:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border-color: #1f2937;
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --card-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Outfit', sans-serif;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.15s ease;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Fundo abstrato */
body::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.2) 0%, rgba(99, 102, 241, 0) 70%);
  top: -100px;
  right: -50px;
  z-index: -1;
}

body::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(79, 70, 229, 0) 70%);
  bottom: -150px;
  left: -100px;
  z-index: -1;
}

.login-wrapper {
  width: 100%;
  max-width: 420px;
  padding: 20px;
  position: relative;
}

.theme-toggle-container {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.theme-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--card-shadow);
}

.login-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px 32px;
  box-shadow: var(--card-shadow);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.brand-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background-color: var(--primary-color);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 16px;
}

.login-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Alertas */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.alert-danger {
  background-color: rgba(239, 110, 110, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 110, 110, 0.2);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Formulário */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
}

.form-group input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}

.forgot-password, .back-to-login {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}

.forgot-password:hover, .back-to-login:hover {
  text-decoration: underline;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #ffffff;
}

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