:root {
    --primary-color: #007AFF;
    --primary-light: rgba(0, 122, 255, 0.15);
    --secondary-color: #FF3B30;
    --secondary-light: rgba(255, 59, 48, 0.15);
    --text-color: #1C1C1E;
    --text-light: #8E8E93;
    --background-color: #F5F5F7;
    --card-bg: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.8);
    --completed-color: #D1D1D6;
    --border-color: rgba(255, 255, 255, 0.3);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --blur: 12px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #F5F5F7;
        --text-light: #AEAEB2;
        --card-bg: #1C1C1E;
        --background-color: #000000;
        --border-color: #3A3A3C;
        --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        --glass-bg: rgba(30, 30, 30, 0.7);
        --glass-border: rgba(70, 70, 70, 0.5);
    }
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background-color);
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 122, 255, 0.05) 0%, transparent 20%), radial-gradient(circle at 90% 80%, rgba(255, 59, 48, 0.05) 0%, transparent 20%);
    background-attachment: fixed;
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    max-width: 1100px;
    margin: 50px auto;
    padding: 35px;
    width: 92%;
    max-width: 1200px;
    box-sizing: border-box;
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.container:hover {
    box-shadow: var(--shadow-hover);
}

.main-content {
    display: flex;
    gap: 30px;
    width: 100%;
    margin-top: 15px;
    align-items: flex-start;
}

.filter-container {
    flex: 0 0 100%;
    padding: 22px;
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}
.todo-container {
    flex: 1;
    padding: 22px;
    border-radius: 16px;
    background-color: rgba(255, 255, 255, 0.05);
}

.mobile-device .filter-container, .mobile-device .todo-container { padding: 15px; }
.mobile-device .filter-container { margin-bottom: 20px; border-bottom: 1px solid #eee; }
.mobile-device h1 { font-size: 24px; }

.todo-input-container { display: flex; gap: 10px; margin-bottom: 20px; align-items: center; }

.mobile-device .todo-input-container { flex-direction: column; }
.mobile-device .icon-category-container { justify-content: center; width: 100%; margin-bottom: 10px; }
#todo-input, #edit-input, #tag-input, .edit-input-large { width: 100% !important; padding: 12px; font-size: 16px; border: 1px solid #999; border-radius: 16px; background-color: #f0f0f0; box-sizing: border-box; margin: 0; }
.icon-category-container { display: flex; flex-wrap: nowrap; gap: 4px; margin: 15px 0; padding: 12px 0px; background-color: #f8f9fa; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); justify-content: flex-start; }

.icon-category-container::-webkit-scrollbar { height: 4px; }

.icon-category-container::-webkit-scrollbar-thumb { background-color: rgba(0, 0, 0, 0.2); border-radius: 2px; }
.icon-category-btn { display: flex; align-items: center; gap: 6px; padding: 8px 5px; border-radius: 20px; border: 1px solid transparent; font-size: 13px; cursor: pointer; transition: var(--transition); background-color: white; box-shadow: 0 2px 4px rgba(0,0,0,0.05); white-space: nowrap; }
.icon-category-btn:hover { transform: scale(1.1); background-color: #e0e0e0; }
.icon-category-btn.active { background-color: var(--primary-color); color: white; box-shadow: 0 2px 8px rgba(63, 81, 181, 0.3); }
#add-btn { padding: 14px 24px; font-size: 16px; font-weight: 600; width: auto; white-space: nowrap; background-color: var(--secondary-color); color: white; border: none; border-radius: 20px; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 8px rgba(255, 64, 129, 0.25); }

.mobile-device .main-content { flex-direction: column; }
.mobile-device .filter-container, .mobile-device .todo-container { flex: none; width: 100%; }

/* 响应式样式 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
        max-width: 100%;
    }
    
    .todo-input-container {
        flex-direction: column;
        gap: 10px;
    }
    
    #todo-input, #category-select, #add-btn {
        width: 100%;
    }
    
    .filter-groups {
        flex-direction: column;
        gap: 10px;
    }
    
    .status-filters, .type-filters {
        width: 100%;
        overflow-x: auto;
        padding: 10px 15px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    
    h1 {
        font-size: 20px;
    }
}

/* 修复额外的闭合括号 */

/* 编辑模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 24px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    transform: translateY(20px) scale(0.98);
    opacity: 0;
}

.modal.active .modal-content {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* 编辑模态框标签列表样式 */
#tags-list {
    max-height: 120px;
    overflow-y: auto;
    padding: 10px;
    margin-top: 10px;
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* 自定义滚动条 - iOS风格 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(155, 155, 155, 0.5);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 100, 100, 0.6);
}

h1 {
    color: var(--primary-color);
    text-align: center;
    margin: 0 0 35px 0;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.todo-input-container {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
    padding: 18px;
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

#todo-input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    transition: var(--transition);
}

#todo-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
    transform: scale(1.01);
}

#todo-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

#add-btn {
    padding: 14px 24px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(255, 59, 48, 0.3);
    backdrop-filter: blur(4px);
    position: relative;
    overflow: hidden;
}

#add-btn:hover:not(:disabled) { background-color: var(--secondary-dark); transform: translateY(-2px) scale(1.03); box-shadow: 0 6px 15px rgba(255, 64, 129, 0.35);
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 64, 129, 0.3);
}

#add-btn:hover {
    background-color: #FF3B30 !important;
    background-image: none !important;
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 10px 25px rgba(255, 59, 48, 0.6), 0 0 0 3px rgba(255, 59, 48, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

#add-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to bottom right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(30deg);
    animation: shine 4s infinite;
    pointer-events: none;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) rotate(30deg);
    }
    100% {
        transform: translateX(100%) rotate(30deg);
    }
}

#add-btn:active {
    transform: scale(0.98);
    box-shadow: 0 2px 8px rgba(255, 59, 48, 0.3);
    background-color: var(--secondary-color);
}

#add-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.4);
}

#add-btn:disabled {
    background-color: rgba(255, 59, 48, 0.6);
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 2px 8px rgba(255, 59, 48, 0.2);
}

#todo-input.error {
    border-color: #ff4444;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}

.todo-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.todo-item {
    display: flex;
    align-items: center;
    padding: 16px 22px;
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    margin-bottom: 14px;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
    flex-wrap: wrap;
    gap: 10px 15px;
    max-width: 100%;
}

.todo-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.todo-text {
    flex: 1;
    min-width: 120px;
}

.category-badge {
    min-width: 50px;
    text-align: center;
}

.tags-container {
    order: 4;
    width: 100%;
    margin: 8px 0 0 30px;
    display: flex;
    align-items: center;
}

.tags-label {
    font-size: 12px;
    color: #666;
    margin-right: 8px;
    font-weight: bold;
    white-space: nowrap;
}

.todo-item:hover {
    transform: translateY(-2px);
}

.todo-text {
    flex: 1;
    margin-left: 10px;
    transition: var(--transition);
    word-break: break-word;
    padding: 0 10px;
}

.category-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    margin-right: 10px;
    font-weight: 500;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.category-badge.work { background-color: rgba(63, 81, 181, 0.3); color: var(--primary-color); }
.category-badge.life { background-color: rgba(76, 175, 80, 0.3); color: #2e7d32; }
.category-badge.study { background-color: rgba(255, 152, 0, 0.3); color: #ef6c00; }
.category-badge.health { background-color: rgba(244, 67, 54, 0.3); color: #c62828; }
.category-badge.entertainment { background-color: rgba(156, 39, 176, 0.3); color: #6a1b9a; }
.category-badge.travel { background-color: rgba(255, 112, 67, 0.3); color: #e65100; }
.category-badge.other { background-color: rgba(158, 158, 158, 0.3); color: #616161; }

/* 任务项左侧边框颜色标识 */
.todo-item[data-category='work'] { border-left: 4px solid var(--primary-color); }
.todo-item[data-category='life'] { border-left: 4px solid #4CAF50; }
.todo-item[data-category='study'] { border-left: 4px solid #FF9800; }
.todo-item[data-category='health'] { border-left: 4px solid #F44336; }
.todo-item[data-category='entertainment'] { border-left: 4px solid #9C27B0; }
.todo-item[data-category='travel'] { border-left: 4px solid #FF7043; }
.todo-item[data-category='other'] { border-left: 4px solid #9E9E9E; }

.timestamp {
    font-size: 12px;
    color: var(--text-light);
    margin-right: 10px;
    white-space: nowrap;
    font-style: italic;
}

.tags-container {
    display: flex;
    gap: 5px;
    margin: 0 5px;
    flex-wrap: wrap;
}

.tag {
    background-color: rgba(63, 81, 181, 0.1);
    padding: 3px 10px;
    border-radius: 16px;
    font-size: 12px;
    color: var(--primary-color);
    transition: all 0.2s;
}

.tag:hover {
    background-color: rgba(63, 81, 181, 0.2);
}

.edit-btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    margin-right: 5px;
    font-size: 16px;
    transition: all 0.2s ease;
    padding: 8px 12px;
    border-radius: 12px;
    margin-left: 5px;
    backdrop-filter: blur(4px);
}

.edit-btn:hover {
    color: var(--primary-color);
    transform: scale(1.2);
}

.completed .todo-text {
    color: var(--completed-color);
    text-decoration: line-through;
}

/* 模态框样式 */
.modal {
    display: none; /* 默认隐藏 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.modal.active {
    opacity: 1;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-10px);
    animation: modalFadeIn 0.3s forwards;
}

@keyframes modalFadeIn {
    to { transform: translateY(0); opacity: 1; }
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.tags-edit-container {
    margin-top: 20px;
    width: 100%;
    box-sizing: border-box;
}

.icon-selection {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.icon-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    background-color: #f0f0f0;
    transition: var(--transition);
    font-size: 18px;
}

.icon-btn:hover:not(.selected) {
    transform: scale(1.1);
    background-color: #e0e0e0;
}

.icon-btn:hover {
    background-color: #e0e0e0;
}

.icon-btn.selected {
    background-color: #1976d2;
    color: white;
}

#edit-input,
#tag-input {
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    transition: var(--transition);
}

#edit-input:focus,
#tag-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.1);
}

#add-tag-btn {
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
    width: 100%;
}

#tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

#tags-list .tag {
    background-color: #e0e0e0;
    padding: 4px 10px;
    border-radius: 16px;
    display: flex;
    align-items: center;
}

#tags-list .tag .remove-tag {
    margin-left: 5px;
    cursor: pointer;
    font-weight: bold;
}

.icon-category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 10px;
}

.edit-input-large { width: 100%; margin-bottom: 15px; }

.tag-input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
    width: 100%;
    box-sizing: border-box;
}

.tag-input-wrapper {
    display: flex;
    flex: 1;
    gap: 8px;
    min-width: 0;
    width: 100%;
}

#tag-input { flex: 1; min-width: 0; width: 100%; padding: 8px 12px; font-size: 14px; margin-right: 8px; border-radius: 16px; background-color: #f0f0f0; border: 1px solid #999; }

.tags-list-scrollable {
    max-height: 120px;
    overflow-y: auto;
    padding: 8px;
    border: 1px solid #eee;
    border-radius: 4px;
    margin-top: 10px;
}

.icon-category-grid {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    overflow-x: auto;
    padding-bottom: 8px;
    flex-wrap: nowrap;
}

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

#save-edit-btn, #cancel-edit-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(4px);
}

#save-edit-btn:hover, #cancel-edit-btn:hover {
    transform: scale(1.05);
}

#save-edit-btn:active, #cancel-edit-btn:active {
    transform: scale(0.95);
}

#save-edit-btn {
    background-color: var(--secondary-color);
    color: white;
}

#save-edit-btn:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 64, 129, 0.3);
}

#cancel-edit-btn {
    background-color: #f5f5f5;
    color: var(--text-light);
}

#cancel-edit-btn:hover {
    background-color: #e0e0e0;
    color: var(--text-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.delete-btn {
    background: none;
    border: none;
    color: #ff4d4d;
    cursor: pointer;
    font-size: 18px;
    opacity: 0.7;
    transition: all 0.2s ease;
    padding: 8px 12px;
    border-radius: 12px;
    margin-left: 5px;
    backdrop-filter: blur(4px);
}

.delete-btn:hover {
    opacity: 1;
    transform: scale(1.2);
    color: #d32f2f;
}

.delete-btn:hover {
    opacity: 1;
}

input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    appearance: none;
    transition: var(--transition);
    position: relative;
}

input[type="checkbox"]:checked {
    background-color: var(--primary-color);
}

input[type="checkbox"]:checked::after {
    content: '✓';
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
}

.todo-controls {
    margin-bottom: 25px;
}

#category-select {
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    background-color: white;
    transition: border-color 0.3s;
}

#category-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.filter-groups { display: flex; flex-direction: column; gap: 20px; margin-top: 25px; margin-bottom: 25px; width: 100%; padding: 0 10px; box-sizing: border-box; }

@media (max-width: 768px) {
    .filter-groups { flex-direction: column; gap: 20px; }
    .filter-group { min-width: auto; width: 100%; }
    .status-filters, .type-filters { width: 100%; }
}
.filter-group { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.filter-label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 16px;
    padding: 8px 0;
    padding-bottom: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.filter-label::after {
    content: '';
    flex-grow: 1;
    height: 1px;
    background-color: var(--border-color);
    margin-left: 10px;
}
.status-filters { display: flex; align-items: center; gap: 15px; padding: 15px 20px; background-color: rgba(63, 81, 181, 0.05); border: 1px solid rgba(63, 81, 181, 0.1); border-radius: 12px; min-height: 50px; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; box-shadow: 0 2px 5px rgba(0,0,0,0.05); scrollbar-width: thin; scrollbar-color: var(--primary-light) transparent; }
.type-filters { display: flex; align-items: center; gap: 15px; padding: 15px 20px; background-color: rgba(255, 64, 129, 0.05); border: 1px solid rgba(255, 64, 129, 0.1); border-radius: 12px; min-height: 50px; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; box-shadow: 0 2px 5px rgba(0,0,0,0.05); scrollbar-width: thin; scrollbar-color: var(--secondary-light) transparent; }
.all-types-container { overflow-x: auto; white-space: nowrap; padding: 10px 0; -webkit-overflow-scrolling: touch; scrollbar-width: thin; width: 100%; }
.status-btn, .type-btn {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.status-btn, .type-btn {
    padding: 10px 20px;
    border-radius: 25px;
    border: 2px solid;
    background-color: white;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    white-space: nowrap;
    font-weight: 500;
}

/* 状态按钮颜色 */
.status-btn[data-status='all'] { border-color: #91b8f5; color: #1890ff; }
.status-btn[data-status='incomplete'] { border-color: #ffd591; color: #fa8c16; }
.status-btn[data-status='complete'] { border-color: #b7eb8f; color: #52c41a; }

/* 类型按钮颜色 */
.type-btn[data-type='all'] { border-color: #d9d9d9; color: #595959; }
.type-btn[data-type='work'] { border-color: #91b8f5; color: #1890ff; }
.type-btn[data-type='life'] { border-color: #d9b3ff; color: #722ed1; }
.type-btn[data-type='study'] { border-color: #91e5f6; color: #00b42a; }
.type-btn[data-type='health'] { border-color: #ffb3b3; color: #f5222d; }
.type-btn[data-type='entertainment'] { border-color: #ff91d9; color: #eb2f96; }
.type-btn[data-type='travel'] { border-color: #ffd591; color: #fa8c16; }
.type-btn[data-type='other'] { border-color: #d9d9d9; color: #8c8c8c; }

.status-btn.active { background-color: var(--primary-color); color: white; font-weight: 500; box-shadow: 0 4px 8px rgba(63, 81, 181, 0.3); transform: translateY(-2px); }
.type-btn.active { background-color: var(--secondary-color); color: white; font-weight: 500; box-shadow: 0 4px 8px rgba(255, 64, 129, 0.3); transform: translateY(-2px); }

.status-btn:hover:not(.active), .type-btn:hover:not(.active) {
    background-color: rgba(74, 111, 165, 0.1);
}

.todo-sections {
    margin-top: 20px;
}

.todo-section {
    display: none;
}

.todo-section.active {
    display: block;
}
.todo-section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 20px;
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
}

.todo-section h2::after {
    content: '';
    flex-grow: 1;
    height: 2px;
    background-color: var(--border-color);
    margin-left: 15px;
}#clear-completed {
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #f5f5f5;
    color: var(--text-light);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

#clear-completed:hover {
    background-color: #e0e0e0;
    color: var(--text-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

.category-badge {
    font-size: 14px;
    transition: background-color 0.3s;
}

#clear-completed:hover {
    background-color: var(--primary-color);
}

@media (max-width: 400px) {
    .container {
        padding: 20px 15px;
    }
    .todo-input-container {
        flex-direction: column;
    }
    #add-btn {
        width: 100%;
    }
}
/* 编辑模态框中的类别选择样式 */
.edit-category-container {
    margin: 15px 0;
    padding: 10px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
}

.edit-category-container .filter-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.edit-category-container .icon-category-btn {
    margin: 5px 3px;
    padding: 6px 10px;
    font-size: 13px;
}
.icon-category-btn { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 20px; border: 1px solid transparent; font-size: 14px; cursor: pointer; transition: var(--transition); background-color: white; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
.icon-category-btn:hover { transform: scale(1.1); background-color: #e0e0e0; }
.icon-category-btn.active { background-color: var(--primary-color); color: white; box-shadow: 0 2px 8px rgba(63, 81, 181, 0.3); }
#add-btn { padding: 14px 24px; font-size: 16px; font-weight: 600; width: auto; white-space: nowrap; background-color: var(--secondary-color); color: white; border: none; border-radius: 20px; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 8px rgba(255, 64, 129, 0.25); }

.mobile-device .main-content { flex-direction: column; }
.mobile-device .filter-container, .mobile-device .todo-container { flex: none; width: 100%; }

/* 响应式样式 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
        max-width: 100%;
    }
    
    .todo-input-container {
        flex-direction: column;
        gap: 10px;
    }
    
    #todo-input, #category-select, #add-btn {
        width: 100%;
    }
    
    .filter-groups {
        flex-direction: column;
        gap: 10px;
    }
    
    .status-filters, .type-filters {
        width: 100%;
        overflow-x: auto;
        padding: 10px 15px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    
    h1 {
        font-size: 20px;
    }
}

/* 修复额外的闭合括号 */



h1 {
    color: var(--primary-color);
    text-align: center;
    margin: 0 0 30px 0;
    font-size: 28px;
    font-weight: 600;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-light);
    letter-spacing: 0.5px;
}

.todo-input-container {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

#todo-input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    transition: var(--transition);
}

#todo-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.1);
}

#todo-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

#add-btn {
    padding: 14px 24px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(255, 64, 129, 0.2);
}

#add-btn:hover:not(:disabled) { background-color: var(--secondary-dark); transform: translateY(-2px) scale(1.03); box-shadow: 0 6px 15px rgba(255, 64, 129, 0.35);
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 64, 129, 0.3);
}

#add-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

#add-btn:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#todo-input.error {
    border-color: #ff4444;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}

.todo-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.todo-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background-color: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    flex-wrap: wrap;
    gap: 10px 15px;
}

.todo-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.todo-text {
    flex: 1;
    min-width: 120px;
}

.category-badge {
    min-width: 50px;
    text-align: center;
}

.tags-container {
    order: 4;
    width: 100%;
    margin: 8px 0 0 30px;
    display: flex;
    align-items: center;
}

.tags-label {
    font-size: 12px;
    color: #666;
    margin-right: 8px;
    font-weight: bold;
    white-space: nowrap;
}

.todo-item:hover {
    transform: translateY(-2px);
}

.todo-text {
    flex: 1;
    margin-left: 10px;
    transition: color 0.3s, text-decoration 0.3s;
}

.category-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    margin-right: 10px;
    font-weight: 500;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.category-badge.work { background-color: rgba(63, 81, 181, 0.3); color: var(--primary-color); }
.category-badge.life { background-color: rgba(76, 175, 80, 0.3); color: #2e7d32; }
.category-badge.study { background-color: rgba(255, 152, 0, 0.3); color: #ef6c00; }
.category-badge.health { background-color: rgba(244, 67, 54, 0.3); color: #c62828; }
.category-badge.entertainment { background-color: rgba(156, 39, 176, 0.3); color: #6a1b9a; }
.category-badge.travel { background-color: rgba(255, 112, 67, 0.3); color: #e65100; }
.category-badge.other { background-color: rgba(158, 158, 158, 0.3); color: #616161; }

/* 任务项左侧边框颜色标识 */
.todo-item[data-category='work'] { border-left: 4px solid var(--primary-color); }
.todo-item[data-category='life'] { border-left: 4px solid #4CAF50; }
.todo-item[data-category='study'] { border-left: 4px solid #FF9800; }
.todo-item[data-category='health'] { border-left: 4px solid #F44336; }
.todo-item[data-category='entertainment'] { border-left: 4px solid #9C27B0; }
.todo-item[data-category='travel'] { border-left: 4px solid #FF7043; }
.todo-item[data-category='other'] { border-left: 4px solid #9E9E9E; }

.timestamp {
    font-size: 12px;
    color: var(--text-light);
    margin-right: 10px;
    white-space: nowrap;
    font-style: italic;
}

.tags-container {
    display: flex;
    gap: 5px;
    margin: 0 5px;
    flex-wrap: wrap;
}

.tag {
    background-color: rgba(63, 81, 181, 0.1);
    padding: 3px 10px;
    border-radius: 16px;
    font-size: 12px;
    color: var(--primary-color);
    transition: all 0.2s;
}

.tag:hover {
    background-color: rgba(63, 81, 181, 0.2);
}

.edit-btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    margin-right: 5px;
    font-size: 16px;
    transition: var(--transition);
}

.edit-btn:hover {
    color: var(--primary-color);
    transform: scale(1.2);
}

.completed .todo-text {
    color: var(--completed-color);
    text-decoration: line-through;
}

/* 模态框样式 */
.modal {
    display: none; /* 默认隐藏 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.modal.active {
    opacity: 1;
}

.modal-content {
    background-color: white;
    padding: 25px 15px;
    border-radius: 20px;
    width: min(1000px, 98vw);
    max-width: 98vw;
    margin: 100px auto;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-10px);
    animation: modalFadeIn 0.3s forwards;
}

@keyframes modalFadeIn {
    to { transform: translateY(0); opacity: 1; }
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.tags-edit-container {
    margin: 15px 0;
}

.icon-selection {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.icon-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    background-color: #f0f0f0;
    transition: var(--transition);
    font-size: 18px;
}

.icon-btn:hover:not(.selected) {
    transform: scale(1.1);
    background-color: #e0e0e0;
}

.icon-btn:hover {
    background-color: #e0e0e0;
}

.icon-btn.selected {
    background-color: #1976d2;
    color: white;
}

#edit-input,
#tag-input {
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    transition: var(--transition);
}

#edit-input:focus,
#tag-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.1);
}

#add-tag-btn {
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

#tags-list .tag {
    background-color: #e0e0e0;
    padding: 4px 10px;
    border-radius: 16px;
    display: flex;
    align-items: center;
}

#tags-list .tag .remove-tag {
    margin-left: 5px;
    cursor: pointer;
    font-weight: bold;
}

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

#save-edit-btn, #cancel-edit-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

#save-edit-btn {
    background-color: var(--secondary-color);
    color: white;
}

#save-edit-btn:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 64, 129, 0.3);
}

#cancel-edit-btn {
    background-color: #f5f5f5;
    color: var(--text-light);
}

#cancel-edit-btn:hover {
    background-color: #e0e0e0;
    color: var(--text-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.delete-btn {
    background: none;
    border: none;
    color: #ff4d4d;
    cursor: pointer;
    font-size: 18px;
    opacity: 0.7;
    transition: var(--transition);
}

.delete-btn:hover {
    opacity: 1;
    transform: scale(1.2);
    color: #d32f2f;
}

.delete-btn:hover {
    opacity: 1;
}

input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    appearance: none;
    transition: var(--transition);
    position: relative;
}

input[type="checkbox"]:checked {
    background-color: var(--primary-color);
}

input[type="checkbox"]:checked::after {
    content: '✓';
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
}

.todo-controls {
    margin-bottom: 25px;
}

#category-select {
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    background-color: white;
    transition: border-color 0.3s;
}

#category-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.filter-groups { display: flex; flex-direction: column; gap: 20px; margin-top: 25px; margin-bottom: 25px; width: 100%; padding: 0 10px; box-sizing: border-box; }

@media (max-width: 768px) {
    .filter-groups { flex-direction: column; gap: 20px; }
    .filter-group { min-width: auto; width: 100%; }
    .status-filters, .type-filters { width: 100%; }
}
.filter-group { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.filter-label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 16px;
    padding: 8px 0;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.filter-label::after {
    content: '';
    flex-grow: 1;
    height: 1px;
    background-color: var(--border-color);
    margin-left: 10px;
}
.status-filters { display: flex; align-items: center; gap: 15px; padding: 15px 20px; background-color: rgba(63, 81, 181, 0.05); border: 1px solid rgba(63, 81, 181, 0.1); border-radius: 12px; min-height: 50px; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; box-shadow: 0 2px 5px rgba(0,0,0,0.05); scrollbar-width: thin; scrollbar-color: var(--primary-light) transparent; }
.type-filters { display: flex; align-items: center; gap: 15px; padding: 15px 20px; background-color: rgba(255, 64, 129, 0.05); border: 1px solid rgba(255, 64, 129, 0.1); border-radius: 12px; min-height: 50px; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; box-shadow: 0 2px 5px rgba(0,0,0,0.05); scrollbar-width: thin; scrollbar-color: var(--secondary-light) transparent; }
.all-types-container { overflow-x: auto; white-space: nowrap; padding: 10px 0; -webkit-overflow-scrolling: touch; scrollbar-width: thin; width: 100%; }
.status-btn, .type-btn {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.status-btn, .type-btn {
    padding: 10px 20px;
    border-radius: 25px;
    border: 2px solid;
    background-color: white;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    white-space: nowrap;
    font-weight: 500;
}

/* 状态按钮颜色 */
.status-btn[data-status='all'] { border-color: #91b8f5; color: #1890ff; }
.status-btn[data-status='incomplete'] { border-color: #ffd591; color: #fa8c16; }
.status-btn[data-status='complete'] { border-color: #b7eb8f; color: #52c41a; }

/* 类型按钮颜色 */
.type-btn[data-type='all'] { border-color: #d9d9d9; color: #595959; }
.type-btn[data-type='work'] { border-color: #91b8f5; color: #1890ff; }
.type-btn[data-type='life'] { border-color: #d9b3ff; color: #722ed1; }
.type-btn[data-type='study'] { border-color: #91e5f6; color: #00b42a; }
.type-btn[data-type='health'] { border-color: #ffb3b3; color: #f5222d; }
.type-btn[data-type='entertainment'] { border-color: #ff91d9; color: #eb2f96; }
.type-btn[data-type='travel'] { border-color: #ffd591; color: #fa8c16; }
.type-btn[data-type='other'] { border-color: #d9d9d9; color: #8c8c8c; }

.status-btn.active { background-color: var(--primary-color); color: white; font-weight: 500; box-shadow: 0 4px 8px rgba(63, 81, 181, 0.3); transform: translateY(-2px); }
.type-btn.active { background-color: var(--secondary-color); color: white; font-weight: 500; box-shadow: 0 4px 8px rgba(255, 64, 129, 0.3); transform: translateY(-2px); }

.status-btn:hover:not(.active), .type-btn:hover:not(.active) {
    background-color: rgba(74, 111, 165, 0.1);
}

.todo-sections {
    margin-top: 20px;
}

.todo-section {
    display: none;
}

.todo-section.active {
    display: block;
}
.todo-section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 20px;
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
}

.todo-section h2::after {
    content: '';
    flex-grow: 1;
    height: 2px;
    background-color: var(--border-color);
    margin-left: 15px;
}#clear-completed {
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #f5f5f5;
    color: var(--text-light);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

#clear-completed:hover {
    background-color: #e0e0e0;
    color: var(--text-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

.category-badge {
    font-size: 14px;
    transition: background-color 0.3s;
}

#clear-completed:hover {
    background-color: var(--primary-color);
}

@media (max-width: 400px) {
    .container {
        padding: 20px 15px;
    }
    .todo-input-container {
        flex-direction: column;
    }
    #add-btn {
        width: 100%;
    }
}