:root {
  color-scheme: dark;
  --bg: #07101c;
  --surface: #101d2d;
  --surface-deep: #0a1522;
  --border: #263b52;
  --text: #edf5ff;
  --muted: #92a7be;
  --cyan: #42d6c7;
  --red: #ff9198;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 15%, rgba(66, 214, 199, 0.12), transparent 30rem),
    radial-gradient(circle at 85% 85%, rgba(83, 167, 255, 0.09), transparent 28rem),
    var(--bg);
  font: 15px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 460px);
  gap: clamp(48px, 8vw, 120px);
  width: min(calc(100% - 48px), 1120px);
  min-height: 100vh;
  margin-inline: auto;
  align-items: center;
  padding-block: 54px;
}

.login-intro {
  max-width: 600px;
}

.brand-mark {
  display: grid;
  width: 54px;
  height: 54px;
  margin-bottom: 40px;
  place-items: center;
  border: 1px solid rgba(66, 214, 199, 0.42);
  border-radius: 17px;
  color: var(--cyan);
  background: linear-gradient(145deg, rgba(66, 214, 199, 0.15), rgba(83, 167, 255, 0.06));
  font-size: 15px;
  font-weight: 850;
  letter-spacing: 0.06em;
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.login-intro h1 {
  max-width: 580px;
  margin: 0;
  font-size: clamp(40px, 6vw, 68px);
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.intro-copy {
  max-width: 520px;
  margin: 24px 0 34px;
  color: var(--muted);
  font-size: 17px;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #bdcad9;
}

.feature-list span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(66, 214, 199, 0.25);
  border-radius: 9px;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 800;
}

.login-card {
  padding: clamp(26px, 4vw, 38px);
  border: 1px solid rgba(135, 163, 192, 0.18);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(16, 29, 45, 0.97), rgba(10, 21, 34, 0.97));
  box-shadow: 0 28px 74px rgba(0, 0, 0, 0.36);
}

.login-card__heading h2 {
  margin: 0;
  font-size: 29px;
  letter-spacing: -0.04em;
}

.login-card__heading > p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
}

.form-error {
  margin: 22px 0 0;
  padding: 11px 13px;
  border: 1px solid rgba(255, 145, 152, 0.27);
  border-radius: 10px;
  color: #ffc4c8;
  background: rgba(255, 145, 152, 0.07);
  font-size: 13px;
}

.form-error:empty {
  display: none;
}

form {
  display: grid;
  margin-top: 27px;
}

label {
  margin: 0 0 7px;
  color: #c7d4e1;
  font-size: 12px;
  font-weight: 750;
}

label:not(:first-child) {
  margin-top: 18px;
}

input {
  width: 100%;
  height: 48px;
  padding: 0 13px;
  border: 1px solid var(--border);
  border-radius: 11px;
  outline: none;
  color: var(--text);
  background: rgba(4, 10, 18, 0.48);
  font: inherit;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

input[type="hidden"] {
  display: none;
}

input:hover {
  border-color: #3b5876;
}

input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(66, 214, 199, 0.12);
}

button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 50px;
  margin-top: 24px;
  padding: 0 17px;
  border: 0;
  border-radius: 11px;
  color: #041210;
  background: var(--cyan);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
  transition: filter 140ms ease, transform 140ms ease;
}

button:hover {
  filter: brightness(1.08);
}

button:active {
  transform: translateY(1px);
}

button:focus-visible {
  outline: 3px solid rgba(66, 214, 199, 0.35);
  outline-offset: 3px;
}

.security-note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.security-note span {
  margin-right: 5px;
  color: var(--cyan);
  font-size: 8px;
}

@media (max-width: 820px) {
  .login-layout {
    grid-template-columns: 1fr;
    gap: 44px;
    width: min(calc(100% - 32px), 540px);
    padding-block: 42px;
  }

  .login-intro h1 {
    font-size: clamp(38px, 12vw, 58px);
  }

  .brand-mark {
    margin-bottom: 28px;
  }
}

@media (max-width: 460px) {
  .login-layout {
    width: min(calc(100% - 20px), 540px);
    padding-block: 26px;
  }

  .feature-list {
    display: none;
  }

  .intro-copy {
    margin-bottom: 0;
  }

  .login-card {
    padding: 24px 19px;
    border-radius: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}