/* Disposició mòbil primer (Pla §7.3; NFR-004). Mòbil < 768 px; ordinador a partir de 768 px.
   Evita el desplaçament horitzontal: `min-inline-size: 0` als fills de graella/flex, cap amplada
   fixa en px als contenidors i `overflow-wrap: anywhere` (a base.css) per a noms i correus. */

#app {
  min-inline-size: 0;
}

.screen {
  min-inline-size: 0;
}

.screen > *,
.login-panel > *,
.notice > * {
  min-inline-size: 0;
}

/* ---------- Accés (login) ---------- */

/* 320–767: una columna, mosaic a dalt (~28 % de l'alçada) i formulari a sota. */
.screen-login {
  display: grid;
  grid-template-rows: minmax(9rem, 28vh) 1fr;
  grid-template-rows: minmax(9rem, 28dvh) 1fr;
  min-block-size: 100vh;
  min-block-size: 100dvh;
}

.login-art {
  display: grid;
  place-items: center;
  min-block-size: 0;
  overflow: hidden;
}

.login-art > * {
  grid-area: 1 / 1;
  min-inline-size: 0;
  min-block-size: 0;
}

.login-panel {
  display: grid;
  align-content: start;
  gap: var(--space-5);
  inline-size: 100%;
  padding-block: var(--space-5) max(var(--space-5), env(safe-area-inset-bottom));
  padding-inline: max(var(--space-4), env(safe-area-inset-left)) max(var(--space-4), env(safe-area-inset-right));
}

.login-panel > * {
  inline-size: 100%;
  max-inline-size: 28rem;
  margin-inline: auto;
}

.login-form {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 480px) {
  .login-panel {
    padding-inline: max(var(--space-5), env(safe-area-inset-left)) max(var(--space-5), env(safe-area-inset-right));
  }
}

/* 768–1279: dues columnes, mosaic 42 %. */
@media (min-width: 768px) {
  .screen-login {
    grid-template-columns: 42% 1fr;
    grid-template-rows: 1fr;
  }

  .login-art {
    min-block-size: 100vh;
    min-block-size: 100dvh;
  }

  .login-panel {
    align-content: center;
    padding-block: var(--space-6);
    padding-inline: clamp(1.5rem, 4vw, 4rem);
  }
}

/* 1280–2560: mosaic 50 %; a 1920 o més el formulari es queda a 26 rem. */
@media (min-width: 1280px) {
  .screen-login {
    grid-template-columns: 50% 1fr;
  }
}

@media (min-width: 1920px) {
  .login-panel > * {
    max-inline-size: 26rem;
  }
}

/* ---------- Pantalles centrades sense navegació (notice, loading, canvi obligatori) ---------- */

.screen-notice {
  display: grid;
  place-items: center;
  min-block-size: 100vh;
  min-block-size: 100dvh;
  padding-block: max(var(--space-5), env(safe-area-inset-top)) max(var(--space-5), env(safe-area-inset-bottom));
  padding-inline: max(var(--space-4), env(safe-area-inset-left)) max(var(--space-4), env(safe-area-inset-right));
}

.notice {
  display: grid;
  gap: var(--space-4);
  justify-items: start;
  inline-size: 100%;
  max-inline-size: 28rem;
}

@media (min-width: 480px) {
  .screen-notice {
    padding-inline: max(var(--space-5), env(safe-area-inset-left)) max(var(--space-5), env(safe-area-inset-right));
  }
}

/* ---------- Part privada: marc amb navegació (Pla §7.3, §7.4) ---------- */

/* < 768 px: barra inferior enganxada a baix; és al flux (no tapa mai el contingut) i,
   amb el text ampliat, els elements baixen a una segona fila en lloc d'aixafar-se. */
.shell {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-block-size: 100vh;
  min-block-size: 100dvh;
}

.shell-main {
  grid-row: 1;
  min-inline-size: 0;
  padding-block: var(--space-5) var(--space-6);
  padding-inline: max(var(--space-4), env(safe-area-inset-left)) max(var(--space-4), env(safe-area-inset-right));
}

.shell-main > * {
  min-inline-size: 0;
}

.nav {
  grid-row: 2;
  position: sticky;
  inset-block-end: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  min-inline-size: 0;
  background: var(--surface);
  border-block-start: 1px solid var(--line);
  padding-block-end: env(safe-area-inset-bottom);
  padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
}

.nav-brand,
.nav-person {
  display: none;
}

.nav-list {
  display: flex;
  flex: 3 1 15rem;
  min-inline-size: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list li {
  flex: 1 1 0;
  min-inline-size: 0;
}

.nav-foot {
  display: flex;
  flex: 1 1 5rem;
  min-inline-size: 0;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  inline-size: 100%;
  min-inline-size: 44px;
  min-block-size: 3.5rem;
  margin: 0;
  padding: var(--space-2) var(--space-1);
  border: 0;
  border-block-start: 3px solid transparent;
  background: transparent;
  color: var(--ink-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.nav-item:focus-visible {
  outline-offset: -4px;
}

.nav-label {
  min-inline-size: 0;
  overflow-wrap: anywhere;
}

/* La pàgina actual no es marca només amb color: text en negreta i filet. */
.nav-item[aria-current='page'] {
  border-block-start-color: var(--brand);
  color: var(--brand);
  font-weight: 700;
}

/* ≥ 768 px: menú lateral de 14 rem (16 rem a ≥ 1280). */
@media (min-width: 768px) {
  .shell {
    grid-template-columns: 14rem minmax(0, 1fr);
    grid-template-rows: auto;
  }

  .nav {
    grid-column: 1;
    grid-row: 1;
    inset-block-start: 0;
    flex-direction: column;
    flex-wrap: nowrap;
    block-size: 100vh;
    block-size: 100dvh;
    overflow-y: auto;
    padding: var(--space-5) var(--space-4);
    border-block-start: 0;
    border-inline-end: 1px solid var(--line);
  }

  .shell-main {
    grid-column: 2;
    grid-row: 1;
    padding: clamp(1.5rem, 4vw, 4rem);
  }

  /* Cap contingut s'estira més enllà de la seva mesura: columna de lectura de 44 rem, centrada. */
  .shell-main > * {
    inline-size: 100%;
    max-inline-size: 44rem;
    margin-inline: auto;
  }

  .nav-brand {
    display: block;
    align-self: flex-start;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-md);
  }

  .nav-list {
    flex: 0 0 auto;
    flex-direction: column;
    gap: var(--space-1);
    margin-block-start: var(--space-6);
  }

  .nav-foot {
    flex: 0 0 auto;
    flex-direction: column;
    gap: var(--space-3);
    margin-block-start: auto;
    padding-block-start: var(--space-4);
    border-block-start: 1px solid var(--line);
  }

  .nav-person {
    display: grid;
    padding-inline: var(--space-3);
  }

  .nav-name {
    font-weight: 700;
  }

  .nav-email {
    color: var(--ink-muted);
    font-size: var(--text-sm);
  }

  .nav-item {
    flex-direction: row;
    justify-content: flex-start;
    gap: var(--space-3);
    min-block-size: 3rem;
    padding: var(--space-2) var(--space-3);
    border-block-start: 0;
    border-inline-start: 3px solid transparent;
    border-radius: var(--radius);
    font-size: var(--text-base);
    text-align: start;
  }

  .nav-item[aria-current='page'] {
    border-inline-start-color: var(--brand);
    background: var(--paper);
  }
}

@media (min-width: 1280px) {
  .shell {
    grid-template-columns: 16rem minmax(0, 1fr);
  }
}