:root {
  --gdb-lilas: #58349f;
  --gdb-lilas-dark: #432879;
  --gdb-lilas-darker: #2f1c56;
  --gdb-amarelo: #ffcc00;
  --bg-app: #f4f2f9;
  --text-main: #2b2140;
  --text-muted: #6b6280;
  --card-border: #e4defa;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-soft: 0 4px 18px rgba(88, 52, 159, 0.10);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: 'Nunito', -apple-system, Segoe UI, Roboto, sans-serif;
  background: linear-gradient(160deg, var(--gdb-lilas) 0%, var(--gdb-lilas-dark) 55%, var(--gdb-lilas-darker) 100%);
  color: var(--text-main);
}

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 36px 32px;
  text-align: center;
}

.auth-brand {
  font-family: 'Fredoka', sans-serif;
  font-weight: 700;
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--gdb-lilas);
}

.auth-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin: 4px 0 24px;
  font-weight: 600;
}

.auth-card form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-card label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 10px;
}

.auth-card input[type="text"],
.auth-card input[type="password"],
.auth-card input[type="email"] {
  padding: 11px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--card-border);
  font-size: 15px;
  font-family: inherit;
  background: var(--bg-app);
  color: var(--text-main);
}

.auth-card input:focus {
  outline: none;
  border-color: var(--gdb-lilas);
}

.auth-btn {
  margin-top: 20px;
  padding: 12px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--gdb-lilas);
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease;
}
.auth-btn:hover { background: var(--gdb-lilas-dark); }

.auth-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--gdb-lilas);
  text-decoration: none;
}
.auth-link:hover { text-decoration: underline; }

.auth-alert {
  background: #fdeaea;
  color: #a13333;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
  text-align: left;
}
.auth-alert-warn { background: #fff6dd; color: #8a6a10; }

.auth-msg {
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.5;
  text-align: left;
}
.auth-msg-small {
  font-size: 12px;
  color: var(--text-muted);
  text-align: left;
}