*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-bg:     #1c2333;
  --sidebar-text:   #8b97a8;
  --sidebar-hover:  #252f42;
  --sidebar-active: #2a3a58;
  --sidebar-accent: #4a9eff;
  --sidebar-w:      200px;

  --bg:       #f0f3f7;
  --surface:  #ffffff;
  --border:   #e2e8f0;
  --text:     #1a202c;
  --muted:    #718096;

  --blue:   #3b82f6;
  --green:  #16a34a;
  --red:    #dc2626;
  --orange: #d97706;

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'Courier New', Courier, monospace;
}

body { font-family: var(--font); font-size: 13px; background: var(--bg); color: var(--text); }

/* ── Layout ──────────────────────────────────────────────── */

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-brand {
  padding: 20px 16px 16px;
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.3px;
  border-bottom: 1px solid #2a3347;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-brand-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--sidebar-accent);
}

.sidebar-section {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #4a5568;
  padding: 16px 16px 6px;
}

.sidebar nav { flex: 1; padding: 4px 0; }

.sidebar a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
  transition: background .1s, color .1s;
  border-left: 3px solid transparent;
}

.sidebar a:hover { background: var(--sidebar-hover); color: #d1d9e6; }

.sidebar a.active {
  background: var(--sidebar-active);
  color: #ffffff;
  border-left-color: var(--sidebar-accent);
  font-weight: 500;
}

.sidebar-icon { font-size: 14px; width: 18px; text-align: center; opacity: .7; }
.sidebar a.active .sidebar-icon { opacity: 1; }

/* ── System resource widget (sidebar) ────────────────────── */
.sys-widget {
  padding: 10px 16px 6px;
  border-top: 1px solid #1e2940;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.sys-row {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
}
.sys-label {
  color: #4a5568;
  width: 28px;
  flex-shrink: 0;
  font-size: 10px;
}
.sys-bar-wrap {
  flex: 1;
  height: 4px;
  background: #1e2940;
  border-radius: 2px;
  overflow: hidden;
}
.sys-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 2px;
  transition: width .6s ease, background .3s;
}
.sys-bar.warn { background: #f59e0b; }
.sys-bar.err  { background: var(--red); }
.sys-val {
  color: #94a3b8;
  font-size: 10px;
  width: 38px;
  text-align: right;
  flex-shrink: 0;
}
.sys-net {
  color: #94a3b8;
  font-size: 10px;
  flex: 1;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid #2a3347;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: #4a5568;
}

.logout-btn {
  background: none;
  border: none;
  color: #4a5568;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  line-height: 1;
  opacity: .7;
  transition: opacity .15s;
}
.logout-btn:hover { opacity: 1; color: var(--red); }

/* ── Login ───────────────────────────────────────────────── */
:root { --card: #ffffff; --accent: #3b82f6; }

.sse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #4a5568;
  flex-shrink: 0;
}
.sse-dot.ok  { background: var(--green); box-shadow: 0 0 0 2px #dcfce7; }
.sse-dot.err { background: var(--red);   box-shadow: 0 0 0 2px #fee2e2; }

.app-content { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; }

.page-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-title { font-size: 16px; font-weight: 600; color: var(--text); }
.page-sub   { font-size: 12px; color: var(--muted); }

main { padding: 24px 28px; }

/* ── Typography ──────────────────────────────────────────── */

h2 {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .6px;
  margin: 24px 0 10px;
}

h3 { font-size: 13px; font-weight: 600; margin-bottom: 10px; color: var(--text); }

/* ── Cards ───────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 10px;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
}

.card-header.running  { border-left: 3px solid var(--green); }
.card-header.failed   { border-left: 3px solid var(--red); }
.card-header.failover { border-left: 3px solid var(--orange); }
.card-header.idle     { border-left: 3px solid #cbd5e0; }

/* ── Status indicators ───────────────────────────────────── */

.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #cbd5e0;
  flex-shrink: 0;
}
.dot.connected { background: var(--green); }
.dot.waiting   { background: var(--orange); }
.dot.running   { background: var(--green); }   /* legacy fallback */
.dot.failed    { background: var(--red); }
.dot.failover  { background: var(--orange); }
.dot.idle      { background: #cbd5e0; }
.dot.standby   { background: var(--blue); }

.badge {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 10px;
  letter-spacing: .2px;
}
.badge-blue   { background: #eff6ff; color: var(--blue); }
.badge-green  { background: #f0fdf4; color: var(--green); }
.badge-red    { background: #fff1f2; color: var(--red); }
.badge-orange { background: #fff7ed; color: var(--orange); }
.badge-gray   { background: #f3f4f6; color: var(--muted); }

.signal-badge { font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: 10px; border: 1px solid var(--border); }
.signal-badge.connected { background: #f0fdf4; color: var(--green); border-color: #bbf7d0; }
.signal-badge.no-signal { background: #fff1f2; color: var(--red);   border-color: #fecdd3; }
.signal-badge.waiting   { background: #f9fafb; color: var(--muted); border-color: var(--border); }

.inbound-name { font-weight: 600; font-size: 14px; }
.proto-tag {
  font-size: 11px;
  font-family: var(--mono);
  background: #eff6ff;
  color: var(--blue);
  padding: 2px 6px;
  border-radius: 4px;
}
.status-text { font-size: 11px; color: var(--muted); margin-left: auto; }

/* ── Outbound rows ───────────────────────────────────────── */

.outbound-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 28px;
  border-top: 1px solid #f1f5f9;
}

.out-name { font-size: 12px; font-weight: 500; min-width: 110px; }
.out-url  { font-size: 11px; font-family: var(--mono); color: var(--muted); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.out-conn-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 10px;
  white-space: nowrap;
}
.conn-live { background: #dcfce7; color: #16a34a; }
.conn-wait { background: #f1f5f9; color: #94a3b8; }

.out-stats {
  font-size: 11px;
  font-family: var(--mono);
  color: #475569;
  margin-left: auto;
  white-space: nowrap;
}

/* ── Buttons ─────────────────────────────────────────────── */

.btn {
  font-size: 12px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 5px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-family: var(--font);
  background: var(--surface);
  color: var(--text);
  white-space: nowrap;
}
.btn:hover { background: var(--bg); }

.btn-primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover { background: #2563eb; border-color: #2563eb; }

.btn-start { background: #f0fdf4; color: var(--green); border-color: #bbf7d0; }
.btn-start:hover { background: #dcfce7; }

.btn-stop  { background: #fff1f2; color: var(--red); border-color: #fecdd3; }
.btn-stop:hover  { background: #fee2e2; }

.btn-preview { background: #eff6ff; color: var(--blue); border-color: #bfdbfe; }
.btn-preview:hover { background: #dbeafe; }

/* ── Stats live feed ─────────────────────────────────────── */

.feed-stats {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 7px 16px;
  background: #f8fafc;
  border-top: 1px solid #e8edf3;
  font-size: 11px;
  font-family: var(--mono);
}
.feed-stats.visible { display: flex; }

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.stat-item {
  display: flex;
  align-items: center;
  gap: 3px;
  color: #475569;
}
.stat-item .stat-lbl {
  color: #94a3b8;
  text-transform: uppercase;
  font-size: 9px;
  letter-spacing: .4px;
}
.stat-item.alert { color: var(--red); font-weight: 700; }
.stat-item.warn  { color: var(--orange); font-weight: 600; }

.stream-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.stream-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 7px;
  border-radius: 3px;
  font-size: 10px;
  font-family: var(--mono);
  background: #eef2ff;
  color: #4f46e5;
  border: 1px solid #c7d2fe;
}
.stream-tag.audio {
  background: #f0fdf4;
  color: #16a34a;
  border-color: #bbf7d0;
}

/* ── RIST stats row ──────────────────────────────────────── */

.rist-row {
  background: #f0f7ff;
  border-top: 1px solid #dbeafe;
  margin: 0 -16px;
  padding: 4px 16px;
}
.rist-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .6px;
  color: #3b82f6;
  text-transform: uppercase;
  margin-right: 8px;
  padding: 1px 5px;
  background: #dbeafe;
  border-radius: 3px;
}
.rist-item { color: #1e3a5f; }
.rist-ok  { color: #16a34a !important; font-weight: 700; }
.rist-warn { color: var(--orange) !important; font-weight: 700; }
.rist-err { color: var(--red) !important; font-weight: 700; }

/* ── ffmpeg log strip ────────────────────────────────────── */

.ffmpeg-logs {
  font-size: 11px;
  font-family: var(--mono);
  color: #92400e;
  background: #fffbeb;
  border-top: 1px solid #fde68a;
  padding: 5px 16px;
  max-height: 90px;
  overflow-y: auto;
  display: none;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.5;
}
.ffmpeg-logs.has-logs { display: block; }

/* ── Events table ────────────────────────────────────────── */

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

table { width: 100%; border-collapse: collapse; }
table th {
  text-align: left;
  padding: 8px 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .4px;
  background: #fafbfc;
  border-bottom: 1px solid var(--border);
}
table td { padding: 8px 14px; font-size: 12px; border-top: 1px solid #f1f5f9; }
table td.mono { font-family: var(--mono); color: var(--muted); font-size: 11px; }
table tr:hover td { background: #fafbfc; }

/* ── TR 101-290 ──────────────────────────────────────────── */

.tr-section { margin-bottom: 16px; }

.tr-priority-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 1px solid var(--border);
}

.tr-p1 { background: #fff1f2; color: var(--red); border-color: #fecdd3; }
.tr-p2 { background: #fff7ed; color: var(--orange); border-color: #fed7aa; }
.tr-p3 { background: #f0f9ff; color: #0369a1; border-color: #bae6fd; }

.tr-check {
  display: grid;
  grid-template-columns: 220px 60px 60px 80px 1fr;
  align-items: center;
  padding: 7px 14px;
  border-top: 1px solid #f1f5f9;
  font-size: 12px;
}

.tr-check:hover { background: #fafbfc; }

.tr-check-name { font-weight: 500; }
.tr-check-name small { display: block; font-size: 10px; font-weight: 400; color: var(--muted); }

.tr-status-ok   { color: var(--green); font-weight: 600; font-size: 14px; }
.tr-status-err  { color: var(--red);   font-weight: 600; font-size: 14px; }
.tr-status-warn { color: var(--orange); font-weight: 600; font-size: 14px; }
.tr-status-na   { color: #cbd5e0; font-size: 14px; }

.tr-count { font-family: var(--mono); font-size: 11px; }
.tr-pid   { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.tr-ts    { font-size: 11px; color: var(--muted); }

.no-data  { color: var(--muted); font-style: italic; padding: 20px 0; font-size: 13px; }

/* ── Tabs ────────────────────────────────────────────────── */

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  font-size: 13px;
  padding: 8px 18px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font);
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--blue); border-bottom-color: var(--blue); font-weight: 500; }

/* ── Config forms ────────────────────────────────────────── */

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 24px;
  margin-bottom: 16px;
  max-width: 540px;
}

.form-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 10px;
}
.form-hint {
  grid-column: 2;
  font-size: 11px;
  color: var(--muted);
  margin-top: -4px;
}

.form-row label { font-size: 12px; font-weight: 500; color: var(--muted); }

.form-row input,
.form-row select {
  width: 100%;
  background: #fafbfc;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 6px 10px;
  font-size: 13px;
  font-family: var(--font);
}

.form-row input:focus,
.form-row select:focus { outline: none; border-color: var(--blue); background: var(--surface); }

.form-divider {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 12px 0 6px;
  border-top: 1px solid var(--border);
  margin: 4px 0;
  grid-column: 1 / -1;
}

.form-actions { margin-top: 16px; display: flex; gap: 8px; }

.config-inbound-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.config-inbound-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: #fafbfc;
  border-bottom: 1px solid var(--border);
}

.config-outbound-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-top: 1px solid #f1f5f9;
  font-size: 12px;
}
.config-outbound-row .out-url { flex: 1; font-family: var(--mono); font-size: 11px; color: var(--muted); }

.add-outbound-section {
  padding: 16px;
  border-top: 1px solid var(--border);
  background: #fafbfc;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Endpoints ───────────────────────────────────────────── */

.ep-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-top: 1px solid #f1f5f9;
  font-size: 12px;
}
.ep-row:first-child { border-top: none; }

.ep-type-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .4px;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.ep-type-badge.source      { background: #eff6ff; color: #2563eb; border: 1px solid #bfdbfe; }
.ep-type-badge.destination { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }

.ep-name { font-weight: 500; min-width: 140px; }
.ep-url  { flex: 1; font-family: var(--mono); font-size: 11px; color: var(--muted);
           overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Modal endpoints */
.ep-modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  z-index: 1000; display: flex; align-items: center; justify-content: center;
}
.ep-modal {
  background: #fff; border-radius: 8px; padding: 20px;
  width: 480px; max-width: 95vw; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.ep-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; font-weight: 600; font-size: 14px;
}
.ep-modal-close {
  background: none; border: none; font-size: 18px; cursor: pointer;
  color: var(--muted); line-height: 1;
}
.ep-modal-close:hover { color: var(--text); }

.ep-picker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  border: 1px solid var(--border);
  transition: background .1s;
}
.ep-picker-item:hover { background: #f0f7ff; border-color: #bfdbfe; }

/* ── Topology ────────────────────────────────────────────────── */

.topo-wrap {
  position: relative;
  background: #f8fafc;
  background-image: radial-gradient(circle, #c8d3e0 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
  overflow: hidden;
  user-select: none;
}
.topo-wrap.panning { cursor: grabbing !important; }

#topo-canvas {
  transform-origin: 0 0;
  will-change: transform;
}

/* Boutons zoom (coin haut-droit) */
.topo-zoom-btns {
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 20;
  display: flex;
  gap: 3px;
  align-items: center;
}
.topo-zoom-btns button {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  width: 26px;
  height: 26px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  color: var(--text);
  line-height: 1;
  padding: 0;
  transition: background .15s;
}
.topo-zoom-btns button:hover { background: var(--hover); }
#topo-zoom-label {
  font-size: 11px;
  font-weight: 600;
  width: 40px;
  letter-spacing: .02em;
  color: var(--muted);
}

.topo-svg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
  z-index: 0;
}

/* One row per feed: input | hub | outputs — centré horizontalement */
.topo-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  margin-bottom: 28px;
  position: relative;
}
.topo-row:last-child { margin-bottom: 0; }

.topo-col-input {
  width: 210px;
  flex-shrink: 0;
  align-self: center;
}

/* ── Nodes ───────────────────────────────────────────────────── */

.topo-node {
  position: relative;
  background: #ffffff;
  border: 1.5px solid #d1d9e6;
  border-radius: 8px;
  padding: 10px 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
  transition: border-color .2s, box-shadow .2s;
  position: relative;
  z-index: 1;
}

/* Node statuses */
.topo-node.status-connected { border-color: #16a34a; box-shadow: 0 0 0 3px #dcfce7, 0 1px 4px rgba(0,0,0,.08); }
.topo-node.status-waiting   { border-color: #d97706; box-shadow: 0 0 0 3px #fef3c7, 0 1px 4px rgba(0,0,0,.08); }
.topo-node.status-failover  { border-color: #d97706; box-shadow: 0 0 0 3px #fef3c7, 0 1px 4px rgba(0,0,0,.08); }
.topo-node.status-standby   { border-color: #3b82f6; box-shadow: 0 0 0 3px #dbeafe, 0 1px 4px rgba(0,0,0,.08); }
.topo-node.status-failed    { border-color: #dc2626; box-shadow: 0 0 0 3px #fee2e2, 0 1px 4px rgba(0,0,0,.08); }
.topo-node.status-running   { border-color: #16a34a; box-shadow: 0 0 0 3px #dcfce7, 0 1px 4px rgba(0,0,0,.08); } /* legacy */

/* Output statuses — couleur de bordure par état de connexion */
.topo-output.status-connected { border-color: #16a34a; border-width: 2px; box-shadow: 0 0 0 2px #dcfce7, 0 1px 3px rgba(0,0,0,.06); }
.topo-output.status-waiting   { border-color: #d97706; border-width: 2px; box-shadow: 0 0 0 2px #fef3c7, 0 1px 3px rgba(0,0,0,.06); }
.topo-output.status-idle      { border-color: #d1d9e6; border-width: 1.5px; box-shadow: 0 1px 3px rgba(0,0,0,.04); opacity: .75; }
.topo-output.status-failed    { border-color: #dc2626; border-width: 2px; box-shadow: 0 0 0 2px #fee2e2, 0 1px 3px rgba(0,0,0,.06); }

/* Output card — compact */
.topo-output {
  padding: 6px 10px;
  min-width: 160px;
  max-width: 220px;
}
.topo-output .topo-node-type  { margin-bottom: 2px; }
.topo-output .topo-node-name  { font-size: 12px; margin-bottom: 2px; }
.topo-output .topo-node-meta  { margin-bottom: 3px; gap: 4px; }
.topo-output .topo-out-url    { max-width: 110px; font-size: 10px; }
.topo-output .topo-node-bps   { font-size: 9px; margin-top: 1px; }
.topo-output .topo-out-stats  { font-size: 9px; margin-top: 1px; }

.topo-node-type {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 4px;
}

.topo-node-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 5px;
}

.topo-node-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 6px;
}

.topo-proto {
  font-family: var(--mono);
  font-size: 10px;
  background: #eff6ff;
  color: var(--blue);
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  flex-shrink: 0;
}

.topo-muted { font-size: 11px; color: var(--muted); font-family: var(--mono); }

.topo-out-url {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 160px;
  display: inline-block;
}

.topo-node-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topo-node-bps {
  font-family: var(--mono);
  font-size: 10px;
  color: #475569;
  margin-top: 3px;
}

.topo-out-stats {
  font-family: var(--mono);
  font-size: 10px;
  color: #64748b;
  margin-top: 3px;
  min-height: 0;
}

/* ── TR 101-290 barre sur output card ────────────────────────── */
.out-tr290-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 5px;
  padding-top: 5px;
  border-top: 1px solid var(--border);
}
.tr290-out-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  background: #1a2233;
  color: #64748b;
  white-space: nowrap;
}
.tr290-out-badge.tr290-ok   { color: #16a34a; }
.tr290-out-badge.tr290-warn { color: #d97706; }
.tr290-out-badge.tr290-err  { color: #dc2626; }
.tr290-out-btn {
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 3px;
  background: #1e2940;
  border: 1px solid #2e3f5a;
  color: #94a3b8;
  cursor: pointer;
  margin-left: auto;
}
.tr290-out-btn:hover { background: #253352; color: #c8d3e0; }

/* ── Output health panel ──────────────────────────────────────── */
.out-health-panel {
  margin-top: 6px;
  padding-top: 5px;
  border-top: 1px solid var(--border);
}
.ohp-row {
  display: grid;
  grid-template-columns: 8px 1fr auto;
  align-items: center;
  gap: 4px;
  margin-bottom: 2px;
  font-size: 10px;
}
.ohp-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #475569;
  flex-shrink: 0;
}
.ohp-dot.hok   { background: var(--green); }
.ohp-dot.hwarn { background: var(--orange); }
.ohp-dot.herr  { background: var(--red); }
.ohp-label { color: var(--muted); font-size: 9px; }
.ohp-val   { font-family: var(--mono); font-size: 10px; color: var(--fg); text-align: right; }

/* ── Slate standby badge ───────────────────────────────────── */
.slate-badge {
  display: inline-block;
  margin-top: 5px;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.slate-badge.slate-active {
  background: #1e3a5f;
  color: #93c5fd;
  border: 1px solid #3b82f6;
  animation: slate-pulse 2s ease-in-out infinite;
}
.slate-badge.slate-countdown {
  background: #292524;
  color: #fbbf24;
  border: 1px solid #d97706;
}
@keyframes slate-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .55; }
}

/* ── Slate inbound config modal ────────────────────────────── */
.slate-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
  border-radius: 6px;
  margin-bottom: .75rem;
  cursor: crosshair;
  border: 1px solid var(--border);
}
.slate-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  user-select: none;
}
.slate-clock-preview {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,.55);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 3px;
  pointer-events: none;
  font-family: monospace;
}
.slate-bar-preview {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 6px;
  width: 40px;
  background: #3b82f6;
  border-radius: 3px;
  animation: slate-bar-anim 2s ease-in-out infinite;
}
@keyframes slate-bar-anim {
  0%   { left: 0%; }
  50%  { left: calc(100% - 40px); }
  100% { left: 0%; }
}
.slate-text-drag {
  position: absolute;
  background: rgba(0,0,0,.6);
  color: #fff;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  cursor: grab;
  user-select: none;
  white-space: nowrap;
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: 0 2px 6px rgba(0,0,0,.5);
  transform: translate(-50%, -50%);
  transition: box-shadow .1s;
}
.slate-text-drag:active { cursor: grabbing; box-shadow: 0 4px 12px rgba(0,0,0,.7); }
.slate-text-drag.hidden { display: none; }
.slate-hint {
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: .75rem;
}

/* ── H.264 analyse périodique ──────────────────────────────── */
.out-h264-bar {
  margin-top: 5px;
  padding: 4px 6px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  font-size: 10px;
}
.h264-label {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: .4px;
  margin-right: 2px;
}
.h264-fps  { font-family: var(--mono); color: var(--text); }
.h264-gop  { font-family: var(--mono); color: var(--muted); }
.h264-gop.h264-ok   { color: var(--green); }
.h264-gop.h264-warn { color: var(--orange); font-weight: 600; }
.h264-ipb  { font-family: var(--mono); color: #64748b; }
.h264-ts   { font-size: 9px; color: var(--muted); margin-left: auto; }
.h264-ts.h264-warn { color: var(--orange); }

.topo-sig-text           { font-size: 11px; color: var(--muted); }
.topo-sig-text.sig-ok    { color: var(--green); font-weight: 500; }
.topo-sig-text.sig-err   { color: var(--red);   font-weight: 500; }
.topo-sig-text.sig-wait  { color: #94a3b8; }

/* ── Hub node ────────────────────────────────────────────────── */

.topo-hub-node {
  position: relative;
  width: 100px;
  height: 100px;
  background: #1c2333;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  border: 2px solid #2a3347;
  transition: border-color .2s, box-shadow .2s;
  position: relative;
  z-index: 1;
  justify-self: center;
}

.topo-hub-node.status-connected { border-color: #16a34a; box-shadow: 0 0 0 4px #dcfce780, 0 4px 16px rgba(0,0,0,.25); }
.topo-hub-node.status-waiting   { border-color: #d97706; box-shadow: 0 0 0 4px #fef3c780, 0 4px 16px rgba(0,0,0,.25); }
.topo-hub-node.status-failover  { border-color: #d97706; box-shadow: 0 0 0 4px #fef3c780, 0 4px 16px rgba(0,0,0,.25); }
.topo-hub-node.status-standby   { border-color: #3b82f6; box-shadow: 0 0 0 4px #dbeafe80, 0 4px 16px rgba(0,0,0,.25); }
.topo-hub-node.status-failed    { border-color: #dc2626; box-shadow: 0 0 0 4px #fee2e280, 0 4px 16px rgba(0,0,0,.25); }
.topo-hub-node.status-running   { border-color: #16a34a; box-shadow: 0 0 0 4px #dcfce780, 0 4px 16px rgba(0,0,0,.25); } /* legacy */

.topo-hub-icon  { font-size: 24px; color: #4a9eff; line-height: 1; }
.topo-hub-label {
  font-size: 10px; font-weight: 600; color: #c8d3e0;
  text-align: center; max-width: 84px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topo-hub-st {
  font-size: 9px; font-weight: 700; letter-spacing: .6px;
  color: #4a5568; text-transform: uppercase;
}

/* ── TR 101-290 hub summary ──────────────────────────────────── */
.tr290-summary {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  margin-top: 4px;
}
.tr290-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  background: #1a2233;
  color: #64748b;
  min-width: 36px;
  text-align: center;
  display: inline-block;
}
.tr290-badge.tr290-ok   { color: #16a34a; }
.tr290-badge.tr290-warn { color: #d97706; }
.tr290-badge.tr290-err  { color: #dc2626; }
.tr290-btn {
  font-size: 9px;
  padding: 1px 7px;
  border-radius: 4px;
  background: #1e2940;
  border: 1px solid #2e3f5a;
  color: #94a3b8;
  cursor: pointer;
  margin-top: 2px;
}
.tr290-btn:hover { background: #253352; color: #c8d3e0; }

/* ── TR 101-290 modal ────────────────────────────────────────── */
.tr290-modal-box { max-width: 560px; width: 95%; }
.tr290-since {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
  font-family: var(--mono);
}
.tr290-pids {
  font-size: 10px;
  color: #64748b;
  margin-bottom: 8px;
  font-family: var(--mono);
}
.tr290-section-title {
  font-size: 11px;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: .5px;
  text-transform: uppercase;
  margin: 12px 0 4px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 3px;
}
.tr290-rows { display: flex; flex-direction: column; gap: 2px; }
.tr290-row {
  display: grid;
  grid-template-columns: 16px 1fr auto auto;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 11px;
}
.tr290-row-ok   { background: rgba(22,163,74,.06); }
.tr290-row-warn { background: rgba(217,119,6,.08); }
.tr290-row-err  { background: rgba(220,38,38,.08); }
.tr290-row-dot  { font-size: 12px; text-align: center; }
.tr290-row-ok   .tr290-row-dot { color: #16a34a; }
.tr290-row-warn .tr290-row-dot { color: #d97706; }
.tr290-row-err  .tr290-row-dot { color: #dc2626; }
.tr290-row-label { color: var(--fg); }
.tr290-row-count {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 12px;
  text-align: right;
  min-width: 28px;
}
.tr290-row-ok   .tr290-row-count { color: transparent; }
.tr290-row-warn .tr290-row-count { color: #d97706; }
.tr290-row-err  .tr290-row-count { color: #dc2626; }
.tr290-row-last {
  font-size: 9px;
  color: var(--muted);
  font-family: var(--mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

/* ── Outputs column ──────────────────────────────────────────── */

.topo-outputs-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ── Input column (node + log panel) ────────────────────────── */

.topo-col-input {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ── Error badge sur le type INPUT ──────────────────────────── */

.topo-err-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  padding: 0 4px;
  margin-left: 5px;
  vertical-align: middle;
}

/* ── Health / Diagnostics panel ─────────────────────────────── */

.topo-health-panel {
  background: #1a1f2e;
  border: 1px solid #2a3347;
  border-radius: 6px;
  overflow: hidden;
  font-size: 10px;
  min-width: 190px;
  max-width: 300px;
}

.topo-health-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  background: #1e2538;
  border-bottom: 1px solid #2a3347;
}

.topo-health-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: #8b97a8;
}

.topo-health-reset {
  font-size: 9px;
  font-weight: 600;
  background: none;
  border: 1px solid #3a4560;
  color: #8b97a8;
  border-radius: 3px;
  padding: 1px 6px;
  cursor: pointer;
  font-family: var(--font);
  transition: border-color .1s, color .1s;
}
.topo-health-reset:hover {
  border-color: #4a7fa5;
  color: #7ab8d6;
}

.topo-health-grid {
  display: flex;
  flex-direction: column;
  padding: 4px 0;
}

.health-item {
  display: flex;
  align-items: center;
  padding: 2px 8px;
  gap: 4px;
  cursor: default;
  white-space: nowrap;
}

.health-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  background: #3a4560;
}
.health-dot.hok   { background: #22c55e; }
.health-dot.hwarn { background: #f59e0b; }
.health-dot.herr  { background: #ef4444; }

.health-label {
  color: #6b7a90;
  font-size: 10px;
  flex: 1;
}

.health-val {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  min-width: 22px;
  text-align: right;
}

.health-val.hok    { color: #22c55e; }
.health-val.hwarn  { color: #f59e0b; }
.health-val.herr   { color: #ef4444; }
.health-val.hmuted { color: #3a4560; }

.topo-health-metrics {
  border-top: 1px solid #2a3347;
  padding: 5px 8px 3px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #8b97a8;
  font-family: var(--mono);
  font-size: 10px;
}

.topo-health-metrics span {
  white-space: nowrap;
}

.topo-health-metrics b {
  color: #c8d3e8;
  font-weight: 600;
}

.topo-health-streams {
  border-top: 1px solid #2a3347;
  padding: 4px 8px 3px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hstream-row {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: #7a8fa8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hstream-row b {
  color: #5a7a9a;
  font-size: 9px;
}

.hstream-pid {
  font-family: var(--mono);
  font-size: 9px;
  color: #3a5070;
}
.hstream-rate {
  font-family: var(--mono);
  font-size: 9px;
  color: #22c55e;
  margin-left: 4px;
}

.topo-health-since {
  padding: 2px 8px 4px;
  font-size: 9px;
  color: #3a4560;
  border-top: 1px solid #1e2538;
}

/* ── Modal diagnostics complet ───────────────────────────────── */

.diag-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(3px);
}

.diag-modal-box {
  background: #161b2a;
  border: 1px solid #2a3347;
  border-radius: 10px;
  width: 620px;
  max-width: 96vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.7);
}

.diag-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: #1e2538;
  border-bottom: 1px solid #2a3347;
  flex-shrink: 0;
}

.diag-modal-title {
  font-size: 13px;
  font-weight: 700;
  color: #c8d3e8;
  letter-spacing: .3px;
}

.diag-modal-close {
  background: none;
  border: none;
  color: #4a5568;
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color .1s;
}
.diag-modal-close:hover { color: #e2e8f0; }

.diag-modal-body {
  padding: 0;
  overflow-y: auto;
  flex: 1;
}

/* ── Sections ── */

.dm-section {
  padding: 12px 18px;
  border-bottom: 1px solid #1e2538;
}
.dm-section:last-child { border-bottom: none; }

.dm-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: #4a5a70;
  margin-bottom: 8px;
}

.dm-sub {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: #3a4560;
  font-size: 9px;
}

/* ── Streams ── */

.dm-stream-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 1px solid #1a1f2e;
  font-size: 11px;
}
.dm-stream-row:last-child { border-bottom: none; }

.dm-stream-icon {
  color: #4a6080;
  font-size: 10px;
  flex-shrink: 0;
  width: 14px;
}

.dm-stream-details {
  font-family: var(--mono);
  color: #8b9db5;
  flex: 1;
  font-size: 10px;
}

.dm-stream-tags {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.dm-tag {
  font-size: 9px;
  font-weight: 600;
  border-radius: 3px;
  padding: 1px 5px;
}

.dm-pid  { background: #1e2d42; color: #5a8ab0; font-family: var(--mono); }
.dm-lang { background: #2a2040; color: #8b70c0; }
.dm-rate { background: #1a2e1a; color: #4ade80; font-family: var(--mono); }

/* ── Stats grid ── */

.dm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 4px 12px;
}

.dm-grid-sep { margin-top: 8px; padding-top: 8px; border-top: 1px solid #1a1f2e; }
.dm-cumul .dm-stat-label { color: #3a4560; }
.dm-cumul .dm-stat-val   { color: #4a5a70; }

.dm-stat {
  display: flex;
  flex-direction: column;
  padding: 4px 0;
}

.dm-stat-label {
  font-size: 9px;
  color: #3a4d65;
  text-transform: uppercase;
  letter-spacing: .4px;
  margin-bottom: 1px;
}

.dm-stat-val {
  font-family: var(--mono);
  font-size: 12px;
  color: #8b9db5;
  font-weight: 600;
}

.dm-warn .dm-stat-val { color: #f59e0b; }
.dm-err  .dm-stat-val { color: #ef4444; }

/* ── Erreurs ── */

.dm-err-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid #1a1f2e;
}
.dm-err-row:last-child { border-bottom: none; }

.dm-err-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
  background: #2a3347;
}
.dm-err-row.mok   .dm-err-dot { background: #22c55e; }
.dm-err-row.mwarn .dm-err-dot { background: #f59e0b; }
.dm-err-row.merr  .dm-err-dot { background: #ef4444; }

.dm-err-body { flex: 1; }

.dm-err-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dm-err-label {
  font-size: 12px;
  color: #8b97a8;
}

.dm-err-count {
  font-size: 11px;
  font-weight: 700;
}
.dm-err-row.mok   .dm-err-count { color: #22c55e; }
.dm-err-row.mwarn .dm-err-count { color: #f59e0b; }
.dm-err-row.merr  .dm-err-count { color: #ef4444; }

.dm-err-last {
  font-family: var(--mono);
  font-size: 10px;
  color: #c08030;
  background: #141820;
  border-radius: 4px;
  padding: 4px 7px;
  margin-top: 4px;
  word-break: break-all;
  line-height: 1.5;
}

/* ── Logs ── */

.diag-modal-logs {
  font-family: var(--mono);
  font-size: 10px;
  background: #0d1018;
  border-radius: 6px;
  padding: 8px;
  max-height: 180px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.modal-log-line {
  color: #5a7090;
  line-height: 1.6;
  word-break: break-all;
}

.modal-loading, .modal-no-log {
  color: #2a3a50;
  font-size: 11px;
  text-align: center;
  padding: 14px 0;
}

/* ── Config redesign ─────────────────────────────────────────── */

.cfg-actions-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.cfg-info-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 7px 16px;
  background: #f8fafc;
  border-bottom: 1px solid #edf2f7;
  font-size: 11px;
}
.cfg-info-item { display: flex; align-items: center; gap: 5px; }
.cfg-info-key  {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .4px; color: #a0aec0;
}
.cfg-info-val { color: var(--text); font-weight: 500; }
.cfg-info-val.encrypted { color: var(--green); }

.cfg-out-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  padding: 12px 16px;
  background: #fafbfc;
  border-bottom: 1px solid var(--border);
}

.cfg-out-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid #cbd5e0;
  border-radius: 6px;
  padding: 8px 10px;
}
.cfg-out-card.running { border-left-color: var(--green); }
.cfg-out-card.failed  { border-left-color: var(--red); }

.cfg-out-card-top {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}
.cfg-out-card-name { font-size: 12px; font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cfg-out-card-url  { font-family: var(--mono); font-size: 10px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cfg-out-card-del  { margin-left: auto; }

.cfg-add-out-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
}

.cfg-add-out-form {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  background: #f8fafc;
}

/* ── Endpoint cards redesign ─────────────────────────────────── */

.ep-section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 8px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.ep-section-label .ep-count {
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
}

.ep-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}

.ep-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ep-card-stripe {
  height: 3px;
  background: #cbd5e0;
}
.ep-card-stripe.source      { background: var(--blue); }
.ep-card-stripe.destination { background: var(--green); }

.ep-card-body { padding: 10px 12px; flex: 1; }

.ep-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.ep-card-actions { margin-left: auto; display: flex; gap: 3px; }

.ep-card-name { font-size: 13px; font-weight: 600; margin-bottom: 3px; color: var(--text); }
.ep-card-client { font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.ep-card-url {
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ep-card-notes {
  font-size: 11px; color: var(--muted); font-style: italic;
  margin-top: 6px; padding-top: 6px;
  border-top: 1px solid #f1f5f9;
}

/* ── Topology drag-and-drop redesign ────────────────────────── */

/* Page layout: sidebar left + canvas right */
.topo-page-layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.topo-main {
  flex: 1;
  min-width: 0;
}

/* Endpoint sidebar */
.topo-ep-sidebar {
  width: 200px;
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.topo-ep-section {
  padding: 8px 10px 4px;
  border-bottom: 1px solid var(--border);
}
.topo-ep-section:last-child { border-bottom: none; }

.topo-ep-section-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.topo-ep-card {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 6px 8px;
  margin-bottom: 5px;
  cursor: grab;
  user-select: none;
  transition: background .12s, border-color .12s, box-shadow .12s;
}
.topo-ep-card:hover { background: #eff6ff; border-color: #bfdbfe; }
.topo-ep-card.dragging {
  opacity: .45;
  cursor: grabbing;
}
.topo-ep-card-client { font-size: 9px; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1px; }
.topo-ep-card-name { font-size: 11px; font-weight: 600; color: var(--text); }
.topo-ep-card-sub  { font-size: 10px; color: var(--muted); font-family: var(--mono); margin-top: 1px; }

/* Drop zones on input col and outputs col */
.topo-col-input,
.topo-outputs-col {
  transition: background .15s, outline .15s;
  border-radius: 10px;
  outline: 2px dashed transparent;
}
.topo-col-input.drag-active   { outline-color: #3b82f6; background: rgba(59,130,246,.06); }
.topo-outputs-col.drag-active { outline-color: #16a34a; background: rgba(22,163,74,.05); }
.topo-col-input.drag-over   { outline-color: #2563eb; background: rgba(59,130,246,.12); }
.topo-outputs-col.drag-over { outline-color: #15803d; background: rgba(22,163,74,.12); }

/* Draggable topo-row handle */
.topo-row-handle {
  cursor: grab;
  opacity: .25;
  font-size: 12px;
  padding: 0 4px;
  line-height: 1;
  align-self: center;
  flex-shrink: 0;
}
.topo-row-handle:hover { opacity: .7; }
.topo-row.row-dragging { opacity: .4; }
.topo-row.row-drag-over { outline: 2px dashed #94a3b8; border-radius: 8px; }
.topo-node.topo-output.out-dragging  { opacity: .35; cursor: grabbing; }
.topo-node.topo-output.out-drag-over { outline: 2px dashed var(--accent); border-radius: 8px; }
.topo-node.topo-output[data-out-id]  { cursor: grab; }

/* Standby = blue (au lieu d'orange) */
.dot.standby           { background: var(--blue); }
.topo-node.status-standby {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px #dbeafe, 0 1px 4px rgba(0,0,0,.08);
}
.topo-hub-node.status-standby {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px #dbeafe80, 0 4px 16px rgba(0,0,0,.25);
}

/* Toast notification */
.topo-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1c2333;
  color: #e2e8f0;
  border: 1px solid #2a3347;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 12px;
  z-index: 2000;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
  transition: opacity .3s;
  max-width: 320px;
}
.topo-toast.ok   { border-left: 3px solid #22c55e; }
.topo-toast.err  { border-left: 3px solid #ef4444; }
.topo-toast.info { border-left: 3px solid #3b82f6; }

/* Port error banner */
.port-error-banner {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 13px;
}

/* Node action menu button */
.topo-node-menu-btn {
  position: absolute;
  top: 5px; right: 5px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  line-height: 1;
  padding: 1px 4px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity .15s;
}
.topo-node:hover .topo-node-menu-btn { opacity: 1; }
.topo-node-menu-btn:hover { color: var(--text); background: rgba(0,0,0,.06); }

.topo-hub-dropdown {
  display: none;
  position: absolute;
  top: 28px; right: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
  min-width: 160px;
  z-index: 200;
  overflow: hidden;
  flex-direction: column;
}
.topo-hub-dropdown.open { display: flex; }
.topo-hub-dropdown button,
.topo-hub-dropdown a {
  background: none;
  border: none;
  color: var(--text);
  font-size: 12px;
  text-align: left;
  padding: 9px 14px;
  cursor: pointer;
  text-decoration: none;
  display: block;
}
.topo-hub-dropdown button:hover,
.topo-hub-dropdown a:hover { background: var(--hover); }
.topo-hub-sep { height: 1px; background: var(--border); margin: 3px 0; }

/* Client label on topology nodes */
.topo-node-client {
  font-size: 10px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Failover input node — nested inside parent hub's input column */
.topo-failover-input {
  margin-top: 8px;
  border-color: #3b82f6 !important;
  opacity: 0.88;
}
.topo-failover-input .topo-node-type { color: #3b82f6; }