/* ============================================================
   RANY WEB — Auth Page Styles (Login Split-Screen)
   ============================================================ */

.auth-split-layout {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  background: var(--bg-void);
  font-family: var(--font-sans);
  color: var(--text-primary);
  overflow-x: hidden;
}

@media (min-width: 900px) {
  .auth-split-layout {
    grid-template-columns: 50vw 50vw;
  }
}

/* ── Brand Side (Left on Desktop) ── */
.auth-brand-side {
  display: none; /* hidden on small screens */
  position: relative;
  overflow: hidden;
  background: #080810;
  border-right: 1px solid rgba(255,255,255,0.05);
}

@media (min-width: 900px) {
  .auth-brand-side {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--space-8) var(--space-10);
  }
}

.auth-nebula-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.auth-nebula-1 {
  position: absolute;
  width: 800px; height: 800px;
  top: -200px; left: -200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247,37,133,0.3), transparent 70%);
  filter: blur(120px);
  animation: auth-float-1 18s ease-in-out infinite alternate;
}

.auth-nebula-2 {
  position: absolute;
  width: 600px; height: 600px;
  bottom: -150px; right: -150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(157,78,221,0.25), transparent 70%);
  filter: blur(100px);
  animation: auth-float-2 15s ease-in-out infinite alternate;
}

.auth-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

@keyframes auth-float-1 { 0% { transform: translate(0,0); } 100% { transform: translate(60px, 40px); } }
@keyframes auth-float-2 { 0% { transform: translate(0,0); } 100% { transform: translate(-50px, -30px); } }

.brand-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.brand-hero {
  margin: auto 0;
}

.brand-headline {
  font-size: clamp(40px, 4.5vw, 64px);
  font-weight: var(--weight-extrabold);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: #fff;
  margin-bottom: var(--space-4);
}

.brand-sub {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 480px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.brand-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.brand-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  background: rgba(255,255,255,0.03);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  width: fit-content;
  border: 1px solid rgba(255,255,255,0.05);
}

.brand-footer .auth-powered {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
}
.brand-footer .auth-powered a { color: var(--text-primary); text-decoration: none; }
.brand-footer .auth-powered a:hover { color: var(--pink-400); }

/* ── Form Side (Right/Mobile) ── */
.auth-form-side {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  min-height: 100vh;
  z-index: 1;
  background: var(--bg-void);
}

.auth-back-mobile {
  position: absolute;
  top: var(--space-6);
  left: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: color var(--duration-fast);
}
.auth-back-mobile:hover { color: var(--text-primary); }

.auth-form-container {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  animation: auth-fade-in 0.6s var(--ease-spring) both;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-2);
}

.mobile-only-logo {
  display: flex;
  margin: 0 auto var(--space-4);
}

@media (min-width: 900px) {
  .mobile-only-logo { display: none; }
}

.auth-title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.auth-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
}

@keyframes auth-fade-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.auth-providers {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.btn-oauth {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}
.btn-oauth:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-1px);
}
.btn-oauth:active { transform: translateY(0) scale(0.98); }

.auth-email-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.auth-email-form .input {
  padding: 14px 16px;
  font-size: var(--text-base);
}

.auth-terms {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
  line-height: var(--leading-relaxed);
  margin-top: var(--space-2);
}
.auth-terms a { color: var(--text-secondary); text-decoration: underline; }
.auth-terms a:hover { color: var(--text-primary); }

.auth-loading, .auth-error {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}
.auth-loading { background: rgba(247, 37, 133, 0.08); color: var(--text-secondary); }
.auth-error { background: rgba(255, 68, 68, 0.1); border: 1px solid rgba(255, 68, 68, 0.2); color: var(--color-error); }
.hidden { display: none !important; }