size:9.5px;font-weight:700;letter-spacing:.06em;background:rgba(255,255,255,.12);padding:2px 6px;border-radius:4px;color:#B9C6E2}
.sidebar{grid-area:side;background:var(--navy);color:#C3CDE4;display:flex;flex-direction:column;padding:10px 10px 12px;overflow-y:auto}
.side-label{font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#5D6C8E;padding:14px 10px 6px}
.side-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;font-size:13.5px;font-weight:530;color:#C3CDE4;cursor:pointer;border:0;background:none;width:100%;text-align:left;margin-bottom:1px;transition:background .13s}
.side-item svg{color:#8291B3;flex:0 0 auto}
.side-item:hover{background:rgba(255,255,255,.06);color:#fff}
.side-item.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(44,95,246,.35)}
.side-item.active svg{color:#fff}
.side-item .count{margin-left:auto;font-size:11px;font-weight:650;background:rgba(255,255,255,.13);border-radius:99px;padding:1px 7px;color:#DCE4F5}
.side-item.active .count{background:rgba(255,255,255,.22);color:#fff}
.side-cta{margin-top:auto;background:linear-gradient(150deg,#1B2C55,#152142);border:1px solid var(--navy-line);border-radius:12px;padding:14px}
.side-cta .h{font-size:13px;font-weight:650;color:#fff;margin-bottom:3px}
.side-cta .p{font-size:11.5px;color:#93A2C6;line-height:1.45;margin-bottom:10px}
.side-foot{display:flex;align-items:center;gap:8px;padding:12px 6px 2px;color:#5D6C8E;font-size:11px}

/* ---- main region ---- */
.main{grid-area:main;overflow-y:auto;position:relative;outline:none}
.page{padding:24px 28px 60px;max-width:1240px;margin:0 auto}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.page-head h1{font-size:21px;display:flex;align-items:center;gap:10px}
.page-head .sub{color:var(--ink-3);font-size:13px;margin-top:4px}
.crumbs{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-4);margin-bottom:6px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--accent)}

/* ---- tabs ---- */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:14px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{border:0;background:none;padding:9px 14px 11px;font-size:13.5px;font-weight:560;color:var(--ink-3);cursor:pointer;position:relative;display:flex;align-items:center;gap:7px;white-space:nowrap}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--accent-700)}
.tab .n{font-size:11px;font-weight:650;background:var(--slate-bg);color:var(--ink-3);border-radius:99px;padding:1px 7px}
.tab.active .n{background:var(--accent-100);color:var(--accent-700)}
.tab::after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:2.5px;border-radius:3px 3px 0 0;background:transparent;transition:background .15s}
.tab.active::after{background:var(--accent)}

/* ---- dashboard list ---- */
.list-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.list-toolbar .search-box{width:280px;max-width:100%}
.bulkbar{display:flex;align-items:center;gap:8px;background:var(--navy);color:#fff;border-radius:10px;padding:7px 8px 7px 14px;margin-bottom:12px;animation:bulk-in .18s ease}
@keyframes bulk-in{from{opacity:0;transform:translateY(-4px)}}
.bulkbar .txt{font-size:13px;font-weight:560;margin-right:6px}
.bulkbar .btn{height:30px;background:rgba(255,255,255,.1);color:#fff;border-color:transparent}
.bulkbar .btn:hover{background:rgba(255,255,255,.2)}
.bulkbar .btn.danger-ghost{color:#FF9B9B}
.bulkbar .btn.danger-ghost:hover{background:rgba(214,69,69,.25)}
.env-row{display:grid;grid-template-columns:30px minmax(220px,2.2fr) 1.4fr 150px 130px 120px 34px;gap:10px;align-items:center;padding:13px 14px;border-bottom:1px solid var(--line);cursor:pointer}
.env-row:hover{background:#FAFBFD}
.env-row:last-child{border-bottom:0}
.env-row .name{font-weight:600;font-size:14px;color:var(--ink);display:flex;align-items:center;gap:8px;min-width:0}
.env-row .name .t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.env-row .who{display:flex;align-items:center;gap:8px;min-width:0;font-size:13px;color:var(--ink-2)}
.env-row .who .sub{font-size:11.5px;color:var(--ink-4)}
.env-row .datecol{font-size:12.5px;color:var(--ink-3);line-height:1.35}
.env-row .datecol b{display:block;font-size:12.5px;color:var(--ink-2);font-weight:600}
.progress-dots{display:flex;align-items:center;gap:5px}
.pdot{width:22px;height:6px;border-radius:3px;background:#DFE4EC;position:relative;overflow:hidden}
.pdot.done{background:var(--green)}
.pdot.partial{background:var(--green-bg)}
.pdot.partial::after{content:"";position:absolute;left:0;top:0;bottom:0;width:55%;background:var(--green)}
.pdot.off{background:#EDF0F4}
.type-ic{width:34px;height:34px;border-radius:8px;background:var(--slate-bg);display:flex;align-items:center;justify-content:center;color:var(--ink-3);flex:0 0 auto}
.more-btn{width:30px;height:30px;border:0;background:transparent;border-radius:7px;cursor:pointer;color:var(--ink-4);display:flex;align-items:center;justify-content:center}
.more-btn:hover{background:var(--slate-bg);color:var(--ink)}
.list-foot{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;color:var(--ink-3);font-size:12.5px}
.pager{display:flex;gap:4px;align-items:center}
.pager button{min-width:28px;height:28px;border:1px solid var(--line-2);background:#fff;border-radius:6px;cursor:pointer;font-size:12.5px;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;padding:0 6px}
.pager button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.pager button.cur{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:650}
.pager button:disabled{opacity:.4;cursor:default}
.checkbox-cell{width:16px;height:16px}

/* ---- envelope detail ---- */
.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}
.detail-hero{padding:20px 22px;display:flex;gap:16px;align-items:flex-start;margin-bottom:16px}
.detail-hero .actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.doc-strip{display:flex;align-items:center;gap:12px;padding:12px 14px}
.doc-thumb{width:34px;height:44px;border:1px solid var(--line-2);border-radius:4px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--ink-4);box-shadow:var(--shadow-1);flex:0 0 auto}
.panel{margin-bottom:16px}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-bottom:1px solid var(--line)}
.panel-head h3{font-size:14px}
.rc-line{display:flex;align-items:center;gap:11px;padding:12px 16px;border-bottom:1px solid var(--line);position:relative}
.rc-line:last-child{border-bottom:0}
.rc-line.current{background:linear-gradient(90deg,var(--accent-50),transparent 70%)}
.rc-line .info{min-width:0}
.rc-line .nm{font-size:13.5px;font-weight:600;display:flex;align-items:center;gap:7px}
.rc-line .em{font-size:12px;color:var(--ink-3)}
.rc-line .role-tag{font-size:10.5px;font-weight:650;letter-spacing:.03em;color:var(--ink-4);background:var(--bg);padding:1px 6px;border-radius:4px;text-transform:uppercase}
.rc-line .right{margin-left:auto;display:flex;align-items:center;gap:8px}
.order-chip{width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;background:var(--slate-bg);color:var(--ink-2);flex:0 0 auto}
.order-chip.done{background:var(--green);color:#fff}
.order-chip.active{background:var(--accent);color:#fff;box-shadow:0 0 0 3px var(--accent-100)}
.timeline{position:relative;padding:6px 16px 12px}
.tl-item{display:grid;grid-template-columns:30px 1fr;gap:12px;position:relative;padding:9px 0}
.tl-item::before{content:"";position:absolute;left:14.5px;top:38px;bottom:-10px;width:1.5px;background:var(--line-2)}
.tl-item:last-child::before{display:none}
.tl-ic{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--slate-bg);color:var(--ink-3);z-index:1;border:1.5px solid #fff;box-shadow:var(--shadow-1)}
.tl-item.primary .tl-ic{background:var(--accent-50);color:var(--accent-700)}
.tl-item.good .tl-ic{background:var(--green-bg);color:var(--green)}
.tl-item.bad .tl-ic{background:var(--red-bg);color:var(--red)}
.tl-ev{font-size:13.5px;font-weight:600;color:var(--ink)}
.tl-desc{font-size:12.5px;color:var(--ink-2);line-height:1.45}
.tl-meta{font-size:11.5px;color:var(--ink-4);margin-top:2px;display:flex;gap:8px;flex-wrap:wrap}
.cert-banner{background:linear-gradient(135deg,#0E2A24,#123B2F);border-radius:12px;color:#fff;padding:18px 20px;display:flex;align-items:center;gap:16px}
.cert-banner h3{color:#fff;font-size:15px}
.cert-banner p{margin:3px 0 0;font-size:12.5px;color:#9FCCB8}
.cert-id{font-family:ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.06em;color:#7FBFA4}

/* certificate page */
.cert-paper{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line-2);box-shadow:var(--shadow-page);padding:48px 56px;border-radius:4px}
.cert-paper h2{text-align:center;font-size:19px;letter-spacing:.02em;margin-bottom:2px}
.cert-paper .cert-sub{text-align:center;color:var(--ink-3);font-size:12px;margin-bottom:22px}
.cert-sec{border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin-bottom:14px}
.cert-sec h4{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-4);margin-bottom:8px}
.cert-kv{display:grid;grid-template-columns:170px 1fr;gap:4px 12px;font-size:13px}
.cert-kv dt{color:var(--ink-3)}
.cert-kv dd{margin:0;color:var(--ink);font-weight:520}
.cert-stamp{margin-top:18px;display:flex;align-items:center;gap:14px;justify-content:center;color:var(--green);border:1.5px dashed #BCE3D2;border-radius:10px;padding:12px}
.cert-legal{font-size:10.8px;color:var(--ink-4);line-height:1.55;margin-top:16px;text-align:justify}

/* ---- templates ---- */
.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.tpl-card{position:relative;padding:18px;display:flex;flex-direction:column;gap:10px}
.tpl-card .prev{height:120px;border-radius:8px;background:var(--canvas);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.tpl-card .prev .pg{width:56px;height:74px;background:#fff;border:1px solid var(--line-2);box-shadow:var(--shadow-1);border-radius:3px;position:absolute;top:24px;left:50%;display:flex;flex-direction:column;padding:6px 5px;gap:3px}
.tpl-card .prev .pg::before,.tpl-card .prev .pg::after{content:"";height:3px;background:#E3E7EE;border-radius:2px}
.tpl-card .prev .pg::after{width:60%}
.tpl-card .prev .pg.p2{left:calc(50% - 20px);transform:rotate(-5deg);opacity:.85}
.tpl-card .prev .pg.p1{transform:rotate(4deg);z-index:1}
.tpl-card h3{font-size:14.5px;padding-right:22px}
.tpl-card .desc{font-size:12.5px;color:var(--ink-3);min-height:34px}
.tpl-card .meta{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--ink-4);margin-top:auto;padding-top:6px;border-top:1px solid var(--line)}
.fav-btn{position:absolute;top:12px;right:12px;border:0;background:none;cursor:pointer;color:#C4CDDC;padding:4px;border-radius:6px}
.fav-btn:hover{background:var(--slate-bg)}
.fav-btn.on{color:#E8A712}

/* ---- library / contacts ---- */
.lib-upload{border:2px dashed var(--line-2);border-radius:12px;background:#FAFBFD;display:flex;align-items:center;justify-content:center;gap:12px;padding:22px;color:var(--ink-3);cursor:pointer;transition:all .15s;margin-bottom:16px;font-size:13.5px}
.lib-upload:hover,.lib-upload.over{border-color:var(--accent);background:var(--accent-50);color:var(--accent-700)}
.ficon{width:38px;height:46px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:9px;font-weight:800;letter-spacing:.03em;flex:0 0 auto;box-shadow:var(--shadow-1)}

/* ---- settings ---- */
.settings-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px;align-items:start}
.settings-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:0}
.snav-item{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;border:0;background:none;font-size:13.5px;font-weight:540;color:var(--ink-2);cursor:pointer;text-align:left}
.snav-item svg{color:var(--ink-4)}
.snav-item:hover{background:var(--slate-bg)}
.snav-item.active{background:var(--accent-50);color:var(--accent-700);font-weight:640}
.snav-item.active svg{color:var(--accent)}
.set-card{margin-bottom:16px}
.set-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 18px;border-bottom:1px solid var(--line)}
.set-row:last-child{border-bottom:0}
.set-row .t{font-size:13.5px;font-weight:580}
.set-row .d{font-size:12px;color:var(--ink-3);margin-top:2px;max-width:420px}
.sig-preview{border:1px solid var(--line-2);border-radius:10px;background:linear-gradient(180deg,#fff, #FBFCFE);min-height:96px;display:flex;align-items:center;justify-content:center;padding:12px;position:relative}
.sig-preview .lbl{position:absolute;bottom:6px;right:10px;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#B6C0D2}
.sig-preview img{max-height:64px;max-width:80%}
.font-opt{border:1.5px solid var(--line-2);border-radius:10px;padding:10px 8px 6px;text-align:center;cursor:pointer;background:#fff;transition:all .12s}
.font-opt:hover{border-color:#B9C6DE}
.font-opt.sel{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-100)}
.font-opt .fx{font-size:26px;line-height:1.3;color:var(--ink);white-space:nowrap;overflow:hidden}
.font-opt .fn{font-size:10px;color:var(--ink-4);margin-top:3px}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.swatch-opt{width:30px;height:30px;border-radius:50%;cursor:pointer;border:2px solid #fff;box-shadow:0 0 0 1.5px var(--line-2);transition:transform .1s}
.swatch-opt:hover{transform:scale(1.1)}
.swatch-opt.sel{box-shadow:0 0 0 2.5px var(--ink)}

/* responsive shell */
.side-toggle{display:none}
@media (max-width: 1080px){
  .env-row{grid-template-columns:30px minmax(180px,2fr) 1.2fr 120px 34px}
  .env-row .datecol,.env-row .progress-cell{display:none}
  .detail-grid{grid-template-columns:1fr}
}
@media (max-width: 860px){
  .app-shell{grid-template-columns:1fr;grid-template-areas:"top" "main"}
  .brandbar{display:none}
  .sidebar{position:fixed;z-index:120;left:0;top:0;bottom:0;width:250px;transform:translateX(-102%);transition:transform .22s ease;box-shadow:var(--shadow-4)}
  .sidebar.open{transform:none}
  .side-toggle{display:inline-flex}
  .side-scrim{position:fixed;inset:0;background:rgba(15,22,38,.45);z-index:110}
  .settings-grid{grid-template-columns:1fr}
  .settings-nav{flex-direction:row;overflow-x:auto;position:static;padding-bottom:4px}
  .page{padding:18px 16px 60px}
  .cert-paper{padding:30px 20px}
}
@media (max-width: 640px){
  .env-row{grid-template-columns:minmax(140px,1fr) 100px 34px}
  .env-row .type-ic,.env-row .who-cell{display:none}
  .topbar .global-search{width:0;flex:1}
  .user-chip .who{display:none}
}