:root {
  --login-fondo: #0a0a0a;
  --login-card: #141414;
  --login-panel: #111;
  --login-texto: #f4f0e8;
  --login-suave: #9a9285;
  --login-oro: #c9a962;
  --login-oro-claro: #e8d5a8;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body.carta-login-body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  color: var(--login-texto);
  background:
    radial-gradient(ellipse 90% 60% at 80% 0%, rgba(201, 169, 98, 0.14), transparent 50%),
    radial-gradient(ellipse 70% 50% at 0% 100%, rgba(201, 169, 98, 0.08), transparent 45%),
    var(--login-fondo);
}

.carta-back-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  color: var(--login-suave);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
}

.carta-back-link:hover { color: var(--login-oro-claro); }

.carta-login-main {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1rem 2rem;
}

.carta-login-card {
  width: min(100%, 920px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(201, 169, 98, 0.15);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  background: var(--login-card);
}

.carta-login-hero {
  position: relative;
  padding: 2.5rem 2rem;
  background: linear-gradient(160deg, #1a1712 0%, #0f0f0f 55%, #121212 100%);
  min-height: 420px;
  display: flex;
  align-items: flex-end;
}

.carta-login-hero-glow {
  position: absolute;
  inset: 20% 10% auto;
  height: 180px;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.25), transparent 70%);
  filter: blur(20px);
}

.carta-login-hero-content { position: relative; z-index: 1; }

.carta-login-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--login-oro);
}

.carta-login-hero-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.1;
}

.carta-login-hero-sub {
  margin: 0;
  color: var(--login-suave);
  line-height: 1.5;
  max-width: 28ch;
}

.carta-login-panel {
  padding: 2.25rem 2rem;
  background: var(--login-panel);
}

.carta-login-header { margin-bottom: 1.5rem; }

.carta-login-welcome {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 600;
}

.carta-login-lead {
  margin: 0;
  color: var(--login-suave);
  font-size: 0.95rem;
  line-height: 1.45;
}

.carta-login-lead--small { font-size: 0.85rem; }

.carta-form { display: grid; gap: 1rem; }

.carta-field { display: grid; gap: 0.35rem; }

.carta-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--login-suave);
}

.carta-input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--login-texto);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  font: 500 0.95rem/1.3 var(--font-body);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.carta-input:focus {
  border-color: rgba(201, 169, 98, 0.55);
  box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.12);
}

.carta-btn-primary,
.carta-btn-secondary {
  border: none;
  border-radius: 12px;
  padding: 0.8rem 1rem;
  font: 700 0.92rem/1 var(--font-body);
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
}

.carta-btn-primary {
  background: linear-gradient(135deg, var(--login-oro), #a8863f);
  color: #1a1408;
}

.carta-btn-secondary {
  background: transparent;
  color: var(--login-oro-claro);
  border: 1px solid rgba(201, 169, 98, 0.35);
}

.carta-btn-primary:hover,
.carta-btn-secondary:hover { transform: translateY(-1px); }

.carta-btn-primary:disabled,
.carta-btn-secondary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.carta-alert {
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.carta-alert--err {
  background: rgba(220, 80, 70, 0.12);
  border: 1px solid rgba(220, 80, 70, 0.35);
  color: #ffb4ad;
}

.carta-alert--ok {
  background: rgba(80, 180, 120, 0.12);
  border: 1px solid rgba(80, 180, 120, 0.35);
  color: #a8e8c4;
}

.carta-login-divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: 1.5rem 0;
}

.carta-login-subtitle {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.carta-login-footnote {
  margin: 1.25rem 0 0;
  font-size: 0.82rem;
  color: var(--login-suave);
}

.carta-login-footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--login-suave);
}

.carta-login-footer a { color: var(--login-oro); text-decoration: none; }

@media (max-width: 820px) {
  .carta-login-card {
    grid-template-columns: 1fr;
    max-width: 440px;
  }
  .carta-login-hero {
    min-height: auto;
    padding: 1.75rem 1.5rem;
  }
  .carta-login-panel { padding: 1.75rem 1.5rem 2rem; }
}