/* 首页主功能区主路径样式（阶段 2 + 阶段 3 收口） */

#platform-card .usage-guide-link {
    cursor: pointer;
    color: #5751d5;
    font-size: 14px;
    margin-left: 4px;
    text-decoration: none;
    transition: opacity 0.2s ease;
    font-weight: 600;
    line-height: 1.2;
}

#platform-card .usage-guide-link:hover {
    opacity: 0.8;
}

#platform-card .usage-guide-link:focus-visible {
    outline: 2px solid rgba(99, 102, 241, 0.35);
    outline-offset: 2px;
    border-radius: 4px;
}

#platform-card .usage-guide-link::after {
    content: none;
}

.option-card.platform-card-elevated {
    position: relative;
    z-index: 2400;
}

.platform-dropdown-menu .platform-option {
    width: 100%;
}

.platform-dropdown-menu .platform-option label,
.platform-dropdown-menu .platform-option .platform-variant-trigger {
    width: 100%;
    justify-content: center;
}

.platform-dropdown-menu .platform-option label .option-content,
.platform-dropdown-menu .platform-option .platform-variant-trigger .option-content {
    width: 100%;
    justify-content: center;
}

#platform-card .platform-option > button.platform-variant-trigger {
    -webkit-appearance: none !important;
    appearance: none !important;
    box-sizing: border-box !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    min-width: 120px !important;
    min-height: var(--option-chip-height) !important;
    margin: 0 !important;
    padding: var(--option-chip-padding) !important;
    border: 1.5px solid var(--option-border-default) !important;
    border-radius: var(--option-radius) !important;
    background: #ffffff !important;
    color: var(--option-text-default) !important;
    font: inherit !important;
    font-size: var(--option-chip-font-size) !important;
    font-weight: var(--option-font-weight) !important;
    line-height: 1.1 !important;
    text-align: center !important;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.08) !important;
    cursor: pointer !important;
}

#platform-card .platform-option > button.platform-variant-trigger .option-content {
    display: flex !important;
    width: 100% !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
}

#platform-card .platform-option.platform-option--zhuque > button.platform-variant-trigger {
    align-items: center !important;
    text-align: center !important;
}

#platform-card .platform-option.platform-option--zhuque > button.platform-variant-trigger .option-content {
    justify-content: center !important;
}

#platform-card .platform-option > input[type="radio"]:checked + button.platform-variant-trigger,
#platform-card .platform-option > button.platform-variant-trigger.is-selected {
    background: linear-gradient(135deg, #5362ff 0%, var(--platform-active) 55%, #3c4edd 100%) !important;
    border-color: #3c4edd !important;
    color: var(--option-text-selected) !important;
    box-shadow: var(--option-selected-shadow) !important;
}

#platform-card .platform-option > input[type="radio"]:checked + button.platform-variant-trigger .option-text,
#platform-card .platform-option > button.platform-variant-trigger.is-selected .option-text {
    color: inherit !important;
}

@media (min-width: 1024px) and (max-height: 1020px) {
    .main-content {
        padding-top: 46px;
    }

    .features-section .features-container {
        gap: 10px;
        margin: 10px auto 12px;
    }

    .features-section .feature-card {
        min-height: 94px;
        row-gap: 2px;
    }

    .features-section .feature-title {
        font-size: 16px;
    }

    .features-section .feature-desc {
        font-size: 12px;
        line-height: 1.35;
    }

    .features-section .feature-price {
        font-size: 10.5px;
        padding: 2px 7px;
    }

    .text-processing-area {
        --text-pane-height: clamp(224px, 29vh, 292px);
        --text-panel-header-height: 46px;
        --text-panel-meta-height: 30px;
        --text-panel-actions-height: 46px;
    }
}

@media (max-width: 1024px) {
    .main-content {
        padding-top: 50px;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding-top: 40px;
        display: flex;
        flex-direction: column;
    }

    /* 统一移动端主路径顺序：先功能，再平台，再输入处理，补充说明后置 */
    .main-content > .features-section {
        order: 1;
    }

    .main-content > .options-container {
        order: 2;
    }

    .main-content > #processing-stack,
    .main-content > .processing-stack {
        order: 3;
    }

    .main-content > .postflow-section {
        order: 5;
    }

    .option-card,
    .feature-card {
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .product-demo-section {
        order: 6;
    }

    /* 处理配置移动端布局：模式与平台堆叠；处理模式隐藏（移动端仅文本模式） */
    .options-container {
        display: flex;
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
    }

    .options-row--main {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 8px;
        width: 100%;
        align-items: stretch;
    }

    .text-processing-area {
        grid-template-columns: minmax(0, 1fr);
        width: 100%;
        max-width: 100%;
        --text-pane-height: clamp(152px, 22vh, 176px);
        --text-pane-padding: 12px;
        --text-pane-font-size: 13px;
        --text-pane-line-height: 1.5;
        --input-placeholder-font-size: 12px;
        --input-placeholder-line-height: 1.66;
        --text-panel-row-gap: 4px;
        --text-panel-header-height: 38px;
        --text-panel-meta-height: 28px;
        --text-panel-actions-height: 40px;
        gap: 10px;
        padding: 11px 12px;
        margin-bottom: 16px;
    }

    .text-processing-area .input-section,
    .text-processing-area .output-section {
        min-width: 0;
        max-width: 100%;
        margin: 0;
    }

    /* 迁移自 index.html：移动端标题排布 */
    .text-processing-area .section-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        margin: 0 0 2px;
        padding-bottom: 4px;
    }

    .text-processing-area .section-title-main,
    .text-processing-area .section-title-side {
        gap: 6px;
    }

    .text-processing-area .section-title-main span {
        font-size: 15px;
        line-height: 1.2;
    }

    .text-processing-area .section-title i {
        font-size: 14px;
    }

    .input-section .section-title {
        gap: 0;
        margin: 0;
        padding-bottom: 4px;
    }

    .input-section .section-title-main {
        min-height: 0;
    }

    .input-section .section-title-side {
        display: none;
        min-height: 0;
    }

    /* 迁移自 index.html：输出区标题保持单行提示 */
    .output-section .section-title {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        flex-wrap: nowrap;
        gap: 6px;
    }

    .output-section .section-title-main {
        flex: 1 1 auto;
        min-width: 0;
        justify-content: flex-start;
        text-align: left;
    }

    .output-section .privacy-note {
        display: inline-flex !important;
        align-items: center;
        justify-content: flex-end;
        margin-left: auto;
        margin-top: 0;
        min-width: 0;
        max-width: calc(100% - 96px);
        padding: 2px 6px;
        gap: 3px;
        font-size: clamp(7px, 1.95vw, 8px);
        line-height: 1.2;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 1;
    }

    .output-section .privacy-note i {
        margin-right: 0;
        font-size: 0.8em;
        flex-shrink: 0;
    }

    #processing-type-selection {
        display: none !important;
    }

    .options-container .option-card {
        padding: clamp(6px, 2.2vw, 10px);
        border-radius: 10px;
        overflow: visible;
        min-width: 0;
    }

    .options-container .card-header {
        display: flex;
        align-items: center;
        gap: 6px;
        margin-bottom: 6px;
    }

    .options-container .card-header i {
        font-size: 12px;
    }

    /* Shorten titles visually on mobile */
    .options-container .card-header .card-title {
        font-size: 0;
        position: relative;
    }

    #platform-card > .card-caption-mobile.card-caption-mobile--visible {
        display: none !important;
    }

    #platform-card .card-header .card-title {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        width: 100%;
        min-width: 0;
        font-size: 13px;
        line-height: 1.2;
        white-space: nowrap;
    }

    #platform-card .card-header .card-title::before {
        content: none;
    }

    #platform-card .card-header {
        align-items: center;
        margin-bottom: 8px;
    }

    #platform-card .usage-guide-link {
        margin-left: 0;
        flex: 0 0 auto;
        font-size: 0;
        line-height: 1;
        white-space: nowrap;
    }

    #platform-card .usage-guide-link::after {
        content: '指南';
        font-size: 12px;
        font-weight: 600;
        line-height: 1.1;
    }

    /* chips 横向滑动：隐藏滚动条但可滑动 */
    .platform-scroll-row::-webkit-scrollbar {
        display: none;
    }

    .platform-dropdown .dropdown-label {
        flex: 1 1 auto;
    }

    /* 操作条移动端网格布局 */
    .input-actions {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        align-items: stretch;
        justify-content: center;
        justify-items: stretch;
        padding: 4px 0 0 !important;
        height: auto;
    }

    .input-actions .button-group {
        display: contents;
    }

    .input-actions .btn {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        height: 40px;
        font-size: 12px;
        padding: 0 10px;
    }

    #import-docx-btn {
        white-space: nowrap;
    }

    #clear-btn {
        font-size: 12px;
        padding: 0 10px;
        max-width: none;
        justify-self: stretch;
        align-self: stretch;
    }

    .input-actions #import-docx-btn {
        align-self: stretch;
    }

    .input-actions #start-processing {
        font-size: 13px;
        min-width: 0;
        width: 100%;
        grid-column: 1 / -1;
    }

    /* 迁移自 index.html：移动端输出按钮尺寸 */
    #download-word-btn,
    #open-history-btn {
        padding: 8px 12px;
        font-size: 12px;
    }

    .input-text-shell,
    .output-container {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
        border: 1.5px solid #d1d5db;
        border-radius: 12px;
        background: var(--color-surface);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    }

    .output-buttons {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        padding-top: 4px;
    }

    .output-buttons .button-group {
        display: contents;
    }

    .output-buttons .btn {
        width: 100%;
        height: 40px;
        font-size: 12px;
        padding: 0 10px;
        min-width: 0;
        max-width: 100%;
    }

    #copy-btn {
        grid-column: 1 / -1;
        justify-self: stretch;
        min-width: 0;
    }

    #download-word-btn {
        grid-column: 1;
        justify-self: stretch;
    }

    #open-history-btn {
        grid-column: 2;
        justify-self: stretch;
    }

    .output-buttons #copy-btn,
    .output-buttons #download-word-btn,
    .output-buttons #open-history-btn {
        min-width: 0;
    }

    .text-count,
    .output-stats {
        flex-wrap: wrap;
        gap: 4px 8px;
        font-size: 12px;
    }

    .character-count,
    #estimated-points,
    .output-character-count,
    #consumed-points {
        font-size: 12px;
    }
}

@media (max-width: 640px) {
    .features-section .features-container {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
        padding: 0;
        overflow: visible;
        scroll-snap-type: none;
        scroll-padding-left: 0;
        scroll-padding-right: 0;
        margin: 0 auto 10px;
    }

    .features-section .feature-card {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 0;
        min-height: 54px;
        padding: 10px 8px;
        border-radius: 14px;
        row-gap: 0;
        column-gap: 0;
        scroll-snap-align: none;
        scroll-snap-stop: normal;
        text-align: center;
        box-shadow: 0 6px 14px rgba(18, 10, 51, 0.08);
    }

    .features-section .feature-header {
        justify-content: center;
        gap: 6px;
    }

    .features-section .feature-icon {
        font-size: 15px;
        flex: 0 0 auto;
    }

    .features-section .feature-title {
        font-size: 0;
        line-height: 1;
    }

    .features-section .feature-title::after {
        content: attr(data-mobile-label);
        display: block;
        font-size: 13px;
        font-weight: 700;
        line-height: 1.1;
        color: currentColor;
        white-space: nowrap;
    }

    .features-section .feature-meta {
        display: none;
    }

    .features-section .feature-desc,
    .features-section .feature-price,
    .features-section .feature-check {
        display: none;
    }

    .features-section .feature-card.active,
    .features-section .feature-card.selected {
        box-shadow: 0 10px 18px rgba(87, 81, 213, 0.16);
    }
}

@media (max-width: 480px) {
    .main-content {
        padding-top: 30px;
    }

    .features-section .features-container {
        gap: 6px;
        margin-bottom: 8px;
    }

    .features-section .feature-card {
        min-height: 50px;
        padding: 8px 6px;
        border-radius: 12px;
    }

    .features-section .feature-icon {
        font-size: 14px;
    }

    .features-section .feature-title::after {
        font-size: 12px;
    }

    .options-container {
        gap: 6px !important;
    }

    .options-container .option-card {
        padding: 6px !important;
        border-radius: 8px !important;
        overflow: visible !important;
    }

    .options-container .card-header {
        margin-bottom: 4px !important;
    }

    .options-container .card-header i {
        font-size: 11px !important;
    }

    .options-container .card-header .card-title::after {
        font-size: 10px !important;
    }

    .language-option label,
    .platform-option label,
    .platform-option .platform-variant-trigger,
    .feature-option label {
        padding: 8px 12px !important;
        font-size: 13px !important;
        min-height: 40px !important;
    }

    .option-content {
        gap: 3px !important;
    }

    .text-processing-area {
        --text-pane-height: 148px;
        --text-pane-padding: 10px;
        --text-panel-header-height: 38px;
        --text-panel-meta-height: 26px;
        --text-panel-actions-height: 38px;
        gap: 10px;
        padding: 10px;
    }

    .output-section .privacy-note {
        max-width: calc(100% - 84px);
    }
}

@media (max-width: 430px) {
    .text-processing-area {
        --text-pane-height: 140px;
        --text-pane-padding: 9px;
    }

    .input-actions .btn,
    .output-buttons .btn {
        font-size: 12px;
        padding: 0 9px;
        height: 38px;
    }

    .output-section .privacy-note {
        max-width: calc(100% - 80px);
    }
}

@media (max-width: 380px) {
    .features-section .feature-header {
        gap: 4px;
    }

    .features-section .feature-icon {
        font-size: 13px;
    }

    .features-section .feature-title::after {
        font-size: 11px;
    }

    .text-processing-area {
        --text-pane-height: 132px;
        --text-pane-padding: 8px;
        --text-panel-header-height: 36px;
        --text-panel-meta-height: 24px;
        --text-panel-actions-height: 36px;
        padding: 9px;
    }
}