:root {
  --bg: #080b0f;
  --bg2: #0f1419;
  --border: #1a2030;
  --cyan: #00d4ff;
  --text: #e8edf2;
  --text2: #8a9bb0;
  --red: #ff3d57;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(0, 212, 255, 0.08), transparent 60%),
    var(--bg);
}

.login__card {
  width: 100%;
  max-width: 400px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.login__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.login__logo {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.login__sub {
  font-size: 13px;
  color: var(--text2);
  letter-spacing: 0.04em;
}

.login__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.login__field span {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text2);
}

.login__field input {
  height: 40px;
  padding: 0 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.login__field input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.login__error {
  background: rgba(255, 61, 87, 0.08);
  border: 1px solid rgba(255, 61, 87, 0.4);
  color: var(--red);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
}

.login__btn {
  position: relative;
  height: 42px;
  border: 0;
  border-radius: 8px;
  background: var(--cyan);
  color: #001018;
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: filter 120ms ease, transform 120ms ease;
}

.login__btn:hover:not(:disabled) {
  filter: brightness(1.08);
}

.login__btn:active:not(:disabled) {
  transform: translateY(1px);
}

.login__btn:disabled {
  cursor: progress;
  filter: brightness(0.7);
}

.login__btn-spinner {
  display: none;
  position: absolute;
  right: 14px;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  border: 2px solid rgba(0, 16, 24, 0.35);
  border-top-color: #001018;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.login__btn[data-busy="true"] .login__btn-spinner {
  display: block;
}

.login__btn[data-busy="true"] .login__btn-label {
  opacity: 0.85;
}

.login__hint {
  margin: 4px 0 0;
  text-align: center;
  font-size: 12px;
  color: var(--text2);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}