/* ============================================================
   Cabinet Shop CRM — Stylesheet
   ============================================================ */
:root{
  --bg:#0f1419;
  --bg-2:#161c24;
  --panel:#1b232d;
  --panel-2:#212b37;
  --panel-3:#28333f;
  --border:#2c3846;
  --border-2:#3a4756;
  --text:#e8edf2;
  --text-2:#9fb0c0;
  --text-3:#6b7d8f;
  --accent:#e08a3c;
  --accent-2:#f0a35c;
  --accent-dim:rgba(224,138,60,.14);
  --blue:#4a9eff;
  --green:#3ecf8e;
  --red:#f0616d;
  --yellow:#f0c04a;
  --purple:#a78bfa;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 8px 30px rgba(0,0,0,.35);
  --shadow-sm:0 2px 10px rgba(0,0,0,.25);
  --sidebar-w:250px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'SF Mono',ui-monospace,'Cascadia Code',Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:14px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:6px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#4a5a6b}

/* ---------- Layout ---------- */
#app{display:flex;height:100vh;width:100vw}
#sidebar{
  width:var(--sidebar-w);flex-shrink:0;background:var(--bg-2);
  border-right:1px solid var(--border);display:flex;flex-direction:column;
  transition:margin-left .25s ease;
}
#sidebar.collapsed{margin-left:calc(-1 * var(--sidebar-w))}
.brand{
  padding:18px 18px 14px;display:flex;align-items:center;gap:11px;
  border-bottom:1px solid var(--border);
}
.brand-logo{
  width:44px;height:44px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),#b8651f);
  display:grid;place-items:center;font-size:20px;overflow:hidden;
  box-shadow:0 4px 14px rgba(224,138,60,.35);
}
.brand-logo img{width:100%;height:100%;object-fit:cover;display:block}
.brand-text h1{font-size:15px;font-weight:700;letter-spacing:-.2px}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.4px;text-transform:uppercase}
.nav{flex:1;overflow-y:auto;padding:12px 10px}
.nav-group-label{
  font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--text-3);
  padding:14px 10px 6px;font-weight:600;
}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:var(--radius-sm);
  color:var(--text-2);cursor:pointer;font-weight:500;font-size:13.5px;
  transition:all .15s;user-select:none;position:relative;
}
.nav-item:hover{background:var(--panel);color:var(--text)}
.nav-item.active{background:var(--accent-dim);color:var(--accent-2)}
.nav-item.active::before{
  content:'';position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--accent);border-radius:0 3px 3px 0;
}
.nav-item .ico{width:18px;text-align:center;font-size:15px}
.nav-item .badge{
  margin-left:auto;background:var(--panel-3);color:var(--text-2);font-size:10.5px;
  padding:1px 7px;border-radius:20px;font-weight:600;
}
.nav-item.active .badge{background:var(--accent);color:#1a1206}
.nav-group-toggle{
  display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:var(--radius-sm);
  color:var(--text-2);cursor:pointer;font-weight:600;font-size:13.5px;transition:all .15s;user-select:none;
}
.nav-group-toggle:hover{background:var(--panel);color:var(--text)}
.nav-group-toggle.active{color:var(--accent-2)}
.nav-group-toggle .caret{width:14px;text-align:center;font-size:10px;transition:transform .18s;color:var(--text-3)}
.nav-group-toggle.open .caret{transform:rotate(90deg)}
.nav-group-toggle .badge{
  margin-left:auto;background:var(--panel-3);color:var(--text-2);font-size:10.5px;
  padding:1px 7px;border-radius:20px;font-weight:600;
}
.nav-sub{padding-left:8px;margin-left:9px;border-left:1px solid var(--border)}
.nav-item.sub{font-size:13px;padding:8px 11px}
.sidebar-foot{padding:12px;border-top:1px solid var(--border);font-size:11px;color:var(--text-3)}

#main{flex:1;display:flex;flex-direction:column;min-width:0}
#topbar{
  height:58px;flex-shrink:0;border-bottom:1px solid var(--border);background:var(--bg-2);
  display:flex;align-items:center;gap:14px;padding:0 20px;
}
.icon-btn{
  width:34px;height:34px;border-radius:var(--radius-sm);border:1px solid var(--border);
  background:var(--panel);color:var(--text-2);cursor:pointer;display:grid;place-items:center;
  font-size:15px;transition:all .15s;
}
.icon-btn:hover{background:var(--panel-2);color:var(--text);border-color:var(--border-2)}
#page-title{font-size:17px;font-weight:700;letter-spacing:-.3px}
#page-sub{font-size:12px;color:var(--text-3)}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{
  display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:7px 12px;width:260px;transition:border-color .15s;
}
.search-box:focus-within{border-color:var(--accent)}
.search-box input{background:none;border:none;outline:none;color:var(--text);font-size:13px;width:100%;font-family:var(--font)}
.search-box input::placeholder{color:var(--text-3)}
#content{flex:1;overflow-y:auto;padding:24px;scroll-behavior:smooth}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:var(--radius-sm);
  border:1px solid var(--border-2);background:var(--panel-2);color:var(--text);cursor:pointer;
  font-size:13px;font-weight:600;font-family:var(--font);transition:all .15s;white-space:nowrap;
}
.btn:hover{background:var(--panel-3);border-color:#4a5a6b}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#1a1206}
.btn-primary:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--text-2)}
.btn-ghost:hover{background:var(--panel);color:var(--text)}
.btn-danger{background:transparent;border-color:rgba(240,97,109,.4);color:var(--red)}
.btn-danger:hover{background:rgba(240,97,109,.12)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-xs{padding:3px 8px;font-size:11px;border-radius:6px}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* ---------- Cards / Panels ---------- */
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow-sm);
}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:12px}
.card-head h3{font-size:14.5px;font-weight:700}
.card-head .sub{font-size:12px;color:var(--text-3);font-weight:400}

/* ---------- KPI ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:22px}
.kpi{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;
  position:relative;overflow:hidden;
}
.kpi::after{content:'';position:absolute;top:0;left:0;width:3px;height:100%;background:var(--accent)}
.kpi.blue::after{background:var(--blue)}.kpi.green::after{background:var(--green)}
.kpi.yellow::after{background:var(--yellow)}.kpi.purple::after{background:var(--purple)}
.kpi .kpi-label{font-size:11.5px;color:var(--text-3);text-transform:uppercase;letter-spacing:.6px;font-weight:600}
.kpi .kpi-value{font-size:26px;font-weight:800;letter-spacing:-.8px;margin-top:6px}
.kpi .kpi-foot{font-size:11.5px;color:var(--text-3);margin-top:4px}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel)}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{
  text-align:left;padding:11px 14px;font-size:11px;text-transform:uppercase;letter-spacing:.6px;
  color:var(--text-3);font-weight:700;border-bottom:1px solid var(--border);background:var(--panel-2);
  white-space:nowrap;position:sticky;top:0;
}
tbody td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .12s}
tbody tr:hover{background:var(--panel-2)}
tbody tr.clickable{cursor:pointer}
.t-right{text-align:right}
.t-center{text-align:center}
.t-mono{font-family:var(--mono);font-size:12.5px}
.t-muted{color:var(--text-3)}
.t-strong{font-weight:700}
.empty-state{padding:50px 20px;text-align:center;color:var(--text-3)}
.empty-state .big{font-size:40px;margin-bottom:10px;opacity:.5}
.empty-state h3{color:var(--text-2);font-size:15px;margin-bottom:5px}

/* ---------- Badges / Pills ---------- */
.pill{
  display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;
  font-size:11px;font-weight:700;letter-spacing:.2px;text-transform:capitalize;
}
.pill::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.draft{background:rgba(159,176,192,.14);color:var(--text-2)}
.pill.sent,.pill.open,.pill.unpaid{background:rgba(74,158,255,.15);color:var(--blue)}
.pill.accepted,.pill.paid,.pill.completed,.pill.ready{background:rgba(62,207,142,.15);color:var(--green)}
.pill.declined,.pill.overdue,.pill.cancelled{background:rgba(240,97,109,.15);color:var(--red)}
.pill.partial,.pill.in-production,.pill.production{background:rgba(240,192,74,.15);color:var(--yellow)}
.pill.converted{background:rgba(167,139,250,.15);color:var(--purple)}
.pill.green{background:rgba(62,207,142,.15);color:var(--green)}
.tag{
  display:inline-block;padding:2px 8px;border-radius:6px;background:var(--panel-3);
  color:var(--text-2);font-size:11px;font-weight:600;
}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.field{display:flex;flex-direction:column;gap:5px}
.field.full{grid-column:1/-1}
.field label{font-size:11.5px;font-weight:600;color:var(--text-2);letter-spacing:.2px}
.field label .req{color:var(--red)}
.check-field{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:500;color:var(--text-2);cursor:pointer;user-select:none;padding-top:2px}
.check-field input[type=checkbox]{width:15px;height:15px;flex:none;accent-color:var(--accent);cursor:pointer;margin:0}
input,select,textarea{
  background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:9px 11px;color:var(--text);font-size:13px;font-family:var(--font);outline:none;
  transition:border-color .15s,box-shadow .15s;width:100%;
}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
input::placeholder,textarea::placeholder{color:var(--text-3)}
textarea{resize:vertical;min-height:70px}
select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239fb0c0' d='M6 8L2 4h8z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:30px}
input[type=number]{font-family:var(--mono)}
.hint{font-size:11px;color:var(--text-3)}
.section-title{
  font-size:12px;text-transform:uppercase;letter-spacing:.8px;color:var(--accent-2);
  font-weight:700;margin:22px 0 12px;padding-bottom:7px;border-bottom:1px solid var(--border);
}
.section-title:first-child{margin-top:0}

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(6,9,12,.72);backdrop-filter:blur(4px);
  display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;z-index:1000;
  overflow-y:auto;animation:fadeIn .18s ease;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.modal{
  background:var(--panel);border:1px solid var(--border-2);border-radius:16px;width:100%;
  max-width:720px;box-shadow:var(--shadow);animation:slideUp .22s ease;margin:auto;
}
.modal.wide{max-width:1000px}
.modal.narrow{max-width:460px}
.modal-head{
  display:flex;align-items:center;justify-content:space-between;padding:18px 22px;
  border-bottom:1px solid var(--border);
}
.modal-head h2{font-size:16px;font-weight:700}
.modal-head .sub{font-size:12px;color:var(--text-3);margin-top:2px}
.modal-body{padding:22px;max-height:calc(100vh - 220px);overflow-y:auto}
.modal-foot{
  display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:16px 22px;
  border-top:1px solid var(--border);background:var(--bg-2);border-radius:0 0 16px 16px;
}
.modal-foot .left{margin-right:auto}

/* ---------- Toast ---------- */
#toasts{position:fixed;bottom:22px;right:22px;z-index:2000;display:flex;flex-direction:column;gap:10px}
.toast{
  background:var(--panel-2);border:1px solid var(--border-2);border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);padding:12px 16px;box-shadow:var(--shadow);min-width:260px;
  animation:slideUp .2s ease;font-size:13px;display:flex;gap:10px;align-items:center;
}
.toast.success{border-left-color:var(--green)}
.toast.error{border-left-color:var(--red)}
.toast.info{border-left-color:var(--blue)}

/* ---------- Builder layout ---------- */
.builder-grid{display:grid;grid-template-columns:1fr 380px;gap:20px;align-items:start}
@media(max-width:1100px){.builder-grid{grid-template-columns:1fr}}
.cost-panel{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;position:sticky;top:0;
}
.cost-row{display:flex;justify-content:space-between;padding:7px 0;font-size:13px;border-bottom:1px dashed var(--border)}
.cost-row:last-of-type{border-bottom:none}
.cost-row .lbl{color:var(--text-2)}
.cost-row .val{font-family:var(--mono);font-weight:600}
.cost-total{
  display:flex;justify-content:space-between;align-items:baseline;margin-top:12px;padding-top:14px;
  border-top:2px solid var(--border-2);
}
.cost-total .lbl{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.cost-total .val{font-size:26px;font-weight:800;color:var(--accent-2);font-family:var(--mono);letter-spacing:-1px}

/* ---------- 3D Designer cabinet run ---------- */
.run-empty{
  padding:18px;border:1px dashed var(--border);border-radius:var(--radius-sm);
  color:var(--text-3);font-size:13px;line-height:1.6;text-align:center;background:var(--bg-2);
}
.run-empty strong{color:var(--accent)}
.run-summary{
  display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;
  padding:11px 14px;margin-bottom:12px;border-radius:var(--radius-sm);
  background:linear-gradient(90deg,rgba(56,189,248,.12),rgba(56,189,248,.03));
  border:1px solid rgba(56,189,248,.35);font-size:13px;color:var(--text-2);
}
.run-summary strong{color:var(--text);font-weight:700}

/* ---------- Line items ---------- */
.line-items{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.li-head,.li-row{display:grid;grid-template-columns:2.4fr .7fr 1fr 1fr 1fr 40px;gap:10px;padding:10px 14px;align-items:center}
.li-head{background:var(--panel-2);font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-3);font-weight:700}
.li-row{border-top:1px solid var(--border);font-size:13px}
.li-row:hover{background:var(--panel-2)}
.li-row .name{font-weight:600}
.li-row .name small{display:block;color:var(--text-3);font-weight:400;font-size:11px}
.li-toggle{display:inline-block;margin-top:4px;font-size:10.5px;color:var(--accent-2);cursor:pointer;font-weight:600}
.li-toggle:hover{text-decoration:underline}
.li-detail{padding:12px 14px;border-top:1px solid var(--border);background:var(--panel-2)}
.li-detail-head{font-size:12px;font-weight:700;margin-bottom:8px;display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.li-detail-actions{margin-left:auto;display:flex;gap:6px}
.li-row input{padding:5px 8px;font-size:12.5px}
.li-row .del{color:var(--text-3);cursor:pointer;text-align:center;font-size:15px}
.li-row .del:hover{color:var(--red)}
.li-actions{display:flex;gap:8px;justify-content:center;align-items:center}
.li-edit{color:var(--accent-2);cursor:pointer;font-size:14px;line-height:1}
.li-edit:hover{color:var(--accent)}

/* ---------- Totals box ---------- */
.totals-box{margin-left:auto;width:320px;max-width:100%}
.totals-box .row{display:flex;justify-content:space-between;padding:6px 0;font-size:13px}
.totals-box .row .lbl{color:var(--text-2)}
.totals-box .row .val{font-family:var(--mono);font-weight:600}
.totals-box .grand{
  display:flex;justify-content:space-between;margin-top:10px;padding-top:12px;
  border-top:2px solid var(--border-2);font-size:18px;font-weight:800;
}
.totals-box .grand .val{color:var(--accent-2);font-family:var(--mono)}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px}
.tab{
  padding:9px 16px;cursor:pointer;color:var(--text-2);font-weight:600;font-size:13px;
  border-bottom:2px solid transparent;transition:all .15s;margin-bottom:-1px;
}
.tab:hover{color:var(--text)}
.tab.active{color:var(--accent-2);border-bottom-color:var(--accent)}

/* ---------- Misc ---------- */
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.toolbar .spacer{flex:1}
/* Bulk-select checkboxes & admin delete bar */
.t-check{width:38px;text-align:center;padding-left:14px!important;padding-right:0!important}
.t-check input[type=checkbox],.row-check{
  width:16px;height:16px;cursor:pointer;accent-color:var(--accent);vertical-align:middle;
}
.bulk-bar{
  display:flex;align-items:center;gap:12px;margin-bottom:14px;padding:10px 14px;
  background:var(--accent-dim);border:1px solid var(--accent);border-radius:var(--radius);
}
.bulk-bar .spacer{flex:1}
.bulk-bar #bulk-count{font-weight:600;color:var(--accent-2)}
.btn-danger:disabled{opacity:.45;cursor:not-allowed}
.chip{
  padding:6px 13px;border-radius:20px;border:1px solid var(--border);background:var(--panel);
  color:var(--text-2);cursor:pointer;font-size:12.5px;font-weight:600;transition:all .15s;
}
.chip:hover{border-color:var(--border-2);color:var(--text)}
.chip.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent-2)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.grid-2,.grid-3{grid-template-columns:1fr}}
.flex{display:flex;gap:10px;align-items:center}
.flex-wrap{flex-wrap:wrap}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.divider{height:1px;background:var(--border);margin:18px 0}
.detail-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}
.detail-row .lbl{color:var(--text-3)}
.detail-row .val{font-weight:600;text-align:right}
.stat-mini{display:flex;gap:20px;flex-wrap:wrap}
.stat-mini .item .n{font-size:20px;font-weight:800}
.stat-mini .item .l{font-size:11px;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px}
.attach-list{display:flex;flex-direction:column;gap:8px}
.attach-item{
  display:flex;align-items:center;gap:12px;padding:10px 13px;background:var(--bg-2);
  border:1px solid var(--border);border-radius:var(--radius-sm);
}
.attach-item .ico{font-size:18px}
.attach-item .info{flex:1;min-width:0}
.attach-item .info .n{font-weight:600;font-size:13px}
.attach-item .info .d{font-size:11.5px;color:var(--text-3)}
.attach-item .price{font-family:var(--mono);font-weight:700;color:var(--accent-2)}
.pick-list{max-height:340px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}
.pick-item{
  display:flex;align-items:center;gap:12px;padding:11px 13px;border:1px solid var(--border);
  border-radius:var(--radius-sm);cursor:pointer;transition:all .15s;background:var(--bg-2);
}
.pick-item:hover{border-color:var(--accent);background:var(--panel-2)}
.pick-item.selected{border-color:var(--accent);background:var(--accent-dim)}
.pick-item .info{flex:1;min-width:0}
.pick-item .info .n{font-weight:600;font-size:13px}
.pick-item .info .d{font-size:11.5px;color:var(--text-3)}
.pick-item .price{font-family:var(--mono);font-weight:700}
.check{width:18px;height:18px;border-radius:5px;border:1.5px solid var(--border-2);display:grid;place-items:center;font-size:11px;color:transparent}
.pick-item.selected .check{background:var(--accent);border-color:var(--accent);color:#1a1206}
.hidden{display:none!important}
.spin{animation:spin 1s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.doc-preview{background:#fff;color:#111;border-radius:var(--radius);padding:40px;font-size:13px}
.doc-preview h1{font-size:24px;margin-bottom:4px}
.doc-preview table{color:#111}
.doc-preview thead th{background:#f3f4f6;color:#374151;border-color:#e5e7eb}
.doc-preview tbody td{border-color:#e5e7eb}
.doc-preview tbody tr:hover{background:#f9fafb}
/* ---------- 3D Designer ---------- */
.d3-viewport{position:relative;width:100%;height:520px;background:radial-gradient(circle at 50% 35%,#20242c,#12151a);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.d3-viewport canvas{display:block;width:100%!important;height:100%!important}
.d3-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text-3);font-size:13px}
.btn.active{border-color:var(--accent);color:var(--accent);background:rgba(240,160,32,.12)}
@media (max-width:900px){.d3-viewport{height:380px}}

/* ---------- Build diagrams ---------- */
.diagram{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.diag-block{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);padding:12px}
.diag-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-3);margin-bottom:8px}
.diag-actions{display:flex;gap:8px;flex-wrap:wrap}
.diag-svg{width:100%;height:auto;display:block}
.diag-svg .ln{fill:none;stroke:var(--text-2);stroke-width:1.4}
.diag-svg .fill{fill:var(--panel-3)}
.diag-svg .dim{stroke:var(--accent);stroke-width:1}
.diag-svg .txt{fill:var(--text);font-size:11px;font-family:var(--mono)}
.diag-svg .txt-s{fill:var(--text-3);font-size:10px;font-family:var(--sans)}
/* light theme inside the print preview */
.doc-preview .diag-block{background:#f9fafb;border-color:#e5e7eb}
.doc-preview .diag-title{color:#6b7280}
.doc-preview .diag-svg .ln{stroke:#374151}
.doc-preview .diag-svg .fill{fill:#e5e7eb}
.doc-preview .diag-svg .dim{stroke:#b45309}
.doc-preview .diag-svg .txt{fill:#111}
.doc-preview .diag-svg .txt-s{fill:#6b7280}
@media print{
  body{overflow:visible;background:#fff}
  #sidebar,#topbar,.no-print{display:none!important}
  #content{padding:0;overflow:visible}
  .modal-overlay{position:static;background:#fff;padding:0;backdrop-filter:none}
  .modal{box-shadow:none;border:none;max-width:100%}
  .modal-head,.modal-foot{display:none}
  .modal-body{max-height:none;overflow:visible;padding:0}
  .diagram{grid-template-columns:1fr 1fr}
  .diag-block{break-inside:avoid}
}

/* ---------- Login screen ---------- */
.app-hidden{display:none!important}
.login-screen{
  position:fixed;inset:0;z-index:2000;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 50% 30%,#1c2530,#0b0f14 70%);
  padding:24px;
}
.login-screen.hidden{display:none}
.login-card{
  width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);
  border-radius:16px;padding:34px 30px 26px;box-shadow:var(--shadow);
  animation:loginIn .35s ease;
}
@keyframes loginIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.login-brand{text-align:center;margin-bottom:26px}
.login-logo{
  width:76px;height:76px;margin:0 auto 14px;border-radius:18px;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
}
.login-logo img{width:100%;height:100%;object-fit:contain}
.login-brand h1{font-size:20px;font-weight:800;letter-spacing:-.3px}
.login-brand span{font-size:12px;color:var(--accent);font-weight:600;text-transform:uppercase;letter-spacing:1.5px}
.login-card .field{margin-bottom:16px}
.login-card .field label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin-bottom:6px}
.login-card .field input{
  width:100%;padding:11px 13px;background:var(--bg-2);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);font-size:14px;font-family:var(--font);outline:none;
  transition:border-color .15s;
}
.login-card .field input:focus{border-color:var(--accent)}
.login-error{
  color:var(--red);font-size:12.5px;min-height:18px;margin-bottom:8px;font-weight:500;
}
.login-btn{width:100%;justify-content:center;padding:12px;font-size:14px;font-weight:700}
.login-hint{
  margin-top:18px;text-align:center;font-size:11.5px;color:var(--text-3);line-height:1.6;
}
.login-hint b{color:var(--text-2)}

/* ---------- User menu ---------- */
.user-menu{position:relative}
.user-pop{
  position:absolute;top:calc(100% + 8px);right:0;min-width:190px;background:var(--panel);
  border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow);
  padding:6px;display:none;z-index:500;
}
.user-pop.open{display:block}
.user-pop-head{padding:9px 11px 10px;border-bottom:1px solid var(--border);margin-bottom:5px}
.user-pop-name{font-size:13px;font-weight:700}
.user-pop-role{font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.6px;font-weight:600}
.user-pop-item{
  display:block;width:100%;text-align:left;padding:9px 11px;background:none;border:none;
  color:var(--text);font-size:13px;font-family:var(--font);border-radius:6px;cursor:pointer;
}
.user-pop-item:hover{background:var(--panel-2);color:var(--red)}