/* 注册页面样式 */
body {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Microsoft YaHei", 微软雅黑, Arial, sans-serif;
    padding: 20px 0;
    padding-bottom: 80px;
}

.register-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.register-header {
    text-align: center;
    margin-bottom: 30px;
}

.register-header h1 {
    color: #333;
    font-size: 28px;
    font-weight: 300;
    margin: 0 0 10px 0;
}

.register-header p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

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

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    background: #fff;
}

.form-control:focus {
    outline: none;
    border-color: #764ba2;
    box-shadow: 0 0 0 3px rgba(118, 75, 162, 0.1);
}

.form-control::placeholder {
    color: #aaa;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #aaa;
    font-size: 16px;
}

.form-control.with-icon {
    padding-left: 45px;
}

.btn-register {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(118, 75, 162, 0.3);
}

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

.form-links {
    text-align: center;
    margin-top: 20px;
}

.form-links a {
    color: #764ba2;
    text-decoration: none;
    font-size: 14px;
    margin: 0 10px;
}

.form-links a:hover {
    color: #667eea;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 8px;
    margin-top: 3px;
}

.checkbox-group label {
    font-size: 13px;
    color: #666;
    cursor: pointer;
    line-height: 1.4;
}

.error-message {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 10px;
    text-align: center;
}

.success-message {
    color: #27ae60;
    font-size: 14px;
    margin-top: 10px;
    text-align: center;
}

.password-strength {
    font-size: 12px;
    margin-top: 5px;
    padding: 0 20px;
}

.strength-weak { color: #e74c3c; }
.strength-medium { color: #f39c12; }
.strength-strong { color: #27ae60; }

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

@media (max-width: 480px) {
    .register-container {
        margin: 20px;
        padding: 30px 25px;
    }

    .register-header h1 {
        font-size: 24px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    /* Footer 移动端样式 */
    footer p {
        font-size: 10px !important;
    }

    footer a {
        display: block;
        margin-top: 3px;
    }
}