h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

:root {
    --primary-blue: #1a73e8;
    --primary-blue-hover: #174ea6;
    --text-main: #202124;
    --text-secondary: #5f6368;
    --bg-light: #f8f9fa;
    --card-bg: #f1f3f4;
    --border-color: #dadce0;
    --link-color: #1a73e8;
    --font-google-sans: 'Google Sans', 'Roboto', 'Arial', sans-serif;
    --font-roboto: 'Roboto', 'Arial', sans-serif;
}

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

body {
    font-family: var(--font-roboto);
    color: var(--text-main);
    background-color: #ffffff;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 导航栏 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    min-height: 40px;
    border-bottom: 1px solid var(--border-color);
    background-color: #ffffff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-google-sans);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.5px;
}

/* Google Logo Colors */
.g-blue { color: #4285F4; }
.g-red { color: #EA4335; }
.g-yellow { color: #FBBC05; }
.g-green { color: #34A853; }

.messages-text {
    color: var(--text-secondary);
    margin-left: 6px;
    font-weight: 400;
}

/* 通用按钮样式 */
.btn {
    font-family: var(--font-google-sans);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.25px;
    padding: 10px 24px;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: #ffffff;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-blue-hover);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.btn-primary:active {
    box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* 链接样式 */
.link {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 400;
}

.link:hover, .link:focus {
    text-decoration: underline;
}

/* 主内容区布局 */
.main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 64px 24px;
}

.content-wrapper {
    display: flex;
    max-width: 1040px;
    width: 100%;
    justify-content: center; /* 改为居中对齐，消除 space-between 带来的多余弹性空白 */
    align-items: flex-start;
    gap: 34px; /* 约等于 9mm，符合 8-10mm 要求 */
    margin-bottom: 60px;
}

/* 左侧说明文字 */
.instructions-section {
    flex: 1;
    max-width: 500px;
}

.main-title {
    font-family: var(--font-google-sans);
    font-size: 36px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 40px;
    color: var(--text-main);
}

.steps-list {
    list-style-type: decimal;
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.steps-list li {
    margin-bottom: 16px;
    padding-left: 8px;
}

.steps-list strong {
    font-weight: 500;
    color: var(--text-main);
}

.icon-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    vertical-align: middle;
}

.message-icon {
    display: block;
}

.helper-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 16px;
}

/* 右侧二维码 */
.qr-section {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-container {
    background-color: var(--primary-blue);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
    margin-bottom: 24px;
}

.qr-code-box {
    background-color: #ffffff;
    padding: 16px;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-img {
    display: block;
    width: 250px;
    height: 250px;
}

.toggle-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toggle-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Toggle Switch 组件 */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .slider {
    background-color: var(--primary-blue);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--primary-blue);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* 圆角 */
.slider.round {
    border-radius: 24px;
}

.slider.round:before {
    border-radius: 50%;
}

/* 底部卡片 */
.bottom-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 24px 32px;
    width: 100%;
    max-width: 1040px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.card-text {
    font-size: 16px;
    color: var(--text-main);
    font-family: var(--font-google-sans);
}

/* 页脚 */
.footer {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-start;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    font-family: var(--font-google-sans);
}

.footer-link:hover {
    color: var(--text-main);
}

/* 错误提示/Toast 动画 */
.toast {
    visibility: hidden;
    min-width: 250px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 4px;
    padding: 16px;
    position: fixed;
    z-index: 1000;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%);
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s, bottom 0.3s;
}

.toast.show {
    visibility: visible;
    opacity: 1;
    bottom: 50px;
}

/* 响应式断点 */
@media screen and (max-width: 860px) {
    .content-wrapper {
        flex-direction: column;
        align-items: center;
        gap: 34px; /* 移动端保持一致的间距 */
    }

    .instructions-section {
        max-width: 100%;
        text-align: center;
    }

    .steps-list {
        text-align: left;
        display: inline-block;
    }

    .main-title {
        font-size: 28px;
    }

    .bottom-card {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .bottom-card .btn {
        width: 100%;
    }
}

@media screen and (max-width: 480px) {
    .main-title {
        font-size: 24px;
    }

    .qr-container {
        padding: 24px;
    }

    .qr-img {
        width: 200px;
        height: 200px;
    }

    .navbar {
        padding: 12px 16px;
    }
}