/* ========== Theme tokens ========== */
:root{
  --bg:#FAF7F1;
  --ink:#1F2937;
  --muted:#6B7280;
  --card:#FFFFFF;
  --line:#E5E7EB;
  --accent:#F6E27A;
  --accent-press:#0B5E57;
  --accent-soft:#D6F4F1;
  --ring:rgba(246,226,122,.45);
  --shadow:0 6px 24px rgba(31,41,55,.08);
  --shadow-hover:0 12px 30px rgba(31,41,55,.14);
  --radius:18px;
}

/* ========== Base ========== */
html{ scroll-behavior:smooth }
[x-cloak]{ display:none !important }

/* 提醒：若 <body> 有 Tailwind 的 bg-* 類別，下面背景漸層會被蓋掉 */
body{
  background: radial-gradient(1200px 700px at 70% -10%, #FFF 0%, var(--bg) 55%, #F6F2EA 100%) fixed;
  color: var(--ink);
}
h1,h2,h3{ letter-spacing:.2px; color:var(--ink) }

header.sticky{
  background: rgba(250,247,241,.82);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}

/* ========== Components ========== */
/* 卡片：覆蓋 .bg-white（注意全域影響） */
.bg-white{
  background: var(--card) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* 書封 hover 放大 */
.aspect-\[3\/4\] img{
  transition: transform .28s ease, filter .28s ease;
  transform-origin: center center;
  will-change: transform;
}
.aspect-\[3\/4\]:hover img{ transform: scale(1.04); filter: saturate(1.02) contrast(1.02) }

/* chip */
.chip{
  display:inline-flex; align-items:center; gap:.35rem;
  padding:.25rem .6rem; border-radius:9999px;
  font-size:.75rem; font-weight:600;
  background:rgba(191,164,101,.15);
  color:#2E2E2E;
  border:1px solid rgba(191,164,101,.35);
  box-shadow:inset 0 1px 2px rgba(255,255,255,.05);
  transition:all .25s ease;
}
.chip:hover{
  background:rgba(191,164,101,.25);
  border-color:#E1C97B;
  color:#FFF4D0;
  box-shadow:0 0 6px 1px rgba(224,190,90,.25);
}

/* Buttons */
.btn{
  border-radius:12px; padding:.6rem 1.2rem;
  font-weight:700; letter-spacing:.3px;
  transition:all .3s ease;
}
.btn-primary{
  background:#2E2E2E; color:#E8D6A6; border:1.5px solid #BFA465;
  box-shadow:0 4px 12px rgba(0,0,0,.4);
}
.btn-primary:hover{
  background:#3A3A3A; color:#FFF4D0; border-color:#E1C97B;
  transform:translateY(-1px);
  box-shadow:0 6px 18px rgba(224,190,90,.25);
}
.btn-primary:active{ transform:translateY(0) }

.btn-primary-s{
  background:#2E2E2E; color:#E8D6A6; border:1.5px solid #BFA465;
  box-shadow:0 4px 12px rgba(0,0,0,.4);
}
.btn-primary-s:hover{
  background:#3A3A3A; color:#FFF4D0; border-color:#E1C97B;
  transform:translateY(-1px);
  box-shadow:0 6px 18px rgba(224,190,90,.25);
}
.btn-primary-s:active{ transform:translateY(0) }

.btn-outline{
  background:#1F1F1F; color:#F5EBD0; border:1.5px solid #BFA465;
}
.btn-outline:hover{
  background:#2B2B2B; color:#FFF8E5;
  box-shadow:0 0 12px 2px rgba(191,164,101,.4);
}

/* Inputs */
select, input[type="search"], input[type="text"], input[type="email"], input[type="tel"]{
  border:1px solid var(--line) !important; border-radius:12px !important;
  transition:border-color .2s ease, box-shadow .2s ease;
}
select:focus, input:focus{
  outline:none !important; border-color:var(--accent) !important;
  box-shadow:0 0 0 6px var(--ring) !important;
}

/* 卡片 hover 陰影（去重） */
.hover\:shadow:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover) !important;
}

/* Footer & selection */
footer{ background:#fff !important; border-top:1px solid var(--line) !important }
::selection{ background:#BFEDEA; color:#0B1B1A }

/* ========== FAB（回頂端鈕） ========== */
.fab-top{
  position:fixed;
  right:16px;
  bottom:calc(16px + env(safe-area-inset-bottom,0px) + 72px);
  width:48px; height:48px; border-radius:18px;
  display:grid; place-items:center;
  background:#2E2E2E; color:#E8D6A6;
  border:1.5px solid #BFA465;
  box-shadow:0 4px 12px rgba(0,0,0,.4);
  font-size:20px; line-height:1; z-index:50;
  opacity:0; pointer-events:none; transform:translateY(8px);
  transition:opacity .25s ease, transform .25s ease;
}
.fab-top.show{ opacity:1; pointer-events:auto; transform:translateY(0) }
.fab-top:active{ transform:scale(.96) }

/* ========== Responsive ========== */
@media (max-width:768px){
  .btn-primary-s{
    padding:.1rem 2rem; font-size:.9rem; width:auto; height:50px; border-radius:10px;
    display:flex; align-items:center; justify-content:center; text-align:center;
  }
}
@media (min-width:769px){
  #notesModal .bg-white{ border-radius:0 !important }
  #notesModal .rounded-lg{ border-radius:0 !important }
}
@media (max-width:768px){
  .md\:hidden.bg-white{ border-radius:0 !important; box-shadow:none !important }
  nav.md\:hidden.bg-white{
    display:flex !important; flex-direction:row !important;
    align-items:center; justify-content:flex-start; gap:2rem;
  }
  nav.md\:hidden.bg-white a{ white-space:nowrap }
}

/* 規則區塊去弧角（可選） */
#rules.bg-white{ border-radius:0 !important; box-shadow:none !important }


/* 讓套了 bg-white 的 <section> 回到 block，不要是 flex */
section.bg-white {
  display: block !important;
  flex-direction: initial !important;
  height: auto !important;
  padding-inline: 0 !important; /* 避免 section 自己左右有 padding */
}

/* 全站統一容器：跟「書單」用同一個殼 */
.site-container{
  max-width: 72rem;        /* = Tailwind max-w-6xl */
  margin-inline: auto;     /* mx-auto */
  padding-inline: 1rem;    /* px-4 */
}

/* 確保標題與文字不被奇怪外距影響對齊（可保留） */
#rules h2, #books h2 { margin-left: 0; }
#rules p,  #books p  { margin-left: 0; }

/* 偵錯輔助：暫時開啟外框對齊（確認後可刪） */
/* .site-container { outline: 1px dashed red; } */

