/* ═══════════════════════════════════════════════════════════
   VOCABOLARIONE — Stile principale
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-card-hover: #222633;
  --bg-input: #1e2130;
  --border: #2a2e3d;
  --border-focus: #5b7fff;
  --text: #e4e6ed;
  --text-dim: #8b8fa3;
  --text-muted: #5a5e72;
  --accent: #5b7fff;
  --accent-light: #7b99ff;
  --green: #4ade80;
  --amber: #fbbf24;
  --rose: #fb7185;
  --cyan: #22d3ee;
  --purple: #a78bfa;
  --orange: #fb923c;
  --teal: #2dd4bf;
  --pink: #f472b6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 15px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── HEADER ───────────────────────────────────── */

header {
  padding: 2.5rem 2rem 0;
  text-align: center;
}

.logo {
  font-size: 2.6rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--text);
  margin-bottom: 0.3rem;
  line-height: 1.2;
}

.logo-vocabolario {
  opacity: 0;
  animation: logoFadeSlide 1.2s ease-out 0.2s forwards;
}

.logo-ne {
  font-weight: 800;
  font-size: 3.2rem;
  letter-spacing: 0.02em;
  display: inline-block;
  position: relative;
  opacity: 0;
  animation: logoNeReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1s forwards;
}

.logo-ne-text {
  background: linear-gradient(135deg, #5b7fff 0%, #22d3ee 40%, #a78bfa 80%, #5b7fff 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoGradient 25s ease infinite 2s;
}

.logo-underline {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  border-radius: 2px;
  animation: logoUnderline 0.6s ease-out 1.6s forwards;
}

@keyframes logoFadeSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes logoNeReveal {
  from { opacity: 0; transform: scale(0.7) translateY(4px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes logoUnderline {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes logoGradient {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0;
  animation: logoFadeSlide 0.8s ease-out 2s forwards;
}

/* ── SEARCH ───────────────────────────────────── */

.search-container {
  max-width: 680px;
  margin: 1.5rem auto 0;
  padding: 0 1.5rem;
  position: relative;
}

.search-box {
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 1rem 1.25rem 1rem 3rem;
  font-size: 1.15rem;
  font-family: var(--font);
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(91,127,255,0.15);
}

.search-box input::placeholder { color: var(--text-muted); }

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.lang-toggle {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.lang-btn {
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
}

.lang-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.lang-btn:hover:not(.active) {
  border-color: var(--text-dim);
  color: var(--text);
}

/* ── AUTOCOMPLETE ─────────────────────────────── */

.autocomplete {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  max-height: 360px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: var(--shadow);
  display: none;
}

.autocomplete.visible { display: block; }

.ac-item {
  padding: 0.6rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.1s;
}

.ac-item:hover, .ac-item.selected {
  background: var(--bg-card-hover);
}

.ac-lemma {
  font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
}

.ac-lemma mark {
  background: none;
  color: var(--accent-light);
  font-weight: 700;
}

.ac-qual {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

.ac-marca {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ac-badges {
  margin-left: auto;
  display: flex;
  gap: 3px;
  flex-shrink: 0;
}

.ac-badge {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  opacity: 0.7;
}

.ac-badge[data-src="diz"]   { background: var(--accent); }
.ac-badge[data-src="sin"]   { background: var(--green); }
.ac-badge[data-src="verbi"] { background: var(--amber); }
.ac-badge[data-src="it_en"] { background: var(--cyan); }
.ac-badge[data-src="en_it"] { background: var(--cyan); }

/* ── STATS BAR ────────────────────────────────── */

.stats-bar {
  max-width: 780px;
  margin: 1.5rem auto 0;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
}

.stat {
  text-align: center;
  padding: 0.6rem 0.3rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
  transition: background 0.2s;
}

.stat:hover { background: rgba(255,255,255,0.04); }

.stat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  margin-bottom: 0.3rem;
}

.stat-num {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  display: block;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  display: block;
  margin-top: 0.1rem;
}

.stat-desc {
  font-size: 0.58rem;
  color: var(--text-muted);
  opacity: 0.7;
  line-height: 1.4;
  margin-top: 0.2rem;
  display: block;
}

/* ── RESULTS ──────────────────────────────────── */

.results {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.result-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.result-lemma {
  font-size: 2.2rem;
  font-weight: 700;
}

.result-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.35rem;
  flex-wrap: wrap;
}

.result-qual {
  font-size: 0.95rem;
  color: var(--text-dim);
  font-style: italic;
}

.result-marca {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(91,127,255,0.15);
  color: var(--accent-light);
}

.result-sillaba {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ── CARDS ─────────────────────────────────────── */

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}

.card:hover { border-color: rgba(255,255,255,0.1); }

.card-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}

.card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.card-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  flex-grow: 1;
}

.card-source {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-style: italic;
}

.card-toggle {
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: transform 0.2s;
}

.card.collapsed .card-toggle { transform: rotate(-90deg); }
.card.collapsed .card-body { display: none; }

.card-body {
  padding: 1rem;
}

/* Card colori per tipo */
.card--diz .card-dot   { background: var(--accent); }
.card--diz .card-title { color: var(--accent-light); }

.card--sin .card-dot   { background: var(--green); }
.card--sin .card-title { color: var(--green); }

.card--verbi .card-dot   { background: var(--amber); }
.card--verbi .card-title { color: var(--amber); }

.card--it-en .card-dot   { background: var(--cyan); }
.card--it-en .card-title { color: var(--cyan); }

.card--en-it .card-dot   { background: var(--teal); }
.card--en-it .card-title { color: var(--teal); }

.card--gram .card-dot   { background: var(--purple); }
.card--gram .card-title { color: var(--purple); }

/* ── DEFINIZIONI ───────────────────────────────── */

.accezione {
  margin-bottom: 0.85rem;
  padding-left: 0.5rem;
  border-left: 2px solid rgba(255,255,255,0.06);
}

.accezione:last-child { margin-bottom: 0; }

.acc-num {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent-light);
  margin-right: 0.4rem;
  font-family: var(--font-mono);
}

.acc-marca {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  background: rgba(91,127,255,0.12);
  color: var(--accent-light);
  margin-right: 0.3rem;
}

.acc-ambito {
  font-size: 0.7rem;
  color: var(--purple);
  font-style: italic;
  margin-right: 0.3rem;
}

.acc-def {
  color: var(--text);
  line-height: 1.65;
}

.acc-esempi {
  margin-top: 0.3rem;
  padding-left: 1rem;
}

.acc-esempio {
  font-style: italic;
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.5;
}

.acc-esempio::before {
  content: '\203A ';
  color: var(--text-muted);
}

/* ── SINONIMI ──────────────────────────────────── */

.syn-group {
  margin-bottom: 0.75rem;
}

.syn-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

.syn-label--sin    { background: rgba(74,222,128,0.15); color: var(--green); }
.syn-label--contr  { background: rgba(251,113,133,0.15); color: var(--rose); }
.syn-label--anlg   { background: rgba(167,139,250,0.15); color: var(--purple); }
.syn-label--gen    { background: rgba(34,211,238,0.15); color: var(--cyan); }
.syn-label--spec   { background: rgba(251,191,36,0.15); color: var(--amber); }
.syn-label--inv    { background: rgba(249,115,22,0.15); color: var(--orange); }
.syn-label--grad   { background: rgba(244,114,182,0.15); color: var(--pink); }

.syn-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.syn-term {
  font-size: 0.88rem;
  color: var(--text-dim);
  padding: 0.15rem 0.5rem;
  background: rgba(255,255,255,0.04);
  border-radius: 4px;
  transition: background 0.15s;
}

.syn-term:hover { background: rgba(255,255,255,0.08); }
.syn-term.principale { font-weight: 700; color: var(--text); }

.syn-term .registro {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-style: italic;
  margin-left: 0.2rem;
}

/* ── CONIUGAZIONE ─────────────────────────────── */

.conj-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.conj-tag {
  font-size: 0.78rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(251,191,36,0.12);
  color: var(--amber);
}

.conj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

.conj-tempo {
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
}

.conj-tempo-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--amber);
  margin-bottom: 0.4rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid rgba(251,191,36,0.15);
}

.conj-forme {
  font-size: 0.82rem;
  line-height: 1.7;
}

.conj-persona {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.72rem;
  margin-right: 0.25rem;
}

.conj-forma {
  color: var(--text);
}

/* ── TRADUZIONE ────────────────────────────────── */

.trad-sezione {
  margin-bottom: 0.85rem;
}

.trad-sezione-head {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.trad-romano {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.trad-qual {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

.trad-entry {
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
  border-left: 2px solid rgba(255,255,255,0.06);
}

.trad-num {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  margin-right: 0.3rem;
}

.trad-ambito {
  font-size: 0.7rem;
  color: var(--purple);
  font-style: italic;
  margin-right: 0.3rem;
}

.trad-glossa {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-right: 0.3rem;
}

.trad-testo {
  color: var(--text);
  font-weight: 500;
}

.trad-esempio {
  font-style: italic;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 0.15rem;
}

.trad-esempio .trad-esempio-orig { color: var(--text-dim); }
.trad-esempio .trad-esempio-trad { color: var(--cyan); opacity: 0.7; }

/* ── GRAMMATICA ────────────────────────────────── */

.gram-result {
  margin-bottom: 0.75rem;
  padding: 0.6rem 0.75rem;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
}

.gram-result:hover { background: rgba(255,255,255,0.06); }

.gram-path {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.gram-title {
  font-weight: 600;
  color: var(--purple);
}

.gram-excerpt {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
  line-height: 1.55;
}

.gram-excerpt mark {
  background: rgba(167,139,250,0.2);
  color: var(--purple);
  padding: 0 0.15rem;
  border-radius: 2px;
}

/* ── Grammatica espansa ────────────────────────── */

.gram-result.gram-expanded {
  background: rgba(167,139,250,0.06);
  border-left: 3px solid var(--purple);
  padding-left: calc(0.75rem - 3px);
}

.gram-content-slot {
  margin-top: 0;
}

.gram-excerpt-full {
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(167,139,250,0.15);
}

.gram-block {
  margin-bottom: 0.65rem;
  line-height: 1.75;
  font-size: 0.9rem;
  color: var(--text);
}

.gram-block:last-child { margin-bottom: 0; }

.gram-block-text {
  color: var(--text-dim);
}

.gram-block-text b { color: var(--text); font-weight: 600; }
.gram-block-text i { color: var(--purple); opacity: 0.85; }
.gram-block-text u { text-decoration: none; border-bottom: 1px dashed var(--purple); }

.gram-para-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--purple);
  opacity: 0.6;
  margin-right: 0.3rem;
}

/* ── POLIREMATICHE ─────────────────────────────── */

.poli-item {
  margin-bottom: 0.75rem;
  padding: 0.5rem 0.7rem;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
}

.poli-expr {
  font-weight: 700;
  color: var(--accent-light);
}

.poli-qual {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  margin-left: 0.4rem;
}

/* ── LOADING / EMPTY ──────────────────────────── */

.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

.loading::after {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 0.5rem;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  opacity: 0.3;
}

/* ── ETIMOLOGIA ────────────────────────────────── */

.etimo {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-top: 0.5rem;
  padding: 0.5rem 0.7rem;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
  line-height: 1.6;
}

.etimo-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-right: 0.4rem;
}

/* ── SOTTO-LEMMI (Sinonimi) ────────────────────── */

.sotto-lemma {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255,255,255,0.08);
}

.sotto-lemma-head {
  font-weight: 700;
  color: var(--green);
  margin-bottom: 0.4rem;
}

.sotto-lemma-tipo {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  background: rgba(74,222,128,0.12);
  color: var(--green);
  margin-left: 0.3rem;
  text-transform: uppercase;
}

/* ── SCROLLBAR ─────────────────────────────────── */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── FOOTER ─────────────────────────────────────── */

footer {
  max-width: 780px;
  margin: 3rem auto 0;
  padding: 1.5rem 1.5rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-section {
  flex: 1;
  min-width: 200px;
}

.footer-section h3 {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.15s;
}

.footer-link:hover { color: var(--text); }

.footer-link-icon {
  font-size: 1rem;
  flex-shrink: 0;
  width: 1.2rem;
  text-align: center;
}

.footer-link small {
  font-size: 0.68rem;
  color: var(--text-muted);
  display: block;
  margin-top: 0.05rem;
}

.footer-copy {
  text-align: center;
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
  opacity: 0.6;
}

/* ── RESPONSIVE ────────────────────────────────── */

@media (max-width: 640px) {
  .logo { font-size: 1.8rem; }
  .logo-ne { font-size: 2.2rem; }
  .search-box input { font-size: 1rem; padding: 0.85rem 1rem 0.85rem 2.75rem; }
  .result-lemma { font-size: 1.6rem; }
  .conj-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(3, 1fr); gap: 0.4rem; }
  .stat-num { font-size: 1rem; }
  .stat-desc { display: none; }
  .footer-grid { flex-direction: column; gap: 1rem; }
}

@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .card--diz, .card--sin {
    grid-column: span 2;
  }
}