*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  /* Backgrounds */
  --bg:      #f0f4f8;
  --bg2:     #ffffff;
  --bg3:     #e8eef4;
  --bg4:     #dce6ef;
  --border:  rgba(0,40,85,.14);
  --border2: rgba(0,40,85,.07);

  /* Brand colours */
  --cyan:    #004c97;
  --cyan2:   #003875;
  --green:   #1a8a3e;
  --green2:  #146b30;
  --red:     #d32f2f;
  --red2:    #b71c1c;
  --yellow:  #d97706;
  --orange:  #c2410c;
  --blue:    #004c97;
  --blue2:   #003875;
  --accent:  #004c97;

  /* Text */
  --text:    #1a2b3c;
  --text2:   #4a6478;
  --text3:   #8aa0b8;
  --radius:  4px;

  /* Fonts */
  --font:    'DM Sans', sans-serif;
  --mono:    'JetBrains Mono', 'Courier New', monospace;
  --display: 'DM Sans', sans-serif;

  /* Theme helpers */
  --btn-text:   #ffffff;
  --btn-hover:  #0060c0;
  --glow:       rgba(0,76,151,.22);
  --glow-hover: rgba(0,76,151,.42);
  --glow-sm:    rgba(0,76,151,.1);
  --glow-focus: rgba(0,76,151,.08);
  --focus-ring: rgba(0,76,151,.4);

  /* Header */
  --header-bg1:    #002855;
  --header-bg2:    #001f40;
  --header-accent: #0060c0;
  --header-logo:   #ffffff;
  --header-sub:    rgba(255,255,255,.55);
  --signal-color:  rgba(255,255,255,.7);

  /* Body gradient */
  --body-grad1: rgba(0,76,151,.06);
  --body-grad2: rgba(0,76,151,.03);
  --tab-bg:     rgba(232,238,244,.98);
}

[data-theme="dark"] {
  /* Deep navy #002855 */
  --bg:      #0a1628;
  --bg2:     #0f1f38;
  --bg3:     #162844;
  --bg4:     #1c3152;
  --border:  rgba(255,255,255,.1);
  --border2: rgba(255,255,255,.055);

  /* Blue adapted for dark backgrounds */
  --cyan:    #4da6ff;
  --cyan2:   #2e8fe8;
  --green:   #34d97b;
  --green2:  #28b065;
  --red:     #f05568;
  --red2:    #d43350;
  --yellow:  #fbbf24;
  --orange:  #fb923c;
  --blue:    #4da6ff;
  --blue2:   #2e8fe8;
  --accent:  #4da6ff;

  --text:    #e8f0f8;
  --text2:   #7ea8c8;
  --text3:   #3d6485;

  /* Same fonts as light mode — consistent brand identity */
  --font:    'DM Sans', sans-serif;
  --mono:    'JetBrains Mono', 'Courier New', monospace;
  --display: 'DM Sans', sans-serif;

  --btn-text:   #ffffff;
  --btn-hover:  #6db8ff;
  --glow:       rgba(77,166,255,.25);
  --glow-hover: rgba(77,166,255,.45);
  --glow-sm:    rgba(77,166,255,.12);
  --glow-focus: rgba(77,166,255,.08);
  --focus-ring: rgba(77,166,255,.45);

  /* Header: deeper navy than bg */
  --header-bg1:    #071220;
  --header-bg2:    #04101b;
  --header-accent: rgba(77,166,255,.25);
  --header-logo:   #ffffff;
  --header-sub:    rgba(255,255,255,.5);
  --signal-color:  rgba(255,255,255,.65);

  --body-grad1: rgba(77,166,255,.05);
  --body-grad2: rgba(77,166,255,.025);
  --tab-bg:     rgba(15,31,56,.98);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  height: 100vh;
  overflow: hidden;
  background-image:
    radial-gradient(ellipse 60% 40% at 20% 0%, var(--body-grad1) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 80% 100%, var(--body-grad2) 0%, transparent 50%);
  transition: background .25s, color .25s;
  display: flex;
  flex-direction: column;
}
.app-body {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */
.header {
  background: linear-gradient(180deg, var(--header-bg1) 0%, var(--header-bg2) 100%);
  border-bottom: 1px solid var(--header-accent);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 56px;
  position: relative;
  box-shadow: 0 2px 16px rgba(0,0,0,.35);
}
.header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--header-accent) 30%, var(--header-accent) 70%, transparent 100%);
  opacity: .5;
}
.header-logo {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  color: var(--header-logo);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.header-logo span {
  color: var(--header-sub);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: 2px;
  margin-left: 2px;
}
.header-signal {
  display: flex;
  gap: 3px;
  align-items: flex-end;
  height: 18px;
  margin-left: 4px;
}
.header-signal span {
  display: block;
  width: 3px;
  background: var(--signal-color);
  border-radius: 1px;
  opacity: .7;
  animation: signal-bar 1.4s ease-in-out infinite;
}
.header-signal span:nth-child(1) { height: 6px;  animation-delay: 0s; }
.header-signal span:nth-child(2) { height: 10px; animation-delay: .2s; }
.header-signal span:nth-child(3) { height: 14px; animation-delay: .4s; }
.header-signal span:nth-child(4) { height: 18px; animation-delay: .6s; }
@keyframes signal-bar {
  0%, 100% { opacity: .25; }
  50% { opacity: .9; }
}
#detail-badge {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: 4px 12px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--header-logo);
  cursor: pointer;
  display: none;
  letter-spacing: .5px;
  transition: all .15s;
}
#detail-badge:hover { background: rgba(255,255,255,.18); }

/* ── Version tag ─────────────────────────────────────────────────────────────── */
.version-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 3px 8px;
  letter-spacing: .03em;
  white-space: nowrap;
  user-select: none;
}

/* ── Theme toggle ────────────────────────────────────────────────────────────── */
.theme-toggle {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  color: var(--header-logo);
  width: 34px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  transition: background .2s, border-color .2s;
  flex-shrink: 0;
  line-height: 1;
}
.theme-toggle:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.38);
}

/* ── Sidebar Nav ─────────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 8px;
  background: var(--tab-bg);
  border-right: 1px solid var(--border);
  width: 172px;
  flex-shrink: 0;
  overflow-y: auto;
}
.tabs::-webkit-scrollbar { width: 0; }
.tab {
  padding: 10px 12px;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--text3);
  cursor: pointer;
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: color .2s, background .2s, border-color .2s;
  white-space: nowrap;
  position: relative;
}
.tab:hover { color: var(--text2); background: var(--bg3); }
.tab.active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(0,76,151,.07);
}
[data-theme="dark"] .tab.active {
  background: rgba(77,166,255,.1);
}
.tab .badge {
  display: inline-block;
  background: var(--bg4);
  color: var(--text3);
  font-size: 10px;
  font-family: var(--mono);
  padding: 1px 5px;
  border-radius: 2px;
  margin-left: 5px;
  border: 1px solid var(--border2);
}
.tab.active .badge {
  background: rgba(0,76,151,.08);
  color: var(--cyan);
  border-color: rgba(0,76,151,.25);
}
[data-theme="dark"] .tab.active .badge {
  background: rgba(77,166,255,.12);
  border-color: rgba(77,166,255,.3);
}
#tab-settings {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

/* ── Content ─────────────────────────────────────────────────────────────────── */
.content { padding: 20px 24px; flex: 1; overflow-y: auto; }
.panel { display: none; }
.panel.active { display: block; animation: panel-in .2s ease-out; }
.sub-panel { display: none; }
.sub-panel.active { display: block; }
@keyframes panel-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ── Toolbar ─────────────────────────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border2);
}
.toolbar-spacer { flex: 1; }

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
  background: var(--cyan);
  color: var(--btn-text);
  border: none;
  border-radius: var(--radius);
  padding: 7px 16px;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .4px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
  box-shadow: 0 0 16px var(--glow);
}
.btn:hover {
  background: var(--btn-hover);
  box-shadow: 0 0 24px var(--glow-hover);
  transform: translateY(-1px);
}
.btn:disabled { opacity: .4; cursor: default; transform: none; box-shadow: none; }
.btn-sm { padding: 5px 10px; font-size: 11px; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  box-shadow: none;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3px;
  text-transform: uppercase;
}
.addin-os-btn.active {
  background: var(--cyan);
  color: #0a0f1a;
  border-color: var(--cyan);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--glow-focus);
  box-shadow: 0 0 10px var(--glow-sm);
  transform: none;
}
.btn-danger {
  background: transparent;
  border: 1px solid rgba(211,47,47,.25);
  color: var(--text3);
  box-shadow: none;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}
[data-theme="dark"] .btn-danger { border-color: rgba(240,85,104,.2); }
.btn-danger:hover {
  border-color: var(--red);
  color: var(--red);
  background: rgba(211,47,47,.06);
  box-shadow: none;
  transform: none;
}
[data-theme="dark"] .btn-danger:hover { background: rgba(240,85,104,.07); }
.sep { width: 1px; height: 20px; background: var(--border2); flex-shrink: 0; }

/* ── Filter pills ────────────────────────────────────────────────────────────── */
.filter-group { display: flex; gap: 4px; flex-wrap: wrap; }
.fbtn {
  padding: 4px 12px;
  border-radius: 2px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text3);
  font-family: var(--display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .4px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .15s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.fbtn:hover { border-color: var(--text3); color: var(--text2); }
.fbtn.active { border-color: var(--cyan); color: var(--cyan); background: var(--glow-focus); }
.fbtn.f-green.active  { border-color: var(--green);  color: var(--green);  background: rgba(26,138,62,.07); }
.fbtn.f-yellow.active { border-color: var(--yellow); color: var(--yellow); background: rgba(217,119,6,.07); }
.fbtn.f-orange.active { border-color: var(--orange); color: var(--orange); background: rgba(194,65,12,.07); }
.fbtn.f-red.active    { border-color: var(--red);    color: var(--red);    background: rgba(211,47,47,.07); }
.fbtn.f-up.active     { border-color: var(--green);  color: var(--green);  background: rgba(26,138,62,.07); }
.fbtn.f-down.active   { border-color: var(--red);    color: var(--red);    background: rgba(211,47,47,.07); }
[data-theme="dark"] .fbtn.f-green.active  { background: rgba(52,217,123,.07); }
[data-theme="dark"] .fbtn.f-yellow.active { background: rgba(251,191,36,.07); }
[data-theme="dark"] .fbtn.f-orange.active { background: rgba(251,146,60,.07); }
[data-theme="dark"] .fbtn.f-red.active    { background: rgba(240,85,104,.07); }
[data-theme="dark"] .fbtn.f-up.active     { background: rgba(52,217,123,.07); }
[data-theme="dark"] .fbtn.f-down.active   { background: rgba(240,85,104,.07); }

/* ── Status dots & badges ────────────────────────────────────────────────────── */
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 5px; vertical-align: middle; }
.dot-green  { background: var(--green); box-shadow: 0 0 6px var(--green); animation: pulse-green 2s ease-in-out infinite; }
.dot-yellow { background: var(--yellow); }
.dot-orange { background: var(--orange); }
.dot-red    { background: var(--red); box-shadow: 0 0 4px rgba(211,47,47,.5); }
[data-theme="dark"] .dot-red { box-shadow: 0 0 4px rgba(240,85,104,.5); }
.dot-gray   { background: var(--text3); }
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 4px var(--green); opacity: 1; }
  50%       { box-shadow: 0 0 10px var(--green), 0 0 20px var(--green); opacity: .85; }
}
.badge { display: inline-block; padding: 2px 7px; border-radius: 2px; font-size: 10px; font-family: var(--mono); font-weight: 500; letter-spacing: .3px; }
.badge-green  { background: rgba(26,138,62,.1);   color: var(--green);  border: 1px solid rgba(26,138,62,.25); }
.badge-red    { background: rgba(211,47,47,.1);   color: var(--red);    border: 1px solid rgba(211,47,47,.25); }
.badge-yellow { background: rgba(217,119,6,.1);   color: var(--yellow); border: 1px solid rgba(217,119,6,.25); }
.badge-orange { background: rgba(194,65,12,.1);   color: var(--orange); border: 1px solid rgba(194,65,12,.25); }
.badge-gray   { background: var(--bg3);           color: var(--text3);  border: 1px solid var(--border2); }
.badge-blue   { background: rgba(0,76,151,.08);   color: var(--cyan);   border: 1px solid rgba(0,76,151,.2); }
[data-theme="dark"] .badge-green  { background: rgba(52,217,123,.1);  border-color: rgba(52,217,123,.25); }
[data-theme="dark"] .badge-red    { background: rgba(240,85,104,.1);  border-color: rgba(240,85,104,.25); }
[data-theme="dark"] .badge-yellow { background: rgba(251,191,36,.1);  border-color: rgba(251,191,36,.25); }
[data-theme="dark"] .badge-orange { background: rgba(251,146,60,.1);  border-color: rgba(251,146,60,.25); }
[data-theme="dark"] .badge-blue   { background: rgba(77,166,255,.1);  border-color: rgba(77,166,255,.25); }

/* ── Tables ──────────────────────────────────────────────────────────────────── */
.table-wrap {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.table-title {
  padding: 10px 16px;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text2);
  border-bottom: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg3);
}
.table-title .cnt {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
}
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--bg3);
  color: var(--text3);
  font-family: var(--display);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  padding: 7px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border2);
  white-space: nowrap;
}
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--text2); }
th.sort-asc::after  { content: ' ▲'; font-size: 8px; color: var(--accent); }
th.sort-desc::after { content: ' ▼'; font-size: 8px; color: var(--accent); }
td {
  padding: 7px 14px;
  border-bottom: 1px solid var(--border2);
  font-size: 13px;
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg3); }
[data-theme="dark"] tr:hover td { background: rgba(77,166,255,.04); }
td.mono { font-family: var(--mono); font-size: 11.5px; }

/* ── Status bar ──────────────────────────────────────────────────────────────── */
.status-bar {
  padding: 6px 0;
  font-size: 11.5px;
  font-family: var(--mono);
  color: var(--text3);
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  letter-spacing: .2px;
}
.status-bar.loading { color: var(--cyan); }
.status-bar.error   { color: var(--red); }
.status-bar.ok      { color: var(--green); }
.spinner {
  display: inline-block;
  width: 11px; height: 11px;
  border: 1.5px solid var(--border);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Search input ────────────────────────────────────────────────────────────── */
.search-input {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 12px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.search-input:focus {
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 3px var(--glow-focus);
}
.search-input::placeholder { color: var(--text3); }

/* ── Settings ────────────────────────────────────────────────────────────────── */
.settings-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.settings-section h3 {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 16px;
}
.settings-grid { display: grid; grid-template-columns: 220px 1fr; gap: 10px 16px; align-items: center; max-width: 520px; }
.settings-grid label { font-size: 12px; color: var(--text2); }
.settings-input {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  padding: 7px 12px;
  font-family: var(--mono);
  font-size: 12px;
  outline: none;
  width: 200px;
  transition: border-color .15s;
}
.settings-input:focus { border-color: var(--focus-ring); }
.settings-hint { font-size: 11px; color: var(--text3); margin-top: 4px; font-family: var(--mono); }

/* ── Form card (LMC Import) ──────────────────────────────────────────────────── */
.form-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.form-card h3 {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 14px;
}
.form-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.form-label { font-size: 12px; color: var(--text2); width: 130px; flex-shrink: 0; }
.form-input {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  padding: 7px 12px;
  font-family: var(--mono);
  font-size: 12px;
  outline: none;
  min-width: 200px;
  transition: border-color .15s;
}
.form-input:focus { border-color: var(--focus-ring); }
.checkbox-label { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text2); cursor: pointer; }
.checkbox-label input[type=checkbox] { accent-color: var(--cyan); }
.crit-table { width: 100%; border-collapse: collapse; font-size: 12px; margin-top: 4px; }
.crit-table th { font-size: 11px; color: var(--text3); font-weight: 600; text-align: left; padding: 0 6px 5px 0; border-bottom: 1px solid var(--border); white-space: nowrap; }
.crit-table td { padding: 3px 6px 3px 0; vertical-align: middle; }
.crit-input { width: 100%; font-size: 12px; font-family: var(--mono); background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 2px 6px; color: var(--text); box-sizing: border-box; min-width: 80px; }
.crit-label { font-size: 12px; font-family: var(--mono); color: var(--text2); white-space: nowrap; padding: 2px 8px 2px 0; display: inline-block; }

/* ── Info cards ──────────────────────────────────────────────────────────────── */
.info-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(240px,1fr)); gap: 10px; margin-bottom: 20px; }
.info-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.info-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px; height: 100%;
  background: var(--cyan);
  opacity: .3;
}
.info-card .label {
  font-family: var(--display);
  font-size: 10px;
  font-weight: 700;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .8px;
  margin-bottom: 4px;
}
.info-card .value { font-size: 14px; font-weight: 500; word-break: break-all; color: var(--text); }
.info-card .value.mono { font-family: var(--mono); font-size: 12px; color: var(--cyan); }

/* ── Sub-tabs (device detail) ────────────────────────────────────────────────── */
.sub-tabs { display: flex; gap: 0; margin-bottom: 16px; border-bottom: 1px solid var(--border2); }
.stab {
  padding: 8px 16px;
  font-family: var(--display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--text3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .15s;
  white-space: nowrap;
}
.stab:hover { color: var(--text2); }
.stab.active { color: var(--cyan); border-bottom-color: var(--cyan); }
[data-theme="dark"] .stab.active { text-shadow: none; }

/* ── Progress ────────────────────────────────────────────────────────────────── */
.progress-track { background: var(--bg3); border-radius: 2px; height: 4px; overflow: hidden; }
.progress-fill { background: linear-gradient(90deg, var(--cyan2), var(--cyan)); height: 100%; border-radius: 2px; transition: width .2s; }

/* ── Empty state ─────────────────────────────────────────────────────────────── */
.empty { color: var(--text3); text-align: center; padding: 48px 20px; font-size: 13px; font-family: var(--mono); letter-spacing: .2px; }
.empty .icon { font-size: 28px; margin-bottom: 10px; opacity: .3; }

/* ── Scrollbar ───────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--border2); }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: rgba(77,166,255,.18); }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: rgba(77,166,255,.32); }

/* ── Modal / Editor ──────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,20,50,.55); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  animation: fadeIn .15s ease;
}
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 20px 60px rgba(0,20,60,.25);
  width: 96vw; max-width: 1500px; height: 92vh;
  display: flex; flex-direction: column; overflow: hidden;
  animation: slideUp .18s ease;
}
@keyframes slideUp { from { transform: translateY(18px); opacity: 0 } to { transform: none; opacity: 1 } }
.modal-header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  background: var(--bg3); flex-shrink: 0;
}
.modal-header h3 { flex: 1; font-size: 14px; font-weight: 700; letter-spacing: .3px; }
.modal-body {
  display: grid; grid-template-columns: 280px 1fr;
  flex: 1; min-height: 0; overflow: hidden;
}
.modal-meta {
  padding: 16px; border-right: 1px solid var(--border);
  overflow-y: auto; display: flex; flex-direction: column; gap: 14px;
}
.modal-meta label { font-size: 11px; font-weight: 700; letter-spacing: .5px;
  text-transform: uppercase; color: var(--text3); display: block; margin-bottom: 4px; }
.modal-meta input, .modal-meta select, .modal-meta textarea {
  width: 100%; padding: 6px 8px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--bg); color: var(--text);
  font-family: var(--display); font-size: 13px; outline: none;
}
.modal-meta input:focus, .modal-meta select:focus { border-color: var(--cyan); }
.modal-meta .os-flags { display: flex; flex-direction: column; gap: 5px; }
.modal-meta .os-flags label {
  font-size: 12px; font-weight: 500; letter-spacing: 0;
  text-transform: none; color: var(--text); display: flex; align-items: center; gap: 6px; cursor: pointer;
}
.modal-meta .os-flags input[type=checkbox],
.modal-meta .os-flags input[type=radio] { width: 14px; height: 14px; flex-shrink: 0; accent-color: var(--cyan); cursor: pointer; }
.modal-editor { display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.editor-toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; background: #1a1f2e; border-bottom: 1px solid #2d3548;
  font-size: 11px; color: #6b7fa3; flex-shrink: 0;
}
.editor-toolbar span { font-family: var(--mono); }
textarea.code-area {
  flex: 1; min-height: 0; padding: 14px 16px; margin: 0; border: none; outline: none; resize: none;
  font-family: var(--mono); font-size: 13px; line-height: 1.65;
  font-variant-ligatures: none;
  white-space: pre; overflow: scroll; word-wrap: normal;
  background: #1a1f2e; color: #c9d1e0;
  tab-size: 4; caret-color: #4da6ff;
}
textarea.code-area::selection { background: rgba(77,166,255,.25); }
textarea.code-area::-webkit-scrollbar { width: 10px; height: 10px; }
textarea.code-area::-webkit-scrollbar-track { background: #111827; }
textarea.code-area::-webkit-scrollbar-thumb { background: #3a4a6a; border-radius: 4px; }
textarea.code-area::-webkit-scrollbar-thumb:hover { background: #4d6090; }
textarea.code-area::-webkit-scrollbar-corner { background: #111827; }
.modal-footer {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-top: 1px solid var(--border);
  background: var(--bg3); flex-shrink: 0;
}
.modal-footer .spacer { flex: 1; }
[data-theme="dark"] .modal { background: #0f1623; border-color: rgba(77,166,255,.12); }
[data-theme="dark"] .modal-header, [data-theme="dark"] .modal-footer { background: #0b1019; }
[data-theme="dark"] .modal-meta input, [data-theme="dark"] .modal-meta select { background: #151d2b; border-color: rgba(77,166,255,.15); }

/* ── Topology ────────────────────────────────────────────────────────────────── */
#topo-svg { background: radial-gradient(ellipse 60% 50% at 50% 50%, var(--body-grad1) 0%, transparent 70%); }
.topo-node:hover .topo-node-rect { stroke-width: 2px !important; filter: drop-shadow(0 0 8px var(--glow-sm)); }
.topo-select {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  padding: 5px 10px;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3px;
  outline: none;
  cursor: pointer;
  transition: border-color .15s;
}
.topo-select:focus { border-color: var(--focus-ring); }
.topo-select option { background: var(--bg3); }