* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.auth-wrapper {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}
.auth-box {
    background: #fff;
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.auth-header {
    text-align: center;
    margin-bottom: 32px;
}
.auth-header h1 {
    font-size: 28px;
    color: #4a90d9;
    margin-bottom: 8px;
}
.auth-header p {
    color: #888;
    font-size: 15px;
}
.auth-form {
    margin-bottom: 24px;
}
.form-group {
    margin-bottom: 16px;
}
.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s;
}
.form-group input:focus {
    outline: none;
    border-color: #4a90d9;
}
.btn {
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.3s;
    text-align: center;
    text-decoration: none;
    display: inline-block;
}
.btn-block {
    width: 100%;
    display: block;
}
.btn-primary {
    background: #4a90d9;
    color: #fff;
    font-weight: 600;
}
.btn-primary:hover {
    background: #357abd;
}
.btn-outline {
    background: transparent;
    color: #4a90d9;
    border: 2px solid #4a90d9;
    font-weight: 600;
}
.btn-outline:hover {
    background: #4a90d9;
    color: #fff;
}
.auth-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #eee;
}
.auth-footer p {
    color: #888;
    font-size: 14px;
    margin-bottom: 12px;
}