* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 20px;
}

.login-box {
  background: white;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.login-box h1 {
  font-size: 28px;
  color: #333;
  text-align: center;
  margin-bottom: 5px;
}

.login-box p {
  color: #666;
  text-align: center;
  margin-bottom: 30px;
  font-size: 14px;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 25px;
}

.tab-btn {
  padding: 10px;
  border: 2px solid #ddd;
  background: white;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s;
}

.tab-btn.active {
  background: #667eea;
  color: white;
  border-color: #667eea;
}

.form-tab {
  display: none;
}

.form-tab.active {
  display: block;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
}

.form-group input {
  width: 100%;
  padding: 12px;
  border: 2px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
}

.btn {
  width: 100%;
  padding: 12px;
  background: #667eea;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.btn:hover {
  background: #5568d3;
}

.alert {
  padding: 12px;
  border-radius: 5px;
  margin-bottom: 20px;
  font-size: 14px;
}

.alert.error {
  background: #fee;
  color: #c33;
  border: 1px solid #fcc;
}

.alert.success {
  background: #efe;
  color: #3c3;
  border: 1px solid #cfc;
}

.forgot-password {
  text-align: center;
  margin-top: 15px;
}

.forgot-password a {
  color: #667eea;
  text-decoration: none;
  font-size: 13px;
}

.forgot-password a:hover {
  text-decoration: underline;
}

#resetMessage {
  margin-top: 10px;
  text-align: center;
  font-weight: 600;
}

.alert.info {
  background: #d0ebff;
  color: #1971c2;
  border: 1px solid #a5d8ff;
}

.btn.btn-info {
  background: #667eea;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
}

.btn.btn-info:hover {
  background: #5568d3;
}