:root {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  background-color: #f5f7fb;
  color: #1b1f2a;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: #ffffff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

.auth-card h1 {
  margin: 0 0 8px;
  font-size: 24px;
}

.auth-card p {
  margin: 0 0 24px;
  color: #4b5563;
}

.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  font-size: 14px;
  box-sizing: border-box;
}

button {
  width: 100%;
  padding: 12px 16px;
  border: none;
  background: #2563eb;
  color: #ffffff;
  border-radius: 10px;
  font-size: 15px;
  cursor: pointer;
}

button:disabled {
  background: #94a3b8;
  cursor: not-allowed;
}

.helper {
  font-size: 13px;
  color: #6b7280;
  margin-top: 8px;
}

.link-row {
  margin-top: 16px;
  text-align: center;
}

.link-row a {
  color: #2563eb;
  text-decoration: none;
}

.alert {
  background: #fee2e2;
  color: #991b1b;
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 14px;
}

.success {
  background: #dcfce7;
  color: #166534;
}

.strength-meter {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.strength-dot {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: #e5e7eb;
}

.strength-dot.active.weak {
  background: #ef4444;
}

.strength-dot.active.medium {
  background: #f59e0b;
}

.strength-dot.active.strong {
  background: #10b981;
}

.dashboard {
  text-align: center;
}

.dashboard p {
  margin-bottom: 24px;
}