/* floor.css — 品牌樓層頁面（大理石高級風格）*/
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@300;400;500;600;700&family=Cinzel:wght@400;600;700&display=swap');

:root {
    --brown:        #5C4033;
    --orange:       #FF8C42;
    --orange-light: #FFB366;
    --bg:           #f5f0ea;
    --card-bg:      rgba(255,255,255,0.95);
    --filter-bg:    rgba(255,255,255,0.85);
    --border:       rgba(255,140,66,0.15);
    --shadow:       rgba(92,64,51,0.10);
    --fs-xl:   2.2rem;
    --fs-base: 1rem;
    --fs-sm:   0.9rem;
    --fs-xs:   0.82rem;
}
@media (max-width: 768px) { :root { --fs-xl: 1.8rem; --fs-sm: 0.85rem; --fs-xs: 0.78rem; } }
@media (max-width: 480px)  { :root { --fs-xl: 1.5rem; --fs-sm: 0.82rem; --fs-xs: 0.75rem; } }

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

body {
    font-family: 'Noto Serif TC', serif;
    background-color: var(--bg);
    background-image: linear-gradient(135deg,rgba(255,255,255,0.5),rgba(255,255,255,0.5)), url('/images/about/2.webp');
    background-position: center; background-size: cover; background-attachment: fixed; background-repeat: no-repeat;
    color: var(--brown); line-height: 1.6;
}
body::before {
    content: ''; position: fixed; inset: 0;
    background: radial-gradient(ellipse at top right,rgba(255,140,66,0.08),transparent 60%), radial-gradient(ellipse at bottom left,rgba(92,64,51,0.05),transparent 60%);
    pointer-events: none; z-index: 0;
}
.brands { padding: 3rem 0; position: relative; z-index: 1; }
.container { max-width: 1600px; margin: 0 auto; padding: 0 2rem; }

.section-title {
    text-align: center;
    font-family: 'Cinzel','Noto Serif TC',serif;
    font-size: var(--fs-xl);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--brown);
    margin: 2rem 0 2.5rem;
    padding: 6rem 0rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.05);
    animation: fadeInDown 0.8s ease;
    background-image: url('/images/15.webp');
    background-size: cover; /* 新增 — 滿版不重複 */
    background-position: center; /* 新增 — 縮小時置中裁切 */
    background-repeat: no-repeat; /* 新增 — 明確禁止重複 */
}
.section-title::after {
    content: ''; display: block; width: 100px; height: 2px;
    background: linear-gradient(90deg,transparent,var(--orange),transparent); margin: 1.2rem auto 0;
}

/* 三層篩選器 */
.filter-section,.type-filter-section,.az-filter-section {
    background: var(--filter-bg); backdrop-filter: blur(10px);
    border-left: 1px solid var(--border); border-right: 1px solid var(--border);
}
.filter-section {
    padding: 1.5rem 2rem; border-top: 1px solid var(--border); border-radius: 8px 8px 0 0;
    box-shadow: 0 8px 32px var(--shadow),inset 0 1px 0 rgba(255,255,255,0.9); animation: fadeInScale 0.8s ease 0.1s backwards;
}
.type-filter-section {
    padding: 0.9rem 2rem; border-top: 1px solid rgba(255,140,66,0.08); animation: fadeInScale 0.8s ease 0.18s backwards;
}
.az-filter-section {
    padding: 0.9rem 2rem; border-top: 1px solid rgba(255,140,66,0.08);
    border-bottom: 1px solid var(--border); border-radius: 0 0 8px 8px;
    box-shadow: 0 8px 32px var(--shadow); margin-bottom: 2rem; animation: fadeInScale 0.8s ease 0.26s backwards;
}

.filter-row { display: flex; gap: 1rem; align-items: flex-end; flex-wrap: wrap; }
.filter-group { display: flex; flex-direction: column; gap: 0.35rem; flex: 1; min-width: 130px; }
.filter-group label { font-size: var(--fs-xs); font-weight: 700; color: var(--brown); opacity: 0.7; letter-spacing: 0.04em; }

/* 用 .brands 加強選擇器，確保蓋過 header.css 任何 select 規則 */
.brands .filter-select {
    padding: 0.6rem 2.5rem 0.6rem 0.9rem; border: 1.5px solid rgba(255,140,66,0.2); border-radius: 8px;
    font-size: var(--fs-sm); font-family: 'Noto Serif TC', serif;
    color: #3a2518;
    background-color: rgba(255,255,255,0.98);
    transition: border-color 0.25s, box-shadow 0.25s; cursor: pointer; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' fill='%235C4033' viewBox='0 0 16 16'%3E%3Cpath d='M8 13.1l4.7-4.7-1.4-1.4L8 10.3 4.7 7l-1.4 1.4L8 13.1z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 0.75rem center;
}
.brands .filter-select option { color: #3a2518; background: #fff; }
.brands .filter-select:disabled { opacity: 0.45; cursor: not-allowed; }
.brands .filter-select:not(:disabled):hover { border-color: var(--orange); }
.brands .filter-select:not(:disabled):focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,140,66,0.1); }

.search-box { flex: 1.8; min-width: 200px; }
.search-input {
    width: 100%; padding: 0.6rem 0.9rem 0.6rem 2.6rem; border: 1.5px solid rgba(255,140,66,0.2); border-radius: 8px;
    font-size: var(--fs-sm); font-family: 'Noto Serif TC',serif; color: #3a2518;
    background: rgba(255,255,255,0.98); transition: border-color 0.25s,box-shadow 0.25s;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" fill="%23FF8C42" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg>');
    background-repeat: no-repeat; background-position: 0.75rem center; background-size: 17px;
}
.search-input::placeholder { color: #bbb; }
.search-input:hover { border-color: var(--orange); }
.search-input:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,140,66,0.1); }

.az-mobile-group { display: none; }

/* Type 標籤 — 電腦版支援滑鼠拖曳橫向滑動 */
.type-filter-list {
    display: flex; gap: 0.45rem; overflow-x: auto; flex-wrap: nowrap;
    padding: 4px; scrollbar-width: none; -ms-overflow-style: none;
    cursor: grab;           /* 滑鼠停在上面顯示抓手 */
    user-select: none;      /* 拖曳時不會選到文字 */
}
.type-filter-list::-webkit-scrollbar { display: none; }
.type-filter-list.is-dragging { cursor: grabbing; }  /* 拖曳中變抓緊手 */
.type-btn {
    flex-shrink: 0; display: inline-flex; align-items: center;
    padding: 0.32rem 0.9rem; border-radius: 8px; border: 1.5px solid rgba(92,64,51,0.18);
    background: rgba(255,255,255,0.6); color: var(--brown); font-family: 'Noto Serif TC',serif;
    font-size: var(--fs-xs); font-weight: 500; cursor: pointer; transition: all 0.22s ease; white-space: nowrap; user-select: none;
}
.type-btn:hover { border-color: var(--orange); color: var(--orange); background: rgba(255,140,66,0.06); /*transform: translateY(-1px);*/ }
.type-btn.active {
    background: linear-gradient(135deg,var(--orange),var(--orange-light)); border-color: transparent;
    color: #fff; font-weight: 600; box-shadow: 0 3px 10px rgba(255,140,66,0.3);
}

/* A-Z */
.az-filter-list { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.az-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 1.9rem; height: 1.9rem; border-radius: 5px; border: 1.5px solid rgba(92,64,51,0.16);
    background: rgba(255,255,255,0.55); color: var(--brown); font-family: 'Cinzel',serif;
    font-size: 0.75rem; font-weight: 600; cursor: pointer; transition: all 0.2s ease; user-select: none;
}
.az-btn:hover { border-color: var(--orange); color: var(--orange); background: rgba(255,140,66,0.06); transform: translateY(-1px); }
.az-btn.active { background: var(--brown); border-color: var(--brown); color: #fff; box-shadow: 0 3px 10px rgba(92,64,51,0.22); }
.az-btn.az-all { width: auto; padding: 0 0.7rem; font-size: 0.72rem; letter-spacing: 0.05em; }

/* Chip */
.active-filters {
    display: flex; flex-wrap: wrap; gap: 0.45rem; align-items: center;
    overflow: hidden; max-height: 0; margin-bottom: 0; transition: max-height 0.3s ease, margin-bottom 0.3s ease;
}
.active-filters.has-filters { max-height: 80px; margin: 1rem; }
/* 修正：「已選：」文字加深 */
.active-filter-label { font-size: var(--fs-xs); color: #3a2518; opacity: 1; font-weight: 700; white-space: nowrap; }
.filter-chip {
    display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.2rem 0.65rem;
    background: rgba(92,64,51,0.10); border: 1px solid rgba(92,64,51,0.35); border-radius: 8px;
    /* 修正：chip 文字加深 */
    font-size: var(--fs-xs); color: #3a2518; font-family: 'Noto Serif TC',serif; font-weight: 600;
}
.filter-chip-close { cursor: pointer; font-size: 0.7rem; opacity: 0.6; transition: opacity 0.15s; }
.filter-chip-close:hover { opacity: 1; }
.clear-all-btn {
    margin-left: auto; font-size: var(--fs-xs); color: var(--orange); cursor: pointer;
    font-family: 'Noto Serif TC',serif; font-weight: 600; border: none; background: none; padding: 0; transition: opacity 0.2s; white-space: nowrap;
}
.clear-all-btn:hover { opacity: 0.65; }

.result-count { font-size: var(--fs-xs); color: var(--brown); opacity: 0.5; margin: 0.5rem; }
.result-count strong { color: var(--orange); opacity: 1; font-weight: 700; }

/* ══ 分館分組（核心新增）══ */
.building-group { margin-bottom: 3rem; animation: fadeInUp 0.5s ease backwards; }
.building-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 0.75rem; }
.building-name { font-family: 'Cinzel','Noto Serif TC',serif; font-size: 1.15rem; font-weight: 600; color: var(--brown); letter-spacing: 0.08em; }
.building-count { font-size: var(--fs-xs); color: var(--brown); opacity: 0.45; }
.building-divider { height: 1px; background: linear-gradient(90deg,var(--orange),rgba(255,140,66,0.1)); margin-bottom: 1.5rem; }
.building-cards { display: grid; grid-template-columns: repeat(auto-fill,minmax(200px,1fr)); gap: 1.5rem; }

/* 品牌卡片 */
.brand-card {
    background: var(--card-bg); backdrop-filter: blur(10px); border-radius: 10px; overflow: hidden;
    box-shadow: 0 6px 24px var(--shadow),inset 0 1px 0 rgba(255,255,255,1);
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1),box-shadow 0.4s;
    border: 1px solid var(--border); position: relative; cursor: pointer; animation: fadeInScale 0.5s ease backwards;
}
.brand-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg,var(--orange),var(--orange-light));
    transform: scaleX(0); transition: transform 0.4s ease; transform-origin: left; z-index: 2;
}
.brand-card:hover { transform: translateY(-6px); box-shadow: 0 14px 42px rgba(92,64,51,0.13),inset 0 1px 0 rgba(255,255,255,1); }
.brand-card:hover::before { transform: scaleX(1); }

.brand-image {
    width: 100%; height: 85px; background: white;
    display: flex; align-items: center; justify-content: center;
    border-bottom: 1px solid rgba(255,140,66,0.08); overflow: hidden;
}
.brand-image img { max-width: 100%; object-fit: contain; transition: transform 0.4s ease; }
.brand-card:hover .brand-image img { transform: scale(1.05); }

.brand-info { padding: 0.45rem 0.6rem; display: flex; justify-content: space-between; align-items: center; background: rgba(255,255,255,0.5); }
.brand-name { font-size: var(--fs-sm); color: var(--brown); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 75%; }
.brand-floor { font-size: var(--fs-sm); font-weight: 700; color: var(--orange); flex-shrink: 0; }

/* 無結果 */
.no-result { text-align: center; padding: 4rem 2rem; background: rgba(255,255,255,0.9); border-radius: 10px; box-shadow: 0 8px 32px var(--shadow); animation: fadeInScale 0.5s ease; }
.no-result-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.no-result-text { font-size: 1rem; color: var(--brown); font-weight: 500; margin-bottom: 0.5rem; }
.no-result-hint { font-size: var(--fs-xs); color: var(--brown); opacity: 0.5; }

.loading,.error { text-align: center; padding: 3.5rem 2rem; background: rgba(255,255,255,0.9); border-radius: 10px; box-shadow: 0 8px 32px var(--shadow); margin: 1.5rem 0; }
.loading { color: #7a6a5a; } .error { color: #c33; }

@keyframes fadeInDown  { from{opacity:0;transform:translateY(-24px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeInUp    { from{opacity:0;transform:translateY(24px)}  to{opacity:1;transform:translateY(0)} }
@keyframes fadeInScale { from{opacity:0;transform:scale(0.97)}       to{opacity:1;transform:scale(1)}     }

@media (max-width: 1200px) {
    .section-title {
        margin: 0rem 0 2rem;
    }
    }
/* 768px */
@media (max-width: 768px) {
    .container { padding: 0 1rem; }
    .filter-section,.type-filter-section,.az-filter-section { padding: 0.9rem 1rem; }
    .az-filter-section { display: none; }
    .az-mobile-group { display: flex; }
    .filter-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; align-items: end; }
    .search-box { grid-column: 1 / -1; min-width: 0; }
    .type-btn { font-size: 0.78rem; padding: 0.28rem 0.75rem; }
    .building-name { font-size: 1rem; }
    .building-cards { grid-template-columns: repeat(2,1fr); gap: 1rem; }
    .brand-image { height: 80px; }
}

/* 480px */
@media (max-width: 480px) {
    .brands { padding: 1.5rem 0; }
    .section-title { margin: 4rem 0 2rem; }
    .filter-section,.type-filter-section { padding: 0.8rem; }
    .filter-row { gap: 0.5rem; }
    .building-group { margin-bottom: 2rem; }
    .building-name { font-size: 0.95rem; }
    .building-cards { grid-template-columns: repeat(2,1fr); gap: 0.7rem; }
    .brand-image { height: 72px; }
    .brand-name,.brand-floor { font-size: 0.78rem; }
}