/**
 * Página de acceso — SIFISCOP
 * Solo se carga en index.php
 */
@import url("fonts.css");

:root {
  --login-navy-950: #0b1220;
  --login-navy-900: #0f172a;
  --login-navy-800: #1e293b;
  --login-accent: #1d4ed8;
  --login-accent-hover: #1e40af;
  --login-accent-ring: rgba(29, 78, 216, 0.35);
  --login-surface: #ffffff;
  --login-muted: #64748b;
  --login-border: #e2e8f0;
  --login-error-bg: #fef2f2;
  --login-error-border: #fecaca;
  --login-error-text: #991b1b;
  --login-radius-lg: 20px;
  --login-radius-md: 12px;
  --login-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.35);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body.login-page {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--login-navy-900);
  background: var(--login-navy-950);
  background-image:
    radial-gradient(ellipse 120% 80% at 20% 0%, rgba(37, 99, 235, 0.22), transparent 55%),
    radial-gradient(ellipse 90% 60% at 100% 100%, rgba(59, 130, 246, 0.12), transparent 50%),
    linear-gradient(165deg, var(--login-navy-950) 0%, var(--login-navy-900) 45%, #132337 100%);
  display: flex;
  flex-direction: column;
}

/* Layout: marca + formulario */
.login-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100dvh;
}

@media (min-width: 900px) {
  .login-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

/* Columna izquierda: identidad */
.login-brand-column {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}

.login-brand-column::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")
    repeat;
  pointer-events: none;
  opacity: 0.9;
}

.login-brand-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 28rem;
}

.login-brand-logo {
  width: min(220px, 70vw);
  height: auto;
  display: block;
  margin: 0 auto 1.5rem;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  background: #fff;
  padding: 0.5rem;
}

.login-brand-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #f8fafc;
}

.login-brand-tagline {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 400;
  color: rgba(248, 250, 252, 0.85);
  line-height: 1.55;
  max-width: 22rem;
  margin-left: auto;
  margin-right: auto;
}

/* Columna derecha: card */
.login-form-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--login-surface);
  border-radius: 0;
}

@media (min-width: 900px) {
  .login-form-column {
    border-radius: var(--login-radius-lg) 0 0 var(--login-radius-lg);
    box-shadow: -24px 0 48px rgba(15, 23, 42, 0.12);
  }
}

@media (max-width: 899px) {
  .login-form-column {
    border-radius: var(--login-radius-lg) var(--login-radius-lg) 0 0;
    margin-top: -1rem;
    box-shadow: 0 -12px 40px rgba(15, 23, 42, 0.08);
  }
}

.login-card {
  width: 100%;
  max-width: 400px;
}

.login-heading {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--login-navy-900);
  letter-spacing: -0.02em;
}

.login-sub {
  margin: 0 0 1.75rem;
  font-size: 0.9375rem;
  color: var(--login-muted);
}

/* Alerta error */
.login-alert {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.875rem 1rem;
  margin-bottom: 1.25rem;
  background: var(--login-error-bg);
  border: 1px solid var(--login-error-border);
  border-radius: var(--login-radius-md);
  color: var(--login-error-text);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.45;
}

.login-alert svg {
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* Formulario */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--login-navy-800);
  letter-spacing: 0.01em;
}

.field input[type="email"],
.field input[type="password"],
.field input[type="text"] {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--login-navy-900);
  background: #fff;
  border: 1px solid var(--login-border);
  border-radius: var(--login-radius-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input::placeholder {
  color: #94a3b8;
}

.field input:hover {
  border-color: #cbd5e1;
}

.field input:focus {
  outline: none;
  border-color: var(--login-accent);
  box-shadow: 0 0 0 3px var(--login-accent-ring);
}

.password-wrap {
  position: relative;
  display: flex;
  align-items: stretch;
}

.password-wrap input {
  padding-right: 3rem;
}

.btn-reveal {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.25rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--login-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background 0.15s ease;
}

.btn-reveal:hover {
  color: var(--login-navy-900);
  background: #f1f5f9;
}

.btn-reveal:focus-visible {
  outline: 2px solid var(--login-accent);
  outline-offset: 2px;
}

.btn-login {
  margin-top: 0.25rem;
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(180deg, var(--login-accent) 0%, var(--login-accent-hover) 100%);
  border: none;
  border-radius: var(--login-radius-md);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.btn-login:hover {
  filter: brightness(1.05);
  box-shadow: 0 6px 20px rgba(29, 78, 216, 0.4);
}

.btn-login:active {
  transform: translateY(1px);
}

.btn-login:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--login-accent-ring), 0 4px 14px rgba(29, 78, 216, 0.35);
}

.login-foot {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--login-muted);
  text-align: center;
  max-width: 400px;
}

@media (max-width: 480px) {
  .login-brand-inner {
    max-width: 100%;
  }

  .login-form-column {
    padding: 1.25rem 1rem 2rem;
  }

  .login-card {
    max-width: 100%;
  }

  .login-heading {
    font-size: 1.35rem;
  }
}

@media (max-width: 899px) {
  .login-form-column {
    padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-login,
  .field input,
  .btn-reveal {
    transition: none;
  }
}