/* ============================================================
   CASSANDRIA — BRAND TOKENS v1 (F1 · 2026-07-11)
   Identità propria: "atlante notturno" — carta, inchiostro, oro antico.
   NON è la divisa Hendeka, NON è la Sfera viola-cristallo.
   Fonti tipografiche: Fraunces (titoli, serif editoriale) + Inter (UI/dati).
   Numeri sempre tabulari: usa .num o data-num (font-feature-settings).
   Bande di rischio: inchiostri desaturati da atlante stampato, mai neon.
   ============================================================ */

:root {
  /* --- Palette core --- */
  --c-ink:        #0A0F1E;  /* deep-space: fondo notte dell'atlante */
  --c-ink-2:      #0E1526;  /* superficie rialzata 1 */
  --c-ink-3:      #131B30;  /* superficie rialzata 2 / card */
  --c-paper:      #F7F5F0;  /* carta: testo primario su notte, fondo in stampa */
  --c-paper-dim:  #C9C6BD;  /* carta ombreggiata: testo secondario */
  --c-paper-faint:#8E8D88;  /* annotazioni, didascalie */
  --c-gold:       #C9A227;  /* oro antico: accento, incisioni, CTA */
  --c-gold-soft:  #A88A2E;  /* oro brunito: hover/inciso */
  --c-gold-wash:  rgba(201, 162, 39, 0.12);

  /* --- Linee e velature --- */
  --line:        rgba(247, 245, 240, 0.14);
  --line-faint:  rgba(247, 245, 240, 0.07);
  --wash:        rgba(247, 245, 240, 0.04);

  /* --- Bande di rischio · inchiostri d'atlante (desaturati, stampati) --- */
  --band-green:   #5E7B62;  /* salvia incisa   — quiete */
  --band-yellow:  #C0A85B;  /* ocra di stampa  — attenzione */
  --band-orange:  #B4703D;  /* terracotta      — pre-crisi */
  --band-red:     #A03D33;  /* carminio spento — crisi */
  --band-unknown: #4E5871;  /* ardesia         — non encodato / n.d. */

  /* velature per sfondi di riga/chip */
  --band-green-wash:   rgba(94, 123, 98, 0.16);
  --band-yellow-wash:  rgba(192, 168, 91, 0.14);
  --band-orange-wash:  rgba(180, 112, 61, 0.16);
  --band-red-wash:     rgba(160, 61, 51, 0.18);
  --band-unknown-wash: rgba(78, 88, 113, 0.20);

  /* --- Confidence (scala epistemica, dal pieno al tratteggiato) --- */
  --conf-high: #8FA98F;    /* confermato   */
  --conf-mid:  #B9A778;    /* con fonte    */
  --conf-low:  #9A8B95;    /* inferito     */
  --conf-none: #5A6070;    /* sconosciuto  */

  /* --- Tipografia --- */
  --font-serif: "Fraunces", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;
  --tnum: "tnum" 1, "lnum" 1;      /* numeri tabulari, sempre, dove ci sono dati */

  /* --- Ritmo --- */
  --radius: 10px;
  --radius-lg: 16px;
  --gap: clamp(16px, 2.5vw, 28px);
  --measure: 68ch;
  --shadow-card: 0 1px 0 rgba(247,245,240,.05) inset, 0 10px 30px rgba(3, 6, 14, 0.45);

  /* --- Transizioni --- */
  --ease: 180ms cubic-bezier(.4, 0, .2, 1);
}

/* ============ Fondazioni ============ */
.brand-root {
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Titoli: serif editoriale, opsz alto, tracking stretto */
.t-display, .t-h1, .t-h2, .t-h3 {
  font-family: var(--font-serif);
  font-optical-sizing: auto;
  font-weight: 560;
  letter-spacing: -0.015em;
  line-height: 1.08;
  color: var(--c-paper);
  margin: 0;
}
.t-display { font-size: clamp(2.6rem, 6.5vw, 4.6rem); font-weight: 600; }
.t-h1 { font-size: clamp(2rem, 4.2vw, 3rem); }
.t-h2 { font-size: clamp(1.45rem, 2.6vw, 1.9rem); }
.t-h3 { font-size: 1.2rem; }

/* Maiuscoletto d'archivio: kicker, wordmark, etichette di sezione */
.t-caps {
  font-family: var(--font-serif);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.14em;
  font-weight: 500;
}
.t-kicker {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-gold);
}

/* Dati e numeri: Inter tabulare */
.num, [data-num], .brand-root table td, .brand-root table th {
  font-feature-settings: var(--tnum);
  font-variant-numeric: tabular-nums lining-nums;
}

/* ============ Bande: classi utili ============ */
.band-green   { --band: var(--band-green);   --band-wash: var(--band-green-wash); }
.band-yellow  { --band: var(--band-yellow);  --band-wash: var(--band-yellow-wash); }
.band-orange  { --band: var(--band-orange);  --band-wash: var(--band-orange-wash); }
.band-red     { --band: var(--band-red);     --band-wash: var(--band-red-wash); }
.band-unknown { --band: var(--band-unknown); --band-wash: var(--band-unknown-wash); }

.band-chip {
  display: inline-flex; align-items: center; gap: .45em;
  padding: .18em .65em .2em;
  border: 1px solid var(--band, var(--band-unknown));
  border-radius: 999px;
  background: var(--band-wash, var(--band-unknown-wash));
  color: var(--c-paper);
  font-size: .78rem; font-weight: 600;
  font-feature-settings: var(--tnum);
}
.band-chip::before {
  content: ""; width: .55em; height: .55em; border-radius: 50%;
  background: var(--band, var(--band-unknown));
}

/* ============ Bottoni ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--font-sans); font-weight: 600; font-size: .95rem;
  padding: .72em 1.35em; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--c-paper);
  cursor: pointer; text-decoration: none;
  transition: border-color var(--ease), background var(--ease), color var(--ease), transform var(--ease);
}
.btn:hover { border-color: var(--c-gold); color: var(--c-gold); }
.btn-gold {
  background: var(--c-gold); border-color: var(--c-gold); color: var(--c-ink);
}
.btn-gold:hover { background: var(--c-gold-soft); border-color: var(--c-gold-soft); color: var(--c-ink); transform: translateY(-1px); }
.btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }

/* Focus visibile, oro */
.brand-root :focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============ Card ============ */
.card {
  background: linear-gradient(180deg, var(--c-ink-3), var(--c-ink-2));
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* ============ Wordmark ============ */
.wordmark {
  font-family: var(--font-serif);
  font-variant-caps: all-small-caps;
  font-weight: 560;
  letter-spacing: 0.16em;
  color: var(--c-paper);
}
.wordmark .wm-accent { color: var(--c-gold); }

/* ============ Stampa: l'atlante torna carta ============ */
@media print {
  :root {
    --c-ink: #FFFFFF; --c-ink-2: #FFFFFF; --c-ink-3: #FFFFFF;
    --c-paper: #14161C; --c-paper-dim: #3A3D45; --c-paper-faint: #5E626B;
    --line: rgba(20, 22, 28, 0.25); --line-faint: rgba(20, 22, 28, 0.12);
    --wash: rgba(20, 22, 28, 0.03);
    --shadow-card: none;
  }
  .brand-root { background: #fff !important; color: var(--c-paper); }
  .no-print { display: none !important; }
}