/* =========================================================
   NextShift — Login estilo Apple
   Cargar DESPUÉS de tu CSS actual:
   <link rel="stylesheet" href="/assets/css/login-apple.css?v=1">
   Todo está acotado a .login-screen para no afectar otras páginas.
   ========================================================= */

.login-screen {
  --ap-blue: #0060C7;
  --ap-accent-bg: #0060C7;
  --ap-blue-press: #004FA6;
  --ap-bg: #F2F2F7;
  --ap-card: rgba(255, 255, 255, 0.82);
  --ap-field: #FFFFFF;
  --ap-label: #1C1C1E;
  --ap-secondary: #5E5E63;
  --ap-tertiary: #6E6E73;
  --ap-separator: rgba(60, 60, 67, 0.18);
  --ap-focus: rgba(0, 122, 255, 0.28);
  --ap-shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 40px rgba(0,0,0,.08);
  --ap-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
             system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  box-sizing: border-box;
  font-family: var(--ap-font);
  -webkit-font-smoothing: antialiased;
  color: var(--ap-label);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(0,122,255,.10), transparent 60%),
    radial-gradient(900px 500px at 110% 110%, rgba(88,86,214,.08), transparent 60%),
    var(--ap-bg);
}

@media (prefers-color-scheme: dark) {
  .login-screen {
    --ap-blue: #409CFF;
    --ap-accent-bg: #0A6CDB;
    --ap-blue-press: #6CB3FF;
    --ap-bg: #000000;
    --ap-card: rgba(28, 28, 30, 0.78);
    --ap-field: #2C2C2E;
    --ap-label: #F5F5F7;
    --ap-secondary: #A1A1A6;
    --ap-tertiary: #8E8E93;
    --ap-separator: rgba(84, 84, 88, 0.6);
    --ap-focus: rgba(10, 132, 255, 0.4);
    --ap-shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 40px rgba(0,0,0,.5);
  }
}

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

/* ---------- Tarjeta ---------- */
.login-screen .login-card {
  width: 100%;
  max-width: 380px;
  padding: 40px 32px 28px;
  border-radius: 22px;
  background: var(--ap-card);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  backdrop-filter: saturate(180%) blur(24px);
  border: 0.5px solid var(--ap-separator);
  box-shadow: var(--ap-shadow);
  text-align: center;
}

/* ---------- Encabezado ---------- */
.login-screen .login-logo {
  display: block;
  height: 56px;
  width: auto;
  max-width: 180px;
  margin: 0 auto 20px;
  object-fit: contain;
}

.login-screen h1 {
  margin: 0 0 6px;
  font-size: 26px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ap-label);
}

.login-screen h1 + p {
  margin: 0 auto 28px;
  max-width: 300px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--ap-secondary);
}

/* ---------- Campos ---------- */
.login-screen .field {
  position: relative;
  margin: 0 0 14px;
  text-align: left;
}

.login-screen .field-label {
  display: block;
  margin: 0 0 6px 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ap-secondary);
}

.login-screen .input {
  display: block;
  width: 100%;
  height: 48px;
  padding: 0 14px;
  font: inherit;
  font-size: 17px;             /* 17px evita el zoom automático en iPhone */
  color: var(--ap-label);
  background: var(--ap-field);
  border: 1px solid var(--ap-separator);
  border-radius: 12px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.login-screen .input::placeholder { color: var(--ap-tertiary); }

.login-screen .input:focus {
  border-color: var(--ap-blue);
  box-shadow: 0 0 0 4px var(--ap-focus);
}

/* Autocompletado del navegador sin fondo amarillo */
.login-screen .input:-webkit-autofill {
  -webkit-text-fill-color: var(--ap-label);
  box-shadow: 0 0 0 1000px var(--ap-field) inset;
  transition: background-color 9999s;
}

/* ---------- Ver contraseña ---------- */
.login-screen .pw-wrap {
  position: relative;
  display: block;
}

.login-screen .pw-wrap .input { padding-right: 52px; }

.login-screen .pw-ojo {
  position: absolute;
  top: 50%;
  right: 2px;
  transform: translateY(-50%);
  width: 44px;                 /* área táctil mínima Apple */
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ap-tertiary);
  cursor: pointer;
}

.login-screen .pw-ojo:hover { color: var(--ap-secondary); }
.login-screen .pw-ojo:focus-visible { outline: 2px solid var(--ap-blue); outline-offset: -4px; }

/* ---------- Olvidé mi clave ---------- */
.login-screen .login-olvide {
  display: inline-block;
  margin: 2px 0 20px;
  padding: 6px 4px;
  font-size: 15px;
  color: var(--ap-blue);
  text-decoration: none;
}

.login-screen .login-olvide:hover { text-decoration: underline; }

/* ---------- Botón principal ---------- */
.login-screen .btn-primary,
.login-screen .btn.btn-primary {
  display: block;
  width: 100%;
  height: 50px;
  padding: 0 20px;
  font: inherit;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  background: var(--ap-accent-bg);
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  transition: background-color .15s ease, transform .08s ease;
}

.login-screen .btn-primary:hover { background: var(--ap-accent-bg); filter: brightness(.92); }
.login-screen .btn-primary:active { transform: scale(0.985); }
.login-screen .btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--ap-focus); }
.login-screen .btn-primary:disabled { opacity: .5; cursor: default; }

/* ---------- Powered by ---------- */
.login-screen .powered-by {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 6px 10px;
  border-radius: 8px;
  text-decoration: none;
  opacity: .7;
  transition: opacity .15s ease;
}

.login-screen .powered-by:hover { opacity: 1; }

.login-screen .powered-by-label {
  font-size: 12px;
  color: var(--ap-tertiary);
}

.login-screen .powered-by-logo {
  height: 18px;
  width: auto;
}

@media (prefers-color-scheme: dark) {
  /* Si los logos son oscuros, se aclaran en modo oscuro. Bórralo si tus logos ya son claros. */
  .login-screen .powered-by-logo { filter: brightness(0) invert(1); }
}

/* ---------- Mensajes de error (si los muestras arriba del formulario) ---------- */
.login-screen .alert,
.login-screen .login-error {
  margin: 0 0 18px;
  padding: 12px 14px;
  font-size: 14px;
  text-align: left;
  color: #D70015;
  background: rgba(255, 59, 48, 0.1);
  border-radius: 10px;
}

/* ---------- Celular ---------- */
@media (max-width: 480px) {
  .login-screen { padding: 16px; align-items: flex-start; padding-top: 12vh; }
  .login-screen .login-card {
    padding: 32px 20px 24px;
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border: 0;
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-screen * { transition: none !important; }
}