/**
 * ============================================================================
 * FQA国际货运代理管理系统 - 登录页面样式
 * ============================================================================
 * 颜色已统一使用CSS变量:
 * - 主色: var(--primary-color) / #006dea
 * - 成功色: var(--success-color) / #00b907
 * - 错误色: var(--error-color) / #fd5901
 * ============================================================================
 */
body {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-active) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.login-header {
    padding: 40px 40px 30px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-active) 100%);
    color: #fff;
}

.login-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 20px;
    object-fit: contain;
    background: #fff;
    padding: 10px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

.login-form {
    padding: 30px 40px 40px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    height: 44px;
    padding: 0 16px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s;
    outline: none;
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 109, 234, 0.1);
}

.login-btn {
    width: 100%;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-active) 100%);
    border: none;
    border-radius: 6px;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 109, 234, 0.4);
}

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

.login-footer {
    text-align: center;
    padding: 20px;
    background: #f9f9f9;
    color: #999;
    font-size: 12px;
}

/* 错误提示 - 使用CSS变量 */
.form-group.error .form-input {
    border-color: var(--error-color);
}

.error-message {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 6px;
}

/* 验证码 */
.captcha-group {
    display: flex;
    gap: 12px;
}

.captcha-group .form-input {
    flex: 1;
}

.captcha-img {
    height: 44px;
    border-radius: 6px;
    cursor: pointer;
}