/* ==========================================================
   星夜商城 Starry Night Studio — 前台樣式
   ========================================================== */
:root {
  --ink:        #0a0a0c;
  --ink-2:      #0f0f13;
  --panel:      #131318;
  --panel-2:    #17171d;
  --line:       #24242c;
  --line-2:     #32323d;
  --text:       #ececef;
  --text-2:     #a6a6b0;
  --text-3:     #6e6e7a;
  --brand:      #5566cf;   /* 品牌靛藍（取自 Logo） */
  --brand-soft: #9aa6f2;
  --brand-deep: #2b3a86;
  --gold:       var(--brand);      /* 舊變數沿用，避免遺漏 */
  --gold-soft:  var(--brand-soft);
  --steel:      #7e9cc4;
  --ok:         #4ea87a;
  --warn:       #c9a227;
  --danger:     #c4635f;
  --r:          6px;
  --maxw:       1200px;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.01em; line-height: 1.35; }
p { margin: 0; }
::selection { background: rgba(85, 102, 207, .35); }


/* ------------------------------ 版面基礎 ------------------------------ */
.wrap { width: min(var(--maxw), calc(100% - 48px)); margin-inline: auto; }
.section { padding: 72px 0; }
.section--tight { padding: 48px 0; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

.label {
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-3); font-weight: 700;
}
.head { margin-bottom: 32px; }
.head h2 { font-size: 26px; margin: 10px 0 6px; }
.head p { color: var(--text-2); font-size: 14px; }
.head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

.muted { color: var(--text-2); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); }

/* -------------------------------- 頂欄 -------------------------------- */
.topbar {
  background: var(--ink-2); border-bottom: 1px solid var(--line);
  font-size: 13px; color: var(--text-2);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 36px; }
.topbar a { color: var(--gold-soft); }
.status { display: inline-flex; align-items: center; gap: 7px; }
.status i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--ok); display: inline-block;
}
.status i.off { background: #5a5a66; }

header.site {
  position: sticky; top: 0; z-index: 40;
  background: rgba(10, 10, 12, .93);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand .mark { width: 34px; height: 34px; flex-shrink: 0; }
.brand .mark img { width: 100%; height: 100%; object-fit: contain; }
.brand b { font-size: 16px; font-weight: 700; letter-spacing: .02em; }
.brand span { display: block; font-size: 10px; letter-spacing: .22em; color: var(--text-3); font-weight: 600; }

nav.main { display: flex; gap: 2px; margin-left: auto; }
nav.main a {
  padding: 7px 13px; font-size: 14px; color: var(--text-2); border-radius: var(--r);
}
nav.main a:hover { color: var(--text); background: var(--panel); }
nav.main a.on { color: var(--text); background: var(--panel); box-shadow: inset 0 -2px 0 var(--gold); }

.head-actions { display: flex; align-items: center; gap: 8px; }
.cart-link {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px;
  border: 1px solid var(--line-2); border-radius: var(--r); font-size: 14px;
}
.cart-link:hover { border-color: var(--gold); color: var(--gold-soft); }
.cart-link b { font-family: var(--mono); font-size: 13px; }
.menu-toggle {
  display: none; width: 38px; height: 34px; border: 1px solid var(--line-2);
  background: none; border-radius: var(--r); cursor: pointer;
}

/* -------------------------------- 按鈕 -------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--r); border: 1px solid transparent;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-primary:hover { background: #6675e0; border-color: #6675e0; }
.btn-outline { border-color: var(--line-2); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--text-3); background: var(--panel); }
.btn-quiet { border-color: transparent; background: var(--panel); color: var(--text-2); }
.btn-quiet:hover { color: var(--text); background: var(--panel-2); }
.btn-sm { padding: 7px 13px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* -------------------------------- 首頁 -------------------------------- */
.hero { border-bottom: 1px solid var(--line); background: var(--ink-2); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; padding: 76px 0 72px; align-items: center; }
.hero h1 { font-size: clamp(30px, 4vw, 46px); line-height: 1.22; letter-spacing: -0.02em; }
.hero h1 em { font-style: normal; color: var(--brand-soft); }
.hero .lead { color: var(--text-2); margin: 18px 0 28px; max-width: 46ch; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 32px; margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--line); }
.hero-meta div b { display: block; font-size: 22px; font-family: var(--mono); }
.hero-meta div span { font-size: 12px; color: var(--text-3); }

.spotlight { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--panel); }
.spotlight .cover { aspect-ratio: 16 / 10; }
.spotlight .body { padding: 18px 20px 20px; }
.spotlight .body h3 { font-size: 17px; margin-bottom: 6px; }

/* ------------------------------ 商品卡片 ------------------------------ */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(292px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.card {
  border: 1px solid var(--line); border-radius: var(--r); background: var(--panel);
  overflow: hidden; display: flex; flex-direction: column; transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--line-2); }
.cover {
  position: relative; aspect-ratio: 16 / 9; overflow: hidden;
  background: var(--panel-2); display: block;
  border-bottom: 1px solid var(--line);
}
/* 包住封面的連結需為定位基準，否則角標會掉到圖片外面 */
.card > a, .cover-link, .spotlight > a { position: relative; display: block; }
.cover img { width: 100%; height: 100%; object-fit: cover; }
.cover .ph {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--mono); font-size: 46px; color: #3d3d4a; letter-spacing: .08em;
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(85, 102, 207, .12), transparent 60%),
    repeating-linear-gradient(45deg, #15151b 0 11px, #191921 11px 22px);
}
.cover .flag, .card > a > .flag, .cover-link > .flag {
  position: absolute; top: 10px; left: 10px; z-index: 3;
  font-size: 11px; font-weight: 700; letter-spacing: .06em; line-height: 1.6;
  padding: 2px 9px; border-radius: 3px; background: var(--brand); color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .45);
}
.cover .flag.sold { background: #2a2a33; color: var(--text-2); }
.card-body { padding: 15px 17px 17px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.card-cat { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); font-weight: 700; }
.card h3 { font-size: 16px; }
.card .desc { font-size: 13px; color: var(--text-2); flex: 1; line-height: 1.65; }
.price { display: flex; align-items: baseline; gap: 8px; margin-top: 2px; }
.price b { font-size: 19px; font-family: var(--mono); font-weight: 700; }
.price s { font-size: 13px; color: var(--text-3); }
.card-foot { display: flex; gap: 8px; align-items: center; margin-top: 10px; padding-top: 12px; border-top: 1px solid var(--line); }
.card-foot .btn { flex: 1; }

.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  font-size: 12px; padding: 4px 10px; border: 1px solid var(--line-2); border-radius: 3px;
  color: var(--text-2); background: transparent; cursor: pointer;
}
.chip:hover { color: var(--text); border-color: var(--text-3); }
.chip.on { background: var(--text); color: var(--ink); border-color: var(--text); font-weight: 600; }
.tag { font-size: 11px; padding: 2px 8px; border: 1px solid var(--line-2); border-radius: 3px; color: var(--text-2); }

/* ------------------------------- 面板 ------------------------------- */
.panel { border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); padding: 24px; }
.panel h3 { font-size: 16px; margin-bottom: 12px; }
.panel + .panel { margin-top: 16px; }

.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.list li { font-size: 13.5px; color: var(--text-2); padding-left: 16px; position: relative; }
.list li::before {
  content: ""; position: absolute; left: 0; top: 11px;
  width: 5px; height: 1px; background: var(--gold);
}

.kv { display: flex; justify-content: space-between; gap: 16px; font-size: 14px; padding: 7px 0; }
.kv + .kv { border-top: 1px solid var(--line); }
.kv span:first-child { color: var(--text-2); }
.kv.total { border-top: 1px solid var(--line-2); margin-top: 6px; padding-top: 12px; font-size: 17px; font-weight: 700; }
.kv.total b { font-family: var(--mono); }
.kv.minus span:last-child { color: var(--ok); }

.badge { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 3px; border: 1px solid; }
.badge.open { color: var(--ok); border-color: rgba(78,168,122,.4); background: rgba(78,168,122,.1); }
.badge.maint { color: #cdb45f; border-color: rgba(201,162,39,.4); background: rgba(201,162,39,.1); }
.badge.off { color: var(--text-3); border-color: var(--line-2); }

/* ------------------------------- 表單 ------------------------------- */
.field { margin-bottom: 16px; }
.field > label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; font-weight: 600; }
.field .req { color: var(--danger); }
.input {
  width: 100%; padding: 10px 13px; background: var(--ink-2); color: var(--text);
  border: 1px solid var(--line-2); border-radius: var(--r); outline: none;
}
.input:focus { border-color: var(--gold); }
textarea.input { min-height: 96px; resize: vertical; }
select.input option { background: var(--panel); }
.hint { font-size: 12px; color: var(--text-3); margin-top: 6px; }
.row { display: flex; gap: 8px; }
.row .input { flex: 1; }

.opt {
  display: flex; gap: 12px; align-items: flex-start; padding: 13px 15px; cursor: pointer;
  border: 1px solid var(--line-2); border-radius: var(--r); margin-bottom: 8px; background: var(--ink-2);
}
.opt:hover { border-color: var(--text-3); }
.opt.on { border-color: var(--gold); background: rgba(85,102,207,.10); }
.opt.disabled { opacity: .5; cursor: not-allowed; }
.opt input { margin-top: 5px; accent-color: var(--gold); }
.opt .n { font-weight: 600; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.opt .f { font-size: 12.5px; color: var(--text-3); }

.msg { padding: 11px 14px; border-radius: var(--r); font-size: 13.5px; border: 1px solid; margin-bottom: 14px; }
.msg.ok { color: #8fd3b0; border-color: rgba(78,168,122,.35); background: rgba(78,168,122,.08); }
.msg.err { color: #e39a97; border-color: rgba(196,99,95,.35); background: rgba(196,99,95,.08); }
.msg.info { color: #b7c9e0; border-color: rgba(126,156,196,.3); background: rgba(126,156,196,.07); }
.msg.warn { color: #e0c163; border-color: rgba(201,162,39,.35); background: rgba(201,162,39,.07); }

/* ------------------------------ 購物車 ------------------------------ */
.cart-row { display: grid; grid-template-columns: 96px 1fr auto; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cart-row .thumb { aspect-ratio: 16/10; border-radius: 4px; overflow: hidden; background: var(--panel-2); }
.qty { display: inline-flex; border: 1px solid var(--line-2); border-radius: 4px; overflow: hidden; }
.qty button { width: 30px; height: 30px; background: var(--ink-2); border: 0; cursor: pointer; color: var(--text-2); }
.qty button:hover { background: var(--panel-2); color: var(--text); }
.qty span { min-width: 34px; display: grid; place-items: center; font-family: var(--mono); font-size: 13px; }
.link-danger { background: none; border: 0; padding: 0; color: var(--text-3); font-size: 12.5px; cursor: pointer; }
.link-danger:hover { color: var(--danger); }

.layout-2 { display: grid; grid-template-columns: 1fr 344px; gap: 28px; align-items: start; }
.sticky { position: sticky; top: 82px; }

/* ------------------------------ 商品頁 ------------------------------ */
.product-hero { display: grid; grid-template-columns: 1.25fr 1fr; gap: 36px; align-items: start; }
.product-hero .cover { aspect-ratio: 16/9; border: 1px solid var(--line); border-radius: var(--r); }
.crumbs { font-size: 13px; color: var(--text-3); margin-bottom: 20px; }
.crumbs a:hover { color: var(--text); }
.crumbs span { margin: 0 8px; }
.buy-box { border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); padding: 22px; }
.buy-box .price b { font-size: 28px; }
.prose { color: var(--text-2); font-size: 14.5px; white-space: pre-wrap; }

/* -------------------------------- 表格 ------------------------------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { padding: 12px 12px; text-align: left; border-bottom: 1px solid var(--line); }
table.data th { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); white-space: nowrap; }

/* -------------------------------- 頁尾 ------------------------------- */
footer.site { border-top: 1px solid var(--line); background: var(--ink-2); margin-top: 64px; padding: 52px 0 26px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
footer.site h4 { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-3); margin-bottom: 14px; }
footer.site ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
footer.site a, footer.site li { font-size: 13.5px; color: var(--text-2); }
footer.site a:hover { color: var(--gold-soft); }
.foot-bottom {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--text-3);
}

/* ------------------------------- 提示條 ------------------------------- */
#toasts { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 90; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--r);
  padding: 11px 18px; font-size: 13.5px; box-shadow: 0 12px 30px rgba(0,0,0,.5);
  animation: rise .2s ease;
}
.toast.ok { border-color: rgba(78,168,122,.5); }
.toast.err { border-color: rgba(196,99,95,.5); }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }

.empty { text-align: center; padding: 64px 0; color: var(--text-3); }

/* -------------------------------- RWD -------------------------------- */
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 36px; padding: 52px 0; }
  .layout-2 { grid-template-columns: 1fr; }
  .product-hero { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .sticky { position: static; }
  nav.main {
    display: none; position: absolute; top: 62px; left: 0; right: 0;
    flex-direction: column; background: var(--ink-2); border-bottom: 1px solid var(--line); padding: 8px;
  }
  nav.main.open { display: flex; }
  .menu-toggle { display: block; }
  header.site .wrap { position: relative; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100% - 32px); }
  .foot-grid { grid-template-columns: 1fr; }
  .hero-meta { gap: 20px; flex-wrap: wrap; }
  .cart-row { grid-template-columns: 72px 1fr; }
  .topbar .wrap { font-size: 12px; }
}


/* --------------------------- 首頁背景影片 --------------------------- */
.hero { position: relative; overflow: hidden; }
.hero-video {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(120deg, #0c0d18, #0a0a0c 60%);
}
.hero-video iframe {
  position: absolute; top: 50%; left: 50%;
  width: 100vw; height: 56.25vw;              /* 16:9 覆蓋 */
  min-height: 100%; min-width: 177.78vh;
  transform: translate(-50%, -50%);
  border: 0; pointer-events: none;
}
.hero-video::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(10,10,12,.94) 0%, rgba(10,10,12,.80) 46%, rgba(10,10,12,.55) 100%),
    linear-gradient(180deg, rgba(10,10,12,.55), rgba(10,10,12,.92));
}
.hero .wrap { position: relative; z-index: 1; }
@media (prefers-reduced-motion: reduce) { .hero-video iframe { display: none; } }
@media (max-width: 760px) { .hero-video iframe { display: none; } }


/* ------------------------------ 公告列 ------------------------------ */
.announce {
  background: linear-gradient(90deg, rgba(85,102,207,.22), rgba(85,102,207,.10) 60%, transparent);
  border-bottom: 1px solid var(--line);
  font-size: 13px; color: #d6dbff;
}
.announce .wrap { padding: 8px 0; }