#notesFilter { display: flex; flex-wrap: wrap; gap: 4px; }
.cat-btn {
    padding: 1px 12px;
    font-size: 12px;
    font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
    background: linear-gradient(to bottom, #fefefe 0%, #E5EAF5 30%, #D4DBED 31%, #E1E6F6 100%);
    border: 1px solid #8b8b8b;
    border-radius: 3px;
    color: #000;
    cursor: pointer;
}
.cat-btn:hover { background: #a7a7a7; }
.cat-btn.active {
    background: linear-gradient(to bottom, #4A77A9 0%, #225E9E 50%, #164686 51%, #2F7AB3 100%);
    border-color: #99B1CE;
    color: #FFFFFF;
}
.cat-btn img { vertical-align: middle; margin-right: 3px; }

/* ---- 便笺网格 ---- */
.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 22px 16px;
    align-items: start;
}

/* ---- 单张便笺（原图显示） ---- */
.note {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 210px;
    padding: 13px 12px 12px 8px;
    box-sizing: border-box;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
    cursor: url("../../images/aero_link.cur"), pointer;
    transition: filter 0.18s ease;
}

/* 平时不显示阴影，悬停时显示 */
.note:hover {
    filter: drop-shadow(3px 4px 3px rgba(0, 0, 0, 0.22));
}



/* 便笺文字区 */
.note-title {
    font-size: 13px;
    font-weight: bold;
    line-height: 1.35;
    margin: 0 0 6px;
    z-index: 2;
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.note-content {
    font-size: 12px;
    line-height: 1.5;
    flex: 1;
    overflow: hidden;
    z-index: 2;
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    line-clamp: 5;
    -webkit-box-orient: vertical;
}

.note-content p {
    margin: 0 0 6px;
}

.note-content p:last-child {
    margin-bottom: 0;
}

.note-content code {
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 3px;
    padding: 0 3px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 11px;
}

/* 出处标记（歌词摘录 / 名言等） */
.note-source {
    margin-top: 6px;
    font-size: 11px;
    font-style: italic;
    line-height: 1.4;
    opacity: 0.75;
    text-align: right;
    z-index: 2;
    word-break: break-word;
}

.note-source::before {
    content: "—— ";
}

.note-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px dashed rgba(0, 0, 0, 0.18);
    z-index: 2;
}

.note-tag {
    font-size: 10px;
    font-weight: bold;
    padding: 1px 8px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
    white-space: nowrap;
}

.note-date {
    font-size: 10px;
    color: rgba(0, 0, 0, 0.55);
    white-space: nowrap;
}

/* 各类型底图 */
.note-yellow { background-image: url("sticky_yellow.png"); }
.note-blue   { background-image: url("sticky_blue.png"); }
.note-green  { background-image: url("sticky_green.png"); }
.note-pink   { background-image: url("sticky_pink.png"); }
.note-purple { background-image: url("sticky_purple.png"); }
.note-white  { background-image: url("sticky_white.png"); }

/* 空状态 */
.notes-empty {
    text-align: center;
    padding: 40px 10px;
    color: #6b7a8a;
    font-size: 13px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px dashed rgba(120, 150, 180, 0.6);
    border-radius: 8px;
}

/* ---- 便笺详情弹窗（Vista 风格，复用主站 .vista-dialog） ---- */
#noteDialogBody {
    padding: 16px 18px;
}

#noteDialogTitle {
    flex: 1;
    margin-right: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.note-dialog-img {
    text-align: center;
    margin: 14px 0;
}

.note-dialog-img img {
    max-width: 100%;
    max-height: 300px;
    border: 1px solid #b9c9d9;
    border-radius: 3px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
}

.note-dialog-content {
    font-size: 13px;
    line-height: 1.8;
    word-break: break-word;
}

.note-dialog-content p {
    margin: 0 0 8px;
}

.note-dialog-content p:last-child {
    margin-bottom: 0;
}

.note-dialog-content code {
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 3px;
    padding: 0 3px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 12px;
}

/* ---- 移动端适配 ---- */
@media screen and (max-width: 1000px) {
    .notes-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 18px 12px;
    }

    .note {
        min-height: 180px;
        padding: 13px 10px 10px 8px;
    }

    .note-title {
        font-size: 13px;
    }

    .note-content {
        font-size: 12px;
    }
}