/* feedback 頁面樣式 — 自 templates/feedback.html 逐字抽離（P10）。 */

/* ================================================
   CSS Variables & Base
   ================================================ */
:root {
    /* 品牌金接點（R6-1）：本頁主金＝theme 品牌金，走語義層 --brand。換廟／換皮只改
       theme 的 --brand → 本頁品牌金一併換皮。--gold-mid 為既有消費名（body 多處吃），
       鏈到接點＝換名不換值零外觀（--brand ＝ var(--gold) ＝ #c48945）。 */
    --fb-brand:     var(--brand);
    --gold-mid:     var(--fb-brand);
    /* ⚠️全域消費遮蔽（比照 committee --gold-bright，R6-1 決策：不改名不改值）：
       --gold-deep 也被全域導覽列 layout-chrome.css 消費（var(--gold-deep)），本頁 :root
       覆寫成頁面深金 #A0703A＝刻意保留的遮蔽（讓本頁導覽列深金與頁面調性一致）。此值非
       theme 色票、與各頁自訂深金不同＝頁面專屬調性，故保留字面值不對映 theme。 */
    --gold-deep:    #A0703A;
    --fb-gold-light:   var(--c-e6ba67);
    --fb-gold-pale:    #F5E6CC;
    --fb-gold-wash:    #FBF4E8;
    --bg-page:      #F7F2EA;
    --bg-card:      #FDFAF5;
    --text-heading: #5C3D1E;
    --text-body:    #4A4035;
    --text-muted:   #9A8875;
    --border-soft:  var(--c-196-137-69-a18);
    /* 陰影墨通道 token（R6-1 重複色收斂，換名不換值）：同一暖褐底色 rgba(100,65,20,·)
       在頁面出現 7 次（各種透明度），warm rgba(160,112,58,·) 2 次、deep rgba(60,35,10,·)
       2 次。收成頁面 namespace 通道＝一處改底色全頁陰影跟著換；展開後色值與原本一字不差。 */
    --fb-shadow-ink:  100, 65, 20;
    --fb-shadow-warm: 160, 112, 58;
    --fb-shadow-deep: 60, 35, 10;
    --shadow-card:  0 2px 12px rgba(var(--fb-shadow-ink), 0.08), 0 1px 3px rgba(var(--fb-shadow-ink), 0.05);
    --shadow-hover: 0 8px 28px rgba(var(--fb-shadow-ink), 0.14), 0 2px 8px rgba(var(--fb-shadow-ink), 0.08);
    --radius-card:  18px;
    --radius-pill:  50px;
}

/* ================================================
   Page Layout
   ================================================ */
.fb-page {
    min-height: 100vh;
    background: var(--bg-page);
    font-family: var(--font-body);
    padding-bottom: 80px;
}

.fb-hero {
    text-align: center;
    padding: 52px 20px 36px;
    position: relative;
}

.fb-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--fb-gold-light), var(--gold-mid), var(--fb-gold-light), transparent);
}

.fb-hero__ornament {
    font-size: 1.75rem;
    letter-spacing: 6px;
    color: var(--fb-gold-light);
    display: block;
    margin-bottom: 10px;
    opacity: 0.7;
}

.fb-hero__title {
    font-size: clamp(24px, 5vw, 36px);
    font-weight: 400;
    color: var(--text-heading);
    margin: 0 0 10px;
    letter-spacing: 4px;
}

.fb-hero__subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin: 0;
}

/* ================================================
   Category Filter Bar
   ================================================ */
/* 分類篩選鈕已改用 theme.css 的共用 .filter-pills／.filter-pill 元件（R5-5）。
   此處只留 sticky 外框（頁面版面，非 pill 樣式）；橫向留白供捲動邊界。 */
.fb-filter-wrap {
    position: sticky;
    top: 0;
    z-index: 100;
    background: linear-gradient(to bottom, var(--bg-page) 85%, transparent);
    padding: 14px 20px 10px;
}

/* ================================================
   Feed Container
   ================================================ */
.fb-feed {
    max-width: 1000px;
    margin: 0 auto;
    padding: 10px 18px 20px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
}
/* 空狀態／篩選無結果橫跨整列 */
.fb-empty { grid-column: 1 / -1; }

/* ================================================
   Story Card
   ================================================ */
.fb-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-soft);
    padding: 24px 26px 20px;
    transition: box-shadow 0.3s ease, transform 0.3s ease, opacity 0.35s ease;
    position: relative;
    overflow: hidden;
}

.fb-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--fb-gold-light), var(--gold-mid));
    border-radius: var(--radius-4) 0 0 var(--radius-4);
    opacity: 0.6;
}

.fb-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

/* Fade in animation */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
.fb-card.is-visible {
    animation: fadeInUp 0.38s ease forwards;
}
.fb-card.is-hidden {
    display: none;
}

/* Card Header Row */
.fb-card__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.fb-card__left {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.fb-card__author {
    font-size: 1.0625rem;
    font-weight: bold;
    color: var(--text-heading);
    letter-spacing: 1px;
    line-height: 1.3;
}

.fb-card__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* Category Tag */
.fb-tag {
    display: inline-block;
    padding: 3px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    letter-spacing: 1px;
    font-weight: bold;
}
.fb-tag--運途 { background: #FFF0D6; color: #C07800; }
.fb-tag--事業 { background: #E8F4FF; color: #3570A8; }
.fb-tag--財運 { background: #EDFCE8; color: #3A8040; }
.fb-tag--身體 { background: #FDE8E8; color: #B03030; }
.fb-tag--姻緣 { background: #FDE8F8; color: #9B3A8A; }
.fb-tag--收驚 { background: #E8F0FF; color: #4050B0; }
.fb-tag--其他 { background: #F0EDE8; color: #7A6858; }
.fb-tag--default { background: var(--fb-gold-pale); color: var(--gold-deep); }

/* Date placeholder */
.fb-card__date {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* Feedback ID */
.fb-card__id {
    font-size: 0.6875rem;
    color: #C8BAA8;
    font-family: monospace;
    letter-spacing: 1.5px;
}

/* Content Block */
.fb-card__body {
    position: relative;
}

.fb-card__text {
    font-size: 0.9375rem;
    line-height: 1.95;
    color: var(--text-body);
    word-break: break-word;
    letter-spacing: 0.3px;
    white-space: pre-line;   /* 保留使用者換行（內文以 textContent/autoescape 帶入＝XSS 安全） */
}

/* Collapsed state */
.fb-card__text.is-collapsed {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fb-card__fade {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--bg-card));
    pointer-events: none;
    transition: opacity 0.3s;
}
.fb-card__fade.is-hidden { opacity: 0; pointer-events: none; }

/* Card Footer */
.fb-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px dashed var(--c-196-137-69-a20);
}

/* Read More Toggle */
.fb-readmore-btn {
    background: none;
    border: none;
    color: var(--gold-mid);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    cursor: pointer;
    padding: 0;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}
.fb-readmore-btn:hover { color: var(--gold-deep); }
.fb-readmore-btn::after {
    content: '▾';
    display: inline-block;
    transition: transform 0.3s;
}
.fb-readmore-btn.is-open::after { transform: rotate(180deg); }
.fb-readmore-btn.is-hidden-btn { visibility: hidden; pointer-events: none; }

/* Blessing Button */
.fb-bless-btn {
    background: none;
    border: 1.5px solid var(--fb-gold-pale);
    border-radius: var(--radius-pill);
    padding: 5px 14px;
    font-size: 0.8125rem;
    font-family: var(--font-body);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 5px;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.fb-bless-btn:hover {
    background: var(--fb-gold-wash);
    border-color: var(--fb-gold-light);
    color: var(--gold-mid);
}
.fb-bless-btn.is-blessed {
    background: var(--fb-gold-pale);
    border-color: var(--gold-mid);
    color: var(--gold-deep);
    font-weight: bold;
}
.fb-bless-btn .bless-icon { 
    font-size: 0.9375rem;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.fb-bless-btn.is-blessed .bless-icon { transform: scale(1.3); }

/* Empty State */
.fb-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: 0.9375rem;
    letter-spacing: 1px;
    line-height: 2;
}
.fb-empty__icon { font-size: 2.5rem; display: block; margin-bottom: 12px; opacity: 0.5; }

/* ================================================
   Sort Tabs（最新／最多祝福）
   ================================================ */
.fb-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 8px 20px 0;
}
.fb-tab {
    background: none;
    border: 1.5px solid var(--fb-gold-light);
    border-radius: var(--radius-pill);
    padding: 7px 22px;
    font-size: 0.875rem;
    font-family: var(--font-body);
    color: var(--gold-mid);
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.fb-tab:hover { background: var(--fb-gold-wash); }
.fb-tab.is-active {
    background: var(--gold-mid);
    border-color: var(--gold-mid);
    color: var(--white);
    font-weight: bold;
}

/* ================================================
   我要回饋 CTA（頁頂主鈕＋列表尾鈕；浮動鈕退役）
   ================================================ */
.fb-cta-btn {
    display: inline-block;
    margin-top: 22px;
    background: linear-gradient(135deg, var(--gold-mid), var(--gold-deep));
    color: var(--white);
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: bold;
    letter-spacing: 2px;
    border: none;
    border-radius: var(--radius-pill);
    padding: 13px 40px;
    cursor: pointer;
    box-shadow: var(--shadow-hover);
    transition: opacity 0.2s, transform 0.2s;
}
.fb-cta-btn:hover { opacity: 0.92; transform: translateY(-2px); }

/* FB1 載入更多：JS 漸進增強打分頁 API；無 JS 時＝連到 ?all=1 的一般連結 */
.fb-loadmore-wrap {
    text-align: center;
    max-width: 1000px;
    margin: 20px auto 0;
    padding: 0 20px;
}
.fb-loadmore-wrap.is-hidden { display: none; }

.fb-tail-cta {
    text-align: center;
    max-width: 1000px;
    margin: 12px auto 0;
    padding: 28px 20px 10px;
}
.fb-tail-cta__text {
    font-size: 0.9375rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin: 0 0 4px;
}

/* 每則回饋固定 permalink 連結（AI-SEO：可被引用的最小單位） */
.fb-card__permalink {
    flex-shrink: 0;
    font-size: 0.875rem;
    text-decoration: none;
    opacity: 0.45;
    transition: opacity 0.2s;
    line-height: 1;
}
.fb-card__permalink:hover { opacity: 1; }

/* 祝福數（社會證明訊號，輸出在 HTML 文字中） */
.fb-bless-btn .bless-count {
    font-weight: bold;
    font-variant-numeric: tabular-nums;
    min-width: 1ch;
    text-align: right;
}

/* ================================================
   Modal
   ================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(var(--fb-shadow-deep), 0.55);
    backdrop-filter: blur(3px);
    justify-content: center;
    align-items: center;
}
.modal-overlay.is-visible { display: flex; }

.modal-content {
    background: #F8F3EA;
    padding: 32px 28px;
    border-radius: var(--radius-20);
    position: relative;
    max-height: 92vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(var(--fb-shadow-deep), 0.25);
    width: 92%;
    max-width: 580px;
    font-family: var(--font-body);
    border: 1px solid var(--border-soft);
}

.modal-close-btn {
    position: absolute;
    top: 14px; right: 14px;
    background: var(--gold-mid);
    border: none;
    border-radius: var(--radius-full);
    width: 34px; height: 34px;
    color: white;
    font-size: 1.125rem;
    line-height: 34px;
    text-align: center;
    cursor: pointer;
    padding: 0;
    transition: background 0.2s;
}
.modal-close-btn:hover { background: var(--gold-deep); }

/* Login / Warning Sections */
.modal-info-block {
    text-align: center;
    padding: 36px 20px;
    border-radius: var(--radius-14);
    margin: 10px 0;
}
.modal-info-block--login {
    background: var(--c-fffcf5);
    border: 1px solid var(--border-soft);
}
.modal-info-block--warn {
    background: #fff8e8;
    border: 2px solid #F0C060;
}
.modal-info-block h3 { font-size: 1.125rem; margin: 0 0 10px; }
.modal-info-block p  { font-size: 0.875rem; color: var(--c-666); line-height: 1.8; margin: 0 0 24px; }

/* Form */
.form-title {
    color: var(--text-heading);
    text-align: center;
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 3px;
    margin: 0 0 22px;
}

.form-fieldset {
    padding: 20px 18px;
    border-radius: var(--radius-14);
    border: 1px solid var(--border-soft);
    background: var(--white);
    margin-bottom: 18px;
    box-shadow: 0 2px 8px rgba(var(--fb-shadow-ink), 0.04);
}

.form-fieldset label {
    display: block;
    margin-bottom: 14px;
    font-size: 0.875rem;
    font-weight: bold;
    color: var(--text-heading);
    letter-spacing: 0.5px;
}
.form-fieldset label:last-child { margin-bottom: 0; }

.form-fieldset input[type=text],
.form-fieldset textarea {
    width: 100%;
    border: 1.5px solid #E5D8C5;
    border-radius: var(--radius-8);
    padding: 10px 12px;
    font-size: 0.9375rem;
    font-family: var(--font-body);
    box-sizing: border-box;
    margin-top: 6px;
    background: var(--bg-page);
    color: var(--text-body);
    transition: border-color 0.2s;
    outline: none;
    resize: vertical;
}
.form-fieldset input[type=text]:focus,
.form-fieldset textarea:focus {
    border-color: var(--gold-mid);
}

/* Radio tags in form */
.form-cat-group { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.form-cat-label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 14px;
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--fb-gold-light);
    font-size: 0.8125rem;
    color: var(--gold-mid);
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-body);
}
.form-cat-label input[type=radio] { display: none; }
.form-cat-label:hover { background: var(--fb-gold-pale); }
.form-cat-label:has(input:checked) {
    background: var(--gold-mid);
    border-color: var(--gold-mid);
    color: var(--white);
    font-weight: bold;
}

/* Agree checkbox */
.agree-row {
    background: var(--white);
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
    font-size: 0.84375rem;
    border: 1px solid var(--border-soft);
}
.agree-row label {
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.6;
    color: var(--text-body);
}
.agree-row input[type=checkbox] {
    margin-top: 3px;
    transform: scale(1.2);
    accent-color: var(--gold-mid);
    flex-shrink: 0;
}

/* Submit Button */
.btn-primary {
    width: 100%;
    display: block;
    background: linear-gradient(135deg, var(--gold-mid), var(--gold-deep));
    color: var(--white);
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: bold;
    letter-spacing: 2px;
    border: none;
    border-radius: var(--radius-pill);
    padding: 13px 0;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(var(--fb-shadow-warm), 0.35);
    transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover:not(:disabled) { opacity: 0.92; transform: translateY(-1px); }
.btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    background: #C0B0A0;
    box-shadow: none;
    transform: none;
}

/* ================================================
   Responsive
   ================================================ */
@media (max-width: 768px) {
    .fb-hero { padding: 40px 16px 28px; }
    .fb-feed {
        grid-template-columns: 1fr;   /* 手機單欄 */
        padding: 8px 12px 20px;
    }
    .fb-card { padding: 20px 18px 16px; }

    .fb-cta-btn { padding: 12px 32px; font-size: 0.9375rem; }

    .modal-content { padding: 24px 18px; }

    .form-cat-group { gap: 6px; }
    .form-cat-label { padding: 5px 12px; font-size: 0.78125rem; }
}
/* === Refined page polish === */
.fb-hero {
    padding-top: 76px;
    padding-bottom: 58px;
}

.fb-hero__title {
    letter-spacing: 0.16em;
}

.fb-card,
.modal-content,
.modal-info-block,
.form-fieldset {
    border-color: var(--gold-border);
    box-shadow: 0 14px 36px rgba(var(--fb-shadow-ink), 0.07);
}

.fb-card {
    border-radius: var(--radius-14);
}

.fb-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 52px rgba(var(--fb-shadow-ink), 0.11);
}

.fb-bless-btn,
.btn-primary {
    box-shadow: 0 8px 22px rgba(var(--fb-shadow-warm), 0.13);
}

@media (prefers-reduced-motion: reduce) {
    .fb-card.is-visible {
        animation: none !important;
    }
}