:root {
  color-scheme: dark;
  --bg: #111827;
  --bg-soft: #162132;
  --bg-panel: #1b2638;
  --line: rgba(148, 163, 184, 0.22);
  --text: #f8fafc;
  --text-soft: #b8c5d6;
  --accent: #3cb9a0;
  --accent-2: #4b7be5;
  --danger: #f87171;
  --focus-ring: 0 0 0 2px rgba(17, 24, 39, 0.96), 0 0 0 4px rgba(75, 123, 229, 0.28);
  --shadow: 0 18px 46px rgba(3, 7, 18, 0.24);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "JetBrains Mono", monospace;
  background:
    radial-gradient(circle at top left, rgba(75, 123, 229, 0.1), transparent 28%),
    radial-gradient(circle at top right, rgba(60, 185, 160, 0.08), transparent 24%),
    var(--bg);
  color: var(--text);
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}

.login-panel {
  width: min(100%, 460px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(22, 33, 50, 0.94)),
    var(--bg-soft);
  box-shadow: var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.login-brand__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(60, 185, 160, 0.2), rgba(75, 123, 229, 0.2));
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: var(--text);
  font-weight: 700;
}

.login-brand__eyebrow,
.login-copy__eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.login-brand h1 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(32px, 5vw, 40px);
  line-height: 0.95;
}

.login-copy {
  margin-top: 28px;
}

.login-copy__text {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.login-field {
  display: grid;
  gap: 8px;
}

.login-field span {
  color: var(--text-soft);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-field input {
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 12px;
  background: rgba(20, 29, 45, 0.92);
  color: var(--text);
}

.login-field input::placeholder {
  color: rgba(155, 174, 198, 0.72);
}

.login-feedback {
  min-height: 22px;
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
}

.login-feedback--error {
  color: #ffc0c0;
}

.login-feedback--success {
  color: #b6f5df;
}

.login-button {
  display: grid;
  place-items: center;
  min-height: 46px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(60, 185, 160, 0.94), rgba(75, 123, 229, 0.9));
  color: #f8fafc;
  font-weight: 700;
  cursor: pointer;
}

.login-button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.login-footer {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  color: var(--text-soft);
  font-size: 12px;
}

.login-footer a {
  border-bottom: 1px solid transparent;
}

.login-footer a:hover,
.login-footer a:focus-visible {
  border-color: rgba(51, 195, 165, 0.42);
}

@media (max-width: 600px) {
  .login-shell {
    padding: 18px;
  }

  .login-panel {
    padding: 22px 18px;
    border-radius: 16px;
  }

  .login-brand h1 {
    font-size: 32px;
  }
}