/* Le sorti dei filosofi
   Layout: pagina di libro a stampa; tavola xilografica a sinistra, testo a destra;
   rubriche in rosso, codici Iconclass in monospazio. */

@font-face { font-family: "Fell"; src: url("fonts/im-fell-dw-pica-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Fell"; src: url("fonts/im-fell-dw-pica-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Alegreya"; src: url("fonts/alegreya-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Alegreya"; src: url("fonts/alegreya-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Alegreya"; src: url("fonts/alegreya-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Alegreya"; src: url("fonts/alegreya-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }

:root {
  --paper: #f5f4f0;
  --paper-2: #ebe9e2;
  --ink: #1f1d1a;
  --muted: #68635a;
  --rule: #d4d0c6;
  --rubric: #a32a20;
  --link: #2c5a55;
  --link-hover: #a32a20;
  --plate-bg: #e6e3da;

  --f-display: "Fell", "IM Fell DW Pica", Garamond, "Times New Roman", serif;
  --f-body: "Alegreya", Georgia, "Times New Roman", serif;
  --f-mono: "Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3rem;
  --step-2: 1.7rem;
  --step-3: clamp(2.2rem, 5vw, 3.4rem);
  --step-4: clamp(2.6rem, 8vw, 5rem);

  --gutter: clamp(16px, 4vw, 40px);
  --measure: 38rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #17191a; --paper-2: #202324; --ink: #e9e5dc; --muted: #a39d92; --rule: #383b3c;
    --rubric: #e0786b; --link: #86bdb4; --link-hover: #f0968a; --plate-bg: #d9d5ca;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #17191a; --paper-2: #202324; --ink: #e9e5dc; --muted: #a39d92; --rule: #383b3c;
  --rubric: #e0786b; --link: #86bdb4; --link-hover: #f0968a; --plate-bg: #d9d5ca;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.55;
  font-kerning: normal;
  font-variant-ligatures: common-ligatures;
}
img { max-width: 100%; height: auto; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--link-hover); }
:focus-visible { outline: 2px solid var(--rubric); outline-offset: 2px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 400; line-height: 1.1; text-wrap: balance; margin: 0; }
cite { font-style: italic; }

.wrap { max-width: 72rem; margin: 0 auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: var(--gutter); top: 0.5rem; background: var(--paper); padding: 0.4rem 0.8rem; z-index: 10; }

.label {
  font-family: var(--f-body);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rubric);
}
.muted { color: var(--muted); }

/* ------------------------------------------------ barra superiore */
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--rule);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.25rem; }
.brand { font-family: var(--f-display); font-size: 1.25rem; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand:hover { color: var(--rubric); }
.pager { display: flex; gap: 0.25rem; font-size: var(--step--1); }
.pager a {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.35rem 0.7rem; border: 1px solid var(--rule); border-radius: 999px;
  text-decoration: none; color: var(--ink); white-space: nowrap;
}
.pager a:hover { border-color: var(--rubric); color: var(--rubric); }

/* ------------------------------------------------ home */
.masthead { padding-block: clamp(2rem, 6vw, 4rem) 1.5rem; display: grid; gap: 2rem; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: end; }
.masthead h1 { font-size: var(--step-4); letter-spacing: -0.01em; }
.masthead h1 .initial { color: var(--rubric); }
.masthead .lede { font-size: var(--step-1); line-height: 1.45; max-width: 32rem; margin: 1rem 0 0; }
.download {
  display: inline-grid; grid-template-columns: minmax(0, 1fr); gap: 0.75rem; justify-items: start;
  margin-top: 1.5rem; padding: 0.7rem 1.1rem 0.9rem;
  border: 1px solid var(--rule); border-radius: 8px; text-decoration: none; color: var(--ink); max-width: 100%;
}
.download > span { display: grid; min-width: 0; }
.download .dl-title { font-family: var(--f-display); font-size: 1.3rem; line-height: 1.15; color: var(--rubric); }
.download .dl-meta { font-size: var(--step--1); color: var(--muted); }
.download:hover { border-color: var(--rubric); background: var(--paper-2); }
.banner { margin: 0 auto; max-width: 22rem; }
.banner a { display: block; padding: 6px; border: 1px solid var(--ink); outline: 1px solid var(--ink); outline-offset: 3px; background: var(--plate-bg); }
.banner img { display: block; width: 100%; mix-blend-mode: multiply; }
.banner figcaption { font-size: var(--step--1); color: var(--muted); margin-top: 0.8rem; }
.ornament { display: block; width: min(100%, 630px); margin: 0 auto 1.5rem; mix-blend-mode: multiply; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .ornament { filter: invert(1); mix-blend-mode: screen; } }
:root[data-theme="dark"] .ornament { filter: invert(1); mix-blend-mode: screen; }

.controls {
  position: sticky; top: calc(env(safe-area-inset-top, 0px)); z-index: 4;
  background: var(--paper);
  border-block: 1px solid var(--rule);
  padding-block: 0.75rem;
  margin-block: 1rem 0;
}
.controls .wrap { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: center; }
.search { flex: 1 1 18rem; position: relative; min-width: 0; }
.search input {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--paper-2); border: 1px solid var(--rule); border-radius: 999px;
  padding: 0.55rem 1rem 0.55rem 2.4rem;
}
.search input::placeholder { color: var(--muted); }
.search svg { position: absolute; left: 0.9rem; top: 50%; translate: 0 -50%; width: 1rem; height: 1rem; stroke: var(--muted); fill: none; }
.views { display: inline-flex; border: 1px solid var(--rule); border-radius: 999px; padding: 3px; gap: 2px; }
.views button {
  font: inherit; font-size: var(--step--1); color: var(--ink); background: none; border: 0;
  padding: 0.35rem 0.9rem; border-radius: 999px; cursor: pointer;
}
.views button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.school-jump { display: flex; flex-wrap: wrap; gap: 0.25rem 0.9rem; font-size: var(--step--1); width: 100%; }
.school-jump a { text-decoration: none; color: var(--muted); }
.school-jump a:hover { color: var(--rubric); }

.school { padding-block: 2.5rem 0.5rem; }
.school-head { display: flex; align-items: baseline; gap: 1rem; border-bottom: 1px solid var(--ink); padding-bottom: 0.4rem; margin-bottom: 1.25rem; }
.school-head h2 { font-size: var(--step-3); }
.school-head .count { font-size: var(--step--1); color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }

.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(12.5rem, 1fr)); gap: 1.75rem 1.25rem; }
.card a { display: grid; gap: 0.5rem; text-decoration: none; color: var(--ink); }
.thumb { aspect-ratio: 10 / 7; background: var(--plate-bg); border: 1px solid var(--rule); overflow: hidden; display: grid; place-items: center; }
.thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform .4s ease; mix-blend-mode: multiply; }
.card a:hover .thumb img { transform: scale(1.04); }
.card a:hover .name { color: var(--rubric); }
.name { font-family: var(--f-display); font-size: 1.35rem; line-height: 1.1; }
.name::first-letter { color: var(--rubric); }

.az { columns: 13rem auto; column-gap: 2rem; padding-block: 2rem; }
.az section { break-inside: avoid; margin-bottom: 1.25rem; }
.az h2 { font-size: var(--step-2); color: var(--rubric); border-bottom: 1px solid var(--rule); margin-bottom: 0.3rem; }
.az ul { list-style: none; margin: 0; padding: 0; }
.az li { display: flex; justify-content: space-between; gap: 0.5rem; padding-block: 0.15rem; }
.az a { font-family: var(--f-display); font-size: 1.2rem; text-decoration: none; }
.az .sc { font-size: var(--step--1); color: var(--muted); }

.results { padding-block: 1.5rem 2rem; }
.results > p { color: var(--muted); margin: 0 0 1rem; }
.results ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.25rem; }
.results li a { display: grid; grid-template-columns: 4.5rem minmax(0, 1fr); gap: 0.9rem; align-items: center; padding: 0.5rem; text-decoration: none; color: var(--ink); border-radius: 6px; }
.results li a:hover { background: var(--paper-2); }
.results .thumb { aspect-ratio: 10 / 7; }
.results .hit { font-size: var(--step--1); color: var(--muted); }
.results mark { background: none; color: var(--rubric); font-weight: 700; }

.colophon { margin-top: 3rem; border-top: 1px solid var(--ink); padding-top: 2rem; }
.note { margin-top: 0; padding-block: 2rem 3rem; display: grid; grid-template-columns: minmax(0, 14rem) minmax(0, var(--measure)); gap: 1rem 2.5rem; }
.note h2 { font-size: var(--step-2); }
.note p { margin: 0 0 0.9rem; }

/* ------------------------------------------------ scheda */
.sheet { display: grid; grid-template-columns: minmax(0, 34rem) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); padding-block: 2rem 3rem; align-items: start; }
.plate { margin: 0; position: sticky; top: 4.5rem; }
.plate a { display: block; padding: 6px; border: 1px solid var(--ink); outline: 1px solid var(--ink); outline-offset: 3px; background: var(--plate-bg); }
.plate img { display: block; width: 100%; mix-blend-mode: multiply; }
.plate figcaption { font-size: var(--step--1); color: var(--muted); margin-top: 0.9rem; }

.sheet h1 { font-size: var(--step-4); margin: 0.2rem 0 0.4rem; }
.sheet h1::first-letter { color: var(--rubric); }
.school-link { text-decoration: none; }
.sheet section { margin-top: 2.25rem; }
.sheet h2 { font-family: var(--f-body); font-size: var(--step--1); font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--rubric); border-bottom: 1px solid var(--rule); padding-bottom: 0.35rem; margin-bottom: 1rem; }

.source { margin: 0 0 1.5rem; max-width: var(--measure); }
.source blockquote { margin: 0; font-size: var(--step-1); line-height: 1.5; }
.source blockquote p { margin: 0; }
.source figcaption { margin-top: 0.4rem; font-size: var(--step--1); color: var(--muted); }
.source figcaption cite { color: var(--ink); }
.source .ref { font-variant-numeric: tabular-nums; white-space: nowrap; }

.codes { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 0.35rem 1.25rem; }
.codes dt { font-family: var(--f-mono); font-size: 0.85rem; color: var(--muted); padding-top: 0.2em; white-space: nowrap; }
.codes dd { margin: 0; }

.corr { border-top: 1px solid var(--rule); }
.corr details { border-bottom: 1px solid var(--rule); }
.corr summary {
  list-style: none; cursor: pointer; padding: 0.7rem 0;
  display: grid; grid-template-columns: minmax(0, 1fr) 7.5rem; gap: 0.3rem 1rem; align-items: center;
}
.corr summary::-webkit-details-marker { display: none; }
.corr .what { display: flex; gap: 0.75rem; align-items: baseline; min-width: 0; }
.corr .what::before { content: "+"; font-family: var(--f-mono); color: var(--rubric); width: 0.8rem; flex: none; }
.corr details[open] .what::before { content: "−"; }
.corr code { font-family: var(--f-mono); font-size: 0.85rem; color: var(--muted); white-space: nowrap; }
.meter { display: grid; gap: 0.2rem; font-size: 0.8rem; color: var(--muted); font-variant-numeric: tabular-nums; text-align: right; }
.meter .bar { height: 4px; background: var(--rule); border-radius: 2px; overflow: hidden; }
.meter .bar span { display: block; height: 100%; background: var(--rubric); }
.corr .groups { margin: 0 0 1rem 1.55rem; display: grid; gap: 0.5rem; }
.corr .group { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 0.75rem; }
.corr .group .label { font-size: 0.75rem; padding-top: 0.25rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.35rem; list-style: none; margin: 0; padding: 0; }
.chips a { display: inline-block; padding: 0.1rem 0.6rem; border: 1px solid var(--rule); border-radius: 999px; font-size: 0.95rem; text-decoration: none; }
.chips a:hover { border-color: var(--link-hover); }
.chips a[aria-current] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.footer-nav { border-top: 1px solid var(--ink); display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding-block: 1.5rem 3rem; }
.footer-nav a { text-decoration: none; display: grid; gap: 0.1rem; color: var(--ink); }
.footer-nav a:last-child { text-align: right; }
.footer-nav a .name { font-size: var(--step-2); }
.footer-nav a:hover .name { color: var(--rubric); }

@media (max-width: 860px) {
  .masthead { grid-template-columns: minmax(0, 1fr); }
  .sheet { grid-template-columns: minmax(0, 1fr); }
  .plate { position: static; max-width: 34rem; }
  .note { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 520px) {
  .controls { position: static; }
  .views { margin-left: auto; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 1rem; }
  .pager .t { display: none; }
  .corr summary { grid-template-columns: minmax(0, 1fr); }
  .meter { text-align: left; grid-template-columns: 5rem minmax(0, 1fr); align-items: center; gap: 0.6rem; }
  .meter .bar { order: 2; }
  .corr .groups { margin-left: 0; }
  .corr .group { grid-template-columns: minmax(0, 1fr); gap: 0.3rem; }
  .codes { grid-template-columns: minmax(0, 1fr); gap: 0 0; }
  .codes dd { margin-bottom: 0.5rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }