:root {
  --bg1: #e8f2ec;
  --bg2: #f7faf8;
  --ink: #163028;
  --muted: #5a7268;
  --line: #d5e3db;
  --accent: #1f6b4a;
  --accent-hover: #17553a;
  --danger-bg: #fdeceb;
  --danger: #b42318;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

body.auth-page {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, #cfe8d8 0%, transparent 40%),
    radial-gradient(circle at 90% 0%, #dceee4 0%, transparent 35%),
    linear-gradient(160deg, var(--bg1), var(--bg2));
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 12px 40px rgba(22, 48, 40, 0.08);
}

.auth-card h1 {
  margin: 0 0 6px;
  font-size: 1.6rem;
}

.auth-sub {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.auth-error {
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.auth-notice {
  background: #e8f5ee;
  color: #166534;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.auth-form {
  display: grid;
  gap: 8px;
}

.auth-form label {
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 6px;
}

.auth-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 0.95rem;
  outline: none;
  background: #fbfdfc;
}

.auth-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 107, 74, 0.15);
}

.btn-primary,
.btn-google {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  border-radius: 10px;
  padding: 12px 14px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
}

.btn-primary {
  margin-top: 12px;
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-google {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-google:hover {
  background: #f4f8f6;
}

.auth-divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  margin: 18px 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  height: 1px;
  background: var(--line);
}

.auth-footer {
  margin: 18px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.auth-footer a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}