/* =============================================================
 *  CenterFlow — sign-in experience (account.html only)
 *  Split-screen: dark cinematic brand panel + warm auth card.
 *  account.js renders unchanged into #app; classes it emits
 *  (.tabs .tab .form .field .alert .btn) are styled by styles.css
 *  and polished here.
 * ============================================================= */

.auth-body {
  margin: 0;
  min-height: 100svh;
  background: var(--paper);
}

.auth-split {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100svh;
}
@media (min-width: 900px) {
  .auth-split { grid-template-columns: 0.95fr 1.05fr; }
}

/* ---- Left: always-dark brand panel ---- */
.auth-brand-panel {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(28px, 4vw, 52px);
  background: radial-gradient(130% 100% at 20% 0%, #13223a, #0a1220 65%);
  color: #eef4fb;
}
@media (min-width: 900px) { .auth-brand-panel { display: flex; } }

.auth-blob {
  position: absolute; border-radius: 50%; filter: blur(90px);
  mix-blend-mode: screen; pointer-events: none; z-index: -1;
}
.auth-blob-1 {
  width: 42vw; height: 42vw; left: -12vw; top: -10vw; opacity: 0.5;
  background: radial-gradient(circle, #e0763a, transparent 68%);
  animation: authDrift1 26s ease-in-out infinite;
}
.auth-blob-2 {
  width: 34vw; height: 34vw; right: -10vw; bottom: -8vw; opacity: 0.4;
  background: radial-gradient(circle, #e6b64f, transparent 66%);
  animation: authDrift2 32s ease-in-out infinite;
}
@keyframes authDrift1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(4vw,4vh) scale(1.1)} }
@keyframes authDrift2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-3vw,-4vh) scale(0.94)} }
@media (prefers-reduced-motion: reduce) { .auth-blob { animation: none; } }

.auth-brand-panel::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  opacity: 0.4; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.auth-brand-top { display: flex; align-items: center; }
.auth-brand-top .brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: #eef4fb; text-decoration: none;
  font-family: var(--font-display); font-weight: 600; font-size: 1.25rem;
}
.auth-brand-top .brand-mark {
  width: 40px; height: 40px; border-radius: 11px; object-fit: cover;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.14), 0 10px 26px -10px rgba(0,0,0,0.8);
}

.auth-brand-copy h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2rem, 3.4vw, 3.1rem); line-height: 1.04;
  letter-spacing: -0.02em; margin: 0 0 16px; color: #eef4fb;
  text-wrap: balance;
}
.auth-brand-copy h1 em { font-style: italic; color: #e0763a; }
.auth-brand-copy p {
  font-family: var(--font-sans); font-size: 1.02rem; line-height: 1.55;
  color: #a9bcd4; max-width: 42ch; margin: 0;
}

.auth-points { list-style: none; display: grid; gap: 12px; padding: 0; margin: 28px 0 0; }
.auth-points li {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-sans); font-size: 0.94rem; color: #a9bcd4;
}
.auth-points li::before {
  content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%;
  background: linear-gradient(135deg, #e0763a, #e6b64f);
  box-shadow: 0 0 10px rgba(224, 118, 58, 0.6);
}

.auth-brand-foot {
  font-family: var(--font-sans); font-size: 0.8rem; color: rgba(169, 188, 212, 0.6);
}

/* ---- Right: warm auth card ---- */
.auth-side {
  display: flex; flex-direction: column;
  padding: clamp(18px, 3vw, 40px);
}
.auth-side-top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.auth-side-top .brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none;
  font-family: var(--font-display); font-weight: 600; font-size: 1.1rem;
}
.auth-side-top .brand-mark { width: 34px; height: 34px; border-radius: 9px; object-fit: cover; }
@media (min-width: 900px) { .auth-side-top .brand { visibility: hidden; } }

.auth-card-wrap {
  flex: 1; display: grid; place-items: center; padding: 24px 0;
}
.auth-card {
  width: min(430px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  padding: clamp(24px, 3.4vw, 40px);
  animation: authCardIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes authCardIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .auth-card { animation: none; } }

.auth-card h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.5rem, 2.6vw, 1.9rem); letter-spacing: -0.015em;
  margin: 0 0 6px; color: var(--ink);
}
.auth-card > p.muted, .auth-card .muted { color: var(--taupe); }
.auth-card .tabs { margin: 18px 0 20px; }
.auth-card .form { gap: 16px; }
.auth-card .field input { padding: 13px 14px; border-radius: 11px; }
.auth-card .btn-block { padding: 14px 20px; border-radius: 999px; font-size: 0.98rem; }

.auth-fine {
  text-align: center; margin: 18px 0 0;
  font-family: var(--font-sans); font-size: 0.8rem; color: var(--taupe);
}
.auth-fine a { color: var(--accent); text-decoration: none; font-weight: 600; }