:root {
    --primary-color: #4285f4;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    --text-color: #333;
    --light-text: #666;
    --bg-color: #bbe0ff;
    --card-bg: rgba(255, 255, 255, 0.85);
    --border-radius: 16px;
    --blur-amount: 10px;
    --date-header-bg: rgba(66, 133, 244, 0.1);
    --calendar-bg: rgba(255, 255, 255, 0.95);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: transparent;
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 20px;
    backdrop-filter: blur(var(--blur-amount));
    background-color: rgba(255, 255, 255, 0.7);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
}

.header-content111 {
    display: flex;
    justify-content: center;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 10px 20px;
    margin-bottom: 15px;
}

.container h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 0;
}

.date {
    color: var(--light-text);
    font-size: 1rem;
    margin-bottom: 0;
}

.header-description {
    color: var(--light-text);
    font-size: 1rem;
    margin-bottom: 15px;
}

/* 日历控件样式 */
.calendar-controls {
    margin-top: 10px;
}

.calendar-toggle-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
}

.calendar-toggle-btn:hover {
    background: #3367d6;
    transform: translateY(-2px);
}

.calendar-toggle-btn.active {
    background: var(--accent-color);
}

.calendar-container {
    display: none;
    background: var(--calendar-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-top: 15px;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.calendar-container.open {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-header h3 {
    color: var(--text-color);
    font-size: 1.2rem;
}

.nav-btn {
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    background: var(--primary-color);
    color: white;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
    margin-bottom: 20px;
}

.weekday {
    text-align: center;
    font-weight: 600;
    color: var(--light-text);
    font-size: 0.9rem;
    padding: 5px 0;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.calendar-day:hover {
    background: rgba(66, 133, 244, 0.1);
}

.calendar-day.today {
    background: var(--secondary-color);
    color: white;
}

.calendar-day.has-articles {
    position: relative;
    font-weight: 600;
}

.calendar-day.has-articles::after {
    content: '';
    position: absolute;
    bottom: 3px;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
}

.calendar-day.selected {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.calendar-day.empty {
    cursor: default;
    background: transparent;
}

.calendar-day.empty:hover {
    background: transparent;
}

.calendar-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.action-btn {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.today-btn {
    background: #f0f0f0;
    color: var(--text-color);
}

.today-btn:hover {
    background: #e0e0e0;
}

.confirm-btn {
    background: var(--primary-color);
    color: white;
}

.confirm-btn:hover {
    background: #3367d6;
}

/* 筛选状态显示 */
.filter-status {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(var(--blur-amount));
    padding: 10px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.filter-status.active {
    background: rgba(66, 133, 244, 0.1);
    border-left: 4px solid var(--primary-color);
}

.clear-filter-btn {
    background: none;
    border: 1px solid var(--light-text);
    color: var(--light-text);
    padding: 5px 10px;
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    display: none;
}

.clear-filter-btn:hover {
    background: var(--light-text);
    color: white;
}

/* 分页控件 */
.pagination-container {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(var(--blur-amount));
    padding: 20px;
    border-radius: var(--border-radius);
    margin-top: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.pagination-info {
    text-align: center;
    margin-bottom: 15px;
    color: var(--light-text);
    font-size: 0.95rem;
}

.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.pagination-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    min-width: 100px;
    justify-content: center;
}

.pagination-btn:hover:not(:disabled) {
    background: #3367d6;
    transform: translateY(-2px);
}

.pagination-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.page-numbers {
    display: flex;
    gap: 5px;
}

.page-number {
    width: 40px;
    height: 40px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.page-number:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-number.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 加载指示器 */
.loading-indicator {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    color: var(--light-text);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* 以下保持原有样式不变 */
.daily-sections {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.daily-section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(var(--blur-amount));
}

.daily-header {
    background-color: var(--date-header-bg);
    padding: 12px 20px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.articles-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    padding: 20px;
}

.article-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.article-card.read {
    opacity: 0.7;
}

.article-content {
    padding: 15px;
    position: relative;
}

.article-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 600;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--light-text);
}

.read-time {
    display: flex;
    align-items: center;
}

.read-time svg {
    margin-right: 5px;
}

.tag {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 0.75rem;
    margin-right: 5px;
    margin-bottom: 5px;
}

.empty-placeholder {
    text-align: center;
    padding: 30px;
    color: var(--light-text);
    grid-column: 1 / -1;
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .articles-container {
        grid-template-columns: 1fr;
    }

    .container h1 {
        font-size: 2rem;
    }

    .calendar-container {
        max-width: 100%;
        padding: 15px;
    }

    .calendar-header {
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .calendar-header h3 {
        order: -1;
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
    }

    .calendar-day {
        font-size: 0.8rem;
    }

    .pagination-controls {
        flex-direction: column;
    }

    .pagination-btn {
        width: 100%;
        max-width: 200px;
    }

    .page-numbers {
        justify-content: center;
        flex-wrap: wrap;
    }

    .header-content111 {
        flex-direction: column;
        align-items: center;
        gap: 5px;
    }

    .date,
    .header-description {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .calendar-day {
        font-size: 0.75rem;
    }

    .pagination-btn {
        min-width: auto;
        padding: 8px 15px;
    }

    .page-number {
        width: 35px;
        height: 35px;
        font-size: 0.85rem;
    }
}