:root {
  --bg-main: #071220;
  --text-main: #f0f3f4;
  --mint: #2ecc71;
  --signal: #0096ff;
  --muted: #a7b3c0;
  --line: rgba(240, 243, 244, 0.16);
  --gutter: clamp(20px, 5.6vw, 92px);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(980px 560px at 76% 58%, rgba(0, 150, 255, 0.34), transparent 72%),
    radial-gradient(760px 340px at 92% 10%, rgba(0, 150, 255, 0.2), transparent 76%),
    radial-gradient(540px 260px at 78% 76%, rgba(46, 204, 113, 0.15), transparent 78%),
    linear-gradient(98deg, #01040b 2%, #020915 30%, #041137 62%, #062867 100%),
    var(--bg-main);
}

.auth-page {
  min-height: 100vh;
  padding: 26px var(--gutter) 40px;
}

.home-link {
  display: inline-block;
  color: #bdd8f2;
  text-decoration: none;
  margin-bottom: 18px;
}

.auth-shell {
  display: grid;
  grid-template-columns: minmax(320px, 470px) 1fr;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  min-height: min(760px, calc(100vh - 110px));
  background: rgba(6, 15, 33, 0.5);
  backdrop-filter: blur(6px);
}

.auth-card {
  padding: 48px 40px;
  border-right: 1px solid var(--line);
  background: rgba(6, 16, 34, 0.72);
}

.auth-brand {
  width: 186px;
  height: auto;
  display: block;
  margin-bottom: 18px;
}

.auth-overline {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.auth-title {
  margin: 8px 0 8px;
  font-size: clamp(2rem, 3.6vw, 2.8rem);
  line-height: 1.06;
  font-weight: 800;
  background: linear-gradient(90deg, var(--mint), var(--signal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.auth-subtitle {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 600;
}

.auth-caption {
  margin: 6px 0 28px;
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 12px;
}

.login-form label {
  font-size: 0.92rem;
  color: #c8d2de;
}

.login-form input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(10, 22, 45, 0.75);
  color: var(--text-main);
  border-radius: 12px;
  padding: 13px 14px;
  outline: none;
}

.login-form input:focus {
  border-color: rgba(0, 150, 255, 0.65);
  box-shadow: 0 0 0 3px rgba(0, 150, 255, 0.2);
}

.login-btn {
  margin-top: 8px;
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 1rem;
  font-weight: 700;
  color: #031014;
  cursor: pointer;
  background: linear-gradient(90deg, var(--mint), var(--signal));
}

.login-message {
  min-height: 20px;
  margin: 4px 0 0;
  color: #d8e1ec;
  font-size: 0.9rem;
}

.visual-card {
  display: grid;
  place-items: center;
  padding: 42px;
  background:
    radial-gradient(540px 280px at 75% 20%, rgba(0, 150, 255, 0.22), transparent 75%),
    radial-gradient(420px 220px at 20% 80%, rgba(46, 204, 113, 0.14), transparent 78%),
    rgba(8, 20, 43, 0.56);
}

.visual-card img {
  width: min(76%, 520px);
  height: auto;
  filter: drop-shadow(0 16px 34px rgba(0, 0, 0, 0.45));
}

@media (max-width: 980px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-card {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 30px 22px;
  }

  .visual-card {
    min-height: 260px;
    padding: 24px;
  }
}