/* KaraDom Song — prima il cellulare. Palette KaraDom (navy/ciano/blu/viola), scritte bianche. */
:root {
  --bg: #060c1c; --bg2: #0b1226; --bg3: #111a33;
  --linea: rgba(120,160,255,.18); --linea2: rgba(120,160,255,.32);
  --testo: #fff; --testo2: #c9d4f0; --testo3: #8f9cc0;
  --ciano: #1ec8ff; --blu: #2b6cff; --viola: #8a3cff; --ok: #2fe39a; --err: #ff6b81;
  --grad: linear-gradient(120deg, var(--ciano), var(--blu) 48%, var(--viola));
  --r: 18px; --font: "Outfit", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --nav: 64px; --lettore: 64px;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--testo); font: 17px/1.55 var(--font);
  padding-bottom: calc(var(--nav) + env(safe-area-inset-bottom)); overflow-x: hidden;
  background-image: radial-gradient(900px 500px at 80% -10%, rgba(138,60,255,.22), transparent 60%),
                    radial-gradient(700px 420px at -10% 10%, rgba(30,200,255,.16), transparent 60%); }
body.con-lettore { padding-bottom: calc(var(--nav) + var(--lettore) + env(safe-area-inset-bottom)); }
a { color: var(--ciano); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--ciano); outline-offset: 2px; border-radius: 8px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 10px; top: 10px; z-index: 99; background: var(--blu); color: #fff; padding: 8px 14px; border-radius: 10px; }
[hidden] { display: none !important; }

/* ---------- testata ---------- */
.top { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: calc(10px + env(safe-area-inset-top)) 14px 10px; background: rgba(6,12,28,.86);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--linea); }
.logo { display: flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; font-weight: 800; font-size: 1.12rem; white-space: nowrap; }
.top-dx { display: flex; align-items: center; gap: 8px; }
.lingue { display: flex; border: 1px solid var(--linea2); border-radius: 999px; overflow: hidden; }
.lingue button { background: none; border: 0; padding: 6px 9px; font-size: .78rem; font-weight: 700; color: var(--testo3); cursor: pointer; min-width: 34px; }
.lingue button[aria-pressed="true"] { background: var(--grad); color: #fff; }
.chip-utente { background: rgba(255,255,255,.06); border: 1px solid var(--linea2); border-radius: 999px; padding: 6px 12px;
  font-size: .82rem; font-weight: 700; max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; }

/* ---------- bottoni ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 10px 20px;
  border-radius: 999px; border: 0; background: var(--grad); color: #fff; font-weight: 800; text-decoration: none;
  cursor: pointer; box-shadow: 0 8px 26px rgba(43,108,255,.4); transition: transform .12s, opacity .2s; }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .5; cursor: wait; }
.btn-piccolo { min-height: 36px; padding: 6px 14px; font-size: .85rem; box-shadow: none; }
.btn-grande { min-height: 60px; font-size: 1.18rem; }
.btn-blocco { width: 100%; }
.btn-vuoto { background: rgba(255,255,255,.05); border: 1px solid var(--linea2); box-shadow: none; }

/* ---------- pagine ---------- */
main { max-width: 760px; margin: 0 auto; padding: 18px 14px 28px; }
.intro h1 { font-size: clamp(1.9rem, 7vw, 2.8rem); line-height: 1.1; margin: 6px 0 10px; font-weight: 800; }
.sotto { color: var(--testo2); margin: 0 0 18px; }
h2 { font-size: 1.6rem; margin: 6px 0 16px; }
.scheda { background: rgba(17,26,51,.82); border: 1px solid var(--linea); border-radius: 22px; padding: 16px; box-shadow: 0 18px 50px rgba(0,0,0,.4); }
.etichetta { display: block; font-weight: 700; margin: 14px 0 8px; color: #fff; }
.aiuto { color: var(--testo3); font-size: .9rem; margin: 6px 0 0; }
.centro { text-align: center; }
textarea, select { width: 100%; background: var(--bg2); border: 1px solid var(--linea2); border-radius: 14px; padding: 12px 14px; color: #fff; }
textarea { resize: vertical; min-height: 110px; }
textarea::placeholder { color: var(--testo3); }

.segmenti { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 4px; padding: 4px; background: var(--bg2);
  border: 1px solid var(--linea); border-radius: 16px; }
.segmenti button { border: 0; background: none; border-radius: 12px; padding: 12px 6px; font-weight: 700; color: var(--testo2); cursor: pointer; min-height: 48px; }
.segmenti button[aria-selected="true"], .segmenti button[aria-checked="true"] { background: var(--grad); color: #fff; }
.segmenti.piccoli button { padding: 9px 4px; min-height: 44px; }

.chips, .idee { display: flex; flex-wrap: wrap; gap: 8px; }
.idee { margin-top: 10px; }
.chips button, .idee button { border: 1px solid var(--linea2); background: rgba(255,255,255,.04); border-radius: 999px;
  padding: 8px 14px; font-size: .92rem; cursor: pointer; color: #fff; min-height: 40px; }
.idee button { font-size: .85rem; color: var(--testo2); }
.chips button[aria-pressed="true"] { background: var(--grad); border-color: transparent; font-weight: 700; }

.riga2 { display: grid; grid-template-columns: 1fr; gap: 4px 16px; }
input[type=range] { width: 100%; accent-color: var(--ciano); height: 32px; }
.interruttore { display: flex; align-items: center; gap: 12px; margin: 18px 0 6px; cursor: pointer; font-weight: 600; }
.interruttore input { position: absolute; opacity: 0; }
.leva { width: 52px; height: 30px; border-radius: 999px; background: var(--bg2); border: 1px solid var(--linea2); position: relative; flex: none; transition: background .2s; }
.leva::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; transition: transform .2s; }
.interruttore input:checked + .leva { background: var(--grad); }
.interruttore input:checked + .leva::after { transform: translateX(22px); }
.interruttore input:focus-visible + .leva { outline: 3px solid var(--ciano); outline-offset: 2px; }
#btnCrea { margin-top: 18px; }
.nota-quota { text-align: center; color: var(--testo2); font-size: .92rem; margin: 10px 0 0; min-height: 1.4em; }

.come { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 18px; }
.come div { background: rgba(255,255,255,.03); border: 1px solid var(--linea); border-radius: 14px; padding: 10px 8px; text-align: center; font-size: .85rem; color: var(--testo2); }
.come b { display: block; font-size: 1.3rem; color: #fff; }

/* ---------- elenco canzoni ---------- */
.elenco { display: grid; gap: 12px; }
.brano { background: rgba(17,26,51,.85); border: 1px solid var(--linea); border-radius: var(--r); padding: 14px; }
.brano h3 { margin: 0 0 4px; font-size: 1.12rem; }
.brano .meta { color: var(--testo3); font-size: .85rem; margin: 0 0 10px; }
.brano .azioni { display: flex; flex-wrap: wrap; gap: 8px; }
.brano .azioni button, .brano .azioni a { min-height: 44px; border-radius: 999px; padding: 8px 14px; border: 1px solid var(--linea2);
  background: rgba(255,255,255,.05); color: #fff; font-weight: 700; font-size: .92rem; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.brano .azioni .suona { background: var(--grad); border-color: transparent; }
.brano details { margin-top: 10px; color: var(--testo2); }
.brano summary { cursor: pointer; font-weight: 700; color: #fff; min-height: 36px; display: flex; align-items: center; }
.brano pre { white-space: pre-wrap; font: inherit; font-size: .95rem; margin: 6px 0 0; }
.in-corso { display: flex; align-items: center; gap: 12px; color: var(--testo2); }
.ruota { width: 26px; height: 26px; border-radius: 50%; border: 3px solid var(--linea2); border-top-color: var(--ciano); animation: gira 1s linear infinite; flex: none; }
@keyframes gira { to { transform: rotate(360deg); } }
.brano.errore { border-color: rgba(255,107,129,.5); }
.vuoto { text-align: center; color: var(--testo2); padding: 30px 10px; }

/* ---------- piani ---------- */
.piani { display: grid; gap: 14px; }
.piano { position: relative; background: rgba(17,26,51,.85); border: 1px solid var(--linea); border-radius: 22px; padding: 18px; }
.piano.evid { border-color: var(--ciano); box-shadow: 0 0 0 1px var(--ciano), 0 18px 50px rgba(30,200,255,.15); }
.piano h3 { margin: 0; font-size: 1.3rem; }
.prezzo { margin: 6px 0 10px; } .prezzo b { font-size: 2rem; } .prezzo span { color: var(--testo2); }
.piano ul { margin: 0 0 14px; padding-left: 20px; color: var(--testo2); }
.nastro { position: absolute; top: -12px; right: 16px; background: var(--grad); border-radius: 999px; padding: 3px 12px; font-size: .78rem; font-weight: 800; }

/* ---------- lettore e navigazione ---------- */
.lettore { position: fixed; left: 0; right: 0; bottom: calc(var(--nav) + env(safe-area-inset-bottom)); height: var(--lettore); z-index: 45;
  display: flex; align-items: center; gap: 10px; padding: 8px 12px; background: rgba(11,18,38,.97); border-top: 1px solid var(--linea2); backdrop-filter: blur(10px); }
.lettore .play { width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--grad); color: #fff; font-size: 1.1rem; cursor: pointer; flex: none; }
.l-info { flex: 1; min-width: 0; }
.l-titolo { font-weight: 700; font-size: .92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.l-info input { height: 22px; }
.l-tempo { font-size: .82rem; color: var(--testo2); font-variant-numeric: tabular-nums; }
.nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 46; display: grid; grid-template-columns: repeat(3, 1fr);
  height: calc(var(--nav) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
  background: rgba(6,12,28,.97); border-top: 1px solid var(--linea); backdrop-filter: blur(12px); }
.nav button { background: none; border: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  color: var(--testo3); font-size: .8rem; font-weight: 700; cursor: pointer; }
.nav button span:first-child { font-size: 1.35rem; }
.nav button[aria-current="page"] { color: #fff; }
.avviso { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--nav) + var(--lettore) + 16px); z-index: 60;
  background: var(--bg3); border: 1px solid var(--linea2); border-radius: 14px; padding: 12px 16px; max-width: 92vw; box-shadow: 0 12px 30px rgba(0,0,0,.5); }
.piede { text-align: center; color: var(--testo3); font-size: .85rem; padding: 10px 14px 24px; display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.piede a { color: var(--testo2); }

/* ---------- schermi larghi ---------- */
@media (min-width: 700px) {
  .riga2 { grid-template-columns: 1fr 1fr; }
  .piani { grid-template-columns: repeat(3, 1fr); }
  .nav { top: auto; max-width: 520px; margin: 0 auto 14px; border: 1px solid var(--linea); border-radius: 20px; left: 14px; right: 14px; }
  .lettore { max-width: 760px; margin: 0 auto; border: 1px solid var(--linea2); border-radius: 18px; bottom: calc(var(--nav) + 26px); left: 14px; right: 14px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }