/* Data room NVI — mondo "Almanacco Naturae" (DESIGN.md del vault). Angoli vivi, filetti, niente ombre. */
@font-face { font-family: "Girisuba"; src: url("../fonts/Girisuba.woff2") format("woff2"); font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../fonts/Montserrat-Light.woff2") format("woff2"); font-weight: 300; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../fonts/Montserrat-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../fonts/Montserrat-SemiBold.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --avorio: #FFFDFA; --carta: #F6F3EC; --verde: #41594C; --verde-profondo: #33473D; --verde-inchiostro: #22302A;
  --salvia: #9BCB9C; --nero: #1C1C1C; --notte-rialzo: #232523; --critico: #A4453A;
  --bg: var(--avorio); --fg: var(--nero); --fg-soft: #4A5650; --accent: var(--verde);
  --rule: rgba(28, 28, 28, .13); --rule-strong: rgba(28, 28, 28, .35);
  --serif: "Girisuba", Didot, "Bodoni 72", Georgia, serif;
  --sans: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: var(--nero); --fg: var(--avorio); --fg-soft: #B9C4BC; --accent: var(--salvia);
          --rule: rgba(255, 253, 250, .14); --rule-strong: rgba(255, 253, 250, .32); }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html { scrollbar-color: var(--verde) var(--bg); }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 clamp(.9375rem, 1.1vw, 1.0625rem)/1.55 var(--sans);
       font-variant-numeric: tabular-nums lining-nums; -webkit-font-smoothing: antialiased; }
::selection { background: var(--verde-profondo); color: var(--salvia); }
a { color: inherit; text-underline-offset: .22em; text-decoration-thickness: 1px; }
:focus-visible { outline: 2px solid var(--salvia); outline-offset: 3px; }
img { display: block; max-width: 100%; }

.label { font: 600 .66rem/1.2 var(--sans); letter-spacing: .24em; text-transform: uppercase; }
.serif { font-family: var(--serif); font-weight: 400; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Barra superiore delle pagine interne */
.bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px clamp(20px, 4vw, 48px);
       border-bottom: 1px solid var(--rule); }
.bar__logo img { height: 64px; width: auto; margin: -8px 0; }
.bar__logo .logo-dark { display: none; }
@media (prefers-color-scheme: dark) { .bar__logo .logo-light { display: none; } .bar__logo .logo-dark { display: block; } }
.bar__user { display: flex; align-items: center; gap: 20px; color: var(--fg-soft); font-size: .85rem; }

.btn { appearance: none; border: 1px solid var(--accent); background: var(--accent); color: var(--bg); font: 600 .72rem/1 var(--sans);
       letter-spacing: .2em; text-transform: uppercase; padding: 15px 26px; cursor: pointer; text-decoration: none; display: inline-block;
       transition: background-color .2s var(--ease), color .2s var(--ease); }
.btn:hover { background: transparent; color: var(--accent); }
.btn--ghost { background: transparent; color: var(--fg); border-color: var(--rule-strong); padding: 10px 16px; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Accesso */
.login { min-height: 100dvh; display: grid; grid-template-rows: auto 1fr; }
.login__main { display: grid; place-items: center; padding: 48px 20px 72px; }
.login__card { width: min(420px, 100%); }
.login__title { font: 400 clamp(2.4rem, 5vw, 3.4rem)/1.04 var(--serif); letter-spacing: -.015em; margin: 0 0 12px; }
.login__lead { color: var(--fg-soft); margin: 0 0 36px; }
.field { display: grid; gap: 8px; margin-bottom: 22px; }
.field input { font: 400 1rem/1.4 var(--sans); color: var(--fg); background: transparent; border: 0; border-bottom: 1px solid var(--rule-strong);
               padding: 10px 0; border-radius: 0; caret-color: var(--accent); }
.field input:focus { outline: none; border-bottom: 2px solid var(--accent); padding-bottom: 9px; }
.error { color: var(--critico); border-top: 1px solid currentColor; padding-top: 10px; margin: 0 0 22px; font-size: .9rem; }
@media (prefers-color-scheme: dark) { .error { color: #E0897F; } }
.login__foot { margin-top: 36px; color: var(--fg-soft); font-size: .8rem; }
.login__alt { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--rule); font-size: .9rem; }
.field__hint { color: var(--fg-soft); font-size: .76rem; }
.field--trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.btn:disabled { opacity: .45; cursor: progress; }
.btn:disabled:hover { background: var(--accent); color: var(--bg); }

/* Area documenti */
.area { width: min(1060px, 100%); margin: 0 auto; padding: 56px clamp(20px, 4vw, 32px) 96px; }
.area__head { display: grid; grid-template-columns: 7fr 5fr; gap: 32px; align-items: end; padding-bottom: 32px; border-bottom: 1px solid var(--rule-strong); }
.area__title { font: 400 clamp(2.6rem, 6vw, 4.5rem)/1.02 var(--serif); letter-spacing: -.02em; margin: 0; }
.area__note { color: var(--fg-soft); margin: 0; max-width: 46ch; }
.section { margin-top: 56px; }
.section__title { display: flex; align-items: center; gap: 16px; color: var(--accent); margin: 0 0 6px; }
.section__title::after { content: ""; flex: 1; border-top: 1px solid var(--rule); }
.doc { display: grid; grid-template-columns: 1fr auto; gap: 8px 32px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--rule); }
.doc__title { font-weight: 600; margin: 0; }
.doc__meta { color: var(--fg-soft); font-size: .82rem; margin: 2px 0 0; }
.doc__note { color: var(--fg-soft); font-size: .88rem; margin: 6px 0 0; max-width: 65ch; }
.doc__actions { display: flex; gap: 10px; }
.empty { padding: 40px 0; color: var(--fg-soft); }
.area__foot { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--fg-soft); font-size: .8rem; max-width: 72ch; }
.area__foot h2 { color: var(--accent); margin: 0 0 12px; }
.area__foot p { margin: 0 0 10px; }

@media (max-width: 820px) {
  .area__head { grid-template-columns: 1fr; }
  .doc { grid-template-columns: 1fr; }
  .bar__user span { display: none; }
}

/* Informativa */
.legal { width: min(720px, 100%); margin: 0 auto; padding: 56px clamp(20px, 4vw, 32px) 96px; }
.legal__title { font: 400 clamp(2.4rem, 5vw, 3.4rem)/1.04 var(--serif); letter-spacing: -.015em; margin: 0 0 12px; }
.legal__lead { color: var(--fg-soft); margin: 0 0 40px; }
.legal h2 { color: var(--accent); margin: 40px 0 12px; padding-top: 16px; border-top: 1px solid var(--rule); }
.legal p, .legal li { max-width: 68ch; }
.legal ul { padding-left: 1.1em; }
.legal li { margin-bottom: 8px; }
.legal__foot { margin-top: 48px; color: var(--fg-soft); font-size: .8rem; }

.page-error { min-height: 70dvh; display: grid; place-items: center; text-align: center; padding: 40px 20px; }
.page-error h1 { font: 400 clamp(2.4rem, 6vw, 4rem)/1.05 var(--serif); margin: 0 0 24px; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }