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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 480px;
}

.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
}

h1 {
    color: #333;
    font-size: 28px;
    margin-bottom: 10px;
    text-align: center;
}

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

.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

input[type="email"],
input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e4e8;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="email"]:focus,
input[type="text"]:focus {
    outline: none;
    border-color: #667eea;
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(108, 117, 125, 0.4);
}

.link-container {
    text-align: center;
    margin-top: 20px;
}

.link-container a {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
}

.link-container a:hover {
    text-decoration: underline;
}

.error {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 14px;
    border-left: 4px solid #c33;
}

.user-info {
    background: #f8f9fa;
    padding: 24px;
    border-radius: 8px;
    margin: 20px 0;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.info-item .label {
    color: #666;
    font-weight: 600;
    font-size: 14px;
}

.info-item .value {
    color: #333;
    font-size: 16px;
    font-weight: 500;
}