/* =====================================================================
   SCHEMA KIT FRONTIERA v1
   Telaio comune per schemi autonomi. Nessuna geometria o regia imposta.
   ===================================================================== */

.schema-kit {
  --schema-accent: var(--accent);
  --schema-accent-strong: var(--accent-2);
  --schema-border: var(--hairline);
  --schema-border-soft: var(--hairline-2);
  --schema-control-border: rgba(21, 60, 120, .7);
  --schema-signal: var(--accent-hi);
  --schema-surface: rgba(246, 249, 247, .92);
  --schema-panel: rgba(255, 255, 255, .68);
  --schema-control-width: 12.5rem;
  position: relative;
  width: min(100%, 64rem);
  margin: 2rem auto;
  overflow: hidden;
  border: 1px solid var(--schema-border);
  border-radius: var(--r-lg);
  background: var(--schema-surface);
  box-shadow: 0 18px 42px rgba(5, 22, 32, .10);
  color: var(--text);
  isolation: isolate;
}

.schema-kit__header {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.15rem 1.25rem 1rem;
  border-bottom: 1px solid var(--schema-border);
}

.schema-kit__heading {
  position: relative;
  z-index: 1;
  max-width: 38rem;
  padding-right: clamp(4.5rem, 15vw, 8rem);
}

.schema-kit .schema-kit__eyebrow {
  margin: 0 0 .35rem;
  font: 600 .58rem/1.35 'IBM Plex Mono', monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--schema-accent);
}

.schema-kit .schema-kit__header h3 {
  margin: 0;
  font: 700 clamp(1.12rem, 3.2vw, 1.48rem)/1.12 'Archivo', sans-serif;
  letter-spacing: -.018em;
  color: var(--ink);
}

.schema-kit .schema-kit__subtitle {
  margin: .35rem 0 0;
  font: .88rem/1.4 'IBM Plex Mono', monospace;
  color: var(--muted);
}

.schema-kit__watermark {
  position: absolute;
  right: 1rem;
  top: 1rem;
  width: clamp(100px, 18%, 142px);
  opacity: .28;
}

.schema-kit__body {
  min-width: 0;
}

.schema-kit__stage {
  min-width: 0;
  padding: .7rem .7rem 0;
}

.schema-kit__stage > svg,
.schema-kit__stage > canvas,
.schema-kit__stage > img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.schema-kit__stage svg path,
.schema-kit__stage svg rect,
.schema-kit__stage svg polygon,
.schema-kit__stage svg circle,
.schema-kit__stage svg line {
  vector-effect: non-scaling-stroke;
}

.schema-kit__console {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--schema-control-width);
  gap: .6rem;
  padding: .6rem .7rem .7rem;
}

.schema-kit__console[hidden],
.schema-kit [hidden] {
  display: none !important;
}

.schema-kit__reading {
  min-width: 0;
  min-height: 8.8rem;
  padding: .7rem .8rem;
  border: 1px solid var(--schema-border);
  border-radius: var(--r-md);
  background: var(--schema-panel);
}

.schema-kit__reading-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .42rem;
  font: 600 .58rem/1.3 'IBM Plex Mono', monospace;
  letter-spacing: .12em;
  color: var(--schema-accent);
}

.schema-kit .schema-kit__reading p {
  margin: .28rem 0 0;
  font: .79rem/1.48 'IBM Plex Mono', monospace;
  color: var(--text);
}

.schema-kit__controls {
  display: grid;
  align-content: stretch;
  gap: .4rem;
  min-width: 0;
}

.schema-kit__button {
  min-height: 44px;
  border: 1px solid var(--schema-control-border);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, .82);
  color: var(--schema-accent-strong);
  font: 600 .65rem/1 'IBM Plex Mono', monospace;
  letter-spacing: .035em;
  cursor: pointer;
  transition: background var(--t1), color var(--t1), border-color var(--t1), opacity var(--t1);
}

@media (hover: hover) and (pointer: fine) {
  .schema-kit__button:hover {
    border-color: var(--schema-accent);
    background: #fff;
  }
}

.schema-kit__button[aria-selected="true"],
.schema-kit__button[aria-pressed="true"] {
  border-color: var(--schema-accent-strong);
  background: var(--schema-accent-strong);
  color: #fff;
}

.schema-kit__button:disabled {
  cursor: not-allowed;
  opacity: .38;
}

.schema-kit__button:focus-visible {
  outline: 3px solid var(--accent-hi);
  outline-offset: 2px;
}

.schema-kit__caption {
  padding: .2rem .85rem .9rem;
  font: .58rem/1.52 'IBM Plex Mono', monospace;
  color: var(--muted);
}

.schema-kit__caption p {
  margin: 0;
}

.schema-kit__caption p + p {
  margin-top: .45rem;
}

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

.schema-kit [data-schema-signal] {
  pointer-events: none;
}

.schema-kit__signal {
  fill: none;
  stroke: var(--schema-signal);
  stroke-width: 3.2;
  stroke-linecap: round;
  filter: drop-shadow(0 0 2px rgba(43, 157, 204, .72));
  vector-effect: non-scaling-stroke;
}

@media (max-width: 520px) {
  .schema-kit {
    margin: 1.5rem auto;
    border-radius: var(--r-md);
  }

  .schema-kit__header {
    padding: 1rem .85rem .85rem;
  }

  .schema-kit__heading {
    padding-right: 4.25rem;
  }

  .schema-kit__watermark {
    right: .7rem;
    top: .85rem;
    width: 88px;
  }

  .schema-kit__stage {
    padding: .55rem .45rem 0;
  }

  .schema-kit__console {
    grid-template-columns: minmax(0, 1fr);
    padding: .5rem .45rem .6rem;
  }

  .schema-kit__reading {
    min-height: 0;
  }
}

@media (forced-colors: active) {
  .schema-kit,
  .schema-kit__reading,
  .schema-kit__button {
    border-color: CanvasText;
  }

  .schema-kit__button[aria-selected="true"],
  .schema-kit__button[aria-pressed="true"] {
    forced-color-adjust: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .schema-kit *,
  .schema-kit *::before,
  .schema-kit *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}