/* ============================================================
   浪浪追思專頁（星空下的彩虹橋）樣式
   深夜星空風 · 遵守：連結去底線、alert 無左邊線、按鈕 hover 只加深背景
   ============================================================ */

:root {
    --rb-bg-top: #0b1026;
    --rb-bg-bottom: #1a2348;
    --rb-gold: #ffd700;
    --rb-gold-soft: #ffe680;
    --rb-text: #eaf0ff;
    --rb-text-dim: #9fb0d8;
    --rb-card: rgba(28, 38, 74, 0.92);
    --rb-card-line: rgba(255, 255, 255, 0.12);
    --rb-radius: 1rem;
    --rb-maxw: 1300px;
}

* { box-sizing: border-box; }

a { text-decoration: none !important; }

.rainbow-body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Noto Sans TC', system-ui, sans-serif;
    color: var(--rb-text);
    background: linear-gradient(180deg, var(--rb-bg-top) 0%, var(--rb-bg-bottom) 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

/* 全頁狗狗星座背景（固定、墊在內容底下）*/
#bgDogs {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}
/* 內容一律疊在背景之上（比 z-index:-1 更穩，不受 body 背景影響）*/
.rainbow-body > *:not(#bgDogs) {
    position: relative;
    z-index: 1;
}

/* ── 頂部 header（含 iOS safe-area）── */
.rainbow-header {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: max(1rem, env(safe-area-inset-top)) 1rem 1rem;
    text-align: center;
}
.rainbow-back {
    position: absolute;
    left: 1rem;
    top: max(1rem, env(safe-area-inset-top));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--rb-card);
    color: var(--rb-text);
    transition: background 0.2s;
}
.rainbow-back:hover { background: rgba(255, 255, 255, 0.16); }
.rainbow-header-title h1 {
    margin: 0;
    font-family: 'Noto Serif TC', 'LXGW WenKai TC', serif;
    font-size: clamp(2rem, 5.5vw, 3.4rem);
    font-weight: 900;
    letter-spacing: 0.12em;
    line-height: 1.25;
    color: var(--rb-gold-soft);
    text-shadow: 0 0 1.5rem rgba(255, 215, 0, 0.35);
}
.rainbow-header-title p {
    margin: 0.5rem 0 0;
    font-family: 'LXGW WenKai TC', 'Noto Serif TC', serif;
    font-size: clamp(0.95rem, 2.4vw, 1.3rem);
    color: var(--rb-gold-soft);
    opacity: 0.82;
    letter-spacing: 0.32em;
}

/* 標題用字工具類 */
.rainbow-font-serif { font-family: 'Noto Serif TC', 'LXGW WenKai TC', serif; }

/* 情感號召（輪播）*/
.rainbow-cta-wrap {
    text-align: center;
    padding: 0 1.5rem 0.25rem;
    min-height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.rainbow-cta {
    display: inline-block;
    max-width: 42rem;
    margin: 0 auto;
    font-family: 'LXGW WenKai TC', 'Noto Serif TC', serif;
    font-size: clamp(0.92rem, 2.3vw, 1.18rem);
    line-height: 1.7;
    letter-spacing: 0.04em;
    color: var(--rb-gold-soft);
    opacity: 0;
    transition: opacity 0.6s ease;
}
.rainbow-cta.is-show { opacity: 0.9; }

/* ── 月份切換 ── */
.rainbow-month-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding: 0.5rem 1rem 1.5rem;
}
.rainbow-month-arrow {
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--rb-text-dim);
    padding: 0.4rem 0.6rem;
    border-radius: 0.6rem;
    transition: background 0.2s, color 0.2s;
}
.rainbow-month-arrow:hover { background: var(--rb-card); color: var(--rb-text); }
.rainbow-month-arrow.is-disabled { opacity: 0; pointer-events: none; width: 3rem; }
.rainbow-month-arrow .material-icons { font-size: 1.1rem; }
.rainbow-month-select {
    background: var(--rb-card);
    color: var(--rb-text);
    border: 1px solid var(--rb-card-line);
    border-radius: 0.6rem;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
}
.rainbow-month-select option { background: var(--rb-bg-bottom); color: var(--rb-text); }

/* 複製網址 / 分享按鈕 */
.rainbow-share { display: inline-flex; gap: 0.4rem; margin-left: 0.4rem; }
.rainbow-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.6rem;
    background: var(--rb-card);
    border: 1px solid var(--rb-card-line);
    color: var(--rb-text);
    cursor: pointer;
    transition: background 0.2s;
}
.rainbow-share-btn:hover { background: rgba(255, 255, 255, 0.16); }
.rainbow-share-btn .material-icons { font-size: 1.2rem; }

/* ── 繁星祈願區（電腦版加寬至 1300px）── */
.rainbow-stars-section {
    position: relative;
    width: 100%;
    max-width: var(--rb-maxw);
    margin: 0 auto;
    padding: 0 1rem;
}
#starCanvas {
    display: block;
    width: 100%;
    height: clamp(20rem, 58vh, 42rem);
    touch-action: manipulation;
}
.rainbow-stars-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    pointer-events: none;
    padding-bottom: 1rem;
}
.rainbow-stars-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--rb-text-dim);
    background: rgba(11, 16, 38, 0.5);
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
}
.rainbow-stars-hint .material-icons { font-size: 1rem; }
.rainbow-blessing-bubble {
    margin-top: 0.75rem;
    max-width: 90%;
    font-size: 1rem;
    line-height: 1.7;
    text-align: center;
    color: var(--rb-gold-soft);
    background: rgba(11, 16, 38, 0.78);
    border-radius: var(--rb-radius);
    padding: 0.9rem 1.2rem;
    opacity: 0;
    transform: translateY(0.5rem);
    transition: opacity 0.4s, transform 0.4s;
}
.rainbow-blessing-bubble.is-show { opacity: 1; transform: translateY(0); }
.rainbow-stars-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--rb-text-dim);
    margin: 0.25rem 0 0;
}

/* ── 數據看板 ── */
.rainbow-board {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    max-width: 40rem;
    margin: 2rem auto;
    padding: 0 1rem;
}
.rainbow-board-card {
    background: var(--rb-card);
    border: 1px solid var(--rb-card-line);
    border-radius: var(--rb-radius);
    padding: 1.5rem 1rem;
    text-align: center;
}
.rainbow-board-card .material-icons { font-size: 2rem; }
.rainbow-board-card.is-angel .material-icons { color: var(--rb-gold-soft); }
.rainbow-board-card.is-hope .material-icons { color: #7be0a4; }
.rainbow-board-num {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 0.5rem 0 0.25rem;
}
.rainbow-board-label { font-size: 0.85rem; color: var(--rb-text-dim); }

/* ── 通用 section ── */
.rainbow-section { max-width: var(--rb-maxw); margin: 2.5rem auto; padding: 0 1rem; }
.rainbow-section.is-narrow { max-width: 62rem; }
.rainbow-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
    color: var(--rb-gold-soft);
    margin: 0 0 0.5rem;
}
.rainbow-section-sub {
    font-size: 0.9rem;
    line-height: 1.7;
    text-align: center;
    color: var(--rb-text-dim);
    max-width: 36rem;
    margin: 0 auto 1.5rem;
}

/* ── 縣市微光（台灣星座地圖 + 卡片）── */
.rainbow-map-wrap {
    display: flex;
    gap: 1.75rem;
    align-items: flex-start;
}
.rainbow-map {
    flex: 1 1 50%;
    min-width: 0;
    position: sticky;
    top: 1rem;
}
#taiwanMap {
    width: 100%;
    height: clamp(24rem, 64vh, 48rem);
    display: block;
    overflow: visible;
}
.rb-county-path { transition: fill 0.2s, stroke 0.2s, filter 0.2s; }
.rb-county-path:hover,
.rb-county-path:focus { stroke: var(--rb-gold); stroke-width: 2; outline: none; }
.rb-county-path.is-active {
    stroke: var(--rb-gold);
    stroke-width: 2.4;
    filter: drop-shadow(0 0 4px rgba(255, 215, 0, 0.7));
}
.rainbow-county-cards {
    flex: 1 1 50%;
    min-width: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(4.6rem, 1fr));
    gap: 0.6rem;
    align-content: flex-start;
}
@media (max-width: 760px) {
    .rainbow-map-wrap { flex-direction: column; }
    .rainbow-map { flex: none; width: 100%; margin: 0 auto; position: static; }
    #taiwanMap { height: 48vh; }
    .rainbow-county-cards { width: 100%; grid-template-columns: repeat(auto-fill, minmax(4.8rem, 1fr)); }
}
.rainbow-county-dot {
    position: relative;
    border: 1px solid var(--rb-card-line);
    border-radius: 0.8rem;
    background:
        linear-gradient(rgba(255, 215, 0, calc(0.05 + var(--glow, 0) * 0.22)), rgba(255, 215, 0, calc(0.05 + var(--glow, 0) * 0.22))),
        rgba(28, 38, 74, 0.92);
    box-shadow: 0 0 calc(var(--glow, 0) * 1.4rem) rgba(255, 215, 0, calc(var(--glow, 0) * 0.5));
    color: var(--rb-text);
    padding: 0.9rem 0.5rem;
    cursor: pointer;
    font-family: inherit;
    text-align: center;
    transition: transform 0.15s, background 0.2s;
}
.rainbow-county-dot:hover {
    transform: translateY(-2px);
    background:
        linear-gradient(rgba(255, 215, 0, calc(0.13 + var(--glow, 0) * 0.24)), rgba(255, 215, 0, calc(0.13 + var(--glow, 0) * 0.24))),
        rgba(28, 38, 74, 0.95);
}
.rainbow-county-dot.is-active { outline: 2px solid var(--rb-gold); }
.rainbow-county-name { display: block; font-size: 0.85rem; font-weight: 500; }
.rainbow-county-star { display: block; font-size: 1.1rem; font-weight: 700; color: var(--rb-gold-soft); margin-top: 0.2rem; }
.rainbow-county-detail {
    margin: 0 0 1.25rem;
    background: var(--rb-card);
    border: 1px solid var(--rb-card-line);
    border-radius: var(--rb-radius);
    padding: 1rem 1.4rem;
    font-size: 0.95rem;
    line-height: 1.8;
}
.rainbow-county-detail strong { color: var(--rb-gold-soft); }

/* ── 等家狗狗收養牆 ── */
.rainbow-county-filter { text-align: center; margin-bottom: 1.25rem; }
#dogCountyFilter {
    background: var(--rb-card);
    color: var(--rb-text);
    border: 1px solid var(--rb-card-line);
    border-radius: 0.6rem;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
}
#dogCountyFilter option { background: var(--rb-bg-bottom); }
.rainbow-dogs-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr));
    gap: 1rem;
}
.rainbow-dogs-loading, .rainbow-dogs-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--rb-text-dim);
    padding: 2rem 0;
}
.rainbow-dog-card {
    background: var(--rb-card);
    border: 1px solid var(--rb-card-line);
    border-radius: var(--rb-radius);
    overflow: hidden;
    transition: transform 0.15s;
}
.rainbow-dog-card:hover { transform: translateY(-3px); }
.rainbow-dog-photo {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background: rgba(255, 255, 255, 0.05);
    display: block;
}
.rainbow-dog-info { padding: 0.7rem 0.8rem; }
.rainbow-dog-meta { font-size: 0.8rem; color: var(--rb-text); font-weight: 500; }
.rainbow-dog-shelter { font-size: 0.72rem; color: var(--rb-text-dim); margin-top: 0.25rem; line-height: 1.5; }
.rainbow-dog-tags { margin-top: 0.4rem; display: flex; flex-wrap: wrap; gap: 0.3rem; }
.rainbow-dog-tag {
    font-size: 0.68rem;
    padding: 0.12rem 0.5rem;
    border-radius: 999px;
    background: rgba(255, 215, 0, 0.12);
    color: var(--rb-gold-soft);
}
.rainbow-dogs-cta { text-align: center; margin-top: 1.5rem; }

/* ── 點燈留言 ── */
.rainbow-light-form {
    max-width: 34rem;
    margin: 0 auto 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.rainbow-input {
    width: 100%;
    background: var(--rb-card);
    border: 1px solid var(--rb-card-line);
    border-radius: 0.7rem;
    padding: 0.75rem 1rem;
    color: var(--rb-text);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
}
.rainbow-input::placeholder { color: var(--rb-text-dim); }
.rainbow-input:focus { outline: none; border-color: var(--rb-gold); }
.rainbow-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.rainbow-lights-list {
    max-width: 40rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.rainbow-light-item {
    background: var(--rb-card);
    border-radius: var(--rb-radius);
    padding: 0.9rem 1.1rem;
}
.rainbow-light-head {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--rb-text-dim);
    margin-bottom: 0.4rem;
}
.rainbow-light-head .material-icons { font-size: 0.95rem; color: var(--rb-gold); }
.rainbow-light-nick { color: var(--rb-gold-soft); font-weight: 500; }
.rainbow-light-msg { font-size: 0.95rem; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
.rainbow-lights-more { display: block; margin: 1.25rem auto 0; }

/* ── 按鈕（hover 只加深背景，不改文字色）── */
.rainbow-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border: 1px solid var(--rb-card-line);
    border-radius: 999px;
    background: var(--rb-card);
    color: var(--rb-text);
    padding: 0.7rem 1.4rem;
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
}
.rainbow-btn:hover { background: rgba(255, 255, 255, 0.16); }
.rainbow-btn .material-icons { font-size: 1.1rem; }
.rainbow-btn.is-primary {
    background: linear-gradient(135deg, var(--rb-gold) 0%, #f9a825 100%);
    color: #2a2300;
    border: none;
    font-weight: 700;
}
.rainbow-btn.is-primary:hover { background: linear-gradient(135deg, #ffc400 0%, #e69500 100%); color: #2a2300; }

/* ── 空狀態 ── */
.rainbow-empty {
    max-width: 30rem;
    margin: 4rem auto;
    text-align: center;
    padding: 0 1.5rem;
}
.rainbow-empty .material-icons { font-size: 3.5rem; color: var(--rb-gold-soft); }
.rainbow-empty h2 { font-size: 1.4rem; margin: 1rem 0 0.5rem; }
.rainbow-empty p { color: var(--rb-text-dim); line-height: 1.8; margin-bottom: 1.5rem; }

/* ── Footer（含底部 safe-area）── */
.rainbow-footer {
    text-align: center;
    color: var(--rb-text-dim);
    font-size: 0.8rem;
    line-height: 1.8;
    padding: 2.5rem 1rem max(2rem, calc(env(safe-area-inset-bottom) + 1rem));
    margin-top: 2rem;
    border-top: 1px solid var(--rb-card-line);
}
.rainbow-footer a { color: var(--rb-gold-soft); }
.rainbow-footer-slogan {
    margin-top: 1rem;
    font-family: 'LXGW WenKai TC', 'Noto Serif TC', serif;
    font-size: 1rem;
    color: var(--rb-gold-soft);
    letter-spacing: 0.06em;
}
.rainbow-footer-brand { margin-top: 0.6rem; }

@media (max-width: 480px) {
    .rainbow-header-title h1 { font-size: 1.25rem; }
    #starCanvas { height: 18rem; }
    .rainbow-board-num { font-size: 1.8rem; }
}