/* Surfaces */
.card,.settings-section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);min-width:0}
.settings-section{overflow:hidden}
.card-head,.settings-section-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px var(--pad);min-height:60px}
.card-head h2,.settings-section-head h2{font-size:16px;font-weight:650;display:flex;align-items:baseline;gap:6px;min-width:0}
.card-body,.settings-section-body{padding:4px var(--pad) var(--pad)}
.settings-section-body{display:grid;gap:16px}
.section-count{color:var(--muted);font-size:13px;font-weight:500}
.panel-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:650}
.panel-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--blue)}
.grid{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--gap);align-items:start}
.stack{display:grid;gap:14px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.list,.table{display:grid;gap:8px}
.meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center}

/* Buttons */
.btn{
  min-height:36px;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 14px;
  border:1px solid var(--line-strong);border-radius:10px;background:var(--surface);color:var(--text);
  font-weight:550;line-height:1.2;white-space:nowrap;text-decoration:none;
  transition:background .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease,transform .12s ease;
}
.btn:hover{border-color:rgba(59,130,246,.45);color:var(--blue-deep);background:var(--blue-softer)}
.btn:active{transform:translateY(1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;pointer-events:none}
.btn .icon{width:16px;height:16px}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 1px 2px rgba(37,99,235,.24)}
.btn.primary:hover{background:var(--blue-deep);border-color:var(--blue-deep);color:#fff}
.btn.secondary{background:var(--blue-softer);border-color:var(--blue-line);color:var(--blue-deep)}
.btn.secondary:hover{background:#dbeafe}
.btn.green{background:var(--green-soft);border-color:var(--green-line);color:var(--green-deep)}
.btn.green:hover{background:#dcfce7;border-color:#86efac;color:var(--green-deep)}
.btn.danger{background:var(--surface);border-color:var(--red-line);color:var(--red-deep)}
.btn.danger:hover{background:var(--red-soft);border-color:#fca5a5;color:var(--red-deep)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--text-2)}
.btn.ghost:hover{background:var(--surface-hover);color:var(--text)}
.btn.small{min-height:30px;padding:4px 10px;font-size:13px;border-radius:8px}
.btn.block{display:flex;width:100%}
.th-btn{display:inline-flex;align-items:center;gap:4px;border:0;background:transparent;padding:0;color:inherit;font:inherit;font-weight:inherit}
.th-btn:hover,.th-btn.active{color:var(--blue-deep)}
.th-btn.active::after{content:"";width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor}

/* Segmented control */
.segmented{display:inline-flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:10px;background:var(--surface-sunken)}
.segmented button{min-height:30px;padding:4px 12px;border:0;border-radius:8px;background:transparent;color:var(--text-2);font-size:13px;font-weight:550;white-space:nowrap;transition:background .16s ease,color .16s ease}
.segmented button:hover{color:var(--text)}
.segmented button.active{background:var(--surface);color:var(--blue-deep);box-shadow:0 1px 3px rgba(15,23,42,.1)}
.tabs{display:flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:10px;background:var(--surface-sunken);width:max-content}
.tabs button{border:0;background:transparent;color:var(--text-2);border-radius:8px;padding:6px 12px}
.tabs button.active{background:var(--surface);color:var(--blue-deep);font-weight:600;box-shadow:0 1px 3px rgba(15,23,42,.1)}

/* Pills */
.pill,.value-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:22px;padding:1px 9px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1.5;white-space:nowrap;border:1px solid transparent;
  background:var(--blue-softer);color:var(--blue-deep);font-variant-numeric:tabular-nums;
}
.value-pill{min-width:48px}
.pill.green,.value-pill.green{background:var(--green-soft);color:var(--green-deep);border-color:transparent}
.pill.red,.value-pill.red{background:var(--red-soft);color:var(--red-deep)}
.pill.amber,.value-pill.amber{background:var(--amber-soft);color:var(--amber-deep)}
.value-pill.muted{background:var(--slate-soft);color:var(--text-2)}
.pill.green::before,.pill.red::before,.pill.amber::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.85}
.source-value{display:inline-block;max-width:100%;padding:3px 8px;border:1px solid var(--line);border-radius:6px;background:var(--surface-subtle);color:var(--text-2);font-family:var(--mono);font-size:12px;line-height:1.5;overflow-wrap:anywhere}

/* Forms */
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:13px;font-weight:600;color:var(--text-2)}
.field-help{color:var(--muted);font-size:12px;line-height:1.5}
.field-error{grid-column:1/-1;min-height:16px;color:var(--red-deep);font-size:12px;line-height:1.35}
.check{width:18px;height:18px}
.toggle-row{display:flex;gap:12px;align-items:center;border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;background:var(--surface-subtle);cursor:pointer;transition:border-color .16s ease,background .16s ease}
.toggle-row:hover{border-color:var(--blue-line);background:var(--blue-softer)}
.toggle-row strong{display:block;font-weight:600}
.toggle-row span{display:block;margin-top:2px;color:var(--muted);font-size:12px}
.inline-check{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-weight:500;cursor:pointer;white-space:nowrap}
.number-suffix{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;border:1px solid var(--line-strong);border-radius:10px;background:var(--surface);overflow:hidden;transition:border-color .16s ease,box-shadow .16s ease}
.number-suffix:focus-within{border-color:var(--blue);box-shadow:var(--ring)}
.number-suffix:has(input[aria-invalid="true"]){border-color:var(--red);box-shadow:0 0 0 3px rgba(220,38,38,.14)}
.number-suffix input{min-height:36px;border:0;border-radius:0;box-shadow:none!important;padding:6px 6px 6px 12px}
.number-suffix span{padding:0 12px 0 4px;color:var(--muted);font-size:13px}
.number-suffix:has(input:disabled){background:var(--surface-sunken);opacity:.72}

/* Status blocks */
.status{min-height:20px;color:var(--muted);font-size:13px}
.inline-status{min-height:20px;font-size:13px;color:var(--muted)}
.inline-status.good{color:var(--green-deep);font-weight:600}
.inline-status.bad{color:var(--red-deep);font-weight:600}
.action-status{display:flex;align-items:center;gap:8px;margin:0;padding:10px 14px;border:1px solid var(--green-line);border-radius:var(--radius);background:var(--green-soft);color:var(--green-deep);font-weight:550}
.action-status.err{border-color:var(--red-line);background:var(--red-soft);color:var(--red-deep)}
.settings-highlight{border:1px solid var(--blue-line);background:var(--blue-softer);border-radius:var(--radius);padding:12px 14px;display:grid;gap:6px}
.empty{display:grid;place-items:center;gap:6px;text-align:center;color:var(--muted);padding:40px 16px;border:1px dashed var(--line-strong);border-radius:var(--radius);background:rgba(255,255,255,.5)}
.empty strong{color:var(--text-2);font-weight:600}

/* Metrics */
.metric{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:12px 14px;min-width:0}
.metric span{display:block;color:var(--muted);font-size:12px}
.metric strong{display:block;margin-top:2px;font-size:20px;font-weight:650;font-variant-numeric:tabular-nums}
.metric strong.good{color:var(--green-deep)}
.metric strong.bad{color:var(--red-deep)}

/* Tables */
.node-table,.connectivity-table,.connectivity-matrix{border:1px solid var(--line);border-radius:var(--radius);overflow:auto;background:var(--surface)}
.table-head,.table-row{display:grid;grid-template-columns:30px 52px minmax(220px,1.8fr) 82px 92px 96px 82px minmax(96px,.8fr) 164px;gap:10px;align-items:center;min-width:1000px}
.table-head{position:sticky;top:0;z-index:2;padding:10px 16px;background:var(--surface-subtle);border-bottom:1px solid var(--line);color:var(--muted);font-size:12.5px;font-weight:600}
.table-row{padding:9px 16px;border-bottom:1px solid var(--line);transition:background .12s ease}
.table-row:hover{background:var(--surface-hover)}
.table-row:has(input:checked){background:var(--blue-softer)}
.table-row:last-of-type{border-bottom:0}
.table-name{display:grid;gap:2px;min-width:0}
.table-name strong{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.table-uri{font-family:var(--mono);font-size:11.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cell-muted{color:var(--muted);font-size:12px}
.table-index{color:var(--muted);font-variant-numeric:tabular-nums;font-size:13px}
.table-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-top:1px solid var(--line);background:var(--surface-subtle);color:var(--muted);font-size:13px}
.pager{display:flex;align-items:center;gap:8px}
.node-table>.empty{margin:16px;border-style:dashed}
.row-actions{display:flex;align-items:center;gap:6px;white-space:nowrap}
.row-menu{position:relative}
.row-menu summary{list-style:none}
.row-menu summary::-webkit-details-marker{display:none}
.row-menu[open] summary{background:var(--surface-hover)}
.row-menu-panel{position:absolute;right:0;top:calc(100% + 6px);z-index:8;display:grid;gap:2px;min-width:150px;padding:6px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-pop)}
.row-menu-panel .btn{width:100%;justify-content:flex-start;border-color:transparent;background:transparent}
.row-menu-panel .btn:hover{background:var(--surface-hover)}
.row-menu-panel .btn.danger{color:var(--red-deep)}
.row-menu-panel .btn.danger:hover{background:var(--red-soft)}
.menu-label{padding:6px 10px 2px;color:var(--muted);font-size:12px}

/* Progress */
.progress,.progress-bar,.refresh-progress{height:8px;background:var(--surface-sunken);border-radius:var(--radius-pill);overflow:hidden}
.progress div,.progress-fill,.refresh-progress span{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--blue),#60a5fa);transition:width .3s var(--ease)}
.refresh-progress span.indeterminate{width:40%;animation:indeterminate 1.4s ease-in-out infinite}
@keyframes indeterminate{from{transform:translateX(-100%)}to{transform:translateX(260%)}}

/* Dialogs */
.modal,.dialog-back{position:fixed;inset:0;z-index:30;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(15,23,42,.28);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.dialog-back{display:flex}
.modal.show{display:flex}
.modal.show .dialog,.dialog-back .dialog{animation:pop .22s var(--ease) both}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.modal.refresh-modal{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;pointer-events:none;align-items:flex-end;justify-content:flex-end}
.modal.refresh-modal .dialog{pointer-events:auto;max-height:calc(100vh - 48px);overflow:auto}
.dialog{width:min(440px,100%);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);padding:22px}
.dialog.wide{width:min(920px,100%)}
.dialog h2{margin:0 0 14px;font-size:17px}
.dialog h3{margin:0 0 12px;font-size:15px}
#resultDialog.standard-dialog{display:flex;flex-direction:column;max-height:min(84vh,820px);padding:0;overflow:hidden}
.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid var(--line)}
.dialog-header h2,#resultDialog .dialog-header h2{margin:0;font-size:16px}
.dialog-close{width:32px;height:32px;min-height:32px;padding:0;font-size:20px;line-height:1;color:var(--muted)}
.dialog-body{padding:18px 20px;overflow:auto;overscroll-behavior:contain}
.dialog-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:12px 20px;border-top:1px solid var(--line);background:var(--surface-subtle);flex-wrap:wrap}
.format-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.format-choice{border:1px solid var(--line-strong);background:var(--surface);border-radius:var(--radius);padding:14px;text-align:left}
.format-choice strong{display:block}
.format-choice span{display:block;margin-top:4px;color:var(--muted);font-size:12px}

/* Login */
.auth-dialog{width:min(380px,100%);padding:28px;display:grid;gap:16px}
.auth-dialog .logo{width:44px;height:44px}
.auth-dialog h2{margin:0;font-size:18px}
.auth-dialog p.muted{margin-top:-10px}

/* Toasts */
.toast-wrap{position:fixed;right:20px;top:72px;z-index:40;display:grid;gap:8px;pointer-events:none}
.toast{
  display:flex;align-items:flex-start;gap:10px;max-width:380px;padding:11px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);box-shadow:var(--shadow-pop);font-weight:500;animation:pop .22s var(--ease) both;pointer-events:auto;
}
.toast::before{content:"";width:8px;height:8px;margin-top:7px;flex:none;border-radius:50%;background:#22c55e;box-shadow:0 0 0 3px rgba(34,197,94,.16)}
.toast.err::before{background:#ef4444;box-shadow:0 0 0 3px rgba(239,68,68,.16)}

/* Generic legacy list items */
.node{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);padding:12px 14px;display:grid;gap:8px}
.node-main{display:flex;gap:12px;align-items:flex-start;justify-content:space-between}
.node-name{font-weight:600;word-break:break-word}
.node-uri{font-size:12.5px;color:var(--muted);word-break:break-all}
.port{display:grid;grid-template-columns:84px minmax(0,1fr) auto;gap:10px;align-items:center;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 12px}
.port b{font-family:var(--mono);font-weight:600;color:var(--blue-deep)}
.port .muted{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.checkbox-row{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start}
details>summary{cursor:pointer}
.section-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px var(--pad);font-weight:650;list-style:none}
.section-summary::-webkit-details-marker{display:none}
.section-summary::after{content:"";width:8px;height:8px;margin-left:auto;border-right:1.6px solid var(--muted);border-bottom:1.6px solid var(--muted);transform:rotate(45deg);transition:transform .2s var(--ease)}
details[open]>.section-summary::after{transform:rotate(-135deg)}
.section-summary span{color:var(--muted);font-size:13px;font-weight:500}
.auth-dialog .status:not(:empty){color:var(--red-deep)}