:root {
  --navy: #0a1a3a;
  --navy-soft: #102957;
  --blue: #1677ff;
  --blue-dark: #0e62d6;
  --cyan: #00c8ff;
  --violet: #7a3cff;
  --ink: #101828;
  --muted: #536176;
  --line: #dce3ee;
  --surface: #ffffff;
  --canvas: #f2f4f7;
  --danger: #b42318;
  --danger-soft: #fff0ee;
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--blue-dark); outline-offset: 3px; }
[hidden] { display: none !important; }

.login-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 28px;
  background:
    radial-gradient(circle at 12% 8%, rgba(0, 200, 255, 0.2), transparent 25%),
    radial-gradient(circle at 92% 84%, rgba(122, 60, 255, 0.16), transparent 28%),
    linear-gradient(145deg, #edf4ff, #f8fafc 52%, #f2efff);
}
.login-layout {
  display: grid;
  width: min(980px, 100%);
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 30px 80px rgba(10, 26, 58, 0.15);
}
.login-intro {
  display: flex;
  min-height: 600px;
  flex-direction: column;
  justify-content: center;
  padding: 58px;
  color: #fff;
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 200, 255, 0.32), transparent 30%),
    radial-gradient(circle at 4% 96%, rgba(122, 60, 255, 0.32), transparent 34%),
    linear-gradient(145deg, #102957, var(--navy) 58%, #07142e);
}
.login-brand { display: flex; align-items: center; gap: 15px; margin-bottom: 80px; font-size: 20px; font-weight: 850; }
.login-brand img { width: 48px; height: 52px; object-fit: contain; }
.eyebrow { margin: 0 0 9px; color: var(--blue-dark); font-size: 0.72rem; font-weight: 850; letter-spacing: 0.14em; text-transform: uppercase; }
.login-intro .eyebrow { color: #8edcff; }
.login-intro h1 { max-width: 490px; margin: 0; font-size: clamp(2rem, 4vw, 3.3rem); letter-spacing: -0.045em; line-height: 1.05; }
.intro-copy { max-width: 520px; margin: 22px 0 0; color: #d4e2fa; font-size: 1rem; line-height: 1.7; }
.intro-footnote { margin: auto 0 0; color: rgba(255, 255, 255, 0.58); font-size: 0.78rem; }
.login-card { align-self: center; padding: 58px 52px; }
.login-card h2 { margin: 0; color: var(--navy); font-size: 2rem; letter-spacing: -0.04em; }
.login-copy { margin: 8px 0 30px; color: var(--muted); }
.login-card form { display: grid; gap: 18px; }
.login-card label { display: grid; gap: 7px; color: var(--ink); font-size: 0.86rem; font-weight: 750; }
.login-card input { width: 100%; min-height: 48px; padding: 11px 13px; color: var(--ink); border: 1px solid #c8d2e1; border-radius: 11px; background: #fff; outline: none; }
.login-card input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.13); }
.primary-button { min-height: 48px; padding: 0 20px; color: #fff; border: 1px solid var(--blue); border-radius: 11px; background: var(--blue); box-shadow: 0 8px 18px rgba(22, 119, 255, 0.22); font-weight: 800; }
.primary-button:hover { background: var(--blue-dark); }
.primary-button:disabled { cursor: wait; opacity: 0.65; }
.form-message { margin: -2px 0 0; padding: 11px 13px; border-radius: 10px; font-size: 0.83rem; }
.form-message.is-error { color: var(--danger); background: var(--danger-soft); }

@media (max-width: 760px) {
  .login-page { padding: 14px; }
  .login-layout { grid-template-columns: 1fr; border-radius: 22px; }
  .login-intro { min-height: auto; padding: 30px 26px; }
  .login-brand { margin-bottom: 48px; }
  .login-intro h1 { font-size: 2.15rem; }
  .intro-footnote { margin-top: 34px; }
  .login-card { padding: 34px 26px 38px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}