/* 樓盤詳情頁元件：相簿、規格、代理卡、查詢表單與相似樓盤版面 */
/* 為什麼：顏色/間距/字級一律引用 variables.css 變數，符合 CLAUDE.MD 設計系統規範 */

/* 麵包屑 */
.pd-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) 0;
    font-size: var(--fs-sm);
    color: var(--color-text-soft);
}

.pd-breadcrumb a {
    color: var(--color-text-soft);
}

.pd-breadcrumb a:hover {
    color: var(--color-primary);
}

.pd-breadcrumb__sep {
    color: var(--color-text-muted);
}

.pd-breadcrumb__current {
    color: var(--color-text);
    font-weight: 500;
}

/* 詳情主區：縮小上方留白，麵包屑已佔位 */
.pd-section {
    padding-top: var(--space-md);
}

/* 雙欄版面：桌面左圖右資訊，手機單欄堆疊 */
.container.pd-layout {
    max-width: var(--container-max-pd);
}

.pd-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: start;
}

/* 左欄主內容 */
.pd-main {
    min-width: 0; /* 避免 grid 子項因內容過寬撐破版面 */
}

/* 相簿 */
.pd-gallery__stage {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.pd-gallery__stage--empty {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pd-gallery__empty {
    color: var(--color-text-soft);
    font-size: var(--fs-sm);
    text-align: center;
}

/* 無相片佔位唔顯示，避免佔版面 */
.pd-gallery--empty,
.pd-gallery__stage--empty {
    display: none;
}

.pd-gallery__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pd-gallery__badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
}

.pd-gallery__thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.pd-gallery__thumb {
    padding: 0;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    background: var(--color-bg-soft);
    aspect-ratio: 4 / 3;
    transition: border-color var(--transition);
}

.pd-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pd-gallery__thumb:hover {
    border-color: var(--color-primary-light);
}

.pd-gallery__thumb.is-active {
    border-color: var(--color-primary);
}

/* 標題區：緊接頂部麵包屑下方 */
.pd-head__intro-wrap {
    position: relative;
    padding-top: var(--space-sm);
}

.container.pd-head__intro-wrap {
    max-width: var(--container-max-pd);
}

.pd-head__intro-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-md);
}

.pd-head__intro {
    flex: 1 1 auto;
    min-width: 0;
    text-align: left;
    margin-bottom: 0;
}

.pd-head__actions {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    align-self: center;
    gap: var(--space-xs);
    position: relative;
}

.pd-head__action {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    line-height: 0;
    vertical-align: top;
}

.pd-head__action-icon {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
}

/* 為什麼：沿用 property-card__fav 事件，但不可套用卡片上的 absolute 定位 */
.pd-head__actions .property-card__fav {
    position: static;
    top: auto;
    right: auto;
    z-index: auto;
}

.pd-head__actions .property-card__fav-icon {
    width: 100%;
    height: 100%;
}

.pd-share-panel {
    position: absolute;
    top: calc(100% + var(--space-xs));
    right: 0;
    z-index: 30;
    min-width: 11rem;
    padding: var(--space-sm);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.pd-share-panel__link-input {
    position: fixed;
    top: -100px;
    left: 0;
    opacity: 0;
    pointer-events: none;
}

.pd-share-panel__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.pd-share-panel__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: 0.375rem 0.5rem;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-soft);
    font-size: var(--fs-sm);
    text-decoration: none;
    cursor: pointer;
    text-align: left;
}

.pd-share-panel__item:hover {
    background: var(--color-bg-soft);
    color: var(--color-text);
    text-decoration: none;
}

.pd-share-panel__icon {
    width: 1.375rem;
    height: 1.375rem;
    flex-shrink: 0;
    object-fit: contain;
}

.pd-section {
    padding-top: var(--space-md);
}

.pd-head {
    margin-top: var(--space-md);
    padding-bottom: var(--space-lg);
}

.pd-head__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.pd-head__tags .chip {
    text-decoration: none;
}

.pd-head__tags a.chip:hover {
    opacity: 0.88;
}

.pd-head__pricing-chips {
    display: inline-flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    align-items: center;
    margin-left: var(--space-sm);
}

.pd-head__pricing-chips .chip {
    text-decoration: none;
}

.pd-head__pricing-chips a.chip:hover {
    opacity: 0.88;
}

.pd-head__pricing-chips .chip--greenform {
    background: var(--color-greenform);
    color: var(--color-greenform-text);
}

.pd-head__pricing-chips .chip--accent {
    background: var(--color-hos-chip);
    color: var(--color-hos-chip-text);
}

.pd-head__price-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-md);
}

.pd-head__title {
    font-size: var(--fs-xl);
    font-weight: 900;
    line-height: 1.3;
    color: var(--color-text);
}

.pd-head__addr {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
    font-size: var(--fs-sm);
    color: var(--color-text-soft);
}

.pd-head__icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.pd-head__pricing {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.pd-head__pricing--dual {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    width: 100%;
}

.pd-head__pricing--dual .pd-head__price-line {
    width: 100%;
}

.pd-head__price {
    font-size: var(--fs-2xl);
    font-weight: 900;
    color: var(--color-pd-price);
}

.pd-head__price-group {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.pd-head__mortgage-btn {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    line-height: 0;
    vertical-align: middle;
}

.pd-head__mortgage-btn-icon {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
}

.pd-head__price-label {
    font-size: var(--fs-sm);
    color: var(--color-text-soft);
}

.pd-head__price-line--rent .pd-head__price {
    font-size: var(--fs-xl);
}

.pd-head__price-line--rent .property-card__price-rent-label {
    font-size: var(--fs-sm);
}

.pd-head__unit {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

.pd-head__units {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
}

/* 規格摘要：div 模擬表格（role=table/row/cell） */
.pd-specs__row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.pd-specs__cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.pd-specs__icon {
    width: 1.5rem;
    height: 1.5rem;
}

.pd-specs__label {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

.pd-specs__value {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--color-text);
}

/* 內容區塊（描述、特色） */
.pd-block {
    margin-top: var(--space-xl);
}

.pd-block__title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.pd-desc {
    font-size: var(--fs-base);
    line-height: 1.9;
    color: var(--color-text-soft);
}

/* 特色 chip 清單 */
.pd-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    list-style: none;
}

.pd-features__item {
    padding: 0.4rem 1rem;
    font-size: var(--fs-sm);
    color: var(--color-primary-dark);
    background: var(--color-primary-light);
    border-radius: var(--radius-pill);
}

/* 右欄：sticky 容器 */
.pd-aside__sticky {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* 代理卡 */
.pd-agent {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-lg);
}

.pd-agent__head {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.pd-agent__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    min-width: 0;
    flex: 1 1 auto;
}

.pd-agent--referral .pd-agent__head {
    align-items: flex-start;
}

.pd-agent--referral .pd-agent__tel-line {
    margin: var(--space-xs) 0 0;
    font-size: var(--fs-sm);
    color: var(--color-text-soft);
}

.pd-agent--referral .pd-agent__tel-line-number {
    color: var(--color-agent-tel-btn);
    font-weight: 500;
}

.pd-agent__contacts {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    width: 100%;
}

.pd-agent__contact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    color: var(--color-text);
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), background var(--transition);
}

.pd-agent__contact:hover {
    border-color: var(--color-primary);
    background: var(--color-surface);
}

.pd-agent__contact-name {
    font-size: var(--fs-sm);
    font-weight: 600;
}

.pd-agent__contact-phone {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--fs-sm);
    color: var(--color-agent-tel-btn);
    font-weight: 500;
    white-space: nowrap;
}

.pd-agent__contact:hover .pd-agent__contact-phone {
    color: var(--color-agent-tel-btn-dark);
}

.pd-agent__photo {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: var(--radius-pill);
    object-fit: cover;
    border: 2px solid var(--color-primary-light);
    flex-shrink: 0;
}

.pd-agent__name {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--color-text);
}

.pd-agent__title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.pd-agent__title-icon {
    display: block;
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    line-height: 0;
    object-fit: contain;
}

.pd-form__title-icon {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    background-color: var(--color-brand-tagline-label);
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
}

.pd-form__title-icon {
    -webkit-mask-image: url("/images/contact/icon_mail.svg");
    mask-image: url("/images/contact/icon_mail.svg");
}

.pd-agent__meta {
    font-size: var(--fs-xs);
    color: var(--color-text-soft);
    line-height: 1.6;
}

.pd-agent__actions {
    margin-top: var(--space-lg);
}

.pd-agent--referral .pd-agent__info > .pd-agent__actions {
    margin-top: var(--space-sm);
}

.pd-agent .agent-list-item__btn-tag-area {
    margin-top: 0;
    border-top: 0;
}

.pd-agent__actions.agent-list-item__btn-tag-area {
    padding: var(--space-sm) 0;
    background: transparent;
}

@media (max-width: 767px) {
    .pd-agent__actions.agent-list-item__btn-tag-area {
        background: var(--color-pd-agent-actions-bg);
        padding: var(--space-sm) var(--space-md);
        padding-bottom: calc(var(--space-sm) + env(safe-area-inset-bottom, 0px));
    }
}

/* 非推介代理（無 sno）：聯絡按鈕各佔 50% 全寬 */
.pd-agent:not(.pd-agent--referral) .pd-agent__actions.agent-list-item__btn-tag-area {
    flex-wrap: nowrap;
    align-items: stretch;
    width: 100%;
}

.pd-agent:not(.pd-agent--referral) .agent-list-item__btn-tag {
    flex: 1 1 0;
    min-width: 0;
}

/* 查詢表單 */
.pd-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-lg);
}

.pd-form__title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.pd-form__field {
    display: grid;
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: var(--space-xs) var(--space-md);
    align-items: center;
    margin-bottom: var(--space-md);
}

.pd-form__field:has(.pd-form__textarea) {
    align-items: start;
}

.pd-form__field:has(.pd-form__textarea) .pd-form__label {
    padding-top: 0.6rem;
}

.pd-form__label {
    display: block;
    font-size: var(--fs-sm);
    color: var(--color-text-soft);
    margin-bottom: 0;
}

.pd-form__input {
    width: 100%;
    padding: 0.6rem 0.8rem;
    font-size: var(--fs-base);
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
}

.pd-form__input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.pd-form__textarea {
    resize: vertical;
    min-height: 4rem;
    font-family: inherit;
}

.pd-form .btn--primary {
    background: var(--color-gold-bright);
    border-color: var(--color-gold-bright);
    color: var(--color-header-text);
}

.pd-form .btn--primary:hover {
    background: var(--color-gold-bright-hover);
    border-color: var(--color-gold-bright-hover);
    color: var(--color-header-text);
}

.pd-form__success {
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--fs-sm);
    color: var(--color-success);
    background: var(--color-bg-soft);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-sm);
}

/* 地圖＋屋苑走勢：左右並排，置於按揭計算上方 */
.pd-map-trend--full {
    --pd-map-trend-frame-height: 28.125rem;
    grid-column: 1 / -1;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-lg);
    align-items: stretch;
}

.pd-map-trend--single {
    grid-template-columns: minmax(0, 1fr);
}

.pd-map-trend__panel {
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100%;
}

.pd-map-trend__frame {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: var(--pd-map-trend-frame-height);
    border: 3px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface);
}

.pd-map-trend__frame--trend {
    text-align: center;
}

.pd-map-trend__frame--map {
    position: relative;
    --pd-map-zoom-offset-bottom: 5rem;
}

.pd-map-zoom {
    position: absolute;
    right: var(--space-sm);
    bottom: var(--pd-map-zoom-offset-bottom);
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.pd-map-zoom__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: var(--fs-lg);
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.pd-map-zoom__btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pd-map-trend__iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

.pd-map-trend__img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 按揭計算 iframe：固定高度，避免動態拉高造成版面長時間延伸 */
.pd-mortgage--full {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: var(--space-lg);
}

.pd-mortgage .pd-block__title {
    margin-bottom: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    text-align: center;
    background: var(--color-pd-mortgage-title-bg);
    border-radius: var(--radius-md);
}

.pd-mortgage__frame {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-white);
}

.pd-mortgage__iframe {
    display: block;
    width: 100%;
    height: 1200px;
    border: 0;
}

@media (max-width: 767px) {
    .pd-head__intro-row {
        align-items: flex-start;
    }

    /* 為什麼：手機版圖示固定左下，疊在聯絡按鈕列上方 */
    .pd-head__actions {
        position: fixed;
        left: var(--space-md);
        right: auto;
        bottom: calc(3.75rem + env(safe-area-inset-bottom, 0px) + var(--space-xs));
        z-index: 201;
        margin: 0;
        align-self: auto;
    }

    .pd-head__action {
        width: 2.5rem;
        height: 2.5rem;
    }

    .pd-share-panel {
        position: fixed;
        left: var(--space-md);
        right: auto;
        top: auto;
        bottom: calc(3.75rem + env(safe-area-inset-bottom, 0px) + 2.5rem + var(--space-sm));
        z-index: 202;
    }

    .pd-mortgage__iframe {
        height: 1800px;
    }

    .pd-map-trend--full {
        --pd-map-trend-frame-height: 18.75rem;
        grid-template-columns: 1fr;
    }

    /* 與左下固定操作列（收藏／分享）同一高度 */
    .scroll-top {
        bottom: calc(3.75rem + env(safe-area-inset-bottom, 0px) + var(--space-xs));
    }
}

/* 相似樓盤 grid：與站內列表一致的響應式多欄 */
.pd-similar-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

/* Tablet：768~1024，規格改三欄、相似樓盤兩欄；售租價橫排、租金靠右 */
@media (min-width: 768px) {
    .pd-head__pricing--dual {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: flex-start;
    }

    .pd-head__pricing--dual .pd-head__price-line {
        width: auto;
    }

    .pd-head__pricing--dual .pd-head__price-line--rent {
        margin-left: auto;
        justify-content: flex-end;
    }

    .pd-specs__row {
        grid-template-columns: repeat(3, 1fr);
    }

    .pd-similar-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop：>1024，雙欄版面（左 2fr 右 1fr），代理卡 sticky 跟隨捲動 */
@media (min-width: 1024px) {
    .pd-layout {
        grid-template-columns: minmax(0, 2fr) minmax(20rem, 1fr);
    }

    .pd-specs__row {
        grid-template-columns: repeat(5, 1fr);
    }

    /* sticky：扣掉頁首高度再留一點呼吸空間，避免被固定頁首遮住 */
    .pd-aside__sticky {
        position: sticky;
        top: calc(var(--header-height) + var(--space-md));
    }

    .pd-similar-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}