:root {
  color-scheme: dark;
  --bg: #0f1216;
  --panel: #181b22;
  --line: #2d5360;
  --text: #f4f6fb;
  --muted: #aeb6c3;
  --accent: #62d4ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, sans-serif;
}

.shell {
  display: none;
}

.login-screen,
.invite-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #3fd3a0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.12;
}

.login-copy,
.login-status,
.credential-helper,
.credential-warning {
  color: var(--muted);
  line-height: 1.5;
}

.login-copy {
  margin: 16px 0 20px;
}

.login-status {
  min-height: 22px;
  margin: 14px 0 0;
  font-size: 14px;
}

button {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: #173a42;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.login-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--accent);
  font-size: 14px;
  text-decoration: none;
}

.login-link:focus,
.login-link:hover {
  text-decoration: underline;
}

.reset-panel {
  display: grid;
  gap: 18px;
}

.reset-panel h1 {
  margin-bottom: 2px;
}

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

.reset-form + .reset-form {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 18px;
}

.reset-form label {
  display: grid;
  gap: 7px;
}

.reset-form span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.credential-panel {
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 16px;
}

.credential-warning {
  color: #f4d35e;
  font-weight: 700;
}

.credential-grid {
  display: grid;
  gap: 10px;
  margin: 14px 0;
}

.credential-grid div,
.invite-signin-form label {
  display: grid;
  gap: 6px;
}

.credential-grid dt,
.invite-signin-form span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.credential-grid dd {
  margin: 0;
}

code,
input {
  width: 100%;
  border: 1px solid #30424c;
  border-radius: 6px;
  background: #11151b;
  color: var(--text);
  padding: 11px 12px;
  font: inherit;
}

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

.invite-signin-form button {
  margin-top: 4px;
}