/* ════════════════════════════════════════
   LANDING / AUTH 
   ════════════════════════════════════════ */

/* ── Contenedor principal ── */
#landing {
  display: flex;
  min-height: 100vh;
  align-items: stretch;
}

/* ── Panel izquierdo (marca) ── */
.landing-left {
  flex: 1;
  background: var(--crimson-deep);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
  position: relative;
  overflow: hidden;
}

/* Arco decorativo superior */
.landing-left::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -120px;
  width: 520px;
  height: 520px;
  border: 1.5px solid rgba(201, 168, 76, 0.18);
  border-radius: 50%;
}

/* Arco decorativo inferior */
.landing-left::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -100px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 50%;
}

/* Tercer arco central */
.lc-arc {
  position: absolute;
  top: 40%;
  left: -160px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(201, 168, 76, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

/* ── Tipografía de marca ── */
.brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 400;
  color: #fff;
  letter-spacing: -0.5px;
  line-height: 1.15;
}
.brand-name span {
  font-style: italic;
  color: var(--gold2);
}

.brand-tagline {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 1rem;
  font-weight: 300;
  line-height: 1.7;
  max-width: 300px;
}

/* ── Grid decorativo de thumbnails ── */
.landing-art-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 2.5rem;
  max-width: 320px;
}

.art-thumb {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 1;
  position: relative;
}

.art-thumb:nth-child(1) { background: #6a1020; aspect-ratio: auto; height: 90px; border-radius: 40px 20px 20px 20px; }
.art-thumb:nth-child(2) { background: #3d0a14; border-radius: 20px 40px 20px 20px; }
.art-thumb:nth-child(3) { background: #7a1830; border-radius: 20px 20px 40px 20px; }
.art-thumb:nth-child(4) { background: #4a0f1e; aspect-ratio: auto; height: 90px; border-radius: 20px 20px 20px 40px; }

.art-thumb-label {
  position: absolute;
  bottom: 8px;
  left: 10px;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Elementos geométricos decorativos dentro de thumbs */
.thumb-arc  { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,0.15); border-radius: 50%; margin: 18px auto; }
.thumb-arc2 { width: 30px; height: 30px; border: 1px solid rgba(201,168,76,0.2);  border-radius: 50%; margin: 10px auto; }
.thumb-line { width: 50px; height: 1px; background: rgba(255,255,255,0.12); margin: 20px auto; border-radius: 1px; }
.thumb-dot  { width: 10px; height: 10px; border-radius: 50%; background: rgba(201,168,76,0.25); margin: 25px auto; }

/* ── Panel derecho (formulario) ── */
.landing-right {
  width: 460px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 3.5rem;
  position: relative;
  overflow: hidden;
}

/* Curva decorativa en la esquina */
.landing-right::before {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(155, 28, 46, 0.07);
  border-radius: 50%;
  pointer-events: none;
}

/* ── Tabs login / registro ── */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.auth-tab {
  background: none;
  border: none;
  padding: 0.75rem 0;
  margin-right: 2rem;
  font-family: 'Jost', sans-serif;
  font-size: 0.9rem;
  color: var(--ink3);
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}
.auth-tab.active { color: var(--crimson); font-weight: 500; }
.auth-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--crimson);
}

.auth-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.9rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.auth-sub {
  font-size: 0.85rem;
  color: var(--ink3);
  margin-bottom: 2rem;
  font-weight: 300;
}

/* ── Divisor y cuentas demo ── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--ink3);
  font-size: 0.8rem;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.demo-users { display: flex; flex-direction: column; gap: 8px; }

.demo-user-btn {
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: border-color 0.2s, background 0.2s;
  text-align: left;
}
.demo-user-btn:hover {
  border-color: var(--crimson);
  background: var(--crimson-pale);
}

.demo-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  flex-shrink: 0;
}
.demo-info  { flex: 1; }
.demo-name  { font-size: 0.85rem; font-weight: 500; color: var(--ink); }
.demo-role  { font-size: 0.75rem; color: var(--ink3); }