/* ============================================================
   Estilos de las pantallas de acceso.
   Compartido por login.php, recuperar.php y restablecer.php:
   las tres usan la misma tarjeta sobre el fondo animado, asi
   que el CSS vive aqui en vez de repetirse en cada archivo.
   ============================================================ */

:root {
  --pnp-dark:    #061209;
  --pnp-navy:    #0b2410;
  --pnp-blue:    #14441e;
  --pnp-mid:     #1e6b2e;
  --pnp-gold:    #d4a820;
  --pnp-gold2:   #f5d040;
  --pnp-yellow:  #f7e04a;
  --pnp-white:   #ffffff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  min-height: 100vh;
  font-family: 'Inter', 'Segoe UI', sans-serif;
  overflow: hidden;
  /* Degradado institucional: verde profundo arriba, dorado calido en el horizonte.
     El canvas dibuja el mismo degradado; esto queda como respaldo. */
  background: linear-gradient(180deg,
    #05170a 0%, #0b2f16 28%, #1a5c29 52%,
    #6d6a1e 74%, #b8890f 90%, #d9a417 100%);
}

/* ── CANVAS PARTÍCULAS ─────────────────────────── */
#canvas-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
}

/* ── OVERLAY GRADIENTE ─────────────────────────── */
/* Vineta suave: oscurece bordes y esquinas para que el panel de acceso
   y el escudo mantengan contraste sobre el horizonte dorado. */
.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 50% 45%, transparent 0%, rgba(4,14,7,0.30) 75%, rgba(4,14,7,0.62) 100%),
    linear-gradient(180deg, rgba(4,14,7,0.45) 0%, transparent 30%, transparent 62%, rgba(4,14,7,0.30) 100%);
}

/* ── LAYOUT PRINCIPAL ──────────────────────────── */
.page-wrap {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  align-items: stretch;
}

/* ── PANEL IZQUIERDO (branding) ────────────────── */
.brand-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 48px;
  animation: slideInLeft .9s cubic-bezier(.22,1,.36,1) both;
}

.escudo-wrap {
  position: relative;
  width: 130px;
  height: 130px;
  margin-bottom: 32px;
}

/* Anillo animado externo */
.ring {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2.5px solid transparent;
  border-top-color: var(--pnp-gold);
  border-right-color: var(--pnp-gold2);
  animation: spin 3s linear infinite;
}
.ring2 {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  border-bottom-color: rgba(212,168,32,0.4);
  border-left-color:  rgba(212,168,32,0.2);
  animation: spin 6s linear infinite reverse;
}

/* Logo institucional */
.escudo-circle {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.escudo-circle img {
  width: 148px;
  height: 148px;
  object-fit: contain;
  filter: drop-shadow(0 4px 18px rgba(0,0,0,0.7));
  animation: pulse-glow-img 3s ease-in-out infinite;
}

.brand-title {
  color: var(--pnp-white);
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-align: center;
  line-height: 1.2;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
  margin-bottom: 10px;
}

.brand-title span {
  color: var(--pnp-gold);
}

.brand-sub {
  color: rgba(255,255,255,0.65);
  font-size: 0.82rem;
  font-weight: 400;
  text-align: center;
  letter-spacing: 0.3px;
  max-width: 320px;
  line-height: 1.6;
  margin-bottom: 36px;
}

/* Banda tricolor PNP */
.tricolor {
  display: flex;
  width: 180px;
  height: 5px;
  border-radius: 3px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}
.tricolor div { flex: 1; }
.tc-green { background: var(--pnp-mid); }
.tc-gold  { background: var(--pnp-gold); }
.tc-yellow{ background: var(--pnp-yellow); }

/* Lema */
.brand-lema {
  margin-top: 28px;
  color: rgba(255,255,255,0.35);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-align: center;
}

/* ── DIVISOR VERTICAL ──────────────────────────── */
.divider {
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(212,168,32,0.4), rgba(212,168,32,0.4), transparent);
  margin: 60px 0;
  flex-shrink: 0;
}

/* ── PANEL DERECHO (formulario) ────────────────── */
.form-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 48px;
  animation: slideInRight .9s cubic-bezier(.22,1,.36,1) both;
  animation-delay: .1s;
}

.login-card {
  width: 100%;
  max-width: 390px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  padding: 44px 40px 36px;
  box-shadow:
    0 32px 80px rgba(0,0,0,0.55),
    inset 0 1px 0 rgba(255,255,255,0.1);
}

.card-title {
  color: var(--pnp-white);
  font-size: 1.15rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.card-subtitle {
  color: rgba(255,255,255,0.45);
  font-size: 0.78rem;
  text-align: center;
  margin-bottom: 32px;
}

/* Separador dorado */
.gold-line {
  height: 2px;
  background: linear-gradient(to right, transparent, var(--pnp-gold), transparent);
  border-radius: 1px;
  margin-bottom: 32px;
  opacity: 0.7;
}

/* Labels */
.form-label {
  color: rgba(255,255,255,0.75);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-bottom: 7px;
}

/* Inputs */
.field-wrap {
  position: relative;
  margin-bottom: 20px;
}

.field-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(212,168,32,0.7);
  font-size: 0.88rem;
  pointer-events: none;
  transition: color .2s;
  z-index: 2;
}

.form-control {
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  color: var(--pnp-white);
  padding: 13px 16px 13px 42px;
  font-size: 0.92rem;
  width: 100%;
  transition: border-color .25s, background .25s, box-shadow .25s;
  outline: none;
}

.form-control::placeholder { color: rgba(255,255,255,0.3); }

.form-control:focus {
  background: rgba(255,255,255,0.11);
  border-color: var(--pnp-gold2);
  box-shadow: 0 0 0 3px rgba(212,168,32,0.22);
}

.form-control:focus + .field-icon,
.field-wrap:focus-within .field-icon { color: var(--pnp-gold); }

/* Toggle contraseña */
.toggle-pass {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.35);
  cursor: pointer;
  padding: 0;
  font-size: 0.88rem;
  transition: color .2s;
  z-index: 2;
}
.toggle-pass:hover { color: var(--pnp-gold); }

/* Error */
.error-box {
  background: rgba(179,27,27,0.18);
  border: 1.5px solid rgba(179,27,27,0.5);
  border-radius: 10px;
  color: #ffaaaa;
  font-size: 0.83rem;
  padding: 11px 15px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 9px;
  animation: shake .35s ease;
}

/* Aviso neutro: mismo formato que el error pero en verde institucional.
   Lo usa recuperar.php para la respuesta que no revela si el correo existe. */
.info-box {
  background: rgba(30,107,46,0.20);
  border: 1.5px solid rgba(30,107,46,0.55);
  border-radius: 10px;
  color: #b9e6c4;
  font-size: 0.83rem;
  line-height: 1.5;
  padding: 11px 15px;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
}
.info-box i { margin-top: 2px; }

/* Botón ingresar */
.btn-login {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--pnp-gold) 0%, var(--pnp-gold2) 50%, #c9940a 100%);
  color: var(--pnp-dark);
  border: none;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s, filter .18s;
  box-shadow: 0 6px 24px rgba(212,168,32,0.4);
  position: relative;
  overflow: hidden;
  margin-top: 8px;
  text-transform: uppercase;
}

.btn-login::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.25) 0%, transparent 60%);
  border-radius: 12px;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(212,168,32,0.55);
  filter: brightness(1.05);
}

.btn-login:active { transform: translateY(0); }

/* Loading spinner en el botón */
.btn-login .spinner {
  display: none;
  width: 16px; height: 16px;
  border: 2.5px solid rgba(7,17,31,0.3);
  border-top-color: var(--pnp-dark);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

.btn-login.loading .spinner { display: inline-block; }
.btn-login.loading .btn-text { opacity: 0.7; }

/* ── ENLACES SECUNDARIOS ───────────────────────── */
/* "¿Olvidaste tu contraseña?" bajo el campo de clave y el "volver" de
   las pantallas de recuperacion. Cabe en el margen que ya dejaba
   .field-wrap, asi que no desplaza nada de la tarjeta. */
.forgot-wrap {
  display: flex;
  justify-content: flex-end;
  margin-top: -8px;
  margin-bottom: 4px;
}

.forgot-wrap-center {
  justify-content: center;
  margin-top: 18px;
  margin-bottom: 0;
}

.forgot-link {
  color: rgba(255,255,255,0.45);
  font-size: 0.78rem;
  text-decoration: none;
  transition: color .2s;
}

.forgot-link:hover,
.forgot-link:focus-visible { color: var(--pnp-gold); }

/* Footer */
.login-footer {
  text-align: center;
  margin-top: 28px;
  color: rgba(255,255,255,0.3);
  font-size: 0.72rem;
  letter-spacing: 0.5px;
}

/* ── ANIMACIONES ───────────────────────────────── */
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 4px rgba(212,168,32,0.25), 0 0 40px rgba(212,168,32,0.35), 0 16px 48px rgba(0,0,0,0.6); }
  50%       { box-shadow: 0 0 0 8px rgba(212,168,32,0.18), 0 0 60px rgba(212,168,32,0.5),  0 16px 48px rgba(0,0,0,0.6); }
}
@keyframes pulse-glow-img {
  0%, 100% { filter: drop-shadow(0 4px 18px rgba(0,0,0,0.7)) drop-shadow(0 0 12px rgba(212,168,32,0.3)); }
  50%       { filter: drop-shadow(0 4px 18px rgba(0,0,0,0.7)) drop-shadow(0 0 28px rgba(212,168,32,0.6)); }
}
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-6px); }
  40%     { transform: translateX(6px); }
  60%     { transform: translateX(-4px); }
  80%     { transform: translateX(4px); }
}
@keyframes floatUp {
  0%   { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

.login-card { animation: floatUp .7s cubic-bezier(.22,1,.36,1) .25s both; }

/* ── RESPONSIVE ────────────────────────────────── */
@media (max-width: 768px) {
  body { overflow: auto; }
  .page-wrap { flex-direction: column; align-items: center; justify-content: flex-start; }
  .brand-panel { padding: 48px 28px 24px; animation-name: slideInLeft; }
  .divider { width: 200px; height: 1px; margin: 0 0 8px; background: linear-gradient(to right, transparent, rgba(212,168,32,0.4), transparent); }
  .form-panel { padding: 24px 20px 48px; }
  .login-card { padding: 36px 28px 28px; }
  .escudo-wrap { width: 100px; height: 100px; }
  .escudo-circle { width: 100px; height: 100px; }
  .escudo-circle img { width: 115px; height: 115px; }
  .brand-title { font-size: 1.3rem; }
}