/* ============================================================
   IL CASO REPORT — Lavagna investigativa
   Stile: sobrio, tipografia del sito (Literata + Inter).
   Nessuna dipendenza oltre ai Google Fonts.
   ============================================================ */

:root {
  --sughero:      #6f5138;
  --sughero-scuro:#523a27;
  --carta:        #f7f3e9;
  --carta-ombra:  #e6dfd0;
  --inchiostro:   #1a1a1a;
  --inchiostro-2: #4a453d;
  --notte:        #16150f;
  --notte-2:      #232019;
  --chiaro:       #f2ede4;
  --filo:         #9e2020;

  --persona:   #c2542f;
  --evento:    #a8791f;
  --documento: #3f7f77;
  --domanda:   #6b5b95;

  --serif: "Literata", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --topbar-h: 62px;
  --toolbar-h: 56px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--notte);
  color: var(--inchiostro);
  font-family: var(--sans);
  -webkit-text-size-adjust: 100%;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--notte);
  color: var(--chiaro);
  padding: 12px 18px;
  font: 600 14px/1 var(--sans);
}
.skip-link:focus { left: 8px; top: 8px; }

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  flex: 0 0 auto;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  background: var(--notte);
  border-bottom: 1px solid #0000;
  color: var(--chiaro);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  flex: 0 0 auto;
}
.brand-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border: 1.5px solid var(--chiaro);
  border-radius: 50%;
  font: 700 12px/1 var(--sans);
  letter-spacing: .04em;
}
.brand-name { font: 600 14px/1 var(--sans); letter-spacing: .01em; }
.brand:hover .brand-name { text-decoration: underline; text-underline-offset: 3px; }

.case { flex: 1 1 auto; text-align: center; min-width: 0; }
.case small {
  display: block;
  font: 500 10px/1.4 var(--sans);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #a49a89;
}
.case h1 {
  margin: 1px 0 0;
  font: 700 19px/1.15 var(--serif);
  letter-spacing: .01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-ghost {
  flex: 0 0 auto;
  background: none;
  border: 1px solid #4a4438;
  color: var(--chiaro);
  border-radius: 999px;
  padding: 8px 16px;
  font: 500 13px/1 var(--sans);
  cursor: pointer;
  transition: background .16s, border-color .16s;
}
.btn-ghost:hover { background: #ffffff14; border-color: #6d6555; }

/* ============================================================
   TOOLBAR
   ============================================================ */
.toolbar {
  flex: 0 0 auto;
  min-height: var(--toolbar-h);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 20px;
  background: var(--notte-2);
  border-top: 1px solid #ffffff0f;
  border-bottom: 1px solid #00000040;
}

.search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #ffffff12;
  border: 1px solid #ffffff1a;
  border-radius: 999px;
  padding: 0 14px;
  height: 36px;
  flex: 0 1 300px;
  min-width: 0;
}
.search svg {
  width: 15px; height: 15px; flex: 0 0 auto;
  fill: none; stroke: #a49a89; stroke-width: 2; stroke-linecap: round;
}
.search input {
  background: none; border: 0; outline: none;
  color: var(--chiaro);
  font: 400 13px/1 var(--sans);
  width: 100%; min-width: 0;
}
.search input::placeholder { color: #8b8273; }
.search:focus-within { border-color: #7d7263; background: #ffffff1c; }

.filters { display: flex; gap: 6px; flex: 1 1 auto; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.filters::-webkit-scrollbar { display: none; }
.filters button {
  flex: 0 0 auto;
  background: none;
  border: 1px solid #ffffff1f;
  color: #bdb4a4;
  border-radius: 999px;
  padding: 7px 14px;
  font: 500 12.5px/1 var(--sans);
  cursor: pointer;
  transition: all .16s;
}
.filters button:hover { color: var(--chiaro); border-color: #6d6555; }
.filters button.active { background: var(--chiaro); border-color: var(--chiaro); color: var(--notte); font-weight: 600; }

.zoom {
  display: flex; align-items: center; gap: 4px; flex: 0 0 auto;
  background: #ffffff12; border: 1px solid #ffffff1a;
  border-radius: 999px; padding: 3px;
}
.zoom button {
  background: none; border: 0; color: var(--chiaro);
  width: 30px; height: 30px; border-radius: 50%;
  font: 600 16px/1 var(--sans); cursor: pointer;
  display: grid; place-items: center;
  transition: background .16s;
}
.zoom button:hover { background: #ffffff1f; }
.zoom #zoom-fit { width: auto; padding: 0 12px; font: 500 12px/1 var(--sans); border-radius: 999px; }
.zoom span {
  min-width: 46px; text-align: center;
  font: 500 12px/1 var(--sans); color: #bdb4a4;
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   VIEWPORT E LAVAGNA
   ============================================================ */
.viewport {
  flex: 1 1 auto;
  position: relative;
  overflow: hidden;
  cursor: grab;
  outline: none;
  touch-action: none;              /* il gesto lo gestiamo noi */
  overscroll-behavior: contain;
  -webkit-user-select: none;
  user-select: none;
  background-color: var(--sughero);
  background-image:
    radial-gradient(circle at 50% 50%, #00000024 1.1px, #0000 1.2px),
    radial-gradient(circle at 50% 50%, #ffffff10 1px, #0000 1.1px),
    radial-gradient(ellipse at 30% 20%, #ffffff12, #0000 55%),
    linear-gradient(160deg, #85623f 0%, var(--sughero) 45%, var(--sughero-scuro) 100%);
  background-size: 7px 7px, 11px 11px, 100% 100%, 100% 100%;
  background-position: 0 0, 3px 5px, 0 0, 0 0;
}
.viewport.trascina { cursor: grabbing; }
.viewport:focus-visible { box-shadow: inset 0 0 0 3px #ffffff5c; }

.board {
  position: absolute;
  top: 0; left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.threads {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  overflow: visible;
  pointer-events: none;
}
.threads line {
  stroke: var(--filo);
  stroke-width: 3.5;
  stroke-linecap: round;
  opacity: .92;
  filter: drop-shadow(0 2px 2px #00000055);
}
.threads text {
  fill: #f6efe3;
  font: 600 13px/1 "Inter", sans-serif;
  text-anchor: middle;
  dominant-baseline: middle;
  paint-order: stroke;
  stroke: #2a1d14;
  stroke-width: 6;
  stroke-linejoin: round;
  letter-spacing: .02em;
}

.cards { position: absolute; inset: 0; z-index: 2; }

/* Le etichette dei fili viaggiano su un piano sopra le schede. */
.threads.etichette { z-index: 20; }

/* ---------- scheda ---------- */
.card {
  position: absolute;
  width: 264px;
  padding: 18px 18px 14px;
  background: var(--carta);
  background-image: linear-gradient(175deg, #fffdf7 0%, var(--carta) 40%, var(--carta-ombra) 100%);
  border-radius: 2px;
  transform: rotate(var(--rot, 0deg));
  transform-origin: 50% 0;
  box-shadow:
    0 1px 1px #00000024,
    0 8px 18px #0000003d,
    0 18px 34px #00000026;
  cursor: pointer;
  transition: opacity .2s, box-shadow .2s, transform .2s;
  border-top: 3px solid var(--tipo, #999);
}
.card:hover {
  transform: rotate(var(--rot, 0deg)) translateY(-3px) scale(1.015);
  box-shadow: 0 2px 2px #00000024, 0 14px 26px #0000004d, 0 26px 46px #0000002e;
  z-index: 5;
}
.card.scelta {
  box-shadow: 0 0 0 3px var(--tipo), 0 14px 30px #00000059;
  z-index: 6;
}
.card.nascosta { opacity: 0; visibility: hidden; pointer-events: none; }

.card--persona   { --tipo: var(--persona); }
.card--evento    { --tipo: var(--evento); }
.card--documento { --tipo: var(--documento); }
.card--domanda   { --tipo: var(--domanda); }

.pin {
  position: absolute;
  top: -9px; left: 50%;
  width: 16px; height: 16px;
  margin-left: -8px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #fff9, #0000 46%), var(--tipo, #999);
  box-shadow: 0 2px 4px #00000066, inset 0 -1px 2px #00000038;
}

.card-foto {
  margin: 2px 0 12px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 5px solid #fff;
  box-shadow: 0 2px 6px #00000026;
}
.card-foto img { width: 100%; height: 100%; object-fit: cover; display: block; }

.card-kicker {
  display: block;
  font: 600 9.5px/1.4 var(--sans);
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--tipo, #777);
}
.card-titolo {
  margin: 6px 0 7px;
  font: 700 19px/1.22 var(--serif);
  color: var(--inchiostro);
  letter-spacing: -.005em;
}
.card-testo {
  margin: 0;
  font: 400 13.5px/1.5 var(--serif);
  color: var(--inchiostro-2);
}
.card-apri {
  margin-top: 12px;
  background: none;
  border: 0;
  padding: 0;
  font: 600 11px/1 var(--sans);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--tipo, #777);
  cursor: pointer;
}
.card-apri::after { content: " →"; }

/* ---------- suggerimento e vuoto ---------- */
.hint, .empty {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  padding: 9px 18px;
  border-radius: 999px;
  background: #14130fd9;
  color: #e8e1d4;
  font: 500 12.5px/1 var(--sans);
  white-space: nowrap;
  pointer-events: none;
  backdrop-filter: blur(4px);
}
.hint { bottom: 18px; transition: opacity .5s; }
.hint.via { opacity: 0; }
.empty { top: 22px; background: #9e2020e6; }

/* ============================================================
   PANNELLO DI DETTAGLIO
   ============================================================ */
.drawer-backdrop {
  position: fixed; inset: 0;
  background: #0f0d0a5c;
  z-index: 40;
  border: 0;
}

/* Finestra in cui può arrivare il click fantasma del tocco che ha aperto
   il pannello: finché dura, non deve colpire nulla. */
.drawer.protetto,
.drawer-backdrop.protetto {
  pointer-events: none;
}

.drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(420px, 100%);
  height: 100dvh;
  background: var(--carta);
  z-index: 50;
  transform: translateX(100%);
  transition: transform .24s ease;
  box-shadow: -12px 0 40px #0000004d;
  display: flex;
  flex-direction: column;
}
.drawer.aperto { transform: none; }

.drawer-close {
  position: absolute;
  top: 12px; right: 14px;
  width: 34px; height: 34px;
  border: 0; border-radius: 50%;
  background: #1a1a1a0f;
  color: var(--inchiostro);
  font: 400 22px/1 var(--sans);
  cursor: pointer;
  z-index: 2;
}
.drawer-close:hover { background: #1a1a1a1f; }

.drawer-scroll {
  overflow-y: auto;
  padding: 26px 28px 40px;
  -webkit-overflow-scrolling: touch;
}

.tag {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  font: 600 10px/1.5 var(--sans);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
}
.tag--persona   { background: var(--persona); }
.tag--evento    { background: var(--evento); }
.tag--documento { background: var(--documento); }
.tag--domanda   { background: var(--domanda); }

.drawer-foto {
  display: block;
  width: 100%;
  margin: 16px 0 6px;
  border: 6px solid #fff;
  box-shadow: 0 3px 12px #00000026;
}
.drawer-credit { display: block; font: 400 11px/1.4 var(--sans); color: #8a8478; }

.drawer-kicker {
  margin: 16px 0 0;
  font: 600 10.5px/1.5 var(--sans);
  letter-spacing: .13em;
  text-transform: uppercase;
  color: #8a8478;
}
.drawer h2 {
  margin: 5px 0 12px;
  font: 700 27px/1.16 var(--serif);
  letter-spacing: -.012em;
}
.drawer-testo {
  margin: 0;
  font: 400 15.5px/1.62 var(--serif);
  color: var(--inchiostro-2);
}

.drawer-sez {
  margin: 26px 0 10px;
  padding-top: 16px;
  border-top: 1px solid #00000014;
  font: 600 10.5px/1 var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #8a8478;
}

.drawer-link, .drawer-fonti, .legenda { list-style: none; margin: 0; padding: 0; }
.drawer-link li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font: 400 13.5px/1.5 var(--sans);
  color: var(--inchiostro-2);
  border-bottom: 1px solid #00000010;
}
.link-scheda {
  background: none; border: 0; padding: 0;
  font: 600 13.5px/1.5 var(--sans);
  color: var(--inchiostro);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.link-scheda:hover { color: var(--filo); }

.drawer-fonti li { padding: 7px 0; border-bottom: 1px solid #00000010; }
.drawer-fonti a {
  font: 500 13.5px/1.5 var(--sans);
  color: var(--inchiostro);
  text-underline-offset: 3px;
}
.drawer-fonti a:hover { color: var(--filo); }

.legenda li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 9px 0;
  font: 400 13.5px/1.5 var(--sans);
  color: var(--inchiostro-2);
}
.legenda b { flex: 0 0 auto; }

.drawer-nota {
  margin: 26px 0 0;
  padding: 14px 16px;
  background: #1a1a1a09;
  border-left: 3px solid #cfc7b7;
  font: 400 12.5px/1.55 var(--sans);
  color: #6d675c;
}

/* ============================================================
   ELENCO TESTUALE (solo per lettori di schermo e crawler)
   ============================================================ */
.sr-list {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   MOBILE
   ============================================================ */
@media (max-width: 860px) {
  :root { --topbar-h: 54px; }

  .topbar { gap: 12px; padding: 0 14px; }
  .brand-name { display: none; }
  .case { text-align: left; }
  .case h1 { font-size: 16px; }
  .case small { font-size: 9px; letter-spacing: .12em; }
  .btn-ghost { padding: 7px 12px; font-size: 12px; }

  .toolbar {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 14px;
  }
  .search { flex: 1 1 100%; order: 1; }
  .filters { order: 2; flex: 1 1 auto; }
  .zoom { order: 3; }
  .zoom #zoom-fit { padding: 0 10px; font-size: 11.5px; }

  .card { width: 244px; }

  .hint {
    font-size: 11.5px;
    padding: 9px 14px;
    bottom: 14px;
    white-space: normal;
    text-align: center;
    max-width: calc(100% - 28px);
    line-height: 1.4;
  }

  /* pannello come foglio dal basso */
  .drawer {
    top: auto; bottom: 0; right: 0;
    width: 100%;
    height: min(86dvh, 780px);
    border-radius: 16px 16px 0 0;
    transform: translateY(100%);
    box-shadow: 0 -12px 40px #0000004d;
  }
  .drawer.aperto { transform: none; }
  .drawer-scroll { padding: 26px 20px 44px; }
  .drawer h2 { font-size: 23px; }
  .drawer::before {
    content: "";
    position: absolute;
    top: 8px; left: 50%;
    width: 38px; height: 4px;
    margin-left: -19px;
    border-radius: 999px;
    background: #00000024;
  }
}

@media (max-width: 420px) {
  .case h1 { font-size: 15px; }
  .btn-ghost { font-size: 0; padding: 8px 10px; }
  .btn-ghost::before { content: "?"; font: 700 14px/1 var(--sans); }
}

/* ============================================================
   PREFERENZE UTENTE
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .card:hover { transform: rotate(var(--rot, 0deg)); }
}

@media print {
  .toolbar, .zoom, .hint, .drawer, .drawer-backdrop { display: none !important; }
  html, body { overflow: visible; height: auto; }
  .sr-list { position: static; width: auto; height: auto; clip: auto; clip-path: none; white-space: normal; }
}