/* ==========================================================================
   «Accés intern» (vistas/acces/login.php). Sin Bootstrap: la letra y la
   paleta de la portada. Debajo de la cabecera común, dos columnas: el panel
   oscuro con la trama y el formulario.
   ========================================================================== */
:root {
  --blau-upc: #007bc0;
  --blau-fosc: #006aa7;
  --blau-clar: #3fa9e0;
  --blau-cel: #7cc4ec;
  --nit: #06131f;
  --fons: #f5f7f9;
  --vora: #d5dce3;
  --tinta: #0f1f2e;
  --tinta-suau: #556270;
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--fons);
  color: var(--tinta);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, p { margin: 0; }

.acces {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
}

/* ----- El panel oscuro ----- */
.acces-lateral {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: clamp(40px, 6vw, 72px);
  background:
    radial-gradient(70% 60% at 90% 20%, rgba(0, 123, 192, 0.30), transparent 70%),
    var(--nit);
  color: #ffffff;
}

.acces-trama {
  position: absolute;
  top: 8%;
  right: -45%;
  width: 150%;
  height: auto;
  opacity: 0.8;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 55%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 55%);
  pointer-events: none;
  user-select: none;
}

.acces-lateral-dins { position: relative; max-width: 26rem; }

.acces-marca {
  margin-bottom: 14px;
  color: var(--blau-cel);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.acces-lateral h1 {
  font-size: clamp(2.5rem, 4.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.035em;
}

.acces-lema {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.55;
}

/* ----- El formulario ----- */
.acces-cos {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(32px, 6vw, 72px) 16px;
}

.acces-caixa {
  width: 100%;
  max-width: 400px;
}

.acces-caixa h2 {
  margin-bottom: 20px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

/* No es la cuenta de la UPC */
.acces-nota {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  padding: 14px 16px;
  border: 1px solid #cfe5f3;
  border-left: 3px solid var(--blau-upc);
  border-radius: 6px;
  background: #eef6fb;
  color: #25425a;
  font-size: 14.5px;
  line-height: 1.5;
}
.acces-nota svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  color: var(--blau-upc);
}
.acces-nota strong { color: var(--tinta); }

.acces-error {
  margin-bottom: 20px;
  padding: 12px 16px;
  border: 1px solid #f1c4c4;
  border-left: 3px solid #c62828;
  border-radius: 6px;
  background: #fdf1f1;
  color: #8e1c1c;
  font-size: 14.5px;
}

.acces-form label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
}

.acces-form input[type="text"],
.acces-form input[type="password"] {
  display: block;
  width: 100%;
  height: 46px;
  margin: 0 0 18px;
  padding: 0 14px;
  border: 1px solid var(--vora);
  border-radius: 8px;
  background: #ffffff;
  color: var(--tinta);
  font: inherit;
  font-size: 15px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.acces-form input:focus {
  outline: none;
  border-color: var(--blau-upc);
  box-shadow: 0 0 0 3px rgba(0, 123, 192, 0.16);
}

/* La contraseña, con «Mostra» dentro del campo */
.acces-contrasenya {
  position: relative;
  display: block;
}
.acces-contrasenya input[type="password"],
.acces-contrasenya input[type="text"] { padding-right: 84px; }
.acces-mostra {
  position: absolute;
  top: 7px;
  right: 7px;
  height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--blau-upc);
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
}
.acces-mostra:hover { background: #eef6fb; }
.acces-mostra:focus-visible { outline: 2px solid var(--blau-upc); outline-offset: 1px; }

.acces-majuscules {
  margin: -10px 0 16px;
  color: #9a5b00;
  font-size: 13.5px;
  font-weight: 500;
}

.acces-boto {
  display: block;
  width: 100%;
  height: 48px;
  margin: 6px 0 0;
  border: 1px solid var(--blau-upc);
  border-radius: 8px;
  background: var(--blau-upc);
  color: #ffffff;
  font: inherit;
  font-size: 15.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.acces-boto:hover { background: var(--blau-fosc); border-color: var(--blau-fosc); }
.acces-boto:focus-visible { outline: 2px solid var(--tinta); outline-offset: 2px; }

.acces-boto--secundari {
  border-color: var(--vora);
  background: #ffffff;
  color: var(--tinta);
}
.acces-boto--secundari:hover { background: #f0f3f6; border-color: #c3ccd5; }

.acces-visitant {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid #e3e8ee;
  color: var(--tinta-suau);
  font-size: 14px;
}
.acces-visitant a {
  color: var(--blau-upc);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.acces-visitant a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ----- Con la sesión iniciada ----- */
.acces-estat {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: #1b7a3d;
  font-size: 14px;
  font-weight: 600;
}
.acces-estat span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22a352;
  box-shadow: 0 0 0 3px rgba(34, 163, 82, 0.18);
}

.acces-eines {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}
.acces-eines a {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
  padding: 16px 18px;
  border: 1px solid #e3e8ee;
  border-radius: 10px;
  background: #ffffff;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.acces-eines a:hover {
  border-color: var(--blau-upc);
  box-shadow: 0 6px 18px rgba(16, 24, 40, 0.08);
}
.acces-eina-text { flex: 1; }
.acces-eina-nom {
  display: block;
  font-size: 17px;
  font-weight: 650;
}
.acces-eina-desc {
  display: block;
  margin-top: 2px;
  color: var(--tinta-suau);
  font-size: 14px;
}
.acces-fletxa {
  color: var(--blau-upc);
  font-size: 18px;
  transition: transform 0.2s ease;
}
.acces-eines a:hover .acces-fletxa { transform: translateX(4px); }

/* ----- Tableta y teléfono: el panel oscuro pasa arriba, más bajo ----- */
@media (max-width: 860px) {
  .acces { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; }
  .acces-lateral { padding: 36px 16px 32px; }
  .acces-trama { top: -30%; right: -60%; width: 160%; opacity: 0.5; }
  .acces-lema { margin-top: 10px; font-size: 15.5px; }
  .acces-cos { align-items: flex-start; padding: 32px 16px 48px; }
}

@media (prefers-reduced-motion: reduce) {
  .acces-fletxa { transition: none; }
}