/* Il Pensatoio — la vista liquida.
   Nero profondo, luce che viene dal fondo, pulviscolo in deriva.
   I pensieri non sono in lista: galleggiano, e risalgono quando li chiami. */

:root {
  --nero: #04060a;
  --fondale: #070c14;
  --luce: #7fd4e8;
  --luce-calda: #e8c08a;
  --argento: #cfe3ea;
  --testo: #e8f1f4;
  --tenue: #7b8e99;
  --muto: #e8a85c;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body.liquido {
  margin: 0;
  background: var(--nero);
  color: var(--testo);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow: hidden;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

/* La profondità: luce che filtra dal basso, come guardando dentro l'acqua. */
.bacinella {
  position: fixed; inset: 0;
  background:
    radial-gradient(120% 80% at 50% 118%, #12303d 0%, #0a1620 38%, var(--nero) 72%),
    radial-gradient(60% 40% at 18% 8%, #130f1e 0%, transparent 60%);
}
.bacinella::after {            /* grana, perché il nero puro sembra finto */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  opacity: .035; mix-blend-mode: screen;
  background-image: radial-gradient(#fff 0.5px, transparent 0.6px);
  background-size: 3px 3px;
}

canvas.polvere { position: fixed; inset: 0; pointer-events: none; }

/* -------------------------------------------------------------- pensieri */
.sciame { position: fixed; inset: 0; }

.mote {
  position: absolute;
  max-width: min(44vw, 310px);
  padding: 9px 15px;
  border-radius: 999px;
  background: rgba(14, 28, 38, .62);
  border: 1px solid rgba(127, 212, 232, .16);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  color: var(--argento);
  font-size: 14px; line-height: 1.35;
  cursor: pointer;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  box-shadow: 0 0 22px rgba(0,0,0,.5), inset 0 0 18px rgba(127,212,232,.05);
  transition: opacity .7s ease, filter .7s ease, border-color .4s, background .4s,
              transform .55s cubic-bezier(.2,.8,.25,1);
  animation: deriva var(--dur, 22s) ease-in-out var(--rit, 0s) infinite alternate;
  will-change: transform, opacity;
  touch-action: manipulation;
}
.mote:hover, .mote:focus-visible {
  border-color: rgba(127, 212, 232, .5);
  background: rgba(20, 42, 54, .82);
  outline: none;
}

@keyframes deriva {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(var(--dx, 10px), var(--dy, -16px), 0); }
}

/* Chi chiede qualcosa è più vicino alla superficie e pulsa. */
.mote.muto {
  border-color: rgba(232, 168, 92, .42);
  color: #f6e3c8;
  box-shadow: 0 0 26px rgba(232,168,92,.14), inset 0 0 20px rgba(232,168,92,.07);
}
.mote.muto::before {
  content: "◦ "; color: var(--muto); font-weight: 700;
}
.mote.muto { animation: deriva var(--dur,22s) ease-in-out var(--rit,0s) infinite alternate,
                        pulsa 3.4s ease-in-out infinite; }
@keyframes pulsa {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.32); }
}

/* Stati durante la ricerca: chi c'entra risale, il resto affonda. */
.mote.risalito {
  opacity: 1;
  border-color: rgba(127, 212, 232, .62);
  background: rgba(22, 48, 60, .9);
  z-index: 3;
}
.mote.affondato { opacity: .12; filter: blur(2.5px) saturate(.4); z-index: 1; }

/* -------------------------------------------------------- la bolla aperta */
.aperta {
  position: fixed; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 520px); max-height: 76vh; overflow: auto;
  background: rgba(10, 22, 31, .94);
  border: 1px solid rgba(127,212,232,.26);
  border-radius: 18px; padding: 22px 24px;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 30px 90px rgba(0,0,0,.75), 0 0 60px rgba(127,212,232,.07);
  z-index: 40;
}
.aperta h2 { margin: 0 0 10px; font-size: 19px; line-height: 1.3; font-weight: 600; }
.aperta .sue {
  font-style: italic; color: var(--luce); font-size: 15px;
  border-left: 2px solid rgba(127,212,232,.3); padding-left: 12px; margin: 12px 0;
}
.aperta .perche { color: var(--tenue); font-size: 14px; margin: 12px 0; }
.aperta .segni { display: flex; gap: 7px; flex-wrap: wrap; margin: 14px 0 0; }
.aperta .azioni { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 20px; }

.velo {
  position: fixed; inset: 0; z-index: 30;
  background: rgba(2,5,9,.72); backdrop-filter: blur(3px);
}

.segno {
  font-size: 11px; letter-spacing: .04em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 999px;
  background: rgba(127,212,232,.1); color: var(--luce);
  border: 1px solid rgba(127,212,232,.2);
}
.segno.topic { background: none; border-color: transparent; color: var(--tenue); text-transform: none; }

/* ------------------------------------------------------------- il campo */
.superficie {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  padding: 22px 18px calc(22px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(4,6,10,.95) 10%, rgba(4,6,10,.6) 55%, transparent);
  pointer-events: none;
}
.superficie > * { pointer-events: auto; }
.campo { max-width: 620px; margin: 0 auto; position: relative; }

.campo input {
  width: 100%; padding: 15px 18px 15px 44px;
  font: inherit; font-size: 17px; color: var(--testo);
  background: rgba(10, 22, 31, .78);
  border: 1px solid rgba(127,212,232,.2);
  border-radius: 999px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 10px 40px rgba(0,0,0,.6), inset 0 0 22px rgba(127,212,232,.04);
  transition: border-color .3s, box-shadow .3s;
}
.campo input::placeholder { color: var(--tenue); }
.campo input:focus {
  outline: none;
  border-color: rgba(127,212,232,.55);
  box-shadow: 0 10px 46px rgba(0,0,0,.7), 0 0 32px rgba(127,212,232,.14);
}
.campo .goccia {
  position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  color: var(--luce); font-size: 15px; opacity: .75; pointer-events: none;
}
.suggerimento {
  text-align: center; font-size: 12.5px; color: var(--tenue);
  margin: 11px 0 0; min-height: 17px; transition: color .3s;
}
.suggerimento b { color: var(--luce-calda); font-weight: 600; }

/* ----------------------------------------------------------- intestazione */
.cima {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; gap: 14px;
  padding: 15px 18px calc(15px + env(safe-area-inset-top));
  font-size: 12.5px; color: var(--tenue);
  background: linear-gradient(to bottom, rgba(4,6,10,.8), transparent);
  pointer-events: none;
}
.cima > * { pointer-events: auto; }
.cima .nome { font-weight: 600; color: var(--argento); letter-spacing: .02em; }
.cima .nome b { color: var(--luce); font-weight: 600; }
.cima nav { margin-left: auto; display: flex; gap: 15px; align-items: center; }
.cima a, .cima button {
  color: var(--tenue); text-decoration: none; font-size: 12.5px;
  background: none; border: none; padding: 0; cursor: pointer; font-family: inherit;
}
.cima a:hover, .cima button:hover { color: var(--luce); }

/* --------------------------------------------------------------- bottoni */
.bottone {
  font: inherit; font-size: 13.5px; padding: 9px 16px; cursor: pointer;
  border-radius: 999px; text-decoration: none; display: inline-block;
  border: 1px solid rgba(127,212,232,.26);
  background: rgba(127,212,232,.07); color: var(--argento);
  transition: background .25s, border-color .25s;
}
.bottone:hover { background: rgba(127,212,232,.16); border-color: rgba(127,212,232,.5); }
.bottone.chiaro { background: rgba(232,168,92,.14); border-color: rgba(232,168,92,.4); color: #f7e4ca; }

.dueparole { display: flex; gap: 8px; margin-top: 16px; }
.dueparole input {
  flex: 1; min-width: 0; padding: 11px 15px; font: inherit; font-size: 15px;
  color: var(--testo); background: rgba(6,14,20,.8);
  border: 1px solid rgba(232,168,92,.3); border-radius: 999px;
}
.dueparole input:focus { outline: none; border-color: rgba(232,168,92,.7); }

.vuoto-sciame {
  position: fixed; left: 50%; top: 44%; transform: translate(-50%,-50%);
  text-align: center; color: var(--tenue); font-size: 15px; max-width: 320px;
}

/* Chi ha chiesto meno movimento, ne riceve meno. */
@media (prefers-reduced-motion: reduce) {
  .mote { animation: none !important; transition: opacity .3s, filter .3s; }
  canvas.polvere { display: none; }
}

@media (max-width: 620px) {
  .mote { max-width: 76vw; font-size: 13.5px; padding: 8px 13px; }
  .aperta { width: 94vw; padding: 18px; border-radius: 16px; }
}

/* ======================================================= la soglia (login)
   La porta del Pensatoio. Stesso fondo liquido, stesso pulviscolo: entrare
   deve somigliare a entrare, non a compilare un modulo. */

body.soglia { overflow: auto; display: grid; place-items: center; min-height: 100dvh; }

.soglia-corpo {
  position: relative; z-index: 2;
  width: min(92vw, 380px);
  padding: 34px 32px 36px;
  background: rgba(10, 22, 31, .72);
  border: 1px solid rgba(127, 212, 232, .18);
  border-radius: 22px;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 34px 90px rgba(0,0,0,.7), 0 0 70px rgba(127,212,232,.06),
              inset 0 1px 0 rgba(255,255,255,.04);
}

.insegna {
  margin: 0; font-size: 30px; font-weight: 600; letter-spacing: -.012em;
  color: var(--argento);
}
.insegna b { color: var(--luce); font-weight: 600; }
.sottotitolo { margin: 7px 0 28px; font-size: 14px; color: var(--tenue); }

.etichetta-soglia {
  display: block; margin: 0 0 7px; font-size: 11.5px; font-weight: 600;
  letter-spacing: .07em; text-transform: uppercase; color: var(--tenue);
}

/* Un'unica regola per OGNI campo: il bug di prima era che password
   non era nell'elenco e cadeva sul default del browser. */
.campo-soglia {
  display: block; width: 100%; margin: 0 0 20px;
  padding: 13px 17px;
  font: inherit; font-size: 16px;            /* 16px: sotto, iOS zooma */
  color: var(--testo);
  background: rgba(5, 12, 18, .82);
  border: 1px solid rgba(127, 212, 232, .2);
  border-radius: 12px;
  transition: border-color .25s, box-shadow .25s, background .25s;
  -webkit-appearance: none; appearance: none;
}
.campo-soglia:focus {
  outline: none;
  background: rgba(8, 18, 26, .9);
  border-color: rgba(127, 212, 232, .62);
  box-shadow: 0 0 0 3px rgba(127, 212, 232, .1);
}
.campo-soglia:-webkit-autofill,
.campo-soglia:-webkit-autofill:focus {
  /* Chrome ridipinge di giallo i campi autocompletati: lo si batte solo
     con un'ombra interna enorme, non con background-color. */
  -webkit-text-fill-color: var(--testo);
  -webkit-box-shadow: 0 0 0 100px rgba(8, 18, 26, .96) inset;
  caret-color: var(--testo);
}

.bottone.pieno {
  width: 100%; margin-top: 4px; padding: 13px 18px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  color: #04171d; background: var(--luce);
  border: 1px solid var(--luce); border-radius: 12px;
  transition: filter .2s, box-shadow .2s;
}
.bottone.pieno:hover { filter: brightness(1.08); box-shadow: 0 0 28px rgba(127,212,232,.26); }
.bottone.pieno:active { filter: brightness(.95); }

.avviso-soglia {
  margin: 0 0 20px; padding: 11px 15px; font-size: 13.5px;
  border-radius: 11px; border: 1px solid transparent;
}
.avviso-soglia.errore {
  color: #f3b4a8; background: rgba(232, 144, 127, .1);
  border-color: rgba(232, 144, 127, .28);
}
.avviso-soglia.ok {
  color: #a8e6cd; background: rgba(143, 224, 192, .1);
  border-color: rgba(143, 224, 192, .28);
}

@media (max-width: 620px) {
  .soglia-corpo { padding: 28px 22px 30px; border-radius: 18px; }
  .insegna { font-size: 26px; }
}

/* --------------------------------------------------------------- passkey */
.bottone.chiave {
  margin-bottom: 0;
  background: rgba(127, 212, 232, .1);
  color: var(--argento);
  border-color: rgba(127, 212, 232, .34);
}
.bottone.chiave:hover { background: rgba(127, 212, 232, .2); box-shadow: none; }
.bottone.chiave span { opacity: .8; margin-right: 3px; }
.bottone.chiave[disabled] { opacity: .6; cursor: progress; }

/* "oppure" con una linea per lato, senza tabelle né pseudo-trucchi illeggibili */
.separa {
  display: flex; align-items: center; gap: 12px;
  margin: 20px 0; color: var(--tenue); font-size: 12px;
  text-transform: uppercase; letter-spacing: .08em;
}
.separa::before, .separa::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(to right, transparent, rgba(127,212,232,.22), transparent);
}