:root {
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #07111f;
  --bg-elevated: #0a1626;
  --surface: #0d1b2d;
  --surface-2: #122238;
  --surface-3: #162a43;
  --surface-soft: rgba(255,255,255,.035);
  --border: rgba(148,163,184,.16);
  --border-strong: rgba(148,163,184,.28);
  --text: #eaf1fb;
  --text-2: #a9b8cc;
  --text-3: #72839b;
  --primary: #52a8ff;
  --primary-2: #2f7ed7;
  --cable-olt: #fb4b5f;
  --cable-backbone: #dc2626;
  --cable-passive: #3b82f6;
  --cable-customer: #22c55e;
  --cable-inactive: #64748b;
  --very-good: #2dd4bf;
  --good: #35d49a;
  --safe: #38bdf8;
  --warning: #ffbf47;
  --critical: #ff6577;
  --unfit: #f43f5e;
  --overload: #a78bfa;
  --neutral: #7a8ba4;
  --control-h: 38px;
  --touch-h: 44px;
  --toolbar-control-h: 32px;
  --radius-control: 10px;
  --radius-card: 14px;
  --shadow-card: 0 6px 18px rgba(0,0,0,.10);
  --shadow-popover: 0 14px 38px rgba(0,0,0,.24);
  --shadow-modal: 0 22px 56px rgba(0,0,0,.34);
  --node-shadow-selected: drop-shadow(0 5px 8px rgba(0,0,0,.18));
  --node-shadow-dragging: drop-shadow(0 8px 12px rgba(0,0,0,.24));
  --shadow: var(--shadow-popover);
  --radius: var(--radius-card);
  --radius-sm: var(--radius-control);
  --header-h: 52px;
}

html[data-theme="light"] {
  --bg: #eef3f8;
  --bg-elevated: #f7fafc;
  --surface: #ffffff;
  --surface-2: #f5f8fb;
  --surface-3: #edf3f9;
  --surface-soft: rgba(14,35,60,.035);
  --border: rgba(51,65,85,.14);
  --border-strong: rgba(51,65,85,.24);
  --text: #132033;
  --text-2: #51627a;
  --text-3: #64748b;
  --primary: #1876d2;
  --primary-2: #0e5cab;
  --cable-olt: #ef4444;
  --cable-backbone: #b91c1c;
  --cable-passive: #2563eb;
  --cable-customer: #16a34a;
  --cable-inactive: #94a3b8;
  --very-good: #0f9f92;
  --good: #0b9f6e;
  --safe: #0284c7;
  --warning: #c47a00;
  --critical: #df3650;
  --unfit: #be123c;
  --overload: #7c3aed;
  --neutral: #718096;
  --shadow-card: 0 6px 18px rgba(31,50,73,.07);
  --shadow-popover: 0 14px 38px rgba(31,50,73,.14);
  --shadow-modal: 0 22px 56px rgba(31,50,73,.20);
  --node-shadow-selected: drop-shadow(0 5px 8px rgba(31,50,73,.14));
  --node-shadow-dragging: drop-shadow(0 8px 12px rgba(31,50,73,.20));
  --shadow: var(--shadow-popover);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
html { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.45;
  overflow: hidden;
}
button, input, select, textarea { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--primary) 70%, white 30%);
  outline-offset: 2px;
}

.app-shell { min-height: 100%; display: flex; flex-direction: column; }
.app-header {
  height: var(--header-h);
  min-height: var(--header-h);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 0 max(10px, env(safe-area-inset-right)) 0 max(10px, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--bg-elevated) 96%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  z-index: 30;
}
.brand-block, .report-brand { display: flex; align-items: center; gap: 8px; }
.brand-block { flex: none; min-width: 0; }
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--primary) 90%, white 10%), var(--primary-2));
  box-shadow: 0 10px 24px color-mix(in srgb, var(--primary) 22%, transparent);
}
.brand-mark.small { width: 34px; height: 34px; border-radius: 10px; }
.brand-mark svg { width: 23px; height: 23px; fill: none; stroke: white; stroke-width: 2.2; stroke-linecap: round; }
.brand-copy { min-width: 0; line-height: 1.05; }
.brand-block .eyebrow { display: block; color: var(--primary); font-size: 9.5px; white-space: nowrap; }
.brand-block .brand-title { display: block; margin-top: 3px; font-size: 11.5px; white-space: nowrap; }
.professional-badge,
.save-state { display: none; }
.brand-title { font-size: 15px; font-weight: 760; letter-spacing: -.02em; }
.eyebrow { font-size: 10px; color: var(--text-3); letter-spacing: .14em; font-weight: 800; }
.project-heading { min-width: 0; display: flex; align-items: center; gap: 14px; }
.project-name { min-width: 0; flex: 1; display: flex; align-items: center; gap: 9px; font-weight: 780; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.header-navigation { flex: none; width: auto; min-width: 0; margin: 0; padding: 3px; border-radius: var(--radius-control); }
.header-navigation .main-tab { min-width: 74px; min-height: 30px; padding-inline: 10px; font-size: 11px; }
.professional-badge { max-width: 190px; overflow: hidden; text-overflow: ellipsis; padding: 4px 8px; border: 1px solid color-mix(in srgb, var(--primary) 28%, var(--border)); border-radius: 99px; color: var(--primary); background: color-mix(in srgb, var(--primary) 7%, transparent); font-size: 9px; font-weight: 850; }
.project-meta { display: none; }
.header-actions { display: flex; align-items: center; gap: 6px; }
.save-state { display: flex; align-items: center; gap: 7px; color: var(--text-3); font-size: 12px; margin-right: 5px; white-space: nowrap; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 4px color-mix(in srgb, var(--good) 13%, transparent); }
.save-state.saving .status-dot { background: var(--warning); box-shadow: none; }
.save-state.error { color: var(--critical); }
.save-state.error .status-dot { background: var(--critical); box-shadow: 0 0 0 4px color-mix(in srgb, var(--critical) 13%, transparent); }
.header-actions .save-state { display: none; }
.header-more, .toolbar-more { position: relative; }
.header-more summary, .toolbar-more summary { list-style: none; }
.header-more summary::-webkit-details-marker, .toolbar-more summary::-webkit-details-marker { display: none; }
.header-more[open] > summary, .toolbar-more[open] > summary { color: var(--primary); border-color: color-mix(in srgb, var(--primary) 40%, var(--border)); }
.header-more-menu, .toolbar-more-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 9px);
  z-index: 140;
  display: grid;
  gap: 4px;
  width: 190px;
  padding: 7px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.header-more-menu .button, .toolbar-more-menu .tool-button {
  width: 100%;
  min-height: 38px;
  justify-content: flex-start;
  text-align: left;
  padding: 0 11px;
  background: transparent;
}
.header-more-menu #importBtn,
.header-more-menu #headerPrintBtn { display: none; }
.header-more-menu .button { display: flex; align-items: center; gap: 8px; }
.toolbar-more-menu { top: calc(100% + 8px); width: 175px; }
.header-more-menu .compact-navigation {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  width: 100%;
  min-width: 0;
  margin: 0 0 3px;
  padding: 3px;
}
.header-more-menu .compact-navigation .main-tab { min-width: 0; min-height: 32px; padding: 0 5px; font-size: 10px; }

.button, .icon-button, .tool-button {
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: var(--radius-control);
  min-height: var(--control-h);
  padding: 0 13px;
  cursor: pointer;
  transition: border-color .16s ease, transform .16s ease, background .16s ease, opacity .16s ease;
  font-weight: 700;
  font-size: 12px;
}
.button:hover, .icon-button:hover, .tool-button:hover { border-color: var(--border-strong); background: var(--surface-3); }
.button:active, .icon-button:active, .tool-button:active { transform: translateY(1px); }
.button.primary { background: linear-gradient(180deg, color-mix(in srgb, var(--primary) 93%, white 7%), var(--primary-2)); border-color: transparent; color: white; }
.button.ghost { background: transparent; }
.button.danger { color: var(--critical); }
.button.subtle { background: color-mix(in srgb, var(--critical) 8%, var(--surface)); }
.button.full { width: 100%; min-height: 42px; }
#loadExampleBtn { margin-bottom: 8px; }
.icon-button { width: var(--control-h); padding: 0; font-size: 17px; display: grid; place-items: center; }
.button:disabled, .icon-button:disabled, .tool-button:disabled { opacity: .35; cursor: not-allowed; }

.workspace { flex: 1; min-height: 0; display: block; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: min(380px, 92vw);
  height: 100vh;
  height: 100dvh;
  z-index: 120;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: calc(16px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) calc(16px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));
  scrollbar-width: thin;
  transform: translateX(-105%);
  visibility: hidden;
  transition: transform .22s ease, visibility .22s;
  box-shadow: var(--shadow);
}
.sidebar.open { transform: translateX(0); visibility: visible; }
.workspace-menu-button { display: grid !important; }
.sidebar-drawer-head {
  position: sticky;
  top: -16px;
  z-index: 3;
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  margin: calc(-16px - env(safe-area-inset-top)) calc(-16px - env(safe-area-inset-right)) 12px calc(-16px - env(safe-area-inset-left));
  padding: calc(12px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 12px calc(16px + env(safe-area-inset-left));
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elevated) 96%, transparent);
  backdrop-filter: blur(12px);
}
.sidebar-drawer-head strong { display: block; margin-top: 2px; }
.side-tabs, .main-tabs {
  display: flex;
  gap: 4px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  border-radius: 12px;
  padding: 4px;
}
.side-tab, .main-tab {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--text-3);
  border-radius: var(--radius-control);
  min-height: var(--control-h);
  padding: 0 10px;
  cursor: pointer;
  font-weight: 760;
  font-size: 12px;
}
.project-heading .header-navigation { width: 270px; min-width: 0; }
.side-tab.active, .main-tab.active { color: var(--text); background: var(--surface-2); box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.side-panel { display: none; padding-top: 19px; }
.side-panel.active { display: block; }
.side-tab[data-side-tab="guide"],
.side-panel[data-side-panel="guide"] { display: none !important; }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.section-heading.compact { margin-bottom: 12px; }
h1,h2,h3,p { margin-top: 0; }
h2 { margin-bottom: 0; font-size: 16px; letter-spacing: -.02em; }
h3 { letter-spacing: -.015em; }
.pill { font-size: 10px; font-weight: 800; color: var(--primary); background: color-mix(in srgb, var(--primary) 10%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 24%, transparent); border-radius: 99px; padding: 5px 8px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.field { display: grid; gap: 6px; min-width: 0; }
.field > span { font-size: 11px; font-weight: 700; color: var(--text-2); }
.field.span-2 { grid-column: span 2; }
.field input, .field select, .field textarea, .table-controls input, .table-controls select, .inspector-form input, .inspector-form select, .inspector-form textarea {
  width: 100%;
  min-width: 0;
  min-height: var(--control-h);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: var(--radius-control);
  padding: 8px 10px;
}
.field textarea, .inspector-form textarea { min-height: 78px; resize: vertical; }
.inspector-form input:disabled { color: var(--text-2); opacity: .8; cursor: not-allowed; }
.field select, .inspector-form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%); background-position: calc(100% - 15px) 16px, calc(100% - 10px) 16px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 28px; }
.unit-input { position: relative; }
.unit-input input { padding-right: 50px; }
.unit-input em { position: absolute; right: 9px; top: 50%; transform: translateY(-50%); font-style: normal; color: var(--text-3); font-size: 10px; pointer-events: none; }
.checkbox-field { display: flex; align-items: center; gap: 8px; align-self: end; min-height: 38px; padding: 0 3px; }
.checkbox-field input { width: 16px; min-height: auto; accent-color: var(--primary); }
.checkbox-field span { font-size: 11px; }
.settings-details { margin-top: 12px; border: 1px solid var(--border); border-radius: 11px; overflow: hidden; }
.settings-details summary { cursor: pointer; padding: 11px 12px; color: var(--text-2); font-size: 11px; font-weight: 800; }
.details-grid { padding: 0 12px 12px; }
.details-subtitle { grid-column: span 2; margin-top: 3px; padding-top: 10px; border-top: 1px solid var(--border); color: var(--text-3); font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.divider { height: 1px; background: var(--border); margin: 18px 0; }
.component-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.component-button { display: flex; align-items: center; gap: 9px; min-height: 60px; border: 1px solid var(--border); background: var(--surface-soft); border-radius: var(--radius-control); padding: 9px; cursor: pointer; text-align: left; }
.component-button[data-add-type="olt"] { grid-column: span 2; }
.component-button:hover { border-color: var(--border-strong); background: var(--surface-2); }
.component-button:disabled { opacity: .4; cursor: not-allowed; }
.component-button strong, .component-button small { display: block; }
.component-button strong { font-size: 12px; }
.component-button small { color: var(--text-3); font-size: 9px; margin-top: 2px; }
.component-button { min-height: 48px; }
.component-button small,
.tip-card { display: none; }
.component-grid-primary .component-button[data-add-type="olt"] { grid-column: auto; }
.component-more, .preset-details { margin-top: 9px; background: transparent; }
.component-more > summary, .preset-details > summary { min-height: 40px; display: flex; align-items: center; justify-content: space-between; list-style: none; }
.component-more > summary::-webkit-details-marker, .preset-details > summary::-webkit-details-marker { display: none; }
.component-more > summary::after, .preset-details > summary::after { content: '+'; color: var(--primary); font-size: 16px; }
.component-more[open] > summary::after, .preset-details[open] > summary::after { content: '−'; }
.component-more .component-grid { padding: 0 10px 10px; }
.preset-details .preset-card { margin: 0; padding: 0 10px 10px; border: 0; border-radius: 0; background: transparent; }
.core-power-field .unit-input { max-width: calc(50% - 5px); }
.component-icon { width: 28px; height: 28px; flex: none; border-radius: 9px; display: grid; place-items: center; font-size: 11px; font-weight: 900; color: white; }
.component-icon.olt { background: #38a169; }
.component-icon.odc { background: #4f8cff; }
.component-icon.odp { background: #23b8a2; }
.component-icon.coupler { color: #7c2d12; background: #fbbf24; }
.component-icon.plc { background: #1d4ed8; }
.component-icon.fiber { background: #0f766e; }
.component-icon.splice { background: #7c3aed; }
.component-icon.connector { background: #dc2626; }
.component-icon.closure { background: #8b6ce5; }
.component-icon.ont { background: #ef8a4a; }
.component-icon.termination { background: #475569; }
.component-icon.note { background: #a16207; }
.component-icon.area { background: #0369a1; }
.preset-card { display: grid; gap: 8px; margin: 14px 0 8px; padding: 12px; border: 1px solid var(--border); border-radius: 11px; background: var(--surface-soft); }
.tip-card, .warning-card { display: flex; gap: 10px; margin: 14px 0; padding: 12px; border-radius: 11px; border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--border)); background: color-mix(in srgb, var(--primary) 6%, var(--surface)); }
.tip-card p, .warning-card p { color: var(--text-3); font-size: 10px; margin: 3px 0 0; }
.tip-card strong, .warning-card strong { font-size: 11px; }
.tip-icon { width: 21px; height: 21px; flex: none; display: grid; place-items: center; border-radius: 50%; background: var(--primary); color: white; font-weight: 900; font-size: 11px; }

.quick-result { margin-top: 16px; border: 1px solid var(--border); background: linear-gradient(145deg, color-mix(in srgb, var(--primary) 8%, var(--surface)), var(--surface)); border-radius: 14px; overflow: hidden; }
.quick-result-top { display: flex; align-items: center; justify-content: space-between; padding: 15px; border-bottom: 1px solid var(--border); }
.quick-result-top span:first-child { display: block; color: var(--text-3); font-size: 10px; font-weight: 700; }
.quick-result-top strong { display: block; margin-top: 2px; font-size: 24px; letter-spacing: -.04em; }
.quick-result-grid { display: grid; grid-template-columns: 1fr 1fr; }
.quick-result-grid > div { padding: 12px 15px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.quick-result-grid > div:nth-child(2n) { border-right: 0; }
.quick-result-grid > div:nth-last-child(-n+2) { border-bottom: 0; }
.quick-result-grid span { display: block; color: var(--text-3); font-size: 9px; }
.quick-result-grid strong { display: block; margin-top: 3px; font-size: 12px; }
.formula-card { margin: 12px 0; padding: 12px; border: 1px dashed var(--border-strong); border-radius: 11px; color: var(--text-2); font-size: 10px; line-height: 1.7; }
.formula-card b { color: var(--text); }
.quick-details { margin-block: 12px 10px; }
.quick-details .formula-card { margin: 0 10px 10px; border: 0; border-top: 1px dashed var(--border); border-radius: 0; }
.passive-summary { margin-bottom: 2px; line-height: 1.75; background: color-mix(in srgb, var(--primary) 4%, var(--surface)); }
.glossary-list { display: grid; gap: 8px; }
.glossary-item { display: flex; gap: 10px; padding: 11px; border: 1px solid var(--border); border-radius: 11px; background: var(--surface-soft); }
.glossary-symbol { width: 26px; flex: none; font-size: 17px; }
.glossary-item strong { font-size: 11px; }
.glossary-item p { margin: 3px 0 0; color: var(--text-3); font-size: 10px; }

.main-content { min-width: 0; min-height: 0; height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h)); overflow: hidden; padding: 0; background: radial-gradient(circle at 80% 10%, color-mix(in srgb, var(--primary) 5%, transparent), transparent 35%), var(--bg); }
.main-tabs { width: fit-content; min-width: 360px; margin-bottom: 9px; background: var(--bg-elevated); }
.main-tab { flex: none; min-width: 90px; }
.main-tab-spacer { flex: 1; }
.live-indicator { display: flex; align-items: center; gap: 6px; padding: 0 10px; color: var(--text-3); font-size: 10px; white-space: nowrap; }
.live-indicator span { width: 6px; height: 6px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 4px color-mix(in srgb, var(--good) 10%, transparent); }
.main-panel { display: none; }
.main-panel.active { display: block; }
.main-panel[data-main-panel="designer"].active { height: 100%; }
.main-panel[data-main-panel="paths"].active,
.main-panel[data-main-panel="report"].active { height: 100%; overflow: auto; padding: 14px; }
.summary-grid { display: none; }
.summary-card { min-width: 0; padding: 8px 11px; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--surface); box-shadow: var(--shadow-card); }
.summary-card span { color: var(--text-3); font-size: 10px; font-weight: 750; }
.summary-card strong { display: block; margin: 1px 0 0; font-size: 17px; line-height: 1.2; letter-spacing: -.035em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.summary-card small { color: var(--text-3); font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.designer-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; width: 100%; height: 100%; min-height: 0; }
.canvas-card, .inspector-card, .table-card, .report-sheet, .report-actions-card { border: 1px solid var(--border); border-radius: var(--radius-card); background: var(--surface); box-shadow: var(--shadow-card); }
.canvas-card { width: 100%; height: 100%; min-width: 0; min-height: 0; display: grid; grid-template-rows: 44px minmax(0,1fr) 32px; overflow: visible; border: 0; border-radius: 0; box-shadow: none; }
.canvas-toolbar { position: relative; z-index: 12; min-height: 44px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 8px; padding: 5px 8px; border-bottom: 1px solid var(--border); border-radius: 0; background: color-mix(in srgb, var(--surface) 96%, var(--surface-2)); }
.toolbar-group { display: flex; align-items: center; gap: 5px; }
.tool-button { min-width: var(--toolbar-control-h); min-height: var(--toolbar-control-h); padding: 0 8px; border-radius: var(--radius-control); font-size: 11px; background: var(--surface-2); }
.tool-button.wide { min-width: auto; }
.tool-button.active { color: var(--primary); border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); background: color-mix(in srgb, var(--primary) 8%, var(--surface)); }
.fit-label-mobile { display: none; }
.zoom-label { min-width: 42px; text-align: center; font-size: 10px; color: var(--text-3); }
.canvas-title { min-width: 0; text-align: center; }
.canvas-title strong { display: block; font-size: 12px; }
.canvas-title span { display: none; }
.canvas-scroll { position: relative; min-width: 0; min-height: 0; overflow: auto; cursor: grab; overscroll-behavior: contain; touch-action: none; scrollbar-width: auto; scrollbar-color: var(--border-strong) transparent; background: color-mix(in srgb, var(--bg) 45%, var(--surface)); }
.canvas-scroll.panning { cursor: grabbing; user-select: none; }
.canvas-scroll::-webkit-scrollbar { width: 12px; height: 12px; }
.canvas-scroll::-webkit-scrollbar-thumb { border: 3px solid transparent; border-radius: 99px; background: var(--border-strong); background-clip: padding-box; }
.canvas-scroll::-webkit-scrollbar-corner { background: transparent; }
#networkSvg { display: block; min-width: 100%; min-height: 100%; user-select: none; }
.empty-state { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; text-align: center; padding: 24px; }
.empty-state[hidden] { display: none; }
.empty-icon { font-size: 46px; color: var(--text-3); }
.empty-state h3 { margin: 5px 0 3px; }
.empty-state p { color: var(--text-3); font-size: 11px; margin-bottom: 14px; }
.mobile-canvas-hint { display: none; margin: -7px 0 14px; color: var(--text-3); }
.empty-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.canvas-legend { display: flex; align-items: center; justify-content: flex-start; gap: 16px; min-height: 32px; padding: 0 10px; overflow-x: auto; white-space: nowrap; border-top: 1px solid var(--border); border-radius: 0; color: var(--text-2); font-size: 9px; }
.canvas-legend .legend-separator,
.canvas-legend span:nth-of-type(n+5) { display: none; }
.canvas-legend span { display: flex; align-items: center; gap: 5px; }
.canvas-legend .legend-separator { width: 1px; height: 18px; flex: 0 0 1px; background: var(--border-strong); }
.legend-line { position: relative; width: 24px; height: 8px; flex: 0 0 24px; overflow: hidden; }
.legend-line::before { content: ''; position: absolute; left: 0; right: 0; top: 3px; height: 3px; border-radius: 99px; background: currentColor; }
.legend-line.cable-olt { color: var(--cable-olt); }
.legend-line.cable-backbone { color: var(--cable-backbone); }
.legend-line.cable-passive { color: var(--cable-passive); }
.legend-line.cable-customer { color: var(--cable-customer); }
.legend-line.cable-inactive { color: var(--cable-inactive); }
.legend-line.cable-inactive::before { height: 2px; background: repeating-linear-gradient(90deg,currentColor 0 5px,transparent 5px 8px); }
.legend-line.alert-warning { color: var(--warning); animation: cableLegendBlink 1.05s steps(2,end) infinite; background: repeating-linear-gradient(90deg,currentColor 0 3px,transparent 3px 8px); background-position-y: 3px; background-size: auto 3px; background-repeat: repeat-x; }
.legend-line.alert-critical { color: #ff7a1a; animation: cableLegendBlink .78s steps(2,end) infinite; background: repeating-linear-gradient(90deg,currentColor 0 7px,transparent 7px 11px); background-position-y: 2px; background-size: auto 4px; background-repeat: repeat-x; }
.legend-line.alert-unfit { color: var(--unfit); animation: cableLegendBlink .72s steps(2,end) infinite; background: repeating-linear-gradient(90deg,currentColor 0 4px,transparent 4px 9px); background-position-y: 2px; background-size: auto 4px; background-repeat: repeat-x; }
.legend-line.alert-overload { color: var(--overload); animation: cableLegendPulse .9s ease-in-out infinite; }
.legend-line.alert-warning::before, .legend-line.alert-critical::before, .legend-line.alert-unfit::before { display: none; }
@keyframes cableLegendBlink { 50% { opacity: .2; } }
@keyframes cableLegendPulse { 50% { opacity: .4; transform: scaleY(.65); } }
.legend-dot { width: 7px; height: 7px; border-radius: 50%; }
.legend-dot.cable-olt { background: var(--cable-olt); }
.legend-dot.cable-backbone { background: var(--cable-backbone); }
.legend-dot.cable-passive { background: var(--cable-passive); }
.legend-dot.cable-customer { background: var(--cable-customer); }
.legend-dot.cable-inactive { background: var(--cable-inactive); }
.legend-dot.veryGood { background: var(--very-good); }
.legend-dot.good { background: var(--good); }
.legend-dot.safe { background: var(--safe); }
.legend-dot.warning { background: var(--warning); }
.legend-dot.critical { background: var(--critical); }
.legend-dot.unfit { background: var(--unfit); }
.legend-dot.overload { background: var(--overload); }
.legend-dot.neutral { background: var(--neutral); }
.inspector-card { min-width: 0; max-height: 730px; overflow-y: auto; }
.inspector-card:not(.floating) { display: none; }
.inspector-empty { min-height: 100%; display: grid; place-content: center; padding: 40px 24px; text-align: center; }
.inspector-empty-icon { font-size: 36px; color: var(--text-3); }
.inspector-empty h3 { margin: 10px 0 4px; }
.inspector-empty p { margin: 0; color: var(--text-3); font-size: 11px; }
.inspector-content { padding: 16px; }
.inspector-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; padding-bottom: 13px; border-bottom: 1px solid var(--border); }
.inspector-head h2 { margin-top: 2px; }
.inspector-head-actions { display: flex; align-items: center; gap: 8px; }
.inspector-close { display: none; width: 32px; min-height: 32px; font-size: 18px; }
.status-badge { display: inline-flex; align-items: center; justify-content: center; min-height: 23px; padding: 0 8px; border-radius: 99px; font-size: 9px; font-weight: 850; border: 1px solid var(--border); white-space: nowrap; }
.status-badge.veryGood { color: var(--very-good); background: color-mix(in srgb, var(--very-good) 8%, transparent); border-color: color-mix(in srgb, var(--very-good) 25%, transparent); }
.status-badge.good { color: var(--good); background: color-mix(in srgb, var(--good) 8%, transparent); border-color: color-mix(in srgb, var(--good) 25%, transparent); }
.status-badge.safe { color: var(--safe); background: color-mix(in srgb, var(--safe) 8%, transparent); border-color: color-mix(in srgb, var(--safe) 25%, transparent); }
.status-badge.warning { color: var(--warning); background: color-mix(in srgb, var(--warning) 8%, transparent); border-color: color-mix(in srgb, var(--warning) 25%, transparent); }
.status-badge.critical { color: var(--critical); background: color-mix(in srgb, var(--critical) 8%, transparent); border-color: color-mix(in srgb, var(--critical) 25%, transparent); }
.status-badge.unfit { color: var(--unfit); background: color-mix(in srgb, var(--unfit) 8%, transparent); border-color: color-mix(in srgb, var(--unfit) 25%, transparent); }
.status-badge.overload { color: var(--overload); background: color-mix(in srgb, var(--overload) 8%, transparent); border-color: color-mix(in srgb, var(--overload) 25%, transparent); }
.status-badge.neutral { color: var(--neutral); }
.inspector-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px 0; }
.inspector-metric { padding: 9px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-soft); }
.inspector-metric span { display: block; color: var(--text-3); font-size: 9px; }
.inspector-metric strong { display: block; margin-top: 2px; font-size: 12px; }
.inspector-form { display: grid; gap: 10px; }
.inspector-form .group-title { margin-top: 4px; padding-top: 11px; border-top: 1px solid var(--border); color: var(--text-3); font-size: 9px; font-weight: 850; letter-spacing: .1em; }
.inspector-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.inspector-form label { display: grid; gap: 5px; min-width: 0; }
.inspector-form label > span { color: var(--text-2); font-size: 10px; font-weight: 750; }
.inspector-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding-top: 14px; }
.inspector-quick { display: grid; gap: 10px; }
.inspector-quick .quick-name { grid-template-columns: 1fr; }
.inspector-advanced { margin-top: 2px; overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-soft); }
.inspector-advanced > summary { padding: 10px 12px; list-style: none; color: var(--text-3); font-size: 10px; font-weight: 850; cursor: pointer; }
.inspector-advanced > summary::-webkit-details-marker { display: none; }
.inspector-advanced > summary::after { content: '+'; float: right; color: var(--primary); font-size: 14px; line-height: 10px; }
.inspector-advanced[open] > summary::after { content: '−'; }
.inspector-advanced-content { display: grid; gap: 10px; padding: 0 12px 12px; }
.inspector-footer { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr) minmax(0,1.15fr) 42px; gap: 7px; align-items: center; padding-top: 10px; }
.inspector-footer > .button { min-width: 0; min-height: 40px; padding-inline: 10px; }
.inspector-ok { font-weight: 850; }
.inspector-delete { font-weight: 800; }
.inspector-more-actions { position: relative; }
.inspector-more-actions > summary { width: 42px; min-height: 42px; list-style: none; cursor: pointer; }
.inspector-more-actions > summary::-webkit-details-marker { display: none; }
.inspector-more-actions .inspector-actions { position: absolute; right: 0; bottom: calc(100% + 8px); z-index: 4; width: 180px; display: grid; grid-template-columns: 1fr; gap: 6px; padding: 7px; border: 1px solid var(--border-strong); border-radius: 10px; background: var(--surface); box-shadow: var(--shadow); }
.inspector-more-actions .inspector-actions .button { min-height: 36px; }


.analysis-disclosure { display: none; }
.analysis-disclosure > summary { list-style: none; }
.analysis-disclosure > summary::-webkit-details-marker { display: none; }
.analysis-disclosure-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 48px;
  padding: 8px 13px;
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow-card);
}
.analysis-disclosure-summary strong, .analysis-disclosure-summary small { display: block; }
.analysis-disclosure-summary strong { font-size: 12px; }
.analysis-disclosure-summary small { margin-top: 1px; color: var(--text-3); font-size: 9px; }
.analysis-open-label { flex: none; min-width: 48px; padding: 5px 9px; border-radius: 99px; color: var(--primary); background: color-mix(in srgb, var(--primary) 9%, transparent); font-size: 10px; font-weight: 800; text-align: center; }
.analysis-disclosure[open] .analysis-open-label { font-size: 0; }
.analysis-disclosure[open] .analysis-open-label::after { content: 'Tutup'; font-size: 10px; }
.analysis-dock { margin-top: 8px; border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden; background: var(--surface); box-shadow: var(--shadow-card); }
.analysis-tabs { display: flex; gap: 3px; overflow-x: auto; padding: 7px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.analysis-tab { flex: none; min-height: 34px; padding: 0 12px; border: 0; border-radius: 8px; color: var(--text-3); background: transparent; cursor: pointer; font-size: 11px; font-weight: 800; }
.analysis-tab.active { color: var(--text); background: var(--surface); box-shadow: 0 4px 12px rgba(15,23,42,.07); }
.tab-count { display: inline-grid; min-width: 18px; height: 18px; margin-left: 4px; place-items: center; border-radius: 99px; color: white; background: var(--critical); font-size: 9px; }
.analysis-panel { display: none; min-height: 180px; padding: 15px; }
.analysis-panel.active { display: block; }
.analysis-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.analysis-summary-grid, .capacity-grid, .reference-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 9px; }
.analysis-stat { padding: 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-soft); }
.analysis-stat span { display: block; color: var(--text-3); font-size: 9px; text-transform: uppercase; letter-spacing: .05em; }
.analysis-stat strong { display: block; margin-top: 3px; font-size: 17px; }
.analysis-table { min-width: 920px; }
.warning-list { display: grid; gap: 8px; }
.warning-item { display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--border); border-left: 3px solid var(--warning); border-radius: 9px; background: var(--surface-soft); }
.warning-item.error { border-left-color: var(--critical); }
.warning-item.info { border-left-color: var(--primary); }
.warning-icon { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; color: var(--warning); background: color-mix(in srgb, var(--warning) 10%, transparent); font-weight: 900; }
.warning-item strong, .warning-item small { display: block; }
.warning-item strong { font-size: 11px; }
.warning-item small { margin-top: 2px; color: var(--text-3); font-size: 9px; }
.reference-card { padding: 13px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-soft); }
.reference-card h3 { margin-bottom: 8px; color: var(--primary); font-size: 12px; }
.reference-list { display: grid; gap: 5px; color: var(--text-2); font-size: 10px; }

.table-card { overflow: hidden; min-height: calc(100vh - 126px); }
.table-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px; border-bottom: 1px solid var(--border); }
.table-head h2 { margin-top: 2px; }
.table-controls { display: flex; gap: 8px; }
.table-controls input { width: 220px; }
.table-controls input, .table-controls select { min-height: 36px; }
.table-scroll { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th { position: sticky; top: 0; z-index: 1; background: var(--surface-2); color: var(--text-3); font-size: 9px; letter-spacing: .05em; text-transform: uppercase; text-align: left; }
th, td { padding: 11px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { font-size: 10px; color: var(--text-2); }
td strong { color: var(--text); }
.path-cell { max-width: 340px; overflow: hidden; text-overflow: ellipsis; }
.table-action { border: 1px solid var(--border); background: transparent; color: var(--primary); border-radius: 7px; padding: 5px 8px; font-size: 9px; cursor: pointer; }
.path-row-action { white-space: nowrap; }
.path-detail-toggle { display: none; }
.table-empty { text-align: center; padding: 40px !important; color: var(--text-3); }

.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; border: 0 !important; }

.report-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 12px; align-items: start; }
.report-sheet { padding: 28px; min-height: calc(100vh - 126px); }
.report-brand-row { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.report-brand strong, .report-brand span { display: block; }
.report-brand strong { font-size: 13px; }
.report-brand span { color: var(--text-3); font-size: 9px; }
.report-date { color: var(--text-3); font-size: 10px; }
.report-title-block { padding: 27px 0 20px; }
.report-title-block h1 { margin: 4px 0 4px; font-size: 28px; letter-spacing: -.04em; }
.report-title-block p { color: var(--text-3); font-size: 11px; }
.report-kpis { display: grid; grid-template-columns: repeat(4,1fr); gap: 9px; }
.report-kpi { padding: 12px; border: 1px solid var(--border); border-radius: 11px; background: var(--surface-soft); }
.report-kpi span { display: block; color: var(--text-3); font-size: 9px; }
.report-kpi strong { display: block; margin-top: 3px; font-size: 17px; }
.report-section { margin-top: 24px; }
.report-section h3 { margin-bottom: 10px; font-size: 13px; }
.report-params { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.report-param { padding: 10px; border-left: 2px solid var(--primary); background: var(--surface-soft); }
.report-param span { display: block; color: var(--text-3); font-size: 8px; text-transform: uppercase; letter-spacing: .06em; }
.report-param strong { display: block; margin-top: 2px; font-size: 11px; }
.report-table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 11px; }
.report-table th, .report-table td { padding: 9px 10px; font-size: 9px; }
.report-note { margin-top: 20px; padding: 13px; border: 1px solid color-mix(in srgb, var(--warning) 25%, var(--border)); background: color-mix(in srgb, var(--warning) 6%, var(--surface)); border-radius: 11px; }
.report-note strong { font-size: 10px; }
.report-note p { margin: 3px 0 0; color: var(--text-3); font-size: 9px; }
.report-actions-card { padding: 18px; position: sticky; top: 14px; }
.report-actions-card h2 { margin: 3px 0 8px; }
.report-actions-card p { color: var(--text-3); font-size: 10px; }
.report-actions-card .button { margin-top: 8px; }

.modal-backdrop { position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.25); }
.modal-backdrop[hidden] { display: none; }
.app-confirm-backdrop { z-index: 220; display: grid; place-items: center; padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); background: rgba(2,8,18,.7); backdrop-filter: blur(5px); }
.app-confirm-dialog { width: min(460px,100%); max-height: calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom)); overflow-y: auto; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius-card); background: var(--surface); box-shadow: var(--shadow-modal); }
.app-confirm-dialog h2 { margin: 5px 0 8px; font-size: 18px; letter-spacing: -.02em; }
.app-confirm-dialog p { margin: 0; color: var(--text-2); font-size: 11px; line-height: 1.6; white-space: pre-line; }
.app-confirm-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.app-confirm-actions .button { min-width: 96px; }
.node-editor-backdrop { position: fixed; inset: 0; z-index: 160; background: rgba(2,8,18,.72); backdrop-filter: blur(4px); }
.node-editor-backdrop[hidden] { display: none; }
.inspector-card.floating {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 170;
  width: min(500px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  min-height: 0;
  transform: translate(-50%, -50%);
  overflow: hidden;
  box-shadow: var(--shadow-modal);
}
.inspector-card.floating .inspector-content { display: flex; flex-direction: column; max-height: inherit; overflow: hidden; padding: 16px; }
.inspector-card.floating .inspector-form { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding-right: 2px; }
.inspector-card.floating .inspector-footer { flex: 0 0 auto; background: var(--surface); }
.inspector-card.floating .inspector-close { display: grid; }
body.editor-open { overflow: hidden; }
.menu-popover { position: absolute; right: max(70px, env(safe-area-inset-right)); top: max(62px, env(safe-area-inset-top)); width: 230px; max-width: calc(100vw - 24px - env(safe-area-inset-left) - env(safe-area-inset-right)); padding: 7px; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--surface); box-shadow: var(--shadow-popover); }
.menu-popover button { width: 100%; text-align: left; border: 0; border-radius: 9px; background: transparent; padding: 9px 10px; color: var(--text); cursor: pointer; }
.menu-popover button:hover { background: var(--surface-2); }
.menu-popover span, .menu-popover small { display: block; }
.menu-popover span { font-weight: 800; font-size: 11px; }
.menu-popover small { margin-top: 1px; color: var(--text-3); font-size: 9px; }
.toast-stack { position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: 150; display: grid; gap: 8px; max-width: calc(100vw - 32px - env(safe-area-inset-left) - env(safe-area-inset-right)); }
.toast { min-width: 250px; max-width: 360px; padding: 11px 13px; border: 1px solid var(--border); border-radius: 11px; background: var(--surface); box-shadow: var(--shadow); animation: toastIn .2s ease; }
.toast strong { display: block; font-size: 11px; }
.toast span { display: block; margin-top: 2px; color: var(--text-3); font-size: 9px; }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } }

.mobile-only { display: none; }
.canvas-card.fullscreen { position: fixed; inset: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); z-index: 90; width: auto; height: auto; overflow: hidden; border-radius: var(--radius-card); box-shadow: var(--shadow-modal); }

/* SVG diagram */
.svg-edge { fill: none; stroke-width: 2.2; vector-effect: non-scaling-stroke; transition: opacity .2s ease, filter .2s ease; }
.svg-edge.veryGood { stroke: var(--very-good); }
.svg-edge.good { stroke: var(--good); }
.svg-edge.safe { stroke: var(--safe); }
.svg-edge.warning { stroke: var(--warning); }
.svg-edge.critical { stroke: var(--critical); }
.svg-edge.unfit { stroke: var(--unfit); }
.svg-edge.overload { stroke: var(--overload); }
.svg-edge.neutral { stroke: var(--neutral); stroke-dasharray: 6 5; }
.svg-edge.cable-olt { stroke: var(--cable-olt); stroke-width: 3; stroke-dasharray: none; }
.svg-edge.cable-backbone { stroke: var(--cable-backbone); stroke-width: 3; stroke-dasharray: none; }
.svg-edge.cable-passive { stroke: var(--cable-passive); stroke-width: 2.8; stroke-dasharray: none; }
.svg-edge.cable-customer { stroke: var(--cable-customer); stroke-width: 2.8; stroke-dasharray: none; }
.svg-edge.cable-inactive { stroke: var(--cable-inactive); stroke-width: 2.4; stroke-dasharray: 7 6; opacity: .75; }
.svg-edge.open-backbone { stroke-dasharray: 7 6; opacity: .9; }
.svg-edge.problem-base { opacity: .58; }
.svg-edge-alert { fill: none; vector-effect: non-scaling-stroke; pointer-events: none; stroke-linecap: round; stroke-linejoin: round; }
.svg-edge-alert.warning { stroke: var(--warning); animation: cableAlertBlink 1.05s steps(2,end) infinite; }
.svg-edge-alert.critical { stroke: #ff7a1a; animation: cableAlertBlink .78s steps(2,end) infinite; filter: drop-shadow(0 0 2px rgba(255,122,26,.65)); }
.svg-edge-alert.unfit { stroke: var(--unfit); animation: cableBrokenPulse .72s steps(2,end) infinite; filter: drop-shadow(0 0 4px color-mix(in srgb, var(--unfit) 78%, transparent)); }
.svg-edge-alert.overload { stroke: var(--overload); animation: cableOverloadPulse .9s ease-in-out infinite; filter: drop-shadow(0 0 3px color-mix(in srgb, var(--overload) 70%, transparent)); }
@keyframes cableAlertFlow { to { stroke-dashoffset: -28; } }
@keyframes cableAlertBlink { 0%,42%,100% { opacity: 1; stroke-dashoffset: 0; } 55%,76% { opacity: .18; stroke-dashoffset: -14; } }
@keyframes cableBrokenPulse { 0%,36%,100% { opacity: 1; stroke-dashoffset: 0; } 48%,68% { opacity: .18; stroke-dashoffset: -9; } }
@keyframes cableOverloadPulse { 0%,100% { opacity: .5; stroke-width: 4.6; } 50% { opacity: 1; stroke-width: 6.4; } }
.svg-node { cursor: grab; touch-action: none; filter: none; }
.svg-node.selected { filter: var(--node-shadow-selected); }
.svg-node.dragging { cursor: grabbing; filter: var(--node-shadow-dragging); }
.svg-node .node-bg { fill: var(--surface); stroke: var(--border-strong); stroke-width: 1.2; }
.svg-node:hover .node-bg { stroke: var(--primary); }
.svg-node.selected .node-bg { stroke: var(--primary); stroke-width: 2; }
.svg-node:focus { outline: none; }
.svg-node:focus-visible .node-bg { stroke: var(--primary); stroke: color-mix(in srgb, var(--primary) 78%, white 22%); stroke-width: 2.4; }
.svg-node:focus-visible { filter: var(--node-shadow-selected); }
.svg-node .node-accent.veryGood { fill: var(--very-good); }
.svg-node .node-accent.good { fill: var(--good); }
.svg-node .node-accent.safe { fill: var(--safe); }
.svg-node .node-accent.warning { fill: var(--warning); }
.svg-node .node-accent.critical { fill: var(--critical); }
.svg-node .node-accent.unfit { fill: var(--unfit); }
.svg-node .node-accent.overload { fill: var(--overload); }
.svg-node .node-accent.neutral { fill: var(--neutral); }
.svg-node text { pointer-events: none; font-family: var(--font); }
.svg-node .node-type { fill: var(--text-3); font-size: 8.5px; font-weight: 850; letter-spacing: .78px; }
.svg-node .node-title { fill: var(--text); font-size: 14.5px; font-weight: 850; letter-spacing: -.12px; }
.svg-node .node-title.ratio-title { font-size: 16.5px; letter-spacing: .02px; }
.svg-node .node-sub { fill: var(--text-3); font-size: 8px; }
.svg-node .node-value { fill: var(--text); font-size: 11.5px; font-weight: 850; }
.svg-node .node-value.ratio-value { font-size: 13px; }
.svg-node .node-label { fill: var(--text-3); font-size: 7.8px; font-weight: 700; }
.svg-node .node-pill { fill: var(--surface-2); stroke: var(--border); }
.svg-node .node-pill-text { fill: var(--text-2); font-size: 7.5px; font-weight: 750; }
.svg-node .svg-output-tray { pointer-events: auto; filter: none; }
.svg-node .output-tray-bg { fill: var(--surface); stroke: var(--border-strong); stroke-width: 1; }
.svg-node .output-tray-title { font-size: 7.8px; font-weight: 800; letter-spacing: .35px; }
.svg-node .output-slot { stroke-width: 1.2; }
.svg-node .output-slot-label { font-size: 7.5px; font-weight: 800; }
.svg-output-slot-control { cursor: pointer; outline: none; }
.svg-output-slot-control:hover .output-slot, .svg-output-slot-control:focus .output-slot { stroke-width: 2.2; filter: brightness(1.12); }
.svg-output-slot-control.port-group { cursor: default; }
.svg-port-view-toggle { cursor: pointer; outline: none; }
.svg-port-view-toggle:hover rect, .svg-port-view-toggle:focus rect { stroke: var(--primary); stroke-width: 1.5; }
.svg-port { fill: var(--surface); stroke: var(--border-strong); stroke-width: 1.5; }
.svg-port.output-handle { pointer-events: none; }
.svg-edge-label-bg { fill: var(--surface); stroke: var(--border); }
.svg-edge-label { fill: var(--text-2); font-size: 9px; font-family: var(--font); font-weight: 650; }
.svg-edge-label-bg.problem-label { stroke-width: 1.4; }
.svg-edge-label.problem-label { font-weight: 800; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
  .svg-edge-alert, .legend-line { animation: none !important; }
}
.coupler-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.coupler-actions.single { grid-template-columns: 1fr; }
.coupler-actions .button { min-height: 40px; padding: 8px 10px; white-space: normal; line-height: 1.25; }
.svg-branch-label { fill: var(--text-2); font-size: 8px; font-weight: 800; font-family: var(--font); }

.port-connect-menu { position: fixed; z-index: 190; width: min(330px, calc(100vw - 24px)); max-height: min(680px, calc(100vh - 24px)); max-height: min(680px, calc(100dvh - 24px - env(safe-area-inset-top) - env(safe-area-inset-bottom))); overflow-y: auto; padding: 14px; border: 1px solid var(--border-strong); border-radius: var(--radius-card); background: var(--surface); box-shadow: var(--shadow-popover); }
.port-connect-menu[hidden] { display: none; }
.port-connect-menu header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.port-connect-menu header strong { display: block; margin-top: 3px; font-size: 13px; }
.port-connect-menu > p { margin: 0 0 12px; padding: 9px 10px; border-radius: 9px; color: var(--text-2); background: var(--surface-2); font-size: 10px; line-height: 1.45; }
.port-connect-menu label { display: grid; gap: 5px; margin-top: 9px; color: var(--text-3); font-size: 9px; font-weight: 800; }
.port-connect-menu select { width: 100%; min-height: 35px; padding: 0 9px; border: 1px solid var(--border); border-radius: 8px; color: var(--text); background: var(--surface); }
.port-connect-menu .button { margin-top: 7px; }
.port-connect-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 7px; margin-top: 8px; }
.port-connect-grid .button { margin-top: 0; min-height: 38px; white-space: normal; }
.used-port-actions { display: grid; gap: 8px; }
.used-port-actions .button { margin-top: 0; }

@media (max-width: 1280px) {
  .app-header { grid-template-columns: auto minmax(0,1fr) auto; }
  .canvas-title span { display: none; }
  .analysis-summary-grid, .capacity-grid, .reference-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .summary-grid { grid-template-columns: repeat(5, minmax(130px,1fr)); overflow-x: auto; }
}

@media (min-width: 901px) {
  .header-more-menu .compact-navigation { display: none; }
}

@media (max-width: 900px) {
  .header-navigation { display: none; }
}

@media (max-width: 1180px) {
  body { overflow: hidden; }
  body.sidebar-open { overflow: hidden; }
  .app-header { position: sticky; top: 0; grid-template-columns: auto 1fr auto; }
  .brand-block .brand-title, .project-meta, .save-state { display: none; }
  .brand-block .brand-mark { width: 32px; height: 32px; border-radius: 10px; }
  .brand-block .brand-mark svg { width: 21px; height: 21px; }
  .mobile-only { display: grid; }
  .workspace { display: block; }
  .sidebar {
    width: min(360px, 92vw);
    overflow-y: scroll;
    touch-action: pan-y;
    -webkit-overflow-scrolling: touch;
    padding-bottom: calc(36px + env(safe-area-inset-bottom));
  }
  .main-content { height: calc(100dvh - var(--header-h)); min-height: 0; overflow: hidden; }
  .inspector-card { min-height: 340px; }
  .summary-grid { grid-template-columns: repeat(5, 160px); }
  .report-layout { grid-template-columns: 1fr; }
  .report-actions-card { position: static; }
}

@media (max-width: 640px) {
  :root { --header-h: 48px; }
  .svg-edge-label,
  .svg-edge-label-bg { display: none; }
  .app-header { padding: 0 max(8px, env(safe-area-inset-right)) 0 max(8px, env(safe-area-inset-left)); gap: 7px; }
  .brand-block { gap: 6px; }
  .brand-block .brand-mark { width: 28px; height: 28px; border-radius: 9px; }
  .brand-block .brand-mark svg { width: 19px; height: 19px; }
  .brand-block .eyebrow { font-size: 8.5px; letter-spacing: .11em; }
  .project-name { font-size: 12px; }
  .professional-badge { display: none; }
  .header-actions { gap: 5px; }
  .header-actions #saveBtn { min-height: 32px; padding: 0 10px; }
  .header-more > summary { width: 32px; min-height: 32px; }
  .header-more-menu { position: fixed; top: 46px; right: 6px; width: min(220px, calc(100vw - 12px)); }
  .header-more-menu .compact-navigation { display: grid; width: 100%; overflow: visible; }
  .header-more-menu .compact-navigation .main-tab { min-width: 0; min-height: 31px; font-size: 10px; }
  .main-content { height: calc(100dvh - var(--header-h)); min-height: 0; padding: 0; }
  .live-indicator { display: none; }
  .canvas-toolbar { grid-template-columns: minmax(0,1fr) auto; padding-inline: 6px; }
  .toolbar-group { min-width: 0; gap: 4px; }
  .canvas-toolbar > .toolbar-group:first-child { grid-column: 1; justify-self: start; }
  .canvas-toolbar > .toolbar-group:last-child { grid-column: 2; justify-self: end; }
  .canvas-title { display: none; }
  .zoom-label, #exportPngBtn { display: none; }
  #fitViewBtn { display: inline-flex; align-items: center; justify-content: center; min-width: 45px; }
  .fit-label-desktop { display: none; }
  .fit-label-mobile { display: inline; }
  .tool-button { min-width: 34px; min-height: 32px; }
  .toolbar-more-menu { position: fixed; top: 92px; right: 6px; width: min(210px, calc(100vw - 12px)); }
  .canvas-card { grid-template-rows: 42px minmax(0,1fr) 30px; border-radius: 0; }
  .canvas-card.fullscreen { inset: max(4px, env(safe-area-inset-top)) max(4px, env(safe-area-inset-right)) max(4px, env(safe-area-inset-bottom)) max(4px, env(safe-area-inset-left)); border-radius: var(--radius-control); }
  .canvas-scroll { scrollbar-width: none; }
  .canvas-scroll::-webkit-scrollbar { display: none; }
  .canvas-legend { gap: 12px; overflow-x: auto; justify-content: flex-start; padding: 0 8px; font-size: 9px; scrollbar-width: none; }
  .canvas-legend::-webkit-scrollbar { display: none; }
  .table-head { align-items: flex-start; flex-direction: column; }
  .table-controls { width: 100%; flex-direction: column; }
  .table-controls input { width: 100%; }
  .report-sheet { padding: 18px; }
  .report-kpis { grid-template-columns: 1fr 1fr; }
  .report-params { grid-template-columns: 1fr 1fr; }
  .menu-popover { right: max(12px, env(safe-area-inset-right)); top: max(56px, env(safe-area-inset-top)); }
  .inspector-card.floating { width: calc(100vw - 20px); max-height: calc(100vh - 20px); }
  .inspector-card.floating .inspector-content { padding: 15px; }
  .inspector-form .row { grid-template-columns: 1fr 1fr; }
  .analysis-summary-grid, .capacity-grid, .reference-grid { grid-template-columns: 1fr; }
  .analysis-panel { padding: 11px; }
  .analysis-disclosure-summary small { display: none; }
  .mobile-canvas-hint { display: block; }

  .main-panel[data-main-panel="paths"].active,
  .main-panel[data-main-panel="report"].active { padding: 8px; }
  .table-card { min-height: calc(100dvh - var(--header-h) - 16px); border-radius: var(--radius-control); }
  .table-head { gap: 10px; padding: 14px; }
  .table-head h2 { font-size: 15px; }

  .paths-table,
  .paths-table tbody { display: block; width: 100%; }
  .paths-table thead { display: none; }
  #pathsTableBody { display: grid; gap: 8px; padding: 8px; }
  #pathsTableBody tr { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 7px 12px; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--surface); }
  #pathsTableBody td { display: none; min-width: 0; padding: 0; border: 0; white-space: normal; }
  #pathsTableBody td:nth-child(1),
  #pathsTableBody td:nth-child(12),
  #pathsTableBody td:nth-child(13),
  #pathsTableBody td:nth-child(15),
  #pathsTableBody td:nth-child(16),
  #pathsTableBody tr.expanded td { display: flex; align-items: center; justify-content: space-between; gap: 14px; grid-column: 1 / -1; }
  #pathsTableBody td:nth-child(1),
  #pathsTableBody tr.expanded td:nth-child(1) { display: block; padding-bottom: 8px; border-bottom: 1px solid var(--border); color: var(--text); font-size: 12px; }
  #pathsTableBody td[data-label]::before { content: attr(data-label); flex: none; color: var(--text-3); font-size: 10px; font-weight: 700; }
  #pathsTableBody td:nth-child(1)::before,
  #pathsTableBody .path-row-action::before { display: none; }
  #pathsTableBody .path-cell { max-width: none; overflow: visible; text-overflow: clip; }
  #pathsTableBody .path-row-action { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding-top: 4px; }
  #pathsTableBody .path-detail-toggle { display: inline-flex; align-items: center; justify-content: center; }
  #pathsTableBody .table-action { min-height: 38px; font-size: 11px; }
  #pathsTableBody .table-empty { display: block !important; padding: 28px 8px !important; border: 0 !important; text-align: center; }

  .report-sheet { min-height: auto; padding: 16px; border-radius: var(--radius-control); }
  .report-title-block { padding: 18px 0 14px; }
  .report-title-block h1 { font-size: 22px; }
  .report-section { margin-top: 18px; }
  .report-table-wrap { overflow: visible; border: 0; }
  .report-table,
  .report-table tbody { display: block; width: 100%; }
  .report-table thead { display: none; }
  .report-table tbody { display: grid; gap: 8px; }
  .report-table tr { display: grid; gap: 6px; padding: 11px 0; border-bottom: 1px solid var(--border); }
  .report-table td { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 0; border: 0; white-space: normal; font-size: 11px; }
  .report-table td::before { content: attr(data-label); flex: none; color: var(--text-3); font-size: 10px; font-weight: 700; }
  .report-table td:first-child { padding-bottom: 5px; color: var(--text); font-size: 12px; }
  .report-table td:first-child::before { display: none; }
  .report-table .path-cell { max-width: none; text-align: right; }
  .report-actions-card { padding: 14px; border-radius: var(--radius-control); }
}

@media (max-width: 380px) {
  .brand-block .brand-mark { display: none; }
  .project-name { max-width: 168px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .inspector-form .row { grid-template-columns: 1fr; }
  .inspector-card.floating { width: calc(100vw - 12px); }
}

@media (max-width: 480px) {
  .inspector-form .row { grid-template-columns: 1fr; }
}

@media (max-width: 640px), (max-height: 480px) and (pointer: coarse) {
  .inspector-card.floating {
    left: max(0px, env(safe-area-inset-left));
    right: max(0px, env(safe-area-inset-right));
    top: auto;
    bottom: 0;
    width: auto;
    max-height: min(86dvh, calc(100dvh - env(safe-area-inset-top)));
    transform: none;
    border-radius: var(--radius-card) var(--radius-card) 0 0;
  }
  .inspector-card.floating .inspector-content {
    padding: 13px max(12px, env(safe-area-inset-right)) calc(13px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  }
}

@media (pointer: coarse) {
  .button,
  .icon-button,
  .tool-button,
  .side-tab,
  .main-tab,
  .table-action,
  .port-connect-grid .button,
  .used-port-actions .button,
  .coupler-actions .button,
  .header-actions #saveBtn,
  .header-more > summary,
  .toolbar-more > summary,
  .header-more-menu .compact-navigation .main-tab {
    min-height: var(--touch-h);
  }

  .icon-button,
  .header-more > summary,
  .toolbar-more > summary {
    min-width: var(--touch-h);
  }

  .field input,
  .field select,
  .field textarea,
  .table-controls input,
  .table-controls select,
  .inspector-form input,
  .inspector-form select,
  .inspector-form textarea,
  .port-connect-menu select {
    min-height: var(--touch-h);
    font-size: 16px;
  }

  .svg-output-slot-control,
  .svg-port-view-toggle {
    pointer-events: bounding-box;
    touch-action: manipulation;
  }
}

@media (max-width: 640px) and (pointer: coarse) {
  .canvas-card { grid-template-rows: 52px minmax(0,1fr) 30px; }
  .canvas-toolbar { min-height: 52px; }
  .header-more-menu { top: calc(var(--header-h) - 2px); }
  .toolbar-more-menu { top: calc(var(--header-h) + 50px); }
}

@media print {
  body { overflow: visible; background: white; color: #172235; }
  .app-header, .sidebar, .main-tabs, .summary-grid, .canvas-card, .inspector-card, .report-actions-card, .toast-stack, .node-editor-backdrop { display: none !important; }
  .workspace, .main-content, .main-panel, .report-layout { display: block !important; padding: 0 !important; margin: 0 !important; background: white !important; }
  .main-panel:not([data-main-panel="report"]) { display: none !important; }
  .report-sheet { display: block !important; border: 0; box-shadow: none; padding: 14mm; min-height: auto; color: #172235; }
  .report-sheet * { color: inherit; }
  .report-table th { position: static; background: #eef3f8; }
  .report-note, .report-param, .report-kpi { background: #f7f9fb; }
  @page { size: A4 landscape; margin: 8mm; }
}