/* Parla Català — full d'estils */

@font-face { font-family: "Literata"; src: url(../fonts/literata-latin-wght-normal.woff2) format("woff2"); font-weight: 200 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Literata"; src: url(../fonts/literata-latin-wght-italic.woff2) format("woff2"); font-weight: 200 900; font-style: italic; font-display: swap; }
@font-face { font-family: "Bricolage"; src: url(../fonts/bricolage-grotesque-latin-standard-normal.woff2) format("woff2"); font-weight: 200 800; font-stretch: 75% 100%; font-display: swap; }

:root {
  /* Paleta base */
  --pedra: #EDEBE4;        /* fondo beige del sitio */
  --pedra-2: #E3E0D6;      /* superficies hundidas */
  --panel: #F7F5EE;        /* panel claro del sitio */
  --basalto: #333333;      /* texto */
  --basalto-2: #634F4F;    /* texto secundario (marrón del sitio) */
  --gris: #7F7F8C;         /* gris del logotipo */
  --linea: #D3CCBE;        /* bordes, derivado de #AFA390 */
  --linea-2: #AFA390;
  --marca: #F8582A;        /* naranja del logotipo */
  --azulejo: #B23A12;      /* enlaces y palabras con audio: naranja oscuro legible */
  --azulejo-2: #FBE3D8;
  --boton: #E04A1C;        /* fondo de botones */
  --br: #0B7A47;           /* Brasil */
  --br-bg: #E1EFE4;
  --pt: #9E1B32;           /* Portugal (granate, distinto del naranja) */
  --pt-bg: #F5E1E3;
  --cen: #2457A6;          /* català central */
  --val: #0B7A47;          /* valencià */
  --bal: #7A3E9D;          /* balear */
  --mix: #634F4F;          /* diverses variants */
  --sol: #E9A824;          /* progreso, foco */
  --ok: #0B7A47;
  --ko: #9E1B32;
  --card: #FFFFFF;
  --wave-bg: #EDEBE4;

  --f-head: "Bricolage", ui-sans-serif, system-ui, sans-serif;
  --f-body: "Literata", Georgia, "Times New Roman", serif;
  --measure: 68ch;
  --r: 8px;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --pedra: #1C1A17; --pedra-2: #26231F; --panel: #23201C; --basalto: #ECE8DF; --basalto-2: #C2B5A8; --gris: #A3A3AF;
    --linea: #3A352E; --linea-2: #5A5246; --marca: #FF7A52; --azulejo: #FF9470; --azulejo-2: #3A2318; --boton: #FF7A52;
    --br: #5CCB93; --br-bg: #142A1E; --pt: #F08A9A; --pt-bg: #3A1A20;
    --cen: #8DB1F2; --val: #5CCB93; --bal: #C9A3E6; --mix: #C2B5A8;
    --sol: #E9A824; --ok: #5CCB93; --ko: #F08A9A; --card: #24211D; --wave-bg: #1C1A17;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 90px; }
body { margin: 0; background: var(--pedra); color: var(--basalto); font: 400 1.0625rem/1.7 var(--f-body); }
img, svg { max-width: 100%; }
a { color: var(--azulejo); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--sol); outline-offset: 2px; border-radius: 3px; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 14px; z-index: 50; }
.skip:focus { left: 8px; }
h1, h2, h3, h4 { font-family: var(--f-head); line-height: 1.15; letter-spacing: -0.015em; font-weight: 700; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.2vw, 3rem); font-weight: 750; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.45rem, 2.4vw, 1.8rem); }
h3 { font-size: 1.2rem; }

/* ---------- calçada portuguesa ---------- */
.calcada {
  background-color: var(--wave-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64' viewBox='0 0 64 64'%3E%3Cg fill='%23634F4F'%3E%3Ccircle cx='32' cy='22' r='8'/%3E%3Ccircle cx='32' cy='42' r='8'/%3E%3Ccircle cx='22' cy='32' r='8'/%3E%3Ccircle cx='42' cy='32' r='8'/%3E%3Ccircle cx='0' cy='0' r='11'/%3E%3Ccircle cx='64' cy='0' r='11'/%3E%3Ccircle cx='0' cy='64' r='11'/%3E%3Ccircle cx='64' cy='64' r='11'/%3E%3C/g%3E%3Ccircle cx='32' cy='32' r='3.5' fill='%23EDEBE4'/%3E%3Cpath d='M0 0H64V64H0Z' fill='none' stroke='%23634F4F' stroke-width='2' opacity='.3'/%3E%3C/svg%3E");
  background-size: 64px 64px; background-position: center;
}
@media (prefers-color-scheme: dark) {
  .calcada { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64' viewBox='0 0 64 64'%3E%3Cg fill='%23C2B5A8'%3E%3Ccircle cx='32' cy='22' r='8'/%3E%3Ccircle cx='32' cy='42' r='8'/%3E%3Ccircle cx='22' cy='32' r='8'/%3E%3Ccircle cx='42' cy='32' r='8'/%3E%3Ccircle cx='0' cy='0' r='11'/%3E%3Ccircle cx='64' cy='0' r='11'/%3E%3Ccircle cx='0' cy='64' r='11'/%3E%3Ccircle cx='64' cy='64' r='11'/%3E%3C/g%3E%3Ccircle cx='32' cy='32' r='3.5' fill='%231C1A17'/%3E%3Cpath d='M0 0H64V64H0Z' fill='none' stroke='%23C2B5A8' stroke-width='2' opacity='.3'/%3E%3C/svg%3E"); }
}
.calcada-thin { height: 12px; background-size: 24px 24px; }
.calcada-wide { height: clamp(96px, 13vw, 160px); }
@media (prefers-reduced-motion: no-preference) {
  .calcada-wide { animation: mar 60s linear infinite; }
  @keyframes mar { to { background-position: -1280px 0; } }
}

/* ---------- cabecera ---------- */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--panel) 94%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--linea); }
.hd-inner { max-width: 1320px; margin: 0 auto; padding: 10px var(--gutter); display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--basalto); }
.brand-mark { width: 32px; height: 32px; flex: none; }
.brand-name { font: 750 1.25rem/1 var(--f-head); letter-spacing: -0.02em; color: var(--gris); }
.brand-name b { color: var(--marca); font-weight: 750; }
.brand-sub { display: block; font: 500 .72rem/1.2 var(--f-head); color: var(--gris); letter-spacing: 0; margin-top: 3px; }
.main-nav { flex: 1; min-width: 0; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 2px; flex-wrap: wrap; }
.main-nav a { display: block; padding: 6px 9px; border-radius: var(--r); text-decoration: none; color: var(--basalto); font: 500 .95rem/1.2 var(--f-head); }
.main-nav a:hover { background: var(--pedra-2); }
.main-nav a[aria-current] { color: var(--azulejo); box-shadow: inset 0 -2px 0 var(--azulejo); border-radius: 0; }
.nav-toggle { display: none; }
.hd-tools { display: flex; align-items: center; gap: 10px; }

.search { position: relative; }
.search input { width: 150px; font: 400 .95rem var(--f-head); padding: 7px 10px; border: 1px solid var(--linea); border-radius: var(--r); background: var(--card); color: var(--basalto); }
.search input:focus { width: 220px; }
.search-results { position: absolute; right: 0; top: calc(100% + 6px); width: min(420px, 90vw); max-height: 70vh; overflow: auto; margin: 0; padding: 6px; list-style: none; background: var(--card); border: 1px solid var(--linea); border-radius: var(--r); box-shadow: 0 12px 30px rgba(0,0,0,.14); }
.search-results a { display: block; padding: 8px 10px; border-radius: 4px; text-decoration: none; color: var(--basalto); line-height: 1.35; }
.search-results a small { display: block; color: var(--basalto-2); font-family: var(--f-head); font-size: .8rem; }
.search-results a:hover, .search-results [aria-selected="true"] a { background: var(--azulejo-2); }
.search-results .empty { padding: 10px; color: var(--basalto-2); font-size: .95rem; }

.variant { display: inline-flex; border: 1px solid var(--linea); border-radius: 999px; padding: 3px; background: var(--card); }
.variant button, .demo-switch button { font: 600 .85rem/1 var(--f-head); border: 0; background: none; color: var(--basalto-2); padding: 7px 11px; border-radius: 999px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.variant button[aria-checked="true"] { background: var(--basalto); color: var(--panel); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-cen { background: var(--cen); } .dot-val { background: var(--val); } .dot-bal { background: var(--bal); }

@media (max-width: 1280px) {
  .hd-inner { gap: 10px; }
  .main-nav { order: 3; flex-basis: 100%; }
  .nav-toggle { display: inline-flex; font: 600 .95rem var(--f-head); background: none; border: 1px solid var(--linea); color: var(--basalto); padding: 6px 12px; border-radius: var(--r); cursor: pointer; }
  .main-nav ul { display: none; flex-direction: column; padding-top: 6px; }
  .main-nav.open ul { display: flex; }
  .hd-tools { margin-left: auto; }
  .search input, .search input:focus { width: 150px; }
}
@media (max-width: 640px) {
  .hd-inner { position: relative; }
  .brand-name { font-size: 1.05rem; }
  .hd-tools { order: 2; flex-basis: 100%; justify-content: space-between; margin: 0; }
  .search { flex: 1; }
  .search input, .search input:focus { width: 100%; }
  .nav-toggle { position: absolute; right: var(--gutter); top: 10px; }
  .main-nav { order: 4; }
  .variant button { padding: 7px 9px; }
}

/* ---------- variants ---------- */
html[data-variant="cen"] .v:not(.v-cen), html[data-variant="val"] .v:not(.v-val), html[data-variant="bal"] .v:not(.v-bal) { display: none !important; }
html[data-variant="cen"] .vbox:not(.vbox-cen), html[data-variant="val"] .vbox:not(.vbox-val), html[data-variant="bal"] .vbox:not(.vbox-bal) { display: none; }
.dual { display: inline; }
html[data-variant="totes"] .dual { display: inline-flex; flex-wrap: wrap; gap: 2px 10px; }
html[data-variant="totes"] .v[data-l]::before {
  content: attr(data-l); font: 700 .6rem/1 var(--f-head); letter-spacing: .02em; padding: 3px 4px 2px; border-radius: 3px; margin-right: 5px; vertical-align: .18em; color: #fff; background: var(--mix);
}
html[data-variant="totes"] .v[data-c="cen"]::before { background: var(--cen); }
html[data-variant="totes"] .v[data-c="val"]::before { background: var(--val); }
html[data-variant="totes"] .v[data-c="bal"]::before { background: var(--bal); }
@media (prefers-color-scheme: dark) { html[data-variant="totes"] .v[data-l]::before { color: #111; } }
.only + .only { margin-left: .3em; }

/* palabra pronunciable */
.w { color: var(--azulejo); font-weight: 560; cursor: pointer; border-radius: 3px; }
.w:hover { background: var(--azulejo-2); }
.w.speaking { background: var(--sol); color: #333; }
.w-sample { color: var(--azulejo); font-weight: 560; }

/* ---------- portada ---------- */
.hero { max-width: 1320px; margin: 0 auto; padding: clamp(36px, 7vw, 88px) var(--gutter) clamp(32px, 5vw, 56px); display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 5.4vw, 4.1rem); line-height: 1.02; letter-spacing: -0.028em; font-stretch: 94%; max-width: 15ch; }
.hero-lead { font-size: 1.15rem; max-width: 52ch; color: var(--basalto-2); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.hero-demo { margin: 0; background: var(--panel); border: 1px solid var(--linea); border-radius: 10px; padding: 26px 26px 20px; }
.demo-es { margin: 0 0 12px; color: var(--basalto-2); font-style: italic; }
.demo-pt { margin: 0 0 16px; font-size: 1.45rem; line-height: 1.4; }
.demo-pt .w { font-weight: 600; }
html[data-variant="totes"] .demo-pt .only { display: block; }
html[data-variant="totes"] .demo-pt .only + .only { margin: 14px 0 0; }
.hero-demo figcaption { font: 400 .88rem/1.4 var(--f-head); color: var(--basalto-2); }
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .hero h1 { max-width: 18ch; }
}

.map { max-width: 1320px; margin: 0 auto; padding: clamp(40px, 6vw, 72px) var(--gutter) 24px; }
.map-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.map-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 0; }
.overall { margin: 0; font-family: var(--f-head); color: var(--basalto-2); }
.map-sec { display: grid; grid-template-columns: minmax(220px, 300px) 1fr; gap: 12px 48px; padding: 28px; margin-bottom: 16px; background: var(--panel); border-radius: 12px; }
.map-sec-head h3 { font-size: 1.45rem; margin-bottom: .3em; }
.map-sec-head h3 a { color: var(--basalto); text-decoration: none; }
.map-sec-head h3 a:hover { color: var(--azulejo); }
.map-sec-head p { margin: 0 0 .6em; color: var(--basalto-2); font-size: .98rem; line-height: 1.55; }
.map .lesson-list { columns: 2 260px; column-gap: 40px; }
@media (max-width: 760px) { .map-sec { grid-template-columns: 1fr; } }

.lesson-list { list-style: none; counter-reset: ll; margin: 0; padding: 0; }
.lesson-list li { counter-increment: ll; break-inside: avoid; display: flex; align-items: baseline; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--linea); }
.lesson-list li::before { content: counter(ll); font: 600 .8rem/1 var(--f-head); color: var(--basalto-2); min-width: 1.6em; font-variant-numeric: tabular-nums; }
.lesson-list li.done::before { content: "✓"; color: var(--br); font-weight: 800; }
.lesson-list a { flex: 1; text-decoration: none; color: var(--basalto); font-family: var(--f-head); font-weight: 500; }
.lesson-list a:hover .ll-title { color: var(--azulejo); text-decoration: underline; }
.lesson-list.with-desc li { padding: 14px 0; }
.lesson-list.with-desc .ll-title { display: block; font-size: 1.12rem; font-weight: 650; }
.ll-desc { display: block; font-family: var(--f-body); color: var(--basalto-2); font-size: .97rem; line-height: 1.5; margin-top: 3px; }
.lvl { font: 700 .7rem/1 var(--f-head); padding: 4px 6px 3px; border-radius: 4px; border: 1px solid currentColor; color: var(--basalto-2); white-space: nowrap; }
.lvl-a { color: var(--br); } .lvl-b { color: var(--azulejo); }
.sec-progress { font: 500 .88rem/1.3 var(--f-head); color: var(--basalto-2); }
.sec-progress .bar { display: block; height: 6px; background: var(--pedra-2); border-radius: 3px; margin-top: 6px; overflow: hidden; max-width: 220px; }
.sec-progress .bar i { display: block; height: 100%; background: var(--sol); }

.how { max-width: 1320px; margin: 0 auto; padding: 40px var(--gutter) 80px; }
.how-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 28px 32px; margin: 18px 0 0; }
.how-list dt { font: 700 1.1rem/1.25 var(--f-head); margin-bottom: 6px; }
.how-list dd { margin: 0; color: var(--basalto-2); font-size: .98rem; line-height: 1.6; }

/* ---------- botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 650 .98rem/1 var(--f-head); padding: 12px 18px; border-radius: var(--r); border: 2px solid var(--boton); background: var(--boton); color: #fff; text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--azulejo); border-color: var(--azulejo); }
.btn-lg { padding: 15px 22px; font-size: 1.05rem; }
@media (prefers-color-scheme: dark) { .btn { color: #1C1A17; } .btn.ghost { color: var(--azulejo); } }

/* ---------- lección ---------- */
.lesson-layout { max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); }
.course-nav { position: sticky; top: 74px; align-self: start; max-height: calc(100vh - 90px); overflow: auto; padding: 28px 6px 40px 0; font-family: var(--f-head); font-size: .92rem; scrollbar-width: thin; }
.cn-title { font-weight: 700; font-size: 1rem; margin: 0 0 8px; }
.course-nav details { border-top: 1px solid var(--linea); }
.course-nav summary { list-style: none; cursor: pointer; padding: 9px 0; display: flex; justify-content: space-between; gap: 8px; font-weight: 650; }
.course-nav summary::-webkit-details-marker { display: none; }
.course-nav summary a { color: var(--basalto); text-decoration: none; }
.course-nav summary::after { content: "+"; color: var(--basalto-2); }
.course-nav details[open] summary::after { content: "–"; }
.cn-count { margin-left: auto; color: var(--basalto-2); font-weight: 500; font-size: .8rem; }
.course-nav ol { list-style: none; margin: 0 0 10px; padding: 0; }
.course-nav li a { display: block; padding: 4px 8px; margin-left: -8px; border-radius: 4px; color: var(--basalto-2); text-decoration: none; line-height: 1.3; }
.course-nav li a:hover { color: var(--basalto); background: var(--pedra-2); }
.course-nav li a[aria-current] { color: var(--azulejo); background: var(--azulejo-2); font-weight: 650; }
.course-nav li a.done::after { content: " ✓"; color: var(--br); }
@media (max-width: 960px) {
  .lesson-layout { grid-template-columns: 1fr; }
  .course-nav { display: none; }
}

.lesson, .section-page { padding: 28px 0 80px; min-width: 0; max-width: 780px; }
.crumbs { font: 500 .88rem var(--f-head); color: var(--basalto-2); display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.crumbs a { color: var(--basalto-2); }
.lesson-head h1 { max-width: 22ch; }
.lesson-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; font: 500 .88rem var(--f-head); color: var(--basalto-2); margin: 0 0 14px; }
.lead { font-size: 1.15rem; color: var(--basalto-2); max-width: 60ch; }
.toc { border-left: 3px solid var(--sol); padding: 4px 0 4px 16px; margin: 26px 0 34px; font-family: var(--f-head); font-size: .95rem; }
.toc-t { font-weight: 700; margin: 0 0 6px; }
.toc ol { margin: 0; padding-left: 1.2em; columns: 2 220px; }
.toc a { color: var(--basalto); text-decoration: none; }
.toc a:hover { color: var(--azulejo); text-decoration: underline; }

.prose { max-width: var(--measure); }
.prose h2 { margin-top: 2.2em; padding-top: .2em; }
.prose h3 { margin-top: 1.8em; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.05em; }
.prose li { margin-bottom: .3em; }
.prose strong { font-weight: 650; }
.prose .tablewrap, .prose .examples, .prose .note, .prose .exercise { max-width: none; }

.tablewrap { overflow-x: auto; margin: 1.2em 0 1.6em; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: .98rem; line-height: 1.45; }
caption { text-align: left; font: 650 .95rem var(--f-head); padding-bottom: 8px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--linea); vertical-align: top; }
thead th { font: 650 .82rem/1.2 var(--f-head); color: var(--basalto-2); border-bottom: 2px solid var(--linea-2); }
tbody tr:hover { background: color-mix(in srgb, var(--pedra-2) 60%, transparent); }
.conj th[scope="row"] { font: 500 .92rem var(--f-head); color: var(--basalto-2); white-space: nowrap; }
.conj thead th { font-size: .95rem; color: var(--basalto); }
.note-cell { color: var(--basalto-2); font-size: .9rem; }
.vocab td:first-child { width: 45%; }

.examples { list-style: none; padding: 0; margin: 1em 0 1.6em; }
.examples li { padding: 10px 0 10px 16px; border-left: 3px solid var(--linea); margin-bottom: 8px; }
.examples .tr { display: block; color: var(--basalto-2); font-style: italic; font-size: .97rem; margin-top: 2px; }
html[data-variant="totes"] .examples .dual { display: flex; flex-direction: column; gap: 4px; }

.note { margin: 1.4em 0 1.8em; padding: 14px 18px; border-radius: var(--r); background: var(--pedra-2); border-left: 4px solid var(--basalto-2); }
.note > :last-child { margin-bottom: 0; }
.note-t { font: 700 .92rem/1.2 var(--f-head); margin: 0 0 6px !important; }
.note-tip { border-color: var(--sol); }
.note-warn { border-color: var(--pt); }
.note-warn .note-t { color: var(--pt); }
.note-cen { border-color: var(--cen); }
.note-cen .note-t { color: var(--cen); }
.note-val { border-color: var(--val); }
.note-val .note-t { color: var(--val); }
.note-bal { border-color: var(--bal); }
.note-bal .note-t { color: var(--bal); }
.note-info { border-color: var(--azulejo); background: var(--azulejo-2); }

/* ---------- ejercicios ---------- */
.exercise { margin: 3em 0 1em; padding: 22px clamp(16px, 3vw, 28px) 18px; background: var(--card); border: 1px solid var(--linea); border-top: 4px solid var(--marca); border-radius: var(--r); }
.exercise .ex-title { margin-top: 0; padding-top: 0; font-size: 1.35rem; }
.ex-list { margin: 0; padding-left: 1.3em; }
.ex-list > li { margin-bottom: 18px; }
.q-text { margin: 0 0 8px !important; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; }
.opt { font: 500 .98rem/1.3 var(--f-body); padding: 8px 14px; border: 1.5px solid var(--linea); border-radius: var(--r); background: var(--pedra); color: var(--basalto); cursor: pointer; text-align: left; }
.opt:hover:not(:disabled) { border-color: var(--azulejo); }
.opt:disabled { cursor: default; }
.opt.right { border-color: var(--ok); background: var(--br-bg); color: var(--basalto); font-weight: 650; }
.opt.wrong { border-color: var(--ko); background: var(--pt-bg); text-decoration: line-through; }
.exp { font-size: .95rem; color: var(--basalto-2); margin: 8px 0 0 !important; }
.exp.ok-t { color: var(--ok); }
.hint { font-size: .9rem; color: var(--basalto-2); font-style: italic; margin: 2px 0 0 !important; }
.gap { font: 600 1rem var(--f-body); padding: 3px 6px; border: 0; border-bottom: 2px solid var(--basalto-2); background: var(--pedra); color: var(--basalto); border-radius: 3px 3px 0 0; max-width: 100%; }
.gap:focus { outline: none; border-color: var(--azulejo); background: var(--azulejo-2); }
.gap.right { border-color: var(--ok); background: var(--br-bg); }
.gap.almost { border-color: var(--sol); background: color-mix(in srgb, var(--sol) 22%, transparent); }
.gap.wrong { border-color: var(--ko); background: var(--pt-bg); }
.ex-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.ex-actions .btn { padding: 10px 16px; font-size: .95rem; }
.score { font: 650 1rem var(--f-head); margin: 12px 0 0; min-height: 1em; }

.done-box { margin: 40px 0 0; padding: 22px 0; border-top: 1px solid var(--linea); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.done-btn[aria-pressed="true"] { background: var(--br); border-color: var(--br); }
.done-msg { margin: 0; font: 500 .95rem var(--f-head); color: var(--basalto-2); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 18px; }
.pg { display: block; padding: 14px 16px; border: 1px solid var(--linea); border-radius: var(--r); text-decoration: none; background: var(--card); }
.pg:hover { border-color: var(--azulejo); }
.pg.next { text-align: right; grid-column: 2; }
.pg-l { display: block; font: 500 .82rem var(--f-head); color: var(--basalto-2); }
.pg-t { display: block; font: 650 1rem/1.3 var(--f-head); color: var(--azulejo); margin-top: 3px; }
@media (max-width: 560px) { .pager { grid-template-columns: 1fr; } .pg.next { grid-column: 1; } }

.ad { margin: 2em 0; min-height: 100px; }

/* ---------- páginas ---------- */
.page { max-width: 760px; margin: 0 auto; padding: 48px var(--gutter) 80px; }

/* ---------- pie ---------- */
.site-footer { background: var(--panel); margin-top: 40px; }
.ft-indep { font-size: .86rem; }
.ft-inner { max-width: 1320px; margin: 0 auto; padding: 40px var(--gutter) 20px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; font-size: .95rem; }
.ft-brand { font: 750 1.2rem var(--f-head); margin: 0 0 8px; color: var(--gris); }
.ft-brand b { color: var(--marca); }
.ft-about p { color: var(--basalto-2); max-width: 46ch; margin: 0 0 10px; }
.ft-h { font: 700 .95rem var(--f-head); margin: 0 0 8px; }
.ft-col ul { list-style: none; margin: 0; padding: 0; }
.ft-col li { margin-bottom: 4px; }
.ft-col a { color: var(--basalto); text-decoration: none; }
.ft-col a:hover { color: var(--azulejo); text-decoration: underline; }
.ft-copy { max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter) 24px; color: var(--basalto-2); font: 400 .85rem var(--f-head); }
@media (max-width: 760px) { .ft-inner { grid-template-columns: 1fr 1fr; } .ft-about { grid-column: 1 / -1; } }

@media print {
  .site-header, .course-nav, .calcada, .site-footer, .pager, .done-box, .ad, .toc { display: none !important; }
  .lesson-layout { display: block; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translate(-50%, 140%); background: var(--basalto); color: var(--pedra); font: 500 .92rem/1.4 var(--f-head); padding: 12px 16px; border-radius: var(--r); max-width: min(460px, 92vw); z-index: 60; transition: transform .25s; }
.toast.show { transform: translate(-50%, 0); }

/* vocabulario en móvil: la nota pasa debajo de la fila */
@media (max-width: 560px) {
  .vocab thead { display: none; }
  .vocab tr { display: grid; grid-template-columns: 1.1fr 1fr; border-bottom: 1px solid var(--linea); }
  .vocab td { border-bottom: 0; padding: 9px 8px; }
  .vocab td:first-child { width: auto; }
  .vocab td.note-cell { grid-column: 1 / -1; padding-top: 0; font-size: .86rem; }
  .vocab td.note-cell:empty { display: none; }
}

.how-list a { color: var(--azulejo); }

@media (max-width: 1400px) { .brand-sub { display: none; } }
.main-nav ul { flex-wrap: nowrap; }
.main-nav a { white-space: nowrap; }
@media (min-width: 1181px) and (max-width: 1440px) { .hd-inner { gap: 14px; } .main-nav a { padding: 6px 7px; font-size: .92rem; } .search input { width: 130px; } .search input:focus { width: 180px; } }

/* mòbil: cercador i selector de variant en files separades */
@media (max-width: 640px) {
  .hd-tools { flex-wrap: wrap; gap: 8px; }
  .search { flex: 1 1 100%; }
  .variant { flex: 1 1 100%; justify-content: space-between; }
  .variant button { padding: 7px 8px; font-size: .8rem; }
}
@media (max-width: 640px) { .site-header { position: static; } html { scroll-padding-top: 12px; } }