:root {
  --brand: #7952b3;
  --brand-dark: #4f2f82;
  --brand-soft: #f1e9ff;
  --accent: #f7c948;
  --ink: #1f1b2d;
  --muted: #6f6a7a;
  --line: rgba(31, 27, 45, 0.12);
  --surface: rgba(255, 255, 255, 0.86);
  --surface-solid: #ffffff;
  --shadow: 0 24px 70px rgba(34, 25, 53, 0.18);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

body[data-platform="info"],
body[data-platform="admin"],
body[data-platform="web"] {
  --brand: #7952b3;
  --brand-dark: #4f2f82;
  --brand-soft: #f1e9ff;
  --accent: #f7c948;
}

body[data-platform="test"] {
  --brand: #0f766e;
  --brand-dark: #123f3c;
  --brand-soft: #e5f6f4;
  --accent: #d9b46e;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: "Manrope", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 18%, color-mix(in srgb, var(--brand) 24%, transparent), transparent 34%),
    radial-gradient(circle at 82% 8%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 30%),
    linear-gradient(135deg, #fbf9ff 0%, #f5f1fb 50%, #ffffff 100%);
  overflow-x: hidden;
}

body[data-platform="test"] {
  background:
    radial-gradient(circle at 16% 12%, rgba(15, 118, 110, 0.28), transparent 34%),
    radial-gradient(circle at 84% 8%, rgba(217, 180, 110, 0.28), transparent 28%),
    linear-gradient(135deg, #f5fbfa 0%, #edf5f3 50%, #fbfaf7 100%);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 42px 18px;
  position: relative;
}

.app-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, #000 0%, transparent 70%);
}

.login-stage {
  width: min(1080px, 100%);
  position: relative;
  z-index: 1;
}

.brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid color-mix(in srgb, var(--brand) 24%, transparent);
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--brand) 88%, #fff), var(--brand-dark));
  box-shadow: 0 14px 24px color-mix(in srgb, var(--brand) 24%, transparent);
  font-family: "Fraunces", serif;
  font-weight: 900;
}

.login-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 0;
  margin-top: 22px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.login-copy {
  min-height: 620px;
  padding: 54px;
  color: #fff;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--brand) 88%, #1b1230), var(--brand-dark));
}

.login-copy::before,
.login-copy::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.login-copy::before {
  width: 360px;
  height: 360px;
  right: -150px;
  top: -120px;
  background: color-mix(in srgb, var(--accent) 32%, transparent);
}

.login-copy::after {
  width: 260px;
  height: 260px;
  left: -90px;
  bottom: -110px;
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.login-copy-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.eyebrow {
  color: color-mix(in srgb, #fff 72%, var(--accent));
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-title {
  max-width: 560px;
  margin: 22px 0 16px;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.4rem, 6vw, 5.1rem);
  line-height: 0.92;
  letter-spacing: -0.07em;
}

.hero-text {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.02rem;
  line-height: 1.75;
}

.platform-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.platform-badges span {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.86rem;
  font-weight: 700;
}

.copy-footer {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metric-tile {
  min-height: 108px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
}

.metric-tile strong {
  display: block;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.75rem;
  line-height: 1;
}

.metric-tile small {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.7);
}

.login-panel {
  padding: 52px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72));
}

.panel-title {
  margin: 20px 0 8px;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--ink);
}

.panel-subtitle {
  margin: 0 0 28px;
  color: var(--muted);
  line-height: 1.7;
}

.form-label {
  color: var(--ink);
  font-weight: 800;
  font-size: 0.88rem;
}

.form-control,
.form-select {
  min-height: 52px;
  border: 1px solid color-mix(in srgb, var(--brand) 16%, #d9d5e4);
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  box-shadow: none;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 0.24rem color-mix(in srgb, var(--brand) 16%, transparent);
}

.input-group-text {
  border: 1px solid color-mix(in srgb, var(--brand) 16%, #d9d5e4);
  border-right: 0;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-weight: 900;
}

.input-group .form-control {
  border-left: 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn-brand {
  min-height: 54px;
  border: 0;
  border-radius: var(--radius-md);
  color: #fff;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--brand) 92%, #fff), var(--brand-dark));
  font-weight: 900;
  letter-spacing: -0.01em;
  box-shadow: 0 18px 34px color-mix(in srgb, var(--brand) 26%, transparent);
}

.btn-brand:hover,
.btn-brand:focus {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 22px 42px color-mix(in srgb, var(--brand) 32%, transparent);
}

.support-link {
  color: var(--brand-dark);
  font-weight: 800;
  text-decoration: none;
}

.support-link:hover {
  color: var(--brand);
  text-decoration: underline;
}

.security-note {
  margin-top: 22px;
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--brand) 14%, transparent);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--brand-soft) 70%, #fff);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.alert-login {
  display: none;
  margin-top: 18px;
  border: 1px solid color-mix(in srgb, var(--brand) 24%, transparent);
  border-radius: var(--radius-md);
  color: var(--brand-dark);
  background: color-mix(in srgb, var(--brand-soft) 72%, #fff);
}

.alert-login.show {
  display: block;
}

@media (max-width: 920px) {
  .login-card {
    grid-template-columns: 1fr;
  }

  .login-copy {
    min-height: auto;
    padding: 38px;
  }

  .copy-footer {
    grid-template-columns: 1fr;
    margin-top: 30px;
  }

  .login-panel {
    padding: 36px 26px;
  }
}

@media (max-width: 520px) {
  .app-shell {
    padding: 18px 10px;
  }

  .login-copy {
    padding: 30px 22px;
  }

  .platform-badges {
    gap: 8px;
  }
}