/* ============================================
   萬大發電廠環境教育學習網 - 最新消息列表頁
   kun 2025-01-15
   ============================================ */

/* ============================================
   PAGE BANNER - 頁面頂部橫幅
   ============================================ */
.page-banner {
    position: relative;
    margin: 0 var(--container-padding);
    overflow: hidden;
}

.page-banner-content {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    padding: var(--spacing-3xl) var(--spacing-4xl);
}

.page-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    letter-spacing: 4px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.page-banner-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.page-banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Banner 底部分隔線 */
.page-banner-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 10px;
    display: flex;
    overflow: hidden;
}

.page-banner-divider .divider-segment {
    height: 100%;
    position: relative;
}

.page-banner-divider .divider-segment::after {
    content: '';
    position: absolute;
    top: 0;
    left: -10px;
    right: -10px;
    bottom: 0;
    background: inherit;
    transform: skewX(-15deg);
}

.page-banner-divider .divider-segment.yellow-green {
    flex: 4.5;
    background: #b8cc00;
}

.page-banner-divider .divider-segment.blue {
    flex: 0.5;
    background: #4991cb;
}

.page-banner-divider .divider-segment.teal {
    flex: 2;
    background: var(--color-primary);
}

.page-banner-divider .divider-segment.pink {
    flex: 3;
    background: var(--color-accent-pink);
}

/* ============================================
   NEWS FILTER - 篩選區域
   ============================================ */
.news-filter-section {
    max-width: var(--container-content);
    margin: var(--spacing-5xl) auto var(--spacing-4xl);
    padding: 0 var(--container-padding-md);
}

.news-filter-container {
    background: var(--color-white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-lg);
}

.news-filter-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.filter-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-label {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    white-space: nowrap;
    min-width: 120px;
}

.filter-input-group {
    flex: 1;
    max-width: 300px;
}

.filter-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-white);
    transition: border-color var(--transition-fast);
}

.filter-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.filter-input::placeholder {
    color: var(--color-placeholder);
    text-align: center;
}

.filter-select-group {
    min-width: 120px;
}

.filter-select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    padding-right: var(--spacing-3xl);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-white);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: border-color var(--transition-fast);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.filter-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-3xl);
    background: var(--color-primary-light);
    color: var(--color-white);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
}

.filter-submit-btn:hover {
    background: var(--color-primary-hover);
}

.filter-submit-btn span {
    font-weight: var(--font-weight-bold);
}

/* ============================================
   NEWS LIST - 新聞列表
   ============================================ */
.news-list-section {
    max-width: var(--container-content);
    margin: 0 auto var(--spacing-6xl);
    padding: 0 var(--container-padding-md);
}

.news-list-container {
    background: var(--color-white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-lg);
}

.news-list {
    list-style: none;
}

.news-list-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-border-light);
    gap: var(--spacing-lg);
}

.news-list-item:last-child {
    border-bottom: none;
}

.news-list-date {
    flex-shrink: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.news-list-sep {
    color: var(--color-border);
    flex-shrink: 0;
}

.news-list-title {
    flex: 1;
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: var(--line-height-base);
    /* 文字超出顯示省略號 */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 按鈕樣式 - 邊框版 */
.btn-more-outline {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: var(--color-primary-light);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

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

.btn-more-outline span {
    font-weight: var(--font-weight-bold);
}

/* ============================================
   PAGINATION - 分頁
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-4xl);
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.pagination-btn:hover {
    color: var(--color-primary);
}

.pagination-current {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .page-title {
        font-size: var(--font-size-4xl);
    }

    .page-banner-image {
        height: 220px;
    }

    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-label {
        min-width: auto;
    }

    .filter-input-group {
        max-width: 100%;
    }

    .filter-row:last-child {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .filter-select-group {
        flex: 1;
        min-width: 100px;
    }

    .filter-submit-btn {
        flex: 0 0 auto;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .page-banner {
        margin: 0 var(--spacing-lg);
    }

    .page-banner-content {
        padding: var(--spacing-xl) var(--spacing-2xl);
    }

    .page-title {
        font-size: var(--font-size-3xl);
    }

    .page-banner-image {
        height: 180px;
    }

    .news-filter-section {
        margin: var(--spacing-3xl) auto;
    }

    .news-filter-container,
    .news-list-container {
        padding: var(--spacing-xl);
    }

    .filter-row:last-child {
        gap: var(--spacing-md);
    }

    .filter-select-group {
        flex: 1 1 calc(50% - var(--spacing-md));
    }

    .filter-submit-btn {
        width: 100%;
        margin-top: var(--spacing-md);
    }

    .news-list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        padding: var(--spacing-lg) 0;
    }

    .news-list-sep {
        display: none;
    }

    .news-list-title {
        white-space: normal;
        overflow: visible;
    }

    .btn-more-outline {
        align-self: flex-end;
    }

    .pagination {
        margin-top: var(--spacing-3xl);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .page-banner {
        margin: 0 var(--spacing-sm);
    }

    .page-title {
        font-size: var(--font-size-2xl);
    }

    .page-banner-image {
        height: 150px;
    }

    .filter-label {
        font-size: var(--font-size-base);
    }

    .news-list-date {
        font-size: var(--font-size-sm);
    }

    .news-list-title {
        font-size: var(--font-size-sm);
    }
}