main {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 200px);
}

.login-card {
  width: 100%;
  max-width: 26rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.login-card h1 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.login-card p.dim {
  margin: 0 0 1.5rem;
}

form label {
  display: block;
  margin-bottom: 1rem;
}
form label span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
form input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
}
form input:focus {
  outline: none;
  border-color: var(--accent);
}

form button {
  width: 100%;
  margin-top: 0.5rem;
}

.error {
  background: rgba(201, 79, 124, 0.15);
  border: 1px solid var(--accent);
  color: var(--accent-bright);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.success {
  background: rgba(138, 196, 138, 0.12);
  border: 1px solid #8ac48a;
  color: #8ac48a;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

/* Label sub-text, e.g. "(8+ characters)". */
form label span .hint {
  text-transform: none;
  letter-spacing: normal;
  color: var(--muted);
  margin-left: 0.3rem;
  font-weight: normal;
}

/* Show/hide password toggle button, positioned inside the password row. */
form label { position: relative; }
.pw-toggle {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.6rem;
  width: auto !important;
  margin: 0 !important;
}
.pw-toggle:hover { color: var(--accent); }

/* Password strength meter — sits below the password input. */
.pw-meter {
  margin: -0.5rem 0 1rem;
  font-size: 0.78rem;
}
.pw-meter__track {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}
.pw-meter__fill {
  height: 100%;
  width: 0;
  transition: width 0.15s ease, background-color 0.15s ease;
  background: #c85050;
}
.pw-meter__fill[data-level="1"] { background: #d89645; }
.pw-meter__fill[data-level="2"] { background: #d8c95a; }
.pw-meter__fill[data-level="3"] { background: #8ac48a; }
.pw-meter__fill[data-level="4"] { background: var(--accent); }
.pw-meter__label {
  margin-top: 0.35rem;
  color: var(--muted);
  min-height: 1em;
}

/* Inline checkbox row (TOS agreement, opt-in marketing, etc.) */
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 0.5rem 0 1rem;
  cursor: pointer;
}
.checkbox-row input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
}
.checkbox-row span {
  display: inline;
  margin-bottom: 0;
  text-transform: none;
  letter-spacing: normal;
  color: var(--fg-dim);
  font-size: 0.9rem;
  line-height: 1.45;
}

/* OAuth divider — "or" separator between password form and third-party auth. */
.oauth-divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.oauth-divider::before,
.oauth-divider::after {
  content: "";
  height: 1px;
  background: var(--border);
}
.oauth-divider span { text-transform: uppercase; letter-spacing: 0.08em; }

#google-signin { display: grid; justify-items: center; margin-bottom: 0.5rem; }