/* ==========================================================================
   Vetrina cataloghi - stile di base condiviso da librerie e lettore.
   Ogni colore, font e effetto arriva da variabili CSS impostate da js/tema.js
   (pannello Personalizza). Qui non c'è nessun colore "fisso" del tema.
   ========================================================================== */

@font-face { font-family: "Chakra Petch"; font-weight: 400; font-display: swap; src: url("../fonts/chakra-petch-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Chakra Petch"; font-weight: 500; font-display: swap; src: url("../fonts/chakra-petch-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Chakra Petch"; font-weight: 600; font-display: swap; src: url("../fonts/chakra-petch-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Chakra Petch"; font-weight: 700; font-display: swap; src: url("../fonts/chakra-petch-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Syne"; font-weight: 700; font-display: swap; src: url("../fonts/syne-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Syne"; font-weight: 800; font-display: swap; src: url("../fonts/syne-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Playfair Display"; font-weight: 600; font-display: swap; src: url("../fonts/playfair-display-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Playfair Display"; font-weight: 700; font-display: swap; src: url("../fonts/playfair-display-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Playfair Display"; font-weight: 700; font-style: italic; font-display: swap; src: url("../fonts/playfair-display-latin-700-italic.woff2") format("woff2"); }
@font-face { font-family: "Orbitron"; font-weight: 500; font-display: swap; src: url("../fonts/orbitron-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Orbitron"; font-weight: 700; font-display: swap; src: url("../fonts/orbitron-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Orbitron"; font-weight: 900; font-display: swap; src: url("../fonts/orbitron-latin-900-normal.woff2") format("woff2"); }

/* animabili: servono per far "respirare" il neon senza JavaScript */
@property --glow { syntax: "<number>"; inherits: true; initial-value: 1; }

:root {
  /* valori di sicurezza: js/tema.js li sovrascrive subito */
  --sfondo1: #05030f; --sfondo2: #150a33; --angolo: 160deg;
  --testo: #eaf2ff; --testo-sec: #9fb0d6;
  --pannello-rgb: 14 11 34; --pannello-op: .72;
  --accento: #00f0ff; --accento2: #ff2bd6; --evidenzia: #ffe14a;
  --ni: 70; --neon-alone: 24px; --neon-spessore: 2px;
  --raggio-cop: 6px; --dim-cop: 168px; --tilt-max: 12deg; --ombra-cop: .6;
  --font-titoli: "Syne", system-ui, sans-serif;
  --font-testo: "Chakra Petch", system-ui, sans-serif;
  --scala-testo: 1; --spaz-titoli: 0.04em; --maiuscolo: none;
  --raggio-ui: 12px; --vel-giro: 900ms;
  --bordo-pagine: #f1ebdd; --lum-pagine: 1; --sepia-pagine: 0;
  --vignetta: .45;
  --bordo-ui: color-mix(in srgb, var(--testo) 16%, transparent);
  --pannello: rgb(var(--pannello-rgb) / var(--pannello-op));
  --pannello-solido: rgb(var(--pannello-rgb));
  --neon-col: color-mix(in srgb, var(--accento) calc(var(--ni) * var(--glow) * 1%), transparent);
  --neon-col2: color-mix(in srgb, var(--accento2) calc(var(--ni) * var(--glow) * 1%), transparent);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; font-size: calc(16px * var(--scala-testo)); }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-testo);
  color: var(--testo);
  background: linear-gradient(var(--angolo), var(--sfondo1), var(--sfondo2)) fixed;
  background-color: var(--sfondo1);
  line-height: 1.45;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}
img { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accento); }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accento); outline-offset: 2px; }
.solo-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

h1, h2, h3, .titolo {
  font-family: var(--font-titoli);
  letter-spacing: var(--spaz-titoli);
  text-transform: var(--maiuscolo);
  margin: 0;
  line-height: 1.12;
}

/* ---- Sfondo animato (gestito da js/tema.js) ------------------------------ */
#sfondo { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
#sfondo canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#sfondo .livello { position: absolute; inset: 0; }
#sfondo .vignetta { background: radial-gradient(ellipse at 50% 45%, transparent 40%, rgb(0 0 0 / var(--vignetta)) 100%); }
#sfondo[data-tipo="gradiente-animato"] .livello.base {
  background: linear-gradient(var(--angolo), var(--sfondo1), var(--sfondo2), color-mix(in srgb, var(--accento) 28%, var(--sfondo1)), var(--sfondo2), var(--sfondo1));
  background-size: 400% 400%;
  animation: scorri-sfondo calc(60s / var(--vel-sfondo, 1)) ease-in-out infinite;
}
#sfondo[data-tipo="aurora"] .livello.base {
  background:
    radial-gradient(60% 50% at 20% 30%, color-mix(in srgb, var(--accento) 46%, transparent), transparent 70%),
    radial-gradient(55% 45% at 80% 25%, color-mix(in srgb, var(--accento2) 42%, transparent), transparent 70%),
    radial-gradient(70% 55% at 50% 90%, color-mix(in srgb, var(--accento) 30%, transparent), transparent 70%),
    linear-gradient(var(--angolo), var(--sfondo1), var(--sfondo2));
  background-size: 160% 160%, 150% 150%, 170% 170%, 100% 100%;
  animation: aurora calc(38s / var(--vel-sfondo, 1)) ease-in-out infinite alternate;
}
#sfondo[data-tipo="immagine"] .livello.base { background-size: cover; background-position: center; }
#sfondo .livello.scurisci { background: rgb(0 0 0 / var(--scuro-img, .35)); }
@keyframes scorri-sfondo { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes aurora {
  0% { background-position: 0% 0%, 100% 0%, 50% 100%, 0 0; }
  100% { background-position: 100% 60%, 0% 80%, 20% 0%, 0 0; }
}

/* ---- Neon: respiro, tremolio, pulsa (il colore è in --neon-col) ----------- */
html[data-neon-anim="respiro"] { animation: respira 4s ease-in-out infinite; }
html[data-neon-anim="pulsa"] { animation: respira 1.3s ease-in-out infinite; }
html[data-neon-anim="tremolio"] { animation: tremola 5.5s steps(1, end) infinite; }
@keyframes respira { 0%, 100% { --glow: 1; } 50% { --glow: .38; } }
@keyframes tremola {
  0%, 18%, 22%, 62%, 66%, 100% { --glow: 1; }
  19%, 21% { --glow: .15; }
  63% { --glow: .3; }
  64% { --glow: .9; }
  65% { --glow: .2; }
}
html[data-neon="off"] { --ni: 0; }
html[data-leggera="1"][data-neon-anim] { animation: none; }

.neon-testo {
  text-shadow: none;
}
html[data-neon="on"][data-nt="1"] .neon-testo {
  color: color-mix(in srgb, var(--accento) 35%, #fff);
  text-shadow:
    0 0 calc(var(--neon-alone) * .18) color-mix(in srgb, #fff 80%, transparent),
    0 0 calc(var(--neon-alone) * .5) var(--neon-col),
    0 0 var(--neon-alone) var(--neon-col),
    0 0 calc(var(--neon-alone) * 2) var(--neon-col2);
}

/* ---- Componenti interfaccia ---------------------------------------------- */
.vetro {
  background: var(--pannello);
  border: 1px solid var(--bordo-ui);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  backdrop-filter: blur(14px) saturate(1.3);
}
html[data-barre="solida"] .vetro { background: var(--pannello-solido); -webkit-backdrop-filter: none; backdrop-filter: none; }
html[data-barre="minimale"] .vetro { background: transparent; border-color: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
html[data-leggera="1"] .vetro { -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--pannello-solido); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45em;
  min-height: 40px; min-width: 40px; padding: 0 .9em;
  background: color-mix(in srgb, var(--testo) 7%, transparent);
  border: 1px solid var(--bordo-ui);
  border-radius: var(--raggio-ui);
  color: var(--testo);
  font-weight: 500; letter-spacing: .02em;
  transition: background .18s, border-color .18s, box-shadow .18s, transform .12s;
}
.btn:hover { background: color-mix(in srgb, var(--accento) 16%, transparent); border-color: color-mix(in srgb, var(--accento) 60%, transparent); }
.btn:active { transform: translateY(1px) scale(.98); }
.btn[aria-pressed="true"], .btn.attivo { background: color-mix(in srgb, var(--accento) 24%, transparent); border-color: var(--accento); }
.btn.primario { background: color-mix(in srgb, var(--accento) 80%, #000); color: #04101a; border-color: transparent; font-weight: 700; }
.btn svg { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.btn.solo-icona { padding: 0; width: 40px; }
html[data-neon="on"][data-np="1"] .btn:hover,
html[data-neon="on"][data-np="1"] .btn.attivo,
html[data-neon="on"][data-np="1"] .btn[aria-pressed="true"] {
  box-shadow: 0 0 0 1px var(--neon-col), 0 0 calc(var(--neon-alone) * .6) var(--neon-col);
}
html[data-neon="on"][data-np="1"] .btn.primario { box-shadow: 0 0 var(--neon-alone) var(--neon-col); }

.chip {
  display: inline-flex; align-items: center; gap: .4em;
  min-height: 34px; padding: 0 .85em;
  border-radius: 999px;
  background: color-mix(in srgb, var(--testo) 6%, transparent);
  border: 1px solid var(--bordo-ui);
  color: var(--testo-sec);
  font-size: .86rem; font-weight: 500;
  transition: all .16s;
}
.chip:hover { color: var(--testo); border-color: color-mix(in srgb, var(--accento) 55%, transparent); }
.chip[aria-pressed="true"] { color: var(--testo); background: color-mix(in srgb, var(--accento) 22%, transparent); border-color: var(--accento); }
html[data-neon="on"][data-np="1"] .chip[aria-pressed="true"] { box-shadow: 0 0 calc(var(--neon-alone) * .5) var(--neon-col); }

.campo {
  width: 100%; min-height: 40px; padding: 0 .85em;
  background: color-mix(in srgb, var(--testo) 7%, transparent);
  border: 1px solid var(--bordo-ui);
  border-radius: var(--raggio-ui);
  outline: none;
}
.campo:focus { border-color: var(--accento); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accento) 24%, transparent); }
.campo::placeholder { color: var(--testo-sec); }
select.campo { appearance: none; padding-right: 2em; background-image: linear-gradient(45deg, transparent 50%, var(--testo-sec) 50%), linear-gradient(135deg, var(--testo-sec) 50%, transparent 50%); background-position: calc(100% - 17px) 17px, calc(100% - 12px) 17px; background-size: 5px 5px; background-repeat: no-repeat; }
select.campo option { background: var(--pannello-solido); color: var(--testo); }

.badge {
  display: inline-flex; align-items: center; gap: .35em;
  padding: .15em .6em; border-radius: 999px;
  font-size: .72rem; font-weight: 600; letter-spacing: .04em;
  background: color-mix(in srgb, var(--testo) 12%, transparent);
  color: var(--testo);
}
.badge.ok { background: color-mix(in srgb, #36e08a 24%, transparent); color: #7bf0b2; }
.badge.warn { background: color-mix(in srgb, #ffb020 26%, transparent); color: #ffd27a; }
.pallino { width: .55em; height: .55em; border-radius: 50%; background: currentColor; box-shadow: 0 0 .6em currentColor; }

/* ---- Avvisi --------------------------------------------------------------- */
#avvisi {
  position: fixed; left: 50%; bottom: max(18px, env(safe-area-inset-bottom)); transform: translateX(-50%);
  z-index: 400; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none;
  width: min(92vw, 460px);
}
.avviso {
  pointer-events: auto; width: 100%;
  padding: .7em 1em; border-radius: var(--raggio-ui);
  background: var(--pannello-solido); border: 1px solid var(--bordo-ui);
  box-shadow: 0 10px 40px rgb(0 0 0 / .45);
  animation: entra-avviso .25s ease-out;
  font-size: .92rem;
}
.avviso.errore { border-color: #ff6b6b; }
@keyframes entra-avviso { from { opacity: 0; transform: translateY(10px); } }

/* ---- Pannello Personalizza ------------------------------------------------ */
.pannello-tema {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 300;
  width: min(420px, 100vw);
  display: flex; flex-direction: column;
  transform: translateX(104%);
  transition: transform .32s cubic-bezier(.2, .8, .2, 1);
  border-radius: var(--raggio-ui) 0 0 var(--raggio-ui);
  box-shadow: -20px 0 60px rgb(0 0 0 / .45);
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--pannello-solido);
}
.pannello-tema.aperto { transform: none; }
.pt-testa { display: flex; align-items: center; gap: 10px; padding: 14px 16px 8px 18px; }
.pt-testa h2 { font-size: 1.15rem; flex: 1; }
.pt-azioni { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; padding: 6px 16px 10px; }
.pt-azioni .btn { min-height: 36px; font-size: .85rem; }
.pt-azioni .riga { grid-column: 1 / -1; display: flex; gap: 8px; flex-wrap: wrap; }
.pt-schede { display: flex; gap: 6px; padding: 0 12px 8px; overflow-x: auto; scrollbar-width: none; }
.pt-schede::-webkit-scrollbar { display: none; }
.pt-schede .chip { flex: none; }
.pt-corpo { flex: 1; overflow-y: auto; padding: 4px 18px 28px; overscroll-behavior: contain; }
.pt-voce { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; padding: 9px 0; border-bottom: 1px solid color-mix(in srgb, var(--testo) 8%, transparent); }
.pt-voce label { font-size: .88rem; color: var(--testo); }
.pt-voce .val { font-size: .78rem; color: var(--testo-sec); font-variant-numeric: tabular-nums; text-align: right; min-width: 3.4em; }
.pt-voce .controllo { grid-column: 1 / -1; display: flex; gap: 10px; align-items: center; }
.pt-voce.inline .controllo { grid-column: auto; justify-content: flex-end; }
.pt-voce input[type="color"] { width: 46px; height: 34px; padding: 0; border: 1px solid var(--bordo-ui); border-radius: 8px; background: none; cursor: pointer; }
.pt-voce input[type="color"]::-webkit-color-swatch-wrapper { padding: 3px; }
.pt-voce input[type="color"]::-webkit-color-swatch { border: 0; border-radius: 5px; }
.pt-voce .hex { width: 7.2em; min-height: 34px; font-variant-numeric: tabular-nums; text-transform: uppercase; }
.pt-voce input[type="range"] { width: 100%; accent-color: var(--accento); }
.pt-nota { font-size: .8rem; color: var(--testo-sec); padding: 10px 0 0; }

.interruttore { position: relative; width: 46px; height: 26px; flex: none; }
.interruttore input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; z-index: 1; }
.interruttore span { position: absolute; inset: 0; border-radius: 999px; background: color-mix(in srgb, var(--testo) 18%, transparent); transition: background .2s; }
.interruttore span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--testo); transition: transform .2s; }
.interruttore input:checked + span { background: color-mix(in srgb, var(--accento) 80%, #000); }
.interruttore input:checked + span::after { transform: translateX(20px); background: #fff; }
.interruttore input:focus-visible + span { outline: 2px solid var(--accento); outline-offset: 2px; }

.scrim { position: fixed; inset: 0; z-index: 290; background: rgb(0 0 0 / .4); opacity: 0; pointer-events: none; transition: opacity .25s; }
.scrim.visibile { opacity: 1; pointer-events: auto; }

@media (max-width: 560px) {
  .pannello-tema { top: auto; width: 100vw; height: min(78vh, 640px); border-radius: var(--raggio-ui) var(--raggio-ui) 0 0; transform: translateY(104%); box-shadow: 0 -20px 60px rgb(0 0 0 / .5); }
  .pannello-tema.aperto { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html[data-neon-anim] { animation: none !important; }
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
}