/* ============================================================
   memos.css — 备忘录页面专属样式
   便利贴风格设计
   ============================================================ */

[x-cloak] {
    display: none !important;
}

/* - 页面外层（全宽，吸附侧边栏到视口最左侧） */
.memos-page {
    display: flex;
    align-items: flex-start;
    width: 100%;
    min-height: calc(100vh - 120px);
    padding: 30px 0 50px 0;
    box-sizing: border-box;
}

/* - 左侧侧边栏（吸附在视口最左侧） */
.memos-sidebar {
    position: sticky;
    top: 20px;
    left: 0;
    flex-shrink: 0;
    width: 260px;
    margin-left: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), margin 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 50;
}

/* 侧边栏折叠按钮 */
.sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;   /* WCAG 2.5.8 触摸目标 */
    height: 44px;
    border: none;
    border-radius: 8px;
    background: var(--color-dent, #f5eedd);
    color: var(--color-text, #7a5a43);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    align-self: flex-end;
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: var(--color-accent, #f59768);
    color: var(--color-accent-fg, #ffdb9a);
}

.sidebar-toggle:active {
    transform: scale(0.92);
}

/* 折叠状态 */
.memos-sidebar.collapsed {
    width: 54px;  /* 44px 按钮 + 边距 */
    gap: 4px;
}

.memos-sidebar.collapsed .sidebar-toggle {
    align-self: center;
}

/* - 右侧主体（居中内容） */
.memos-main {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
    padding: 0 20px;
}

/* - 内容容器（带背景和圆角的卡片） */
.memos-container {
    width: 100%;
    max-width: 1100px;
    padding: 30px 20px 50px 20px;
    background-color: var(--color-base, #ffffff);
    border-radius: 24px;
    box-sizing: border-box;
}

.sidebar-card {
    border-radius: 12px;
    padding: 14px;
    background-color: var(--color-mantle, #fef4dd);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.sidebar-card-title {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: bold;
    color: var(--color-text, #4c4948);
}

.sidebar-card-title i {
    margin-right: 10px;
}

.sidebar-card-content {
    margin-top: 8px;
}

/* - 设置项 */
.sidebar-card-content .settings-item {
    margin-top: 8px;
    padding: 6px 10px;
    border-radius: 12px;
    box-sizing: border-box;
    background-color: var(--color-dent, #f5eedd);
}

.sidebar-card-content .settings-item .settings-title {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: bold;
    color: var(--color-text, #4c4948);
}

.sidebar-card-content .settings-item .settings-title i {
    margin-right: 10px;
}

/* - 主题设置 */
.sidebar-card-content .settings-item .themes {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.sidebar-card-content .settings-item .themes .theme-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 42px;
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-size: 10px;
    font-weight: bold;
    box-sizing: border-box;
    cursor: pointer;
}

.sidebar-card-content .settings-item .themes .theme-item i {
    margin-bottom: 2px;
}

.sidebar-card-content .settings-item .themes .theme-item.enable {
    box-shadow: 0px 0px 2px 2px var(--color-accent, #2a92d8);
}

/* - 右侧内容区 */
.memos-content {
    flex: 1;
    min-width: 0;
}

/* - 操作栏 */
.memos-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.memos-toolbar .btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: 16px;
    background: var(--color-text);
    color: var(--color-base);
    font-family: inherit;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.memos-toolbar .btn-back:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}
.memos-toolbar .btn-back:active {
    transform: translateY(0);
}

.memos-toolbar .btn-create {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border: none;
    border-radius: 16px;
    background: var(--color-accent);
    color: var(--color-accent-fg);
    font-family: inherit;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.memos-toolbar .btn-create:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}
.memos-toolbar .btn-create:active {
    transform: translateY(0);
}

/* - 便签列表（Grid布局） */
.memo-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    padding: 10px;
}

/* - 便利贴卡片 */
.memo-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    border-radius: 4px 4px 4px 20px;
    background: var(--color-memo-1, #fff9c4);
    box-shadow: 
        0 1px 1px rgba(0,0,0,0.15),
        0 10px 0 -5px var(--color-memo-1-shadow-1, #e0d9a0),
        0 10px 1px -4px rgba(0,0,0,0.15),
        0 20px 0 -10px var(--color-memo-1-shadow-2, #d4cc8a),
        0 20px 1px -9px rgba(0,0,0,0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    transform: rotate(-1deg);
    min-height: 200px;
}

.memo-card:hover {
    transform: translateY(-5px) rotate(0deg) scale(1.02);
    box-shadow: 
        0 1px 1px rgba(0,0,0,0.15),
        0 10px 0 -5px var(--color-memo-1-shadow-1, #e0d9a0),
        0 10px 1px -4px rgba(0,0,0,0.15),
        0 20px 0 -10px var(--color-memo-1-shadow-2, #d4cc8a),
        0 20px 1px -9px rgba(0,0,0,0.15),
        0 30px 20px -10px rgba(0,0,0,0.1);
    z-index: 10;
}

/* 便签纸堆叠阴影（以 CSS 变量避免 5 倍重复声明） */
.memo-card {
    box-shadow: 0 1px 1px rgba(0,0,0,0.15),
                0 10px 0 -5px var(--memo-shadow1),
                0 10px 1px -4px rgba(0,0,0,0.15),
                0 20px 0 -10px var(--memo-shadow2),
                0 20px 1px -9px rgba(0,0,0,0.15);
}
.memo-card:nth-child(5n+1) { background: var(--color-memo-1, #fff9c4); --memo-shadow1: var(--color-memo-1-shadow-1, #e0d9a0); --memo-shadow2: var(--color-memo-1-shadow-2, #d4cc8a); transform: rotate(-1deg); }
.memo-card:nth-child(5n+2) { background: var(--color-memo-2, #c8e6c9); --memo-shadow1: var(--color-memo-2-shadow-1, #9ccc65); --memo-shadow2: var(--color-memo-2-shadow-2, #7cb342); transform: rotate(1.5deg); }
.memo-card:nth-child(5n+3) { background: var(--color-memo-3, #bbdefb); --memo-shadow1: var(--color-memo-3-shadow-1, #90caf9); --memo-shadow2: var(--color-memo-3-shadow-2, #64b5f6); transform: rotate(-0.5deg); }
.memo-card:nth-child(5n+4) { background: var(--color-memo-4, #f8bbd9); --memo-shadow1: var(--color-memo-4-shadow-1, #f48fb1); --memo-shadow2: var(--color-memo-4-shadow-2, #f06292); transform: rotate(2deg); }
.memo-card:nth-child(5n+5) { background: var(--color-memo-5, #d7ccc8); --memo-shadow1: var(--color-memo-5-shadow-1, #bcAAA4); --memo-shadow2: var(--color-memo-5-shadow-2, #A1887F); transform: rotate(-1.5deg); }

.memo-card.completed {
    opacity: 0.7;
    filter: grayscale(0.3);
    transform: rotate(0deg) scale(0.98);
}

.memo-card.completed:hover {
    transform: translateY(-3px) rotate(0deg) scale(1);
}

/* - 便利贴内容 */
.memo-card .memo-icon {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 16px;
    color: var(--color-memo-icon, rgba(0,0,0,0.3));
}

.memo-card.completed .memo-icon {
    color: var(--color-memo-icon-muted, rgba(0,0,0,0.2));
}

.memo-card .memo-body {
    flex: 1;
    min-width: 0;
}

.memo-card .memo-body .memo-title {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: bold;
    color: var(--color-memo-title, #333);
    word-break: break-word;
    line-height: 1.4;
}

.memo-card .memo-body .memo-content-wrapper {
    position: relative;
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-memo-content, #444);
    opacity: 0.85;
    word-break: break-word;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
    max-height: 120px;
    overflow: hidden;
    display: block;
    /* will-change 仅在展开/悬停时按需启用，避免为每张卡片创建 GPU 合成层 */
}

.memo-card .memo-body .memo-content-wrapper.expanded,
.memo-card:hover .memo-body .memo-content-wrapper {
    will-change: max-height;
}

.memo-card .memo-body .memo-content-wrapper.expanded {
    max-height: 1000px;
}

.memo-card .memo-body .memo-content-wrapper.collapsed {
    max-height: 120px;
}

.memo-card .memo-body .memo-content-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to bottom, transparent, inherit);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.memo-card .memo-body .memo-content-wrapper.collapsed.has-more::after {
    opacity: 1;
}

.memo-card .memo-body .memo-content-wrapper .ellipsis {
    display: none;
}

.memo-card .memo-body .memo-content-wrapper.collapsed.has-more .ellipsis {
    display: inline;
}

.memo-card .memo-body .read-more {
    color: var(--color-memo-accent, rgba(0,0,0,0.5));
    font-size: 11px;
    cursor: pointer;
    text-align: right;
    padding-left: 8px;
    white-space: nowrap;
}

.memo-card .memo-body .read-more:hover {
    color: var(--color-memo-accent-hover, rgba(0,0,0,0.8));
    text-decoration: underline;
}

.memo-card .memo-body .memo-content-preview {
    margin: 0;
}

.memo-card .memo-body .memo-time {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 11px;
    color: var(--color-memo-time, rgba(0,0,0,0.4));
}

.memo-card .memo-body .memo-time .time-left {
    flex-shrink: 0;
}

/* - 操作按钮 */
.memo-card .memo-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    padding-top: 8px;
    border-top: 1px dashed var(--color-memo-divide, rgba(0,0,0,0.1));
}

.memo-card .memo-actions .action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;  /* WCAG 2.5.8 触摸目标最小尺寸 */
    min-height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--color-memo-btn-bg, rgba(255,255,255,0.6));
    color: var(--color-memo-btn-color, rgba(0,0,0,0.5));
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.memo-card .memo-actions .action-btn:hover {
    background: var(--color-memo-btn-bg-hover, rgba(255,255,255,0.9));
    color: var(--color-memo-btn-color-hover, rgba(0,0,0,0.8));
    transform: scale(1.1);
}

.memo-card .memo-actions .action-btn.delete-btn:hover {
    background: var(--color-danger, #ef5350);
    color: var(--color-danger-fg, white);
}

/* - Modal 弹窗 */
.modal-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    z-index: 10020;
}

.modal-overlay[x-cloak] {
    display: none;
}

.modal-content {
    width: 90%;
    max-width: 520px;
    max-height: 85vh;
    overflow-y: auto;
    border-radius: 14px;
    padding: 24px 28px;
    background: var(--color-base, #ffffff);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    color: var(--color-text, #333333);
    pointer-events: auto;
}

.modal-content .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.modal-content .modal-header .modal-title {
    font-size: 17px;
    font-weight: bold;
    color: var(--color-text);
}

.modal-content .modal-header .modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--color-weak);
    font-size: 16px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.modal-content .modal-header .modal-close:hover {
    background: var(--color-dent);
    color: var(--color-text);
}

.modal-content .form-group {
    margin-bottom: 14px;
}

.modal-content .form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: bold;
    color: var(--color-text);
    opacity: 0.7;
}

.modal-content .form-group input[type="text"],
.modal-content .form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--color-divide, #d0d0d0);
    border-radius: 10px;
    background: var(--color-mantle, #f5f5f5);
    color: var(--color-text, #333333);
    font-family: inherit;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
    resize: vertical;
    outline: none;
}
.modal-content .form-group input[type="text"]:focus,
.modal-content .form-group textarea:focus {
    border-color: var(--color-accent, #888888);
    box-shadow: 0 0 0 3px rgba(128, 128, 128, 0.12);
}

.modal-content .form-group textarea {
    min-height: 100px;
}

.modal-content .form-error {
    padding: 8px 14px;
    margin-bottom: 8px;
    border-radius: 8px;
    background: var(--color-danger-bg, #fff0f0);
    color: var(--color-danger, #d32f2f);
    font-size: 13px;
    font-weight: bold;
    text-align: center;
}

.modal-content .font-weight-toggle {
    display: flex;
    gap: 8px;
}
.modal-content .font-weight-toggle .weight-option {
    flex: 1;
    padding: 8px 14px;
    border: 1.5px solid var(--color-divide, #d0d0d0);
    border-radius: 8px;
    background: var(--color-mantle, #f5f5f5);
    color: var(--color-text, #333333);
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
}
.modal-content .font-weight-toggle .weight-option:hover {
    border-color: var(--color-accent, #888888);
    background: var(--color-dent, #eeeeee);
}
.modal-content .font-weight-toggle .weight-option.active {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: #000000;
    font-weight: bold;
    transform: scale(1.03);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.modal-content .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

.modal-content .modal-footer .btn {
    padding: 8px 22px;
    border: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.15s;
}
.modal-content .modal-footer .btn:hover {
    opacity: 0.85;
}

.modal-content .modal-footer .btn-cancel {
    background: var(--color-dent);
    color: var(--color-text);
}

.modal-content .modal-footer .btn-save {
    background: var(--color-accent);
    color: var(--color-accent-fg);
}

/* - 已完成区域 */
.completed-section {
    margin-top: 48px;
}

.completed-section .section-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    cursor: pointer;
    user-select: none;
    color: var(--color-weak);
}

.completed-section .section-divider .divider-line {
    flex: 1;
    height: 1px;
    background: var(--color-divide);
}

.completed-section .section-divider .divider-text {
    font-size: 13px;
    font-weight: bold;
    white-space: nowrap;
}

.completed-section .section-divider:hover {
    color: var(--color-accent);
}

/* - 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-weak);
}
.empty-state i {
    font-size: 56px;
    margin-bottom: 16px;
    display: block;
    opacity: 0.6;
}
.empty-state p {
    font-size: 15px;
    margin: 0;
}

/* SweetAlert 弹窗层级 */
.sweet-overlay {
    z-index: 10030 !important;
}
.sweet-alert {
    z-index: 10031 !important;
}

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 1024px) {
    .memo-list {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .memos-page {
        flex-direction: column;
        padding: 10px 0 40px 0;
    }

    /* 移动端侧边栏：横跨顶部 */
    .memos-sidebar {
        position: relative;
        top: auto;
        width: calc(100% - 24px);
        margin: 0 12px;
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }

    .memos-sidebar.collapsed {
        width: calc(100% - 24px);
        flex-direction: row;
    }

    .memos-sidebar .sidebar-toggle {
        align-self: center;
    }

    .memos-sidebar .sidebar-card {
        flex: 1;
    }

    .memos-main {
        padding: 0 12px;
    }

    .memos-container {
        width: 100%;
        padding: 20px 0 40px 0;
    }

    .memo-list {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 16px;
        padding: 5px;
    }

    .memo-card {
        padding: 16px;
        min-height: 180px;
        transform: rotate(0deg);
    }

    .memo-card:hover {
        transform: translateY(-3px) rotate(0deg) scale(1.02);
    }

    .modal-content {
        width: 95%;
        max-width: none;
        max-height: 90vh;
        padding: 20px 16px;
        border-radius: 12px;
    }

    .memos-toolbar .btn-create {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .memo-list {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .memo-card {
        min-height: 160px;
    }

    .memo-card .memo-actions {
        justify-content: center;
    }
}