/* ============================================================
 * Login — diseño moderno, mobile-first, sin dependencias externas.
 * Escritorio: panel de marca + formulario. Celular: una columna.
 * ============================================================ */
:root {
  --lg-bg: #f3f6fc;
  --lg-surface: #ffffff;
  --lg-text: #16213e;
  --lg-soft: #62708d;
  --lg-border: #d9e0ee;
  --lg-primary: #3b5bfd;
  --lg-primary-dark: #2a45d6;
  --lg-primary-soft: #eaf0ff;
  --lg-danger: #dc2626;
  --lg-ring: rgba(59, 91, 253, .22);
  --lg-radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --lg-bg: #0e1424; --lg-surface: #172036; --lg-text: #eaf0ff; --lg-soft: #9aa7c7;
    --lg-border: #2a3552; --lg-primary-soft: #1f2c52; --lg-ring: rgba(120, 150, 255, .3);
  }
}

body.login-page { background: var(--lg-bg) !important; margin: 0; }

.lg-shell {
  min-height: 100vh; min-height: 100dvh;
  display: grid; grid-template-columns: 1fr;
  color: var(--lg-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Panel de marca ---------- */
.lg-brand {
  display: none; position: relative; overflow: hidden;
  background: linear-gradient(145deg, #1b2a6b 0%, #2a45d6 55%, #4f7bff 100%);
  color: #fff; padding: 56px;
}
.lg-brand-inner { position: relative; z-index: 2; max-width: 460px; margin: auto 0; align-self: center; }
.lg-brand-badge { display: block; width: 132px; height: 132px; border-radius: 50%; box-shadow: 0 14px 36px rgba(0,0,0,.30); margin-bottom: 36px; }
.lg-brand-logo { width: 100%; height: 100%; border-radius: 50%; object-fit: contain; display: block; }
.lg-brand h2 { font-size: 1.9rem; line-height: 1.25; font-weight: 700; margin: 0 0 28px; color: #fff; letter-spacing: -.01em; }
.lg-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.lg-points li { display: flex; align-items: center; gap: 12px; font-size: .98rem; opacity: .95; }
.lg-points i { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,.16); display: grid; place-items: center; font-size: .95rem; }
.lg-orb { position: absolute; border-radius: 50%; filter: blur(2px); background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.22), rgba(255,255,255,0)); }
.lg-orb-a { width: 380px; height: 380px; right: -120px; top: -110px; }
.lg-orb-b { width: 300px; height: 300px; left: -90px; bottom: -100px; }

/* ---------- Panel del formulario ---------- */
.lg-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px 16px; gap: 16px; }
.lg-card {
  width: 100%; max-width: 420px; background: var(--lg-surface);
  border: 1px solid var(--lg-border); border-radius: 20px; padding: 32px 26px 26px;
  box-shadow: 0 20px 50px rgba(20, 32, 70, .10);
  animation: lg-in .45s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes lg-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .lg-card { animation: none; } }

.lg-logo { display: block; width: 104px; height: 104px; margin: 0 auto 14px; object-fit: contain; border-radius: 50%; box-shadow: 0 8px 22px rgba(59,91,253,.25); }
.lg-head { text-align: center; margin-bottom: 22px; }
.lg-head h1 { font-size: 1.55rem; font-weight: 700; margin: 0 0 4px; color: var(--lg-text); letter-spacing: -.01em; }
.lg-head p { margin: 0; color: var(--lg-soft); font-size: .95rem; }

/* ---------- Campos con etiqueta flotante ---------- */
.lg-field { position: relative; margin-bottom: 14px; }
.lg-input {
  width: 100%; height: 54px; padding: 22px 44px 6px 42px; font-size: 1rem; color: var(--lg-text);
  background: var(--lg-surface); border: 1.5px solid var(--lg-border); border-radius: 12px;
  outline: none; transition: border-color .15s, box-shadow .15s; -webkit-appearance: none; appearance: none;
}
.lg-input:focus { border-color: var(--lg-primary); box-shadow: 0 0 0 4px var(--lg-ring); }
.lg-field label {
  position: absolute; left: 42px; top: 16px; font-size: 1rem; color: var(--lg-soft);
  pointer-events: none; transition: all .15s ease; transform-origin: left top;
}
.lg-input:focus + label, .lg-input:not(:placeholder-shown) + label { top: 8px; font-size: .72rem; color: var(--lg-primary); font-weight: 600; }
.lg-ico { position: absolute; left: 15px; top: 19px; color: var(--lg-soft); font-size: .95rem; pointer-events: none; }
.lg-input:focus ~ .lg-ico { color: var(--lg-primary); }
.lg-eye { position: absolute; right: 6px; top: 6px; width: 42px; height: 42px; border: 0; background: transparent; color: var(--lg-soft); border-radius: 10px; cursor: pointer; }
.lg-eye:hover { background: var(--lg-primary-soft); color: var(--lg-primary); }
.lg-caps { color: #b45309; font-size: .82rem; margin: -6px 2px 10px; }

/* ---------- Botones ---------- */
.lg-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%;
  height: 52px; border: 0; border-radius: 12px; font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: transform .08s, box-shadow .15s, background .15s; -webkit-tap-highlight-color: transparent;
}
.lg-btn:active { transform: scale(.985); }
.lg-btn:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--lg-ring); }
.lg-btn-primary { margin-top: 6px; background: var(--lg-primary); color: #fff; box-shadow: 0 8px 20px rgba(59, 91, 253, .3); }
.lg-btn-primary:hover { background: var(--lg-primary-dark); }
.lg-btn-bio { background: var(--lg-primary-soft); color: var(--lg-primary); border: 1.5px solid transparent; }
.lg-btn-bio:hover { border-color: var(--lg-primary); }
.lg-btn-bio i { font-size: 1.35rem; }
.lg-btn[disabled] { opacity: .65; cursor: progress; }

.lg-or { display: flex; align-items: center; gap: 12px; margin: 18px 0 14px; color: var(--lg-soft); font-size: .8rem; }
.lg-or::before, .lg-or::after { content: ""; flex: 1; height: 1px; background: var(--lg-border); }

.lg-msg { margin-top: 14px; }
.lg-msg .alert { margin: 0; border-radius: 10px; font-size: .9rem; padding: 10px 14px; }

.lg-foot { text-align: center; margin: 18px 0 0; font-size: .88rem; }
.lg-foot a { color: var(--lg-primary); text-decoration: none; font-weight: 600; }
.lg-copy { color: var(--lg-soft); font-size: .78rem; }

/* ---------- Celular: pantalla completa, sin "tarjeta" ---------- */
@media (max-width: 575.98px) {
  .lg-panel { padding: 0; justify-content: flex-start; background: var(--lg-surface); }
  .lg-card { border: 0; border-radius: 0; box-shadow: none; padding: 44px 22px 20px; max-width: none; }
  .lg-input, .lg-btn { height: 56px; }  /* objetivos tactiles comodos */
  .lg-input { font-size: 16px; }         /* evita el zoom automatico de iOS */
  .lg-copy { padding: 10px 0 18px; }
}

/* ---------- Escritorio: dos columnas ---------- */
@media (min-width: 992px) {
  .lg-shell { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
  .lg-brand { display: flex; }
  .lg-panel { background: var(--lg-bg); }
}