/* 共用输入与辅助行。计数器在输入框外，不会遮住滚动中的正文。 */
.uap-thought-form {
    --uap-composer-indent: 60px;
    container: uap-thought-form / inline-size;
}
textarea.uap-thought-textarea,
textarea.uap-thought-editor-textarea {
    display: block;
    width: 100%;
    max-width: 100%;
    min-height: 90px;
    box-sizing: border-box;
    padding: 12px 14px;
    border: 1px solid var(--uap-border);
    border-radius: var(--uap-radius-sm);
    background: var(--uap-surface);
    color: var(--uap-text);
    font-family: inherit;
    font-size: 15px;
    line-height: 1.6;
    resize: none;
    overflow-y: auto;
    box-shadow: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
textarea.uap-thought-textarea:hover,
textarea.uap-thought-editor-textarea:hover {
    border-color: var(--uap-border-hover);
}
textarea.uap-thought-textarea:focus,
textarea.uap-thought-editor-textarea:focus {
    outline: none;
    background: var(--uap-surface);
    border-color: var(--uap-action-bg);
    box-shadow: 0 0 0 3px rgba(var(--uap-primary-rgb), 0.12);
}
textarea.uap-thought-textarea::placeholder,
textarea.uap-thought-editor-textarea::placeholder {
    color: var(--uap-text-muted, #6b7280);
}
.uap-composer-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 4px 12px;
    width: 100%;
    box-sizing: border-box;
    margin-top: 6px;
    min-height: 24px;
}
.uap-composer-meta .uap-md-help-hint {
    margin-top: 0;
}
.uap-thought-counter,
.uap-thought-editor-counter {
    position: static;
    margin-left: auto;
    font-size: 12px;
    line-height: 1.6;
    color: var(--uap-text-muted, #6b7280);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}
.uap-md-previewing + .uap-composer-meta .uap-thought-counter,
.uap-md-previewing + .uap-composer-meta .uap-thought-editor-counter {
    visibility: hidden;
}
.uap-thought-images-grid,
.uap-thought-editor-images-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
    max-width: 316px;
    min-width: 0;
}
.uap-thought-image-item,
.uap-thought-editor-image-item {
    width: 100%;
    height: auto;
    min-width: 0;
    aspect-ratio: 1;
}
.uap-thought-form > .uap-schedule-time-text,
.uap-thought-editor-body > .uap-editor-schedule-text {
    box-sizing: border-box;
    max-width: 100%;
    margin-top: 12px;
    min-height: 28px;
}
.uap-thought-form > .uap-schedule-time-text {
    margin-left: var(--uap-composer-indent, 60px);
    max-width: calc(100% - var(--uap-composer-indent, 60px));
}
.uap-thought-toolbar-end .uap-thought-submit-btn,
.uap-thought-editor-footer > .uap-btn,
.uap-thought-toolbar-end .uap-md-preview-toggle,
.uap-thought-editor-footer-start .uap-md-preview-toggle {
    box-sizing: border-box;
    min-height: 40px;
    line-height: 1.4;
}

/* ==========================================================================
   想法编辑器工具栏：单一按钮标准
   两种场景共享输入、辅助行、图片和工具按钮；模板仅保留场景布局与媒体状态。
   ========================================================================== */
.uap-thought-tools .uap-thought-tool-btn,
.uap-thought-editor-tools .uap-thought-editor-tool-btn {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--uap-radius-sm);
    color: var(--uap-text-muted);
    cursor: pointer;
    box-shadow: none;
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.uap-thought-tools .uap-thought-tool-btn svg,
.uap-thought-editor-tools .uap-thought-editor-tool-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke: currentColor;
}

.uap-thought-tools .uap-thought-tool-btn:hover,
.uap-thought-editor-tools .uap-thought-editor-tool-btn:hover {
    background: var(--uap-primary-bg);
    color: var(--uap-action-bg);
}

.uap-thought-tools .uap-thought-tool-btn:active,
.uap-thought-editor-tools .uap-thought-editor-tool-btn:active {
    transform: scale(0.94);
}

/* 键盘可见焦点：图标按钮原先没有任何 focus 指示 */
.uap-thought-tools .uap-thought-tool-btn:focus-visible,
.uap-thought-editor-tools .uap-thought-editor-tool-btn:focus-visible {
    outline: 2px solid var(--uap-action-bg);
    outline-offset: 2px;
}

/* 带文字的常用工具（图片、话题）：浅底胶囊，和图标按钮同高 */
.uap-thought-tools .uap-thought-tool-btn.has-label {
    width: auto;
    gap: 5px;
    padding: 0 12px 0 9px;
    border-radius: var(--uap-radius-full);
    background: var(--uap-surface-hover);
    color: var(--uap-text-muted);
    font-size: var(--uap-text-sm);
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
}

.uap-thought-tools .uap-thought-tool-btn.has-label svg {
    width: 17px;
    height: 17px;
}

/* 信息流发布框：平时收起为一行入口，点击或聚焦后展开工具行（thought-form.php 控制状态）。
   只作用于信息流，创作中心的发布表单保持完整展开。 */
.uap-thought-stream-form .uap-thought-form {
    transition: padding var(--uap-duration, 200ms) var(--uap-ease-out, ease);
}

.uap-thought-stream-form .uap-thought-form textarea.uap-thought-textarea {
    transition: min-height var(--uap-duration, 200ms) var(--uap-ease-out, ease), height var(--uap-duration, 200ms) var(--uap-ease-out, ease), background-color var(--uap-duration-fast, 120ms) ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.uap-thought-stream-form .uap-thought-form.is-collapsed {
    padding-top: 14px;
    padding-bottom: 14px;
}

.uap-thought-stream-form .uap-thought-form.is-collapsed .uap-thought-form-header {
    align-items: center;
}

.uap-thought-stream-form .uap-thought-form.is-collapsed textarea.uap-thought-textarea {
    min-height: 42px;
    height: 42px;
    padding-top: 9px;
    padding-bottom: 9px;
    overflow: hidden;
    border-color: transparent;
    background: var(--uap-surface-hover);
    cursor: text;
}

.uap-thought-stream-form .uap-thought-form.is-collapsed textarea.uap-thought-textarea:hover {
    border-color: var(--uap-border);
}

.uap-thought-stream-form .uap-thought-form.is-collapsed .uap-composer-meta,
.uap-thought-stream-form .uap-thought-form.is-collapsed .uap-thought-toolbar,
.uap-thought-stream-form .uap-thought-form.is-collapsed .uap-md-bar {
    display: none;
}

.uap-thought-stream-form .uap-thought-form:not(.is-collapsed) .uap-thought-toolbar {
    animation: uap-composer-reveal var(--uap-duration, 200ms) var(--uap-ease-out, ease-out);
}

@keyframes uap-composer-reveal {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .uap-thought-stream-form .uap-thought-form:not(.is-collapsed) .uap-thought-toolbar {
        animation: none;
    }
}

/* 工具组优先保留一整行的宽度；小于该宽度时允许换行，避免窄容器溢出。
 * 定时时间独立于工具组，不参与六个图标的宽度计算。 */
.uap-thought-form .uap-thought-tools,
.uap-thought-editor-toolbar .uap-thought-editor-tools {
    display: flex;
    flex: 1 1 246px;
    min-width: 0;
    flex-wrap: wrap;
    gap: 6px;
}

.uap-thought-toolbar {
    flex-wrap: wrap;
    row-gap: 12px;
}

/* 提交区（预览 + 发布）整体作为一个换行单元 */
.uap-thought-toolbar .uap-thought-toolbar-end {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
    margin-left: auto;
}

@media (max-width: 640px) {
    .uap-thought-form .uap-thought-tools,
    .uap-thought-editor-toolbar .uap-thought-editor-tools {
        flex-wrap: wrap;
        row-gap: 6px;
    }

    /* 发布器：工具行独占一行，发布按钮整行铺满（更大的点击区域）。
       与上面的桌面规则同为 (0,2,0) 特异性，不需要 !important。 */
    .uap-thought-form .uap-thought-tools {
        flex: 1 1 100%;
        justify-content: flex-start;
    }

    /* 提交区独占一行：预览保持自身宽度，发布按钮吃掉剩余空间
       —— [预览] [        发布想法        ] */
    .uap-thought-toolbar .uap-thought-toolbar-end {
        flex: 1 1 100%;
        width: 100%;
        margin-left: 0;
    }

    .uap-thought-toolbar-end .uap-md-preview-toggle {
        flex: 0 0 auto;
    }

    .uap-thought-toolbar-end .uap-thought-submit-btn {
        flex: 1 1 auto;
        min-width: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .uap-thought-tools .uap-thought-tool-btn,
    .uap-thought-editor-tools .uap-thought-editor-tool-btn {
        transition: none;
        transform: none !important;
    }
}

/* 容器断点：桌面侧栏也使用紧凑布局，不能只判断页面视口。
   头像始终与输入框左右并排（微博 / X 发布器惯例）；只把工具行和媒体预览拉满宽度。 */
@container uap-thought-form (max-width: 480px) {
    .uap-thought-form .uap-thought-form-header {
        flex-direction: row;
        align-items: flex-start;
        gap: 10px;
    }
    .uap-thought-form .uap-thought-images-preview,
    .uap-thought-form .uap-thought-video-preview,
    .uap-thought-form .uap-thought-toolbar { padding-left: 0; }
    .uap-thought-form > .uap-schedule-time-text { margin-left: 0; max-width: 100%; }
    .uap-thought-form .uap-thought-tools { flex: 1 1 100%; }
    .uap-thought-toolbar .uap-thought-toolbar-end { flex: 1 1 100%; margin-left: 0; width: 100%; }
    .uap-thought-toolbar-end .uap-thought-submit-btn { flex: 1 1 auto; min-width: 0; }
    textarea.uap-thought-textarea { font-size: 16px; }
}
/* 小屏回退；同时覆盖不支持容器查询的浏览器。 */
@media (max-width: 640px) {
    .uap-thought-form-header {
        flex-direction: row;
        align-items: flex-start;
        gap: 10px;
    }
    .uap-thought-form > .uap-schedule-time-text { margin-left: 0; max-width: 100%; }
    textarea.uap-thought-textarea,
    textarea.uap-thought-editor-textarea { font-size: 16px; }
}