:root {
  --soft-bg: #0e1a2f;
  --soft-panel: #182a45;
  --soft-panel-2: #203553;
  --soft-line: rgba(158, 183, 220, 0.2);
  --soft-text: #f8fbff;
  --soft-muted: #afc0d8;
  --soft-quiet: #8ea4c3;
  --soft-mint: #6fe4ca;
  --soft-coral: #ff949c;
  --soft-blue: #88aafa;
  --soft-gold: #f5cf79;
  color-scheme: dark;
}

body {
  background: var(--soft-bg);
  font-family: "Segoe UI Variable", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

.login-page {
  grid-template-columns: minmax(400px, 600px) minmax(360px, 440px);
  gap: clamp(48px, 7vw, 104px);
  background:
    radial-gradient(circle at 17% 24%, rgba(111, 228, 202, 0.12), transparent 26rem),
    radial-gradient(circle at 84% 18%, rgba(136, 170, 250, 0.13), transparent 28rem),
    radial-gradient(circle at 70% 82%, rgba(255, 148, 156, 0.08), transparent 24rem),
    var(--soft-bg);
}

.login-page::after {
  background: linear-gradient(120deg, rgba(6, 17, 35, 0.08), rgba(6, 17, 35, 0.22));
}

.mesh-grid {
  opacity: 0.32;
  background-size: 56px 56px;
}

.wave-field {
  opacity: 0.42;
}

.wave-field path {
  stroke: rgba(111, 228, 202, 0.24);
  stroke-width: 1.6;
}

.wave-field path:nth-child(2) { stroke: rgba(136, 170, 250, 0.2); }
.wave-field path:nth-child(3) { stroke: rgba(255, 148, 156, 0.15); }

/* The existing cat logo is intentionally preserved. */
.corner-logo {
  gap: 13px;
}

.cat-mark {
  width: 62px;
  height: 62px;
  border-color: var(--soft-line);
  border-radius: 22px;
  background: rgba(24, 42, 69, 0.9);
  box-shadow: 0 18px 42px rgba(2, 10, 24, 0.24), inset 0 1px rgba(255, 255, 255, 0.08);
}

.cat-mark img {
  width: 48px;
  height: 48px;
}

.logo-copy strong { font-size: 24px; }
.logo-copy small { color: var(--soft-muted); font-size: 13px; }

.eyebrow {
  margin-bottom: 18px;
  color: var(--soft-mint);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.eyebrow::before {
  width: 38px;
  height: 4px;
  border-radius: 999px;
  background: var(--soft-mint);
}

h1 {
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 820;
  letter-spacing: -0.04em;
}

.intro-lead {
  margin-top: 20px;
  color: var(--soft-muted);
  font-size: 19px;
  line-height: 1.75;
}

.feature-list {
  gap: 12px;
  margin-top: 30px;
}

.feature-list li {
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--soft-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  font-size: 15px;
}

.feature-list span {
  width: 12px;
  height: 12px;
  border: 0;
  background: var(--soft-mint);
  box-shadow: none;
}

.signal-card {
  margin-top: 38px;
  border-color: var(--soft-line);
  border-radius: 24px;
  background: rgba(24, 42, 69, 0.82);
  box-shadow: 0 24px 64px rgba(2, 10, 24, 0.22);
}

.signal-head {
  min-height: 48px;
  border-bottom-color: var(--soft-line);
}

.signal-head span {
  color: var(--soft-quiet);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.signal-body { gap: 9px; padding: 14px; }

.signal-row {
  min-height: 48px;
  border-color: var(--soft-line);
  border-radius: 15px;
  color: var(--soft-muted);
  background: rgba(255, 255, 255, 0.035);
  font-size: 14px;
}

.signal-row.active {
  border-color: rgba(111, 228, 202, 0.42);
  background: rgba(111, 228, 202, 0.11);
}

.signal-row b { background: var(--soft-mint); box-shadow: none; }
.signal-row em { color: var(--soft-quiet); font-size: 12px; }

.auth-card {
  padding: 28px;
  border-color: var(--soft-line);
  border-radius: 28px;
  background: rgba(24, 42, 69, 0.9);
  box-shadow: 0 28px 72px rgba(2, 10, 24, 0.28), inset 0 1px rgba(255, 255, 255, 0.08);
}

.auth-card::before {
  background:
    linear-gradient(140deg, rgba(111, 228, 202, 0.1), transparent 36%),
    linear-gradient(320deg, rgba(136, 170, 250, 0.1), transparent 34%);
}

.auth-tabs {
  position: relative;
  z-index: 1;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--soft-line);
  border-radius: 17px;
  background: rgba(7, 17, 34, 0.28);
}

.auth-tabs button {
  min-height: 42px;
  border-radius: 13px;
  color: var(--soft-muted);
  font-size: 15px;
}

.auth-tabs button.active {
  background: var(--soft-blue);
  color: #102037;
  box-shadow: 0 10px 24px rgba(39, 78, 139, 0.22);
}

.card-heading h2 { font-size: 29px; letter-spacing: -0.02em; }
.card-heading p { color: var(--soft-muted); font-size: 14px; }

.auth-form label > span {
  color: var(--soft-muted);
  font-size: 14px;
  font-weight: 700;
}

.auth-form input {
  min-height: 50px;
  border-color: var(--soft-line);
  border-radius: 15px;
  background: rgba(7, 17, 34, 0.3);
  color: var(--soft-text);
  font-size: 16px;
}

.auth-form input:focus {
  border-color: var(--soft-mint);
  box-shadow: 0 0 0 4px rgba(111, 228, 202, 0.12);
}

.primary-button,
.secondary-button {
  min-height: 50px;
  border: 0;
  border-radius: 15px;
  font-size: 16px;
  font-weight: 800;
}

.primary-button {
  background: var(--soft-mint);
  color: #102037;
}

.secondary-button {
  background: var(--soft-blue);
  color: #102037;
}

.form-message { min-height: 21px; font-size: 13px; }

.login-icp {
  color: var(--soft-quiet);
  font-size: 13px;
}

.login-icp a { color: var(--soft-muted); }

@media (max-width: 900px) {
  .login-page { padding-top: 116px; }
  .corner-logo { top: 24px; right: 24px; }
  .intro-panel { text-align: center; }
  .eyebrow, .feature-list li { justify-content: center; }
  .feature-list, .signal-card { margin-right: auto; margin-left: auto; }
}

@media (max-width: 560px) {
  .login-page { padding-right: 16px; padding-left: 16px; }
  .logo-copy small { display: none; }
  .auth-card { padding: 20px; border-radius: 22px; }
}