/* llm-proxy-poc — stili custom (Tailwind via CDN per il resto) */

/* === Issue #63: Theme tokens — un colore = una riga ===
   Feature/mlr-proxy (2026-09-25): palette aggiornata ai token del flow mockup
   per coerenza visiva con la nuova dashboard. I token sono scelti per
   essere look-alike del precedente tema slate (#0f172a → #0d1117 GitHub
   dark, #3fb950 green) senza rompere le altre pagine. Tutte le regole
   CSS esistenti che usano `var(--bg-body)` etc. si aggiornano automaticamente. */
:root {
  --bg-body: #0d1117;
  --bg-card: #161b22;
  --bg-input: #0d1117;
  --bg-elevated: #21262d;
  --border: #30363d;
  --border-light: rgba(48, 54, 61, 0.5);
  --border-hover: #484f58;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #94a3b8;
  --text-dim: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #1f6feb;
  --accent-purple: #a78bfa;
  --accent-cyan: #7DD3FC;
  --accent-orange: #fb923c;
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
  --disabled: #484f58;
  --gradient-card: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
}

/* Issue #63: .card e .section-card allineati (stesso schema visivo) */
.card,
.section-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.card::before,
.section-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-purple) 100%);
  opacity: 0.5;
  pointer-events: none;
}
.card:hover,
.section-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Issue #63: header card con azioni allineate a destra (standard) */
.section-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.section-card-body {
  padding: 0;
}
/* Tabella inside card coerente */
.card table,
.section-card table {
  font-size: 0.8rem;
}

/* Issue #63: link attivo dentro i dropdown della navbar */
.nav-dropdown-menu a.active {
  background: var(--accent);
  color: #fff;
}
.nav-dropdown-menu a.active:hover {
  background: var(--accent-hover);
}

/* Issue #63: input/select/textarea standard (uniformi su tutte le pagine) */
.field,
input[type="text"],
input[type="number"],
input[type="datetime-local"],
select,
textarea {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  padding: 0.4rem;
  font-size: 0.8rem;
}
.field:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  /* Issue #63: bordo fine su tutti i bottoni (niente ombre/highlight) */
  border: 1px solid transparent;
  box-shadow: none;
  font-size: 0.875rem;
}

/* Issue #63: bottoni senza sfondo colorato (stile outline) — tranne il
   Playground che ha classi proprie (btn-send/btn-cancel/...) nel suo style. */
.btn-primary {
  background: transparent;
  color: #60a5fa;
  border: 1px solid #3b82f6;
}
.btn-primary:hover { background: rgba(59, 130, 246, 0.12); border-color: #60a5fa; }
.btn-primary:disabled { background: transparent; border-color: #475569; color: #64748b; cursor: not-allowed; }

.btn-danger {
  background: transparent;
  color: #f87171;
  border: 1px solid #ef4444;
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.12); border-color: #f87171; }

.btn-ghost {
  background: transparent;
  color: #94a3b8;
  border: 1px solid #334155;
}
.btn-ghost:hover { background: #334155; color: white; }

.input, .textarea, .select {
  width: 100%;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  color: #e2e8f0;
  font-family: inherit;
  font-size: 0.875rem;
}

.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.textarea {
  font-family: ui-monospace, "SF Mono", "Monaco", monospace;
  resize: vertical;
  min-height: 200px;
}

.badge {
  display: inline-flex;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-green { background: #064e3b; color: #6ee7b7; }
.badge-blue  { background: #1e3a8a; color: #93c5fd; }
.badge-red   { background: #7f1d1d; color: #fca5a5; }
.badge-gray  { background: #334155; color: #cbd5e1; }

.nav {
  background: #1e293b;
  border-bottom: 1px solid #334155;
  padding: 0.75rem 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav a {
  color: #94a3b8;
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
}
.nav a:hover { background: #334155; color: white; }
.nav a.active { background: #3b82f6; color: white; }
.nav .brand { font-weight: 700; color: white; margin-right: 1rem; }

/* === Nav dropdown (Config, Governance) ===
   Usa <details>/<summary> per accessibilità keyboard-friendly (no JS required).
   Gestione `open` e class="active" viene fatta al build time da tools/build_nav.py
   in base alla pagina corrente. Il JS (nav.js) gestisce solo:
   - data-requires="master" (mostra/nascondi Governance)
   - click outside per chiudere
*/
.nav-dropdown {
  position: relative;
}
.nav-dropdown > summary {
  color: #94a3b8;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  cursor: pointer;
  list-style: none;       /* nasconde il triangolino default in WebKit/Blink */
  user-select: none;
}
.nav-dropdown > summary::-webkit-details-marker { display: none; } /* Safari */
.nav-dropdown > summary::after {
  content: " ▾";
  font-size: 0.7rem;
  margin-left: 0.25rem;
  opacity: 0.6;
}
.nav-dropdown > summary:hover { background: #334155; color: white; }
.nav-dropdown[open] > summary,
.nav-dropdown.active > summary {
  background: #334155;
  color: white;
}
.nav-dropdown > .nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.25rem);
  left: 0;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 0.5rem;
  min-width: 180px;
  padding: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  z-index: 50;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.nav-dropdown > .nav-dropdown-menu a {
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.85rem;
  white-space: nowrap;
}
.nav-dropdown > .nav-dropdown-menu a.active {
  background: #3b82f6;
  color: white;
}
/* Quando il <details> richiede master e il tenant non lo è, nascondi tutto */
.nav-dropdown[hidden-tenant] { display: none; }
/* Stesso trattamento per i <a> diretti nella topbar (es. Benchmark, Playground)
   che hanno data-requires="master" ma non sono dentro un <details>. Senza
   questa regola, l'attributo hidden-tenant impostato da nav.js non aveva
   effetto visivo sui singoli link. */
.nav > a[hidden-tenant] { display: none; }

.container { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }

.toast {
  position: fixed;
  top: 1rem;
  right: 1rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  background: #1e293b;
  border: 1px solid #334155;
  color: white;
  z-index: 1000;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}
.toast.success { border-color: #10b981; }
.toast.error { border-color: #ef4444; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.4rem 0.5rem; text-align: left; border-bottom: 1px solid #334155; }
th { color: #94a3b8; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; }
tr:hover { background: rgba(255,255,255,0.03); }

code {
  font-family: ui-monospace, "SF Mono", monospace;
  background: #0f172a;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-size: 0.85em;
  color: #93c5fd;
}

pre {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.85em;
}

.spinner {
  display: inline-block;
  width: 1rem; height: 1rem;
  border: 2px solid #334155;
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: #64748b;
}
.empty h3 { color: #94a3b8; margin-bottom: 0.5rem; }

.kbd {
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  padding: 0.125rem 0.375rem;
  background: #334155;
  border: 1px solid #475569;
  border-radius: 0.25rem;
  color: #cbd5e1;
}

/* Toggle switch per API key (abilita/disabilita tenant key).
   Pattern classico iOS-style: input hidden + slider visivo. */
.key-toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  cursor: pointer;
  flex-shrink: 0;
}
.key-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}
.key-toggle-slider {
  position: absolute;
  inset: 0;
  background-color: #475569; /* off: grigio */
  border-radius: 20px;
  transition: background-color 0.2s;
}
.key-toggle-slider::before {
  content: "";
  position: absolute;
  height: 14px;
  width: 14px;
  left: 3px;
  top: 3px;
  background-color: #f1f5f9;
  border-radius: 50%;
  transition: transform 0.2s;
}
.key-toggle input:checked + .key-toggle-slider {
  background-color: #10b981; /* on: verde */
}
.key-toggle input:checked + .key-toggle-slider::before {
  transform: translateX(16px);
}
.key-toggle input:focus + .key-toggle-slider {
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.4);
}
.key-toggle input:disabled + .key-toggle-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

/* === System Config: pannello collassabile (master only) ===
   Pattern: header sticky, body collassa con animazione max-height,
   chevron ruota per feedback visivo, stato persistito in localStorage. */
.system-config-header {
  outline: none;
}
.system-config-header:hover {
  color: #e2e8f0;
}
.system-config-header:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
  border-radius: 0.25rem;
}
.system-config-chevron {
  font-size: 0.65rem;
  color: #64748b;
  width: 14px;
  display: inline-block;
  text-align: center;
}
#systemConfigCard.collapsed .system-config-chevron,
#upstreamBackupsCard.collapsed .system-config-chevron,
#discoveredModelsCard.collapsed .system-config-chevron,
#authCard.collapsed .system-config-chevron,
#evalCard.collapsed .system-config-chevron,
#capabilityCard.collapsed .system-config-chevron,
#benchmarkCard.collapsed .system-config-chevron {
  transform: rotate(-90deg);
}
.system-config-body {
  max-height: 4000px;
  opacity: 1;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.2s ease, margin-top 0.2s ease;
}
#systemConfigCard.collapsed .system-config-body,
#upstreamBackupsCard.collapsed .system-config-body,
#discoveredModelsCard.collapsed .system-config-body,
#authCard.collapsed .system-config-body,
#evalCard.collapsed .system-config-body,
#capabilityCard.collapsed .system-config-body,
#benchmarkCard.collapsed .system-config-body {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
}

/* === Key Metrics Card compatto (Master + tenant) ===
   Design compatto e visivamente accattivante: hero metric grande a sx,
   sparkline a dx, sub-metriche inline, status pill con colore dinamico. */
.key-metric-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border: 1px solid #334155;
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  position: relative;
  overflow: hidden;
}
.key-metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 100%);
  opacity: 0.5;
}
.key-metric-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border-color: #475569;
}
.key-metric-card.disabled {
  opacity: 0.5;
}
.key-metric-card .hero-value {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.key-metric-card.idle .hero-value {
  background: linear-gradient(135deg, #475569 0%, #64748b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.key-metric-card .trend-up {
  color: #4ade80;
}
.key-metric-card .trend-down {
  color: #f87171;
}
.key-metric-card .trend-flat {
  color: #94a3b8;
}
.key-metric-card .sub-metric {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  padding: 0.2rem 0.5rem;
  background: #020617;
  border-radius: 0.375rem;
  font-size: 0.7rem;
  white-space: nowrap;
}
.key-metric-card .sub-metric .label {
  color: #64748b;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.key-metric-card .sub-metric .value {
  color: #e2e8f0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.key-metric-card .status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.key-metric-card .status-pill.live {
  background: rgba(74, 222, 128, 0.15);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.3);
}
.key-metric-card .status-pill.idle {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.3);
}
.key-metric-card .status-pill .pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.key-metric-card .sparkline-container {
  height: 50px;
  background: #020617;
  border-radius: 0.375rem;
  padding: 0.25rem;
  position: relative;
}
.key-metric-card .top-info {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.65rem;
  color: #94a3b8;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid #1e293b;
}
.key-metric-card .top-info strong {
  color: #cbd5e1;
  font-weight: 500;
}

/* === Quota & Rate Limit Card compatto ===
   Stesso pattern delle key-metric-card ma con 2 mini-bars orizzontali
   (5h + weekly/7d), hero % usato in font grande, e refresh pill. */
.quota-metric-card {
  /* Issue #63: allineata a .card/.section-card (variabili condivise) */
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.6rem 0.9rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  position: relative;
  overflow: hidden;
}
.quota-metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #8b5cf6 0%, #3b82f6 100%);
  opacity: 0.5;
}
.quota-metric-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border-color: #475569;
}
.quota-metric-card .quota-error {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 0.375rem;
  padding: 0.3rem 0.5rem;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  color: #fed7aa;
}

/* Quota card grid: 2 colonne desktop, 1 colonna mobile */
.quota-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}
@media (max-width: 900px) {
  .quota-grid {
    grid-template-columns: 1fr;
  }
}

/* === Section card (Top-level panels) ===
   Stesso pattern visivo delle quota-metric-card ma per sezioni top-level
   che contengono form, tabelle, o contenuto strutturato. Padding leggermente
   maggiore (0.85rem 1rem) per dare respiro al contenuto interno.
   Le modali (.card) mantengono lo stile legacy "overlay" — sono visivamente
   diverse perché sono dialoghi centrati, non pannelli di pagina. */
.section-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border: 1px solid #334155;
  border-radius: 0.5rem;
  padding: 0.85rem 1rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  position: relative;
  overflow: hidden;
}
.section-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 100%);
  opacity: 0.5;
  pointer-events: none;
}
.section-card:hover {
  border-color: #475569;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.section-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 0.75rem;
}
.section-card h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 0.5rem;
}
.section-card table {
  font-size: 0.8rem;
}
.section-card > p.section-footer,
.section-card p.section-footer {
  color: #64748b;
  font-size: 0.7rem;
  margin-top: 0.75rem;
  margin-bottom: 0;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(30, 41, 59, 0.5);
}

/* Token compression tier pill (0.2.3, sync 0.1.9-token) — colori per i 4 tier
   off/lite/med/aggressive. Mostrato nella colonna 'Compression' della tabella
   API Keys. Lossless stenographic compression. */
.compact-tier-pill {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
  cursor: help;
  transition: transform 0.1s ease;
}
.compact-tier-pill:hover {
  transform: scale(1.05);
}

/* =====================================================================
   Feature/mlr-proxy (2026-09-25) — Dashboard "upstream flow" + chart 24h
   Stili condivisi tra la dashboard e (in futuro) altre pagine admin.
   Sostituisce il vecchio blocco "stats grid + charts canvas".
   ===================================================================== */

.ml-dashboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 1440px;
  margin: 0 auto;
}

.ml-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.ml-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}
.ml-header h1 .accent { color: var(--accent-cyan); }
.ml-header .meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.ml-live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  margin-right: 6px;
  animation: ml-pulse 2s ease-in-out infinite;
  vertical-align: middle;
}
@keyframes ml-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(63, 185, 80, 0.5); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(63, 185, 80, 0); }
}

.ml-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.125rem 1.25rem;
  position: relative;
  overflow: hidden;
}
.ml-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.875rem;
}
.ml-panel-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.ml-panel-meta {
  font-size: 0.6875rem;
  color: var(--text-dim);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

/* === Flow diagram (SVG) ===
   - SVG con viewBox 1500x380, contenuto centrato via <g transform>
     calcolato in renderMlFlow() per simmetria orizzontale e verticale
     nel viewBox.
   - Header (.ml-panel-header) alignato a sinistra (panel usa align-items:stretch).
   - SVG width 100% riempie la larghezza del panel; verticalmente centrato
     nello spazio residuo sotto l'header via margin: auto 0.
   - aspect-ratio CSS esplicito per garantire che i browser calcolino
     l'altezza dalla larghezza anche quando height:auto non collabora
     con il viewBox SVG.
*/
.ml-flow-panel {
  padding: 0.75rem 1.25rem 1.125rem;
  overflow: visible;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}
.ml-flow-panel .ml-panel-header { margin-bottom: 1.25rem; }
.ml-flow-svg {
  width: 100%;
  height: auto;
  margin: auto 0;            /* centra verticalmente nello spazio residuo */
  aspect-ratio: 1500 / 380;
  display: block;
  overflow: visible;
}
.ml-flow-svg .ml-g-node rect {
  fill: var(--bg-elevated);
  stroke: var(--border);
  stroke-width: 1.5;
  rx: 8;
}
.ml-flow-svg .ml-g-node.client rect { stroke: var(--accent-cyan); }
.ml-flow-svg .ml-g-node.selector rect {
  fill: var(--bg-elevated);
  stroke: var(--accent);
  stroke-width: 2;
}
.ml-flow-svg .ml-g-node.provider rect,
.ml-flow-svg .ml-g-node.tenant rect { stroke: var(--border); }
.ml-flow-svg .ml-g-node.provider.on rect,
.ml-flow-svg .ml-g-node.tenant.on rect { stroke: var(--success); }
.ml-flow-svg .ml-g-node.provider.warn rect {
  stroke: var(--warning);
  animation: ml-warn-pulse 2s ease-in-out infinite;
}
.ml-flow-svg .ml-g-node.provider.off rect,
.ml-flow-svg .ml-g-node.tenant.off rect {
  stroke: var(--disabled);
  stroke-dasharray: 4 3;
}
.ml-flow-svg .ml-g-node.provider.idle rect,
.ml-flow-svg .ml-g-node.tenant.idle rect {
  /* enabled ma non LIVE ora (last_used_at > 5min fa) — tratteggio sottile */
  stroke: var(--border-hover);
  stroke-dasharray: 2 3;
  opacity: 0.65;
}
.ml-flow-svg .ml-g-node.provider.idle text,
.ml-flow-svg .ml-g-node.tenant.idle text { fill: var(--text-dim); }
@keyframes ml-warn-pulse {
  0%, 100% { stroke-opacity: 1; }
  50% { stroke-opacity: 0.4; }
}
.ml-flow-svg text { fill: var(--text-primary); font-family: -apple-system, sans-serif; }
.ml-flow-svg .ml-nlabel {
  font-size: 14px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; fill: var(--text-secondary);
}
.ml-flow-svg .ml-nvalue {
  font-size: 22px; font-weight: 600;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.ml-flow-svg .ml-g-node.client .ml-nvalue { fill: var(--accent-cyan); }
.ml-flow-svg .ml-g-node.selector .ml-nvalue { fill: var(--accent); font-size: 20px; }
.ml-flow-svg .ml-g-node.selector .ml-nlabel { fill: var(--accent); }
.ml-flow-svg .ml-nsub {
  font-size: 12px; fill: var(--text-dim);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.ml-flow-svg .ml-g-node.provider .ml-nname {
  font-size: 16px; font-weight: 600;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.ml-flow-svg .ml-g-node.provider .ml-nstat {
  font-size: 12px; fill: var(--text-secondary);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.ml-flow-svg .ml-g-node.tenant .ml-nname {
  font-size: 14px; font-weight: 600;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.ml-flow-svg .ml-g-node.tenant .ml-nstat {
  font-size: 11px; fill: var(--text-secondary);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.ml-flow-svg .ml-g-node.provider.off text,
.ml-flow-svg .ml-g-node.tenant.off text { fill: var(--text-dim); }
.ml-flow-svg .ml-nstatus { fill: var(--disabled); }
.ml-flow-svg .ml-g-node.on .ml-nstatus { fill: var(--success); }
.ml-flow-svg .ml-g-node.warn .ml-nstatus { fill: var(--warning); }

.ml-flow-svg .ml-conn {
  fill: none;
  stroke: var(--border);
  stroke-width: 1.5;
}
.ml-flow-svg .ml-conn.inactive { stroke: var(--border); stroke-dasharray: 4 3; opacity: 0.5; }
.ml-flow-svg .ml-conn.active { stroke: var(--accent); stroke-width: 2; }
.ml-flow-svg .ml-conn.active-strong { stroke: var(--accent-cyan); stroke-width: 2.5; }

.ml-flow-svg .ml-synapse {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 6 100;
  opacity: 0.85;
  animation: ml-synapse-run var(--synapse-dur, 1.6s) linear infinite;
}
@keyframes ml-synapse-run {
  from { stroke-dashoffset: 100; }
  to { stroke-dashoffset: 0; }
}

.ml-flow-svg .ml-impulse {
  fill: var(--accent);
  filter: drop-shadow(0 0 4px var(--accent));
}
.ml-flow-svg .ml-impulse.in {
  fill: var(--accent-purple);
  filter: drop-shadow(0 0 4px var(--accent-purple));
}
.ml-flow-svg .ml-impulse.warn {
  fill: var(--warning);
  filter: drop-shadow(0 0 4px var(--warning));
}

/* === Bar chart 24h === */
.ml-chart-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}
.ml-chart-cell {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.625rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;       /* per la stripe diagonale .off */
  overflow: hidden;          /* la stripe non deborda dal box */
}
/* Upstream key disabilitata: tutto in toni di grigio + barra diagonale che
   attraversa il riquadro (da top-left a bottom-right), pattern "disable"
   universalmente riconoscibile. */
.ml-chart-cell.off {
  background: var(--bg-card);
  border-color: var(--disabled);
  filter: grayscale(0.85);
}
/* La stripe diagonale: gradient ripetuto che simula una sbarra sbarrata.
   Creata via due background-image sovrapposti (::before + ::after):
   - ::before: stripe principale, diagonale a 45°
   - ::after: stripe di rinforzo, offset per riempire i vuoti
   Position absolute + pointer-events:none per non bloccare interazioni. */
.ml-chart-cell.off::before,
.ml-chart-cell.off::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.ml-chart-cell.off::before {
  background-image: repeating-linear-gradient(
    45deg,
    transparent 0,
    transparent 22px,
    rgba(255, 255, 255, 0.06) 22px,
    rgba(255, 255, 255, 0.06) 26px
  );
  z-index: 1;
}
.ml-chart-cell.off::after {
  background-image: repeating-linear-gradient(
    45deg,
    transparent 0,
    transparent 14px,
    rgba(0, 0, 0, 0.18) 14px,
    rgba(0, 0, 0, 0.18) 16px
  );
  z-index: 1;
}
/* Testi dentro cella off: dimmer (text-dim) per il nome + meta, accent-cyan spenta */
.ml-chart-cell.off .ml-cc-name,
.ml-chart-cell.off .ml-cc-total,
.ml-chart-cell.off .ml-cc-total strong {
  color: var(--text-dim);
}
.ml-chart-cell.off .ml-chart-bar {
  opacity: 0.35;
}
/* Contenuto sempre sopra la stripe overlay (z-index 1) */
.ml-chart-cell > * {
  position: relative;
  z-index: 2;
}
.ml-chart-cell-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.6875rem;
}
.ml-chart-cell-head .ml-cc-name {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-weight: 600;
  color: var(--text-primary);
}
.ml-chart-cell-head .ml-cc-total {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--text-secondary);
}
.ml-chart-cell-head .ml-cc-total strong {
  color: var(--accent-cyan);
  font-size: 0.75rem;
}
.ml-chart-bars {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  align-items: end;
  gap: 1px;
  height: 64px;
  padding: 2px 0;
  position: relative;
}
/* Fix 2026-10-06: le barre devono appoggiare sul fondo del loro riquadro.
   .ml-chart-cell e' un flex column e il grid estende tutte le celle alla
   stessa altezza, ma l'header ha altezza variabile (l'alias piu' lungo va a
   capo: K3-Leonardo 40px vs M3-Fulvio 27px). Senza questo le barre delle
   celle con header corto restavano 13px piu' in alto. margin-top:auto assorbe
   lo spazio libero sopra e porta barre+asse al fondo, rendendo la base
   identica in tutte le celle. */
.ml-chart-cell .ml-chart-bars { margin-top: auto; }
.ml-chart-bars::before, .ml-chart-bars::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  border-top: 1px dashed var(--border);
}
.ml-chart-bars::before { top: 33%; }
.ml-chart-bars::after { top: 66%; }
.ml-chart-bar {
  background: var(--accent-cyan);
  border-radius: 1px 1px 0 0;
  min-height: 1px;
}
.ml-chart-bar.peak { background: var(--accent); box-shadow: 0 0 4px var(--accent); }
.ml-chart-bar.warn { background: var(--warning); }
.ml-chart-bar.disabled { background: var(--disabled); opacity: 0.5; }
.ml-chart-bar.current-hour {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
  animation: ml-bar-pulse 1.5s ease-in-out infinite;
}
@keyframes ml-bar-pulse {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(1.08); }
}
.ml-chart-axis {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 1px;
  font-size: 0.5625rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--text-dim);
}
.ml-chart-axis span { text-align: center; }
.ml-chart-axis span.now { color: var(--success); font-weight: 600; }
/* Fix 2026-10-06: l'asse vive dentro .ml-chart-cell, quindi affianca le proprie
   barre. Stesso tracciato a 24 colonne di .ml-chart-bars (stesso gap 1px, stessa
   larghezza del content-box) → ogni etichetta cade sulla sua colonna.
   margin-top serve solo a staccare l'asse dalle barre. */
.ml-chart-cell .ml-chart-axis { margin-top: 0.125rem; }

/* === Donut + Live row === */
.ml-bottom-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 1100px) {
  .ml-bottom-row { grid-template-columns: 1fr; }
}
.ml-distrib-wrap { display: flex; align-items: center; gap: 1.5rem; }
.ml-donut { width: 180px; height: 180px; position: relative; flex-shrink: 0; }
.ml-donut svg { transform: rotate(-90deg); }
.ml-donut-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  pointer-events: none;
}
.ml-donut-center .ml-total {
  font-size: 1.375rem; font-weight: 700;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.ml-donut-center .ml-label {
  font-size: 0.5625rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-dim); margin-top: 2px;
}
.ml-donut-legend {
  flex: 1;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.ml-donut-legend-item {
  display: grid;
  grid-template-columns: 12px 1fr auto auto;
  align-items: center;
  gap: 0.625rem;
  padding: 0.375rem 0.5rem;
  border-radius: 4px;
  background: var(--bg-elevated);
  font-size: 0.6875rem;
}
.ml-donut-legend-item.off { opacity: 0.45; }
.ml-donut-legend-item .ml-dot {
  width: 8px; height: 8px; border-radius: 50%;
}
.ml-donut-legend-item .ml-name {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-weight: 500;
}
.ml-donut-legend-item .ml-pct {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-weight: 600;
  color: var(--accent-cyan);
  min-width: 42px;
  text-align: right;
}
.ml-donut-legend-item .ml-vs {
  font-size: 0.625rem;
  color: var(--text-dim);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.ml-donut-legend-item .ml-vs.over { color: var(--danger); }
.ml-donut-legend-item .ml-vs.under { color: var(--accent); }

/* === Live feed === */
.ml-live-panel { min-height: 260px; }
.ml-live-feed {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  min-height: 200px;
}
.ml-live-track {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem;
  position: relative;
  overflow: hidden;
  min-height: 180px;
}
.ml-live-track.off { opacity: 0.4; }
.ml-live-track-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.625rem;
  color: var(--text-secondary);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  margin-bottom: 0.25rem;
  position: relative;
  z-index: 2;
}
.ml-live-track-name { font-weight: 600; color: var(--text-primary); }
.ml-live-track-rate { color: var(--accent-cyan); font-weight: 600; }
.ml-live-track.off .ml-live-track-rate { color: var(--text-dim); }
.ml-live-canvas {
  position: relative;
  height: 140px;
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
}
.ml-live-track.off .ml-live-canvas::after {
  content: "OFF";
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--disabled);
}
.ml-packet {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  animation: ml-packet-flow var(--dur, 1.4s) linear infinite;
  animation-delay: var(--delay, 0s);
}
.ml-packet.in {
  background: var(--accent-purple);
  box-shadow: 0 0 8px var(--accent-purple);
  animation-name: ml-packet-flow-in;
  top: 60%;
}
.ml-packet.warn {
  background: var(--warning);
  box-shadow: 0 0 8px var(--warning);
}
@keyframes ml-packet-flow {
  0% { left: -8px; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: calc(100% + 8px); opacity: 0; }
}
@keyframes ml-packet-flow-in {
  0% { left: calc(100% + 8px); opacity: 0; }
  10% { opacity: 0.7; }
  90% { opacity: 0.7; }
  100% { left: -8px; opacity: 0; }
}
.ml-live-track.idle .ml-live-canvas::after {
  content: "0 req/h";
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.ml-live-track.idle .ml-packet { display: none; }

/* Responsive */
@media (max-width: 1100px) {
  .ml-chart-grid, .ml-live-feed { grid-template-columns: repeat(2, 1fr); }
  .ml-distrib-wrap { flex-direction: column; align-items: stretch; }
  .ml-donut { margin: 0 auto; }
}
@media (max-width: 700px) {
  .ml-chart-grid, .ml-live-feed { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .ml-packet, .ml-impulse { display: none; }
  .ml-synapse { opacity: 0.6; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 50ms !important;
  }
}