/* MeshCore Spiegel — globale Styles + Companion-UI.
   Mobile-First: Default ist <=640px, ab 641px greift Desktop-Layout.
   Sans-serif für Prosa/UI, Monospace nur für Code, Pubkeys, IDs. */

:root {
  /* ---------- Form, Spacing, Typo, Fonts (theme-neutral) ---------- */
  --radius:       10px;
  --radius-sm:    6px;
  --radius-pill:  999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.0625rem;
  --text-lg:   1.25rem;
  --text-xl:   1.5rem;
  --text-2xl:  2rem;
  --leading-tight: 1.2;
  --leading-body:  1.65;
  --tracking-tight: -0.02em;

  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI",
               Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
               "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Code",
               Menlo, Consolas, "Liberation Mono", monospace;

  /* visualViewport-Höhe (von companion.js gesetzt, mit Fallback) */
  --vv-height: 100vh;

  /* ---------- Default = DARK ---------- */
  --bg:           #0a0a0a;
  --bg-elev:      #141414;
  --bg-soft:      #1a1a1a;
  --card:         #141414;
  --card-hi:      #1c1c1c;

  --fg:           #fafafa;
  --fg-soft:      #d4d4d8;
  --fg-muted:     #a1a1aa;
  --muted:        #737373;

  --border:       #262626;
  --border-strong:#3f3f46;

  --accent:       #7aa2ff;
  --accent-hi:    #9cbaff;
  --accent-2:     #b48bff;
  --accent-soft:  rgba(122,162,255,.10);
  --accent-line:  rgba(122,162,255,.45);
  --accent-glow:  rgba(122,162,255,.22);

  --ok:           #6fd49b;
  --ok-soft:      rgba(111,212,155,.12);
  --warn:         #f0c987;
  --warn-soft:    rgba(240,201,135,.12);
  --danger:       #ff6b8a;
  --danger-soft:  rgba(255,107,138,.12);

  --on-accent:           #0a0a0a;
  --surface-tint-hover:  rgba(255,255,255,.04);
  --surface-tint-active: rgba(255,255,255,.06);
  --code-bg:             rgba(255,255,255,.04);
  --header-bg:           rgba(10,10,10,.78);
  --channel:             #ffd866;
  --channel-soft:        rgba(255,216,102,.035);
  --channel-strong:      rgba(255,216,102,.10);
  --mark-bg:             rgba(255,216,102,.30);
  --map-bg:              #0a0e14;

  --chart-info:   rgba(122,162,255,.55);
  --chart-track:  rgba(122,162,255,.08);
  --chart-ok:     rgba(111,212,155,.55);
  --chart-warn:   rgba(255,200,90,.55);
  --chart-danger: rgba(255,88,116,.55);
  --chart-purple: rgba(200,160,255,.65);

  --shadow-sm:    0 1px 0 rgba(255,255,255,.02) inset, 0 1px 2px rgba(0,0,0,.25);
  --shadow-md:    0 1px 0 rgba(255,255,255,.03) inset, 0 8px 24px -16px rgba(0,0,0,.55);
  --shadow-lg:    0 20px 40px -24px rgba(0,0,0,.7);
}

/* ---------- LIGHT via OS-Auto ---------- */
@media (prefers-color-scheme: light) {
  :root {
    --bg:           #ffffff;
    --bg-elev:      #fafafa;
    --bg-soft:      #f4f4f5;
    --card:         #ffffff;
    --card-hi:      #fafafa;

    --fg:           #0a0a0a;
    --fg-soft:      #27272a;
    --fg-muted:     #52525b;
    --muted:        #71717a;

    --border:       #e4e4e7;
    --border-strong:#d4d4d8;

    --accent:       #2563eb;
    --accent-hi:    #1d4ed8;
    --accent-2:     #7c3aed;
    --accent-soft:  rgba(37,99,235,.08);
    --accent-line:  rgba(37,99,235,.30);
    --accent-glow:  rgba(37,99,235,.18);

    --ok:           #15803d;
    --ok-soft:      rgba(21,128,61,.10);
    --warn:         #b45309;
    --warn-soft:    rgba(180,83,9,.10);
    --danger:       #b91c1c;
    --danger-soft:  rgba(185,28,28,.08);

    --on-accent:           #ffffff;
    --surface-tint-hover:  rgba(0,0,0,.04);
    --surface-tint-active: rgba(0,0,0,.06);
    --code-bg:             #f4f4f5;
    --header-bg:           rgba(255,255,255,.82);
    --channel:             #b45309;
    --channel-soft:        rgba(180,83,9,.06);
    --channel-strong:      rgba(180,83,9,.10);
    --mark-bg:             rgba(245,158,11,.30);
    --map-bg:              #f4f4f5;

    --chart-info:   rgba(37,99,235,.55);
    --chart-track:  rgba(37,99,235,.08);
    --chart-ok:     rgba(21,128,61,.55);
    --chart-warn:   rgba(180,83,9,.55);
    --chart-danger: rgba(185,28,28,.55);
    --chart-purple: rgba(124,58,237,.55);

    --shadow-sm:    0 1px 2px rgba(0,0,0,.06);
    --shadow-md:    0 1px 3px rgba(0,0,0,.06), 0 8px 24px -16px rgba(0,0,0,.15);
    --shadow-lg:    0 20px 40px -24px rgba(0,0,0,.18);
  }
}

/* ---------- LIGHT manuell (data-theme="light" überschreibt Auto) ---------- */
:root[data-theme="light"] {
  --bg:           #ffffff;
  --bg-elev:      #fafafa;
  --bg-soft:      #f4f4f5;
  --card:         #ffffff;
  --card-hi:      #fafafa;

  --fg:           #0a0a0a;
  --fg-soft:      #27272a;
  --fg-muted:     #52525b;
  --muted:        #71717a;

  --border:       #e4e4e7;
  --border-strong:#d4d4d8;

  --accent:       #2563eb;
  --accent-hi:    #1d4ed8;
  --accent-2:     #7c3aed;
  --accent-soft:  rgba(37,99,235,.08);
  --accent-line:  rgba(37,99,235,.30);
  --accent-glow:  rgba(37,99,235,.18);

  --ok:           #15803d;
  --ok-soft:      rgba(21,128,61,.10);
  --warn:         #b45309;
  --warn-soft:    rgba(180,83,9,.10);
  --danger:       #b91c1c;
  --danger-soft:  rgba(185,28,28,.08);

  --on-accent:           #ffffff;
  --surface-tint-hover:  rgba(0,0,0,.04);
  --surface-tint-active: rgba(0,0,0,.06);
  --code-bg:             #f4f4f5;
  --header-bg:           rgba(255,255,255,.82);
  --channel:             #b45309;
  --channel-soft:        rgba(180,83,9,.06);
  --channel-strong:      rgba(180,83,9,.10);
  --mark-bg:             rgba(245,158,11,.30);
  --map-bg:              #f4f4f5;

  --chart-info:   rgba(37,99,235,.55);
  --chart-track:  rgba(37,99,235,.08);
  --chart-ok:     rgba(21,128,61,.55);
  --chart-warn:   rgba(180,83,9,.55);
  --chart-danger: rgba(185,28,28,.55);
  --chart-purple: rgba(124,58,237,.55);

  --shadow-sm:    0 1px 2px rgba(0,0,0,.06);
  --shadow-md:    0 1px 3px rgba(0,0,0,.06), 0 8px 24px -16px rgba(0,0,0,.15);
  --shadow-lg:    0 20px 40px -24px rgba(0,0,0,.18);
}

/* ---------- DARK manuell (data-theme="dark" überschreibt Auto-Light) ---------- */
:root[data-theme="dark"] {
  --bg:           #0a0a0a;
  --bg-elev:      #141414;
  --bg-soft:      #1a1a1a;
  --card:         #141414;
  --card-hi:      #1c1c1c;

  --fg:           #fafafa;
  --fg-soft:      #d4d4d8;
  --fg-muted:     #a1a1aa;
  --muted:        #737373;

  --border:       #262626;
  --border-strong:#3f3f46;

  --accent:       #7aa2ff;
  --accent-hi:    #9cbaff;
  --accent-2:     #b48bff;
  --accent-soft:  rgba(122,162,255,.10);
  --accent-line:  rgba(122,162,255,.45);
  --accent-glow:  rgba(122,162,255,.22);

  --ok:           #6fd49b;
  --ok-soft:      rgba(111,212,155,.12);
  --warn:         #f0c987;
  --warn-soft:    rgba(240,201,135,.12);
  --danger:       #ff6b8a;
  --danger-soft:  rgba(255,107,138,.12);

  --on-accent:           #0a0a0a;
  --surface-tint-hover:  rgba(255,255,255,.04);
  --surface-tint-active: rgba(255,255,255,.06);
  --code-bg:             rgba(255,255,255,.04);
  --header-bg:           rgba(10,10,10,.78);
  --channel:             #ffd866;
  --channel-soft:        rgba(255,216,102,.035);
  --channel-strong:      rgba(255,216,102,.10);
  --mark-bg:             rgba(255,216,102,.30);
  --map-bg:              #0a0e14;

  --chart-info:   rgba(122,162,255,.55);
  --chart-track:  rgba(122,162,255,.08);
  --chart-ok:     rgba(111,212,155,.55);
  --chart-warn:   rgba(255,200,90,.55);
  --chart-danger: rgba(255,88,116,.55);
  --chart-purple: rgba(200,160,255,.65);

  --shadow-sm:    0 1px 0 rgba(255,255,255,.02) inset, 0 1px 2px rgba(0,0,0,.25);
  --shadow-md:    0 1px 0 rgba(255,255,255,.03) inset, 0 8px 24px -16px rgba(0,0,0,.55);
  --shadow-lg:    0 20px 40px -24px rgba(0,0,0,.7);
}
* { box-sizing: border-box; }

/* Sanfter Theme-Switch — nur Farbübergänge, nicht layout-relevante Props */
.card, header, input, select, textarea, .message,
.flash, .scope-public, .scope-pool, .telemetry-row,
.thread-row, .thread-item, .tab-btn, .reach-pill,
.btn-link, .theme-toggle, .conv-action-btn {
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

/* Dark scrollbars (Firefox + WebKit) */
html { scrollbar-color: var(--border-strong) var(--bg); scrollbar-width: thin; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 5px;
  border: 2px solid var(--bg);
}
*::-webkit-scrollbar-thumb:hover { background: var(--muted); }
*::-webkit-scrollbar-corner { background: transparent; }

html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  background: var(--bg);
  color: var(--fg);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: background-color .2s ease, color .2s ease;
}
a {
  color: var(--accent);
  text-decoration: none;
  border-radius: 2px;
  transition: color .15s ease;
}
a:hover { color: var(--accent-hi); text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Header ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(150%) blur(10px);
  backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--border);
  padding: .75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .5rem .75rem;
  transition: background-color .2s ease, border-color .2s ease;
}
header .brand {
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  font-size: 1.05rem;
}
header .brand a { color: var(--fg); }
header .brand a:hover { text-decoration: none; color: var(--accent); }
header nav { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem .25rem; }
header nav a,
header nav span,
header nav form { font-size: .9rem; }
header nav a {
  color: var(--fg-soft);
  padding: .35rem .65rem;
  border-radius: var(--radius-sm);
  transition: background .15s ease, color .15s ease;
}
header nav a:hover {
  color: var(--fg);
  background: var(--accent-soft);
  text-decoration: none;
}
header nav .muted {
  color: var(--muted);
  max-width: 14rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 .5rem;
}
header nav form button {
  margin: 0;
  padding: .35rem .75rem;
  min-height: 0;
  font-size: .85rem;
  font-weight: 500;
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: none;
}
header nav form button:hover {
  background: var(--accent-soft);
  color: var(--fg);
  border-color: var(--accent-line);
  transform: none;
}

/* Theme-Toggle (Cycle-Button: auto → light → dark) */
.theme-toggle {
  margin: 0;
  padding: 0;
  width: 36px;
  height: 36px;
  min-height: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: none;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.theme-toggle:hover {
  background: var(--surface-tint-hover);
  color: var(--fg);
  border-color: var(--accent-line);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* ---------- Layout ---------- */
main {
  padding: var(--space-5) var(--space-4);
  max-width: 1040px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: .8rem;
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: .5rem;
}
.site-footer .version {
  color: var(--fg-muted);
  font-family: var(--font-mono);
  opacity: .7;
  padding: .1rem .5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
}

/* ---------- Typografie ---------- */
h1, h2, h3 {
  color: var(--fg);
  letter-spacing: var(--tracking-tight);
  font-weight: 700;
  line-height: var(--leading-tight);
}
h1 {
  font-size: var(--text-xl);
  margin: var(--space-2) 0 var(--space-5);
}
h2 {
  font-size: 1.15rem;
  margin: 0 0 var(--space-3);
  font-weight: 600;
}
h3 {
  font-size: 1rem;
  color: var(--fg-soft);
  margin: 0 0 var(--space-2);
  font-weight: 600;
}
p { margin: 0 0 var(--space-3); color: var(--fg-soft); font-size: var(--text-md); }

/* ---------- Forms ---------- */
label {
  display: block;
  margin-top: 1rem;
  font-size: .82rem;
  color: var(--fg-muted);
  letter-spacing: .01em;
}
input, select, textarea {
  width: 100%;
  padding: .65rem .75rem;
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .95rem;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
input::placeholder, textarea::placeholder { color: var(--muted); }
input:hover, select:hover, textarea:hover { border-color: var(--accent-line); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-soft);
}
input[type="checkbox"], input[type="radio"] {
  width: auto;
  accent-color: var(--accent);
}

button, input[type=submit] {
  margin-top: 1rem;
  padding: .65rem 1.1rem;
  background: var(--accent);
  color: var(--on-accent);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  min-height: 40px;
  font-size: .92rem;
  font-family: inherit;
  letter-spacing: .01em;
  box-shadow: var(--shadow-sm);
  transition: background-color .15s ease, box-shadow .15s ease, filter .15s ease;
}
button:hover, input[type=submit]:hover {
  background: var(--accent-hi);
  box-shadow: var(--shadow-sm), 0 4px 16px -6px var(--accent-glow);
}
button:active, input[type=submit]:active { filter: brightness(.95); }
button:focus-visible, input[type=submit]:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-glow), var(--shadow-sm);
}
button:disabled, input[type=submit]:disabled {
  opacity: .5;
  cursor: not-allowed;
}

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-5);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-md);
  transition: background-color .2s ease, border-color .2s ease;
}

.flash {
  padding: .7rem 1rem;
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg-soft);
}
.flash.error {
  color: var(--danger);
  border-color: rgba(255,107,138,.45);
  background: var(--danger-soft);
}
.flash.ok {
  color: var(--ok);
  border-color: rgba(111,212,155,.45);
  background: var(--ok-soft);
}

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td {
  padding: .6rem .65rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
th {
  color: var(--fg-muted);
  font-weight: 500;
  font-size: .8rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
tbody tr { transition: background .12s ease; }
tbody tr:hover { background: var(--surface-tint-hover); }
tbody tr:last-child td { border-bottom: none; }

code, pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: .12rem .4rem;
  border-radius: 4px;
  font-size: .88rem;
  font-family: var(--font-mono);
  color: var(--fg-soft);
}
pre {
  padding: .75rem .9rem;
  overflow-x: auto;
  line-height: 1.5;
}
pre code { border: none; padding: 0; background: transparent; }

/* Kompakter Kopier-Button neben Inline-<code> (z.B. Pubkey-Chip). */
.copy-btn {
  margin-left: .35rem;
  padding: 0 .3rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.4;
  cursor: pointer;
  vertical-align: baseline;
}
.copy-btn:hover {
  color: var(--accent);
  border-color: var(--accent-line);
}

.token {
  word-break: break-all;
  display: inline-block;
  padding: .55rem .75rem;
  background: var(--code-bg);
  border: 1px dashed var(--accent-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  color: var(--accent-hi);
}

/* Scope-Pills */
.scope-public,
.scope-pool {
  display: inline-block;
  padding: .1rem .55rem;
  border-radius: var(--radius-pill);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .02em;
  border: 1px solid transparent;
  font-family: var(--font-mono);
}
.scope-public {
  color: var(--accent-hi);
  background: var(--accent-soft);
  border-color: var(--accent-line);
}
.scope-pool {
  color: var(--ok);
  background: var(--ok-soft);
  border-color: rgba(111,212,155,.4);
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}
.tab-btn {
  margin: 0;
  padding: .8rem 1.05rem;
  min-height: 44px;
  background: transparent;
  color: var(--fg-muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  cursor: pointer;
  font-weight: 500;
  font-family: inherit;
  font-size: .92rem;
  box-shadow: none;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.tab-btn:hover {
  color: var(--fg);
  background: var(--surface-tint-hover);
  transform: none;
  filter: none;
  box-shadow: none;
}
.tab-btn.active {
  color: var(--accent-hi);
  border-bottom-color: var(--accent);
  font-weight: 600;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Messenger-Layout — Mobile-First ----------
   Auf Mobile zeigt der Container entweder Threads ODER Conv (Toggle via
   data-mobile-view), nicht beides. Ab 641px klassisches 2-Spalten-Grid. */
.messenger {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  min-height: 70vh;
}
.messenger .thread-list,
.messenger .thread-view { display: none; }
.messenger[data-mobile-view="threads"] .thread-list { display: flex; }
.messenger[data-mobile-view="conv"]    .thread-view { display: flex; }

.thread-list {
  border-right: none;
  border-bottom: 1px solid var(--border);
  padding-right: 0;
  padding-bottom: .5rem;
  max-height: none;
  overflow-y: auto;
  flex-direction: column;
  gap: .15rem;
  position: relative;
}
.thread-item {
  margin: 0;
  padding: .6rem .6rem;
  min-height: 44px;
  background: transparent;
  color: var(--fg);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-weight: normal;
  font-size: .92rem;
  border-left: 3px solid transparent;
  box-shadow: none;
  transition: background .12s ease, border-color .12s ease;
}
.thread-item:hover { background: var(--surface-tint-hover); transform: none; filter: none; box-shadow: none; }
.thread-item.active {
  background: var(--accent-soft);
  border-left-color: var(--accent);
}

.thread-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: stretch;
  gap: .15rem;
  border-radius: var(--radius-sm);
}
.thread-row.active { background: var(--accent-soft); }
.thread-row--channel { background: var(--channel-soft); }
.thread-row--channel .thread-name { color: var(--channel); }
.thread-row--channel.active { background: var(--channel-strong); }
.thread-star {
  margin: 0;
  padding: 0 .4rem;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--muted);
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  box-shadow: none;
  transition: background .12s ease, color .12s ease;
}
.thread-star:hover {
  opacity: 1;
  background: var(--surface-tint-hover);
  color: var(--warn);
  transform: none;
  filter: none;
}
.thread-item-bare { background: transparent; border-left-color: transparent; }
.thread-row.active .thread-item-bare { border-left-color: var(--accent); }
.thread-top {
  display: flex;
  justify-content: space-between;
  gap: .4rem;
  font-size: .92rem;
}
.thread-name { display: inline; color: var(--fg); }
.thread-time { color: var(--muted); font-size: .78rem; font-variant-numeric: tabular-nums; }
.thread-snip {
  color: var(--fg-muted);
  font-size: .8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Unread-Badge */
.thread-row .unread-badge {
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius-pill);
  padding: 0 .5rem;
  font-size: .7rem;
  font-weight: 700;
  align-self: center;
  margin-right: .3rem;
  min-width: 1.4rem;
  text-align: center;
  display: none;
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
.thread-row.has-unread .unread-badge { display: inline-block; }
.thread-row.has-unread .thread-name { font-weight: 600; }

.thread-unread-jump {
  position: sticky;
  bottom: .5rem;
  align-self: center;
  margin-top: auto;
  background: var(--accent);
  color: var(--on-accent);
  border: none;
  border-radius: var(--radius-pill);
  padding: .4rem .9rem;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 18px -6px rgba(0,0,0,.4);
  z-index: 3;
  white-space: nowrap;
}
.thread-unread-jump[hidden] { display: none; }
.thread-unread-jump:hover { background: var(--accent-hi); }

.thread-view { display: flex; flex-direction: column; min-width: 0; }
.thread-header {
  padding: .5rem 0 .65rem;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: .55rem;
}
.conv-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  width: 40px;
  height: 40px;
  min-height: 40px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 1.15rem;
  cursor: pointer;
  box-shadow: none;
}
.conv-back:hover { background: var(--accent-soft); transform: none; filter: none; }

.message-list {
  flex: 1;
  overflow-y: auto;
  padding: .75rem 0;
  /* Auf Mobile: visualViewport-aware. Fallback: 60vh. */
  max-height: min(60vh, calc(var(--vv-height) - 18rem));
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.message {
  max-width: 90%;
  padding: .55rem .75rem;
  border-radius: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(0,0,0,.25);
  line-height: 1.45;
}
.message.in {
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.message.out {
  align-self: flex-end;
  background: var(--accent-soft);
  border-color: var(--accent-line);
  border-bottom-right-radius: 4px;
}
.message.system {
  align-self: center;
  max-width: 100%;
  background: transparent;
  border: 1px dashed var(--border-strong);
  color: var(--fg-muted);
  font-size: .8rem;
  text-align: center;
  padding: .3rem .75rem;
  box-shadow: none;
}
.message.system .msg-meta { display: none; }
.message.system .msg-text { color: var(--fg-muted); white-space: normal; }
.message mark {
  background: var(--mark-bg);
  color: inherit;
  padding: 0 .15rem;
  border-radius: 2px;
}
.msg-meta { font-size: .73rem; color: var(--muted); margin-bottom: .2rem; font-variant-numeric: tabular-nums; }
.msg-text { white-space: pre-wrap; word-break: break-word; color: var(--fg); }
.msg-translation-meta {
  font-size: .7rem;
  color: var(--muted);
  margin-top: .3rem;
  white-space: pre-wrap;
  word-break: break-word;
  border-top: 1px dashed var(--border);
  padding-top: .25rem;
}
.translate-toggle {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-size: 1rem;
  cursor: pointer;
  user-select: none;
  padding: 0 .35rem;
}
.translate-toggle input {
  margin: 0;
  vertical-align: middle;
}
.compose-row {
  display: flex;
  gap: .5rem;
  padding-top: .65rem;
  border-top: 1px solid var(--border);
}
.compose-row input { flex: 1; margin: 0; }
.compose-row button { margin: 0; }
.at-input-wrap { position: relative; flex: 1; }
.at-input-wrap input { width: 100%; }
.at-popup {
  position: absolute;
  bottom: calc(100% + .3rem);
  left: 0;
  right: 0;
  max-height: 240px;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 50;
}
.at-popup-below {
  bottom: auto;
  top: calc(100% + .3rem);
}
.at-empty {
  padding: .55rem;
  color: var(--muted);
  font-size: .85rem;
  font-style: italic;
}
.at-item {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  padding: .55rem .6rem;
  cursor: pointer;
  font-size: .95rem;
  min-height: 44px;
  align-items: center;
}
.at-item:hover, .at-item.active {
  background: var(--accent-soft);
}
.at-name { color: var(--fg); }
.at-sub { color: var(--muted); font-size: .75rem; font-family: var(--font-mono); }

/* Sidebar sections + new-DM picker */
.thread-new {
  margin: 0 0 .4rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--border);
}
.thread-new input { font-size: .92rem; padding: .55rem .65rem; min-height: 40px; }
.thread-section-label {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  font-weight: 600;
  padding: .6rem .25rem .25rem;
}
.msg-hops { color: var(--muted); font-size: .78em; font-variant-numeric: tabular-nums; }

/* Server-Such-Ergebnisse */
.search-hit {
  display: flex;
  flex-direction: column;
  padding: .55rem .6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  font-size: .9rem;
  min-height: 44px;
  justify-content: center;
}
.search-hit:hover { background: var(--accent-soft); border-color: var(--accent-line); }
.search-hit-where { color: var(--accent-hi); font-size: .78rem; font-weight: 500; }
.search-hit-snippet {
  color: var(--fg-muted);
  font-size: .8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-hit-snippet mark {
  background: var(--mark-bg);
  color: var(--fg);
  padding: 0 .15rem;
  border-radius: 2px;
}

/* SSE-Indikator */
.sse-dot {
  width: .55rem; height: .55rem;
  border-radius: 50%;
  background: var(--muted);
  display: inline-block;
  flex-shrink: 0;
  box-shadow: 0 0 0 0 transparent;
  transition: background .2s ease, box-shadow .2s ease;
}
.sse-dot.connected {
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(111,212,155,.15);
}
.sse-dot.error {
  background: var(--danger);
  box-shadow: 0 0 0 3px rgba(255,107,138,.18);
}

/* DM-Header-Action-Buttons */
.conv-actions {
  display: inline-flex;
  gap: .25rem;
  margin-left: auto;
  align-items: center;
}
.conv-action-btn {
  margin: 0;
  padding: 0;
  width: 36px;
  height: 36px;
  min-height: 36px;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 1rem;
  cursor: pointer;
  font-weight: normal;
  box-shadow: none;
  transition: background .12s ease, border-color .12s ease;
}
.conv-action-btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  transform: none;
  filter: none;
}
.conv-action-btn:disabled { opacity: .4; cursor: wait; }
@media (max-width: 640px) {
  .conv-action-btn { width: 44px; height: 44px; min-height: 44px; }
}

/* Rechtsklick-Menü auf Thread-Zeilen */
.thread-ctx-menu {
  position: fixed;
  z-index: 1000;
  min-width: 200px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: .3rem 0;
  font-size: .9rem;
}
.thread-ctx-menu button {
  display: block;
  width: 100%;
  margin: 0;
  padding: .45rem .85rem;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--fg-soft);
  cursor: pointer;
  font: inherit;
  min-height: 0;
  box-shadow: none;
  border-radius: 0;
  font-weight: normal;
}
.thread-ctx-menu button:hover {
  background: var(--accent-soft);
  color: var(--fg);
  transform: none;
  filter: none;
}

/* Login-Status-Pill */
.login-pill {
  font-size: .72rem;
  padding: .15rem .55rem;
  border-radius: var(--radius-pill);
  background: var(--ok-soft);
  color: var(--ok);
  border: 1px solid rgba(111,212,155,.4);
  white-space: nowrap;
  font-weight: 500;
}
.login-pill.expired {
  background: rgba(95,126,151,.12);
  color: var(--muted);
  border-color: var(--border-strong);
}

/* Liveness-Dot pro DM-Sidebar-Zeile */
.live-dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--border-strong);
  display: inline-block;
  margin-right: .35rem;
  flex-shrink: 0;
  vertical-align: middle;
}
.live-dot--fresh  { background: var(--ok); box-shadow: 0 0 0 2px var(--ok-soft); }
.live-dot--recent { background: var(--warn); }
.live-dot--stale  { background: var(--muted); }
.live-dot--gone   { background: transparent; border: 1px solid var(--border-strong); }

/* Node map */
.node-map {
  width: 100%;
  height: clamp(360px, 70vh, 540px);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--map-bg);
  box-shadow: var(--shadow-md);
}

/* Telemetry-list */
.telemetry-list {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  max-height: 380px;
  overflow-y: auto;
}
.telemetry-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: .35rem .55rem;
  padding: .55rem .65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  font-size: .9rem;
  transition: border-color .12s ease, background .12s ease;
}
.telemetry-row:hover {
  border-color: var(--border-strong);
  background: var(--bg-soft);
}
.telemetry-row .telemetry-meta,
.telemetry-row .telemetry-geo { grid-column: 2 / -1; }
.telemetry-star {
  margin: 0;
  padding: 0 .25rem;
  background: transparent;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
  min-width: 44px;
  min-height: 44px;
  color: var(--muted);
  box-shadow: none;
}
.telemetry-star:hover { color: var(--warn); transform: none; filter: none; }
.telemetry-name { font-weight: 600; color: var(--fg); }
.telemetry-meta { color: var(--muted); font-size: .78rem; font-family: var(--font-mono); }
.telemetry-geo { font-size: .8rem; color: var(--fg-soft); font-variant-numeric: tabular-nums; }
.telemetry-geo-missing { color: var(--muted); }
.telemetry-btn {
  margin: 0;
  padding: .35rem .65rem;
  font-size: .85rem;
  min-height: 36px;
  min-width: 44px;
}

/* Map-Legende */
.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  font-size: .8rem;
  color: var(--fg-muted);
  margin-top: .65rem;
  padding: .45rem 0 0;
  border-top: 1px dashed var(--border);
}
.map-legend span { display: inline-flex; align-items: center; gap: .35rem; }
.legend-dot {
  width: .65rem;
  height: .65rem;
  border-radius: 50%;
  display: inline-block;
}
.legend-dot--fresh    { background: var(--ok); }
.legend-dot--recent   { background: var(--warn); }
.legend-dot--stale    { background: var(--accent); }
.legend-dot--gone     { background: var(--muted); }
.legend-dot--favorite { background: var(--accent); border: 2px solid var(--warn); box-sizing: border-box; }

/* Map-Popup */
.leaflet-popup-content .map-open-dm {
  display: inline-block;
  margin-top: .4rem;
  padding: .3rem .6rem;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent-hi);
  text-decoration: none;
  font-weight: 600;
  font-size: .85rem;
}
.leaflet-popup-content .map-open-dm:hover {
  background: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
}

.leaflet-popup-content-wrapper, .leaflet-popup-tip {
  background: var(--card) !important;
  color: var(--fg) !important;
  border: 1px solid var(--border-strong);
}
.leaflet-popup-content code { background: var(--code-bg); border: 1px solid var(--border); }
.leaflet-container a.leaflet-popup-close-button { color: var(--muted); }

/* ---------- Action-Link (inline „öffnen →" usw.) ---------- */
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .35rem .8rem;
  background: var(--accent-soft);
  color: var(--accent-hi);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  font-size: .88rem;
  transition: background .12s ease, color .12s ease, transform .12s ease;
}
.btn-link:hover {
  background: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
}

/* ---------- Desktop (>=641px) ---------- */
@media (min-width: 641px) {
  body { font-size: 15.5px; }
  header { padding: 1rem 1.75rem; }
  main { padding: 1.75rem 2rem; }
  .card { padding: 1.35rem 1.45rem; }
  h1 { font-size: 1.95rem; }

  .messenger {
    grid-template-columns: 260px 1fr;
    min-height: 460px;
  }
  .messenger .thread-list,
  .messenger .thread-view { display: flex !important; }
  .conv-back { display: none !important; }

  .thread-list {
    border-right: 1px solid var(--border);
    border-bottom: none;
    padding-right: .5rem;
    padding-bottom: 0;
    max-height: 560px;
  }
  .message-list { max-height: 500px; }
  .message { max-width: 78%; }

  .telemetry-row {
    grid-template-columns: auto 1.4fr 1.4fr auto auto;
    grid-template-rows: auto;
  }
  .telemetry-row .telemetry-meta,
  .telemetry-row .telemetry-geo { grid-column: auto; }
}

/* ---------- Erreichbarkeits-Tab ---------- */
.reach-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
.reach-table th, .reach-table td {
  text-align: left;
  padding: .45rem .55rem;
  border-bottom: 1px solid var(--border);
}
.reach-table th {
  color: var(--fg-muted);
  font-weight: 500;
  font-size: .75rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.reach-table tbody tr:hover { background: var(--surface-tint-hover); }
.reach-pill {
  display: inline-block;
  padding: .12rem .5rem;
  border-radius: var(--radius-pill);
  font-size: .78rem;
  font-weight: 500;
  border: 1px solid var(--border-strong);
  font-variant-numeric: tabular-nums;
}
.reach-pill--ok      { color: var(--ok);     border-color: rgba(111,212,155,.5); background: var(--ok-soft); }
.reach-pill--warn    { color: var(--warn);   border-color: rgba(240,201,135,.5); background: var(--warn-soft); }
.reach-pill--bad     { color: var(--danger); border-color: rgba(255,107,138,.5); background: var(--danger-soft); }
.reach-pill--unknown { color: var(--muted);  border-color: var(--border-strong); }
.reach-probe-btn {
  padding: .25rem .6rem;
  font-size: .8rem;
  margin: 0;
  min-height: 32px;
}

/* ---------- Misc utility hover-Reset für Ghost-/Icon-Buttons ---------- */
.thread-item:focus-visible,
.thread-star:focus-visible,
.tab-btn:focus-visible,
.conv-back:focus-visible,
.conv-action-btn:focus-visible,
.telemetry-star:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}