/* ============================================================
   色系：跟 WedPlay Studio 網站一致
   想換色，只需要改下面這幾個變數
   ============================================================ */
:root {
  --bg: #ffffff;          /* 頁面底色 */
  --tint: #f6f9fc;        /* 交替區塊底色（淡藍灰） */
  --paper: #ffffff;       /* 卡片 */
  --ink: #1f2947;         /* 深海軍藍：標題、主按鈕 */
  --ink-hover: #2e3b63;
  --body: #5d6882;        /* 內文 */
  --muted: #778096;       /* 次要文字 */
  --line: #e7ecf2;        /* 分隔線、卡片邊框 */
  --rose: #aa4b6e;        /* 玫瑰紅：小標題、重點 */
  --rose-soft: #f4eaf1;   /* 玫瑰淡底 */
  --ok: #3f8f6b;
  --danger: #c2413b;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(31, 41, 71, .07);
  --serif: 'Noto Serif TC', 'Cormorant Garamond', 'PingFang TC', 'Microsoft JhengHei', serif;
  --latin: 'Cormorant Garamond', 'Noto Serif TC', serif;
  --sans: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--body);
  font-family: var(--sans); line-height: 1.75; position: relative;
  padding-bottom: env(safe-area-inset-bottom);
}
/* 頂部柔和彩虹線 */
body::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; z-index: 5;
  background: linear-gradient(90deg, #ecb9d1, #d6c2da, #c0cbe3, #acd5ec, #c1dacd, #dbdeac, #f6e28d);
}
img { max-width: 100%; display: block; }
h1, h2 { font-family: var(--serif); font-weight: 500; color: var(--ink); margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); font-size: .9rem; }
.kicker { margin: 0 0 6px; color: var(--rose); font-size: .85rem; font-weight: 500; letter-spacing: .3em; text-align: center; }

/* ---------- Hero ---------- */
.hero {
  text-align: center; padding: 64px 24px 48px; background-color: var(--tint);
  background-image:
    radial-gradient(ellipse 60% 55% at 0% 35%, var(--rose-soft), transparent 70%),
    radial-gradient(ellipse 60% 55% at 100% 75%, #e6f0fb, transparent 70%);
}
.hero > * { max-width: 640px; margin-left: auto; margin-right: auto; }
.logo { width: 72px; height: 72px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 6px 18px rgba(31, 41, 71, .12); display: block; object-fit: cover; margin-bottom: 16px; }
.eyebrow { font-family: var(--latin); font-style: italic; font-size: 1.25rem; color: var(--rose); margin-top: 0; margin-bottom: 10px; letter-spacing: .02em; }
.hero h1 { font-family: var(--latin); font-style: italic; font-size: clamp(2.6rem, 12vw, 4.2rem); line-height: 1.1; }
.date { margin-top: 10px; margin-bottom: 0; letter-spacing: .28em; color: var(--muted); font-family: var(--latin); font-size: 1.1rem; }
.divider { margin-top: 18px; margin-bottom: 18px; color: var(--rose); display: flex; align-items: center; gap: 14px; justify-content: center; }
.divider::before, .divider::after { content: ''; height: 1px; width: 64px; background: #d9c3cf; }
.lead { white-space: pre-line; color: var(--body); margin-top: 0; margin-bottom: 26px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  appearance: none; border: 1px solid transparent; border-radius: 999px;
  padding: 12px 28px; font: inherit; font-size: .95rem; font-weight: 500; letter-spacing: .06em;
  cursor: pointer; text-decoration: none; display: inline-block; text-align: center;
  transition: background .2s, color .2s, opacity .2s, transform .1s;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--ink-hover); }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }
.btn-ghost { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: rgba(31, 41, 71, .06); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: rgba(194, 65, 59, .08); }
.btn-sm { padding: 6px 18px; font-size: .82rem; }
.btn-block { display: block; width: 100%; }
:focus-visible { outline: 2px solid var(--rose); outline-offset: 2px; }

/* ---------- 區塊 ---------- */
.band { padding: 56px 16px; }
.band-tint { background: var(--tint); }
.wrap { max-width: 1100px; margin: 0 auto; }
.panel {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px; max-width: 560px; margin: 0 auto;
  box-shadow: var(--shadow); scroll-margin-top: 16px;
}
.panel h2 { font-size: 1.7rem; text-align: center; margin-bottom: 20px; }
#upload, #wall { scroll-margin-top: 0; }

.drop {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  border: 1.5px dashed #c98aa5; border-radius: var(--radius);
  padding: 28px 16px; cursor: pointer; text-align: center; background: #fcf7fa;
  color: var(--ink);
}
.drop:hover { background: var(--rose-soft); }
.drop-icon { font-size: 2rem; color: var(--rose); line-height: 1; font-family: var(--latin); }
.drop small { color: var(--muted); }

.queue { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 6px; }
.queue li {
  display: flex; align-items: center; gap: 10px; font-size: .85rem;
  padding: 8px 12px; border-radius: 10px; background: var(--tint); border: 1px solid var(--line);
}
.queue .q-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); }
.queue .q-state { color: var(--muted); white-space: nowrap; }
.queue li.done .q-state { color: var(--ok); }
.queue li.fail .q-state { color: var(--danger); }
.queue .q-x { background: none; border: 0; color: var(--muted); font-size: 1rem; cursor: pointer; padding: 0 4px; }

.field { margin-top: 16px; }
.field label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 4px; }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; /* 16px 以上避免 iOS 自動放大 */
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: #fff; color: var(--ink); resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--rose); outline: none; box-shadow: 0 0 0 3px rgba(170, 75, 110, .12); }

.progress { margin: 18px 0 4px; }
.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #ecb9d1, #c0cbe3, #acd5ec); transition: width .25s; }
.progress p { margin: 6px 0 0; font-size: .85rem; color: var(--muted); text-align: center; }
#submit { margin-top: 18px; }
.status { text-align: center; margin: 12px 0 0; min-height: 1.5em; font-size: .95rem; }
.status.ok { color: var(--ok); }
.status.err { color: var(--danger); }

/* ---------- Wall ---------- */
.wall-head { display: flex; justify-content: space-between; align-items: flex-end; margin: 0 4px 18px; }
.wall-head .kicker { text-align: left; }
.wall-head h2 { font-size: 1.9rem; }
.masonry { column-count: 2; column-gap: 10px; }
@media (min-width: 640px) { .masonry { column-count: 3; column-gap: 14px; } }
@media (min-width: 960px) { .masonry { column-count: 4; } }
.card {
  position: relative; margin: 0 0 10px; break-inside: avoid; overflow: hidden;
  border-radius: 12px; background: #e3e9f2; cursor: zoom-in; box-shadow: 0 4px 14px rgba(31, 41, 71, .08);
}
@media (min-width: 640px) { .card { margin-bottom: 14px; } }
.card img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .4s, transform .4s; }
.card img.loaded { opacity: 1; }
.card:hover img { transform: scale(1.03); }
.card .cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 10px 8px;
  color: #fff; font-size: .78rem; background: linear-gradient(transparent, rgba(20, 26, 48, .6));
  opacity: 0; transition: opacity .25s; pointer-events: none;
}
.card:hover .cap, .card:focus-visible .cap { opacity: 1; }
@media (hover: none) { .card .cap { opacity: 1; } }
.card.is-new { animation: pop .6s ease-out; }
@keyframes pop { from { transform: scale(.92); opacity: 0; } to { transform: none; opacity: 1; } }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }
#sentinel { height: 1px; }
.foot { text-align: center; color: #6f7894; font-family: var(--latin); font-style: italic; letter-spacing: .02em; font-size: 1.1rem; padding: 24px 16px 40px; background: var(--tint); }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 50; background: rgba(18, 24, 46, .95); display: flex; align-items: center; justify-content: center; }
.lb-fig { margin: 0; max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; padding: 56px 12px 16px; }
.lb-fig img { max-width: 100%; max-height: calc(100vh - 190px); max-height: calc(100dvh - 190px); object-fit: contain; border-radius: 8px; }
.lb-fig figcaption { color: #eef1f8; text-align: center; margin-top: 12px; max-width: 560px; }
.lb-name { margin: 0; font-family: var(--serif); font-size: 1.1rem; }
.lb-msg { margin: 2px 0 10px; font-size: .9rem; color: #bcc5da; white-space: pre-wrap; word-break: break-word; }
.lightbox .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .7); }
.lightbox .btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.lb-close, .lb-nav {
  position: absolute; background: rgba(255, 255, 255, .12); color: #fff; border: 0;
  width: 44px; height: 44px; border-radius: 50%; font-size: 1.3rem; cursor: pointer; z-index: 2;
}
.lb-close { top: calc(12px + env(safe-area-inset-top)); right: 12px; }
.lb-nav { top: 50%; transform: translateY(-50%); font-size: 2rem; line-height: 1; }
.lb-prev { left: 8px; } .lb-next { right: 8px; }
@media (max-width: 640px) { .lb-nav { top: 40%; background: rgba(255, 255, 255, .07); } }
body.no-scroll { overflow: hidden; }

/* ---------- Admin ---------- */
body.admin { background: var(--tint); min-height: 100vh; }
.admin-wrap { max-width: 1100px; margin: 0 auto; padding: 32px 16px 60px; }
.admin-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.admin-bar h1 { font-size: 1.8rem; }
.tabs { display: flex; gap: 8px; }
.tab { border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 99px; padding: 6px 18px; cursor: pointer; font: inherit; font-size: .9rem; }
.tab[aria-selected="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.login { max-width: 360px; margin: 14vh auto; }
.agrid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
.acard { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 4px 14px rgba(31, 41, 71, .05); }
.acard img { width: 100%; aspect-ratio: 1; object-fit: cover; cursor: zoom-in; background: #e3e9f2; }
.acard .meta { padding: 8px 10px 4px; font-size: .78rem; color: var(--muted); flex: 1; word-break: break-word; }
.acard .meta b { color: var(--ink); font-weight: 500; }
.acard .acts { display: flex; gap: 6px; padding: 8px 10px 10px; }
.acard .acts .btn { flex: 1; padding: 6px 4px; font-size: .8rem; letter-spacing: 0; }
.acard.busy { opacity: .5; pointer-events: none; }
.load-more { display: block; margin: 22px auto 0; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* 讓 [hidden] 屬性永遠生效（避免被 display 規則蓋過） */
[hidden] { display: none !important; }