/* 戰鬥陀螺・隨機組裝產生器 — 深鋼藍 × 金 戰鬥風（零依賴） */
:root {
  --bg: #0c121d;
  --bg2: #131c2b;
  --panel: #182336;
  --panel2: #1f2c42;
  --line: #2c3a54;
  --gold: #e7c56b;
  --gold-dim: #b9974a;
  --txt: #e8eef7;
  --txt-dim: #9fb0c8;
  --accent: #4aa3ff;
  --good: #58c98a;
  --bad: #e0607a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  color: var(--txt);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(74, 163, 255, 0.12), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(231, 197, 107, 0.08), transparent 60%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.5;
}

/* ===== Top bar ===== */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; flex-wrap: wrap; gap: 16px 24px;
  align-items: center; justify-content: space-between;
  padding: 14px 22px;
  background: linear-gradient(180deg, rgba(19, 28, 43, 0.96), rgba(12, 18, 29, 0.92));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { font-size: 34px; filter: drop-shadow(0 0 8px rgba(74, 163, 255, 0.6)); animation: spin 6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.brand h1 {
  margin: 0; font-size: 20px; letter-spacing: 1px;
  font-family: Georgia, "Noto Serif TC", serif;
  color: var(--gold); text-shadow: 0 1px 0 rgba(0, 0, 0, 0.5);
}
.brand-sub { margin: 2px 0 0; font-size: 12.5px; color: var(--txt-dim); }

.gen-bar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.count-pick { display: inline-flex; background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.count-btn {
  border: 0; background: transparent; color: var(--txt-dim);
  padding: 7px 16px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 600;
  transition: all 0.15s;
}
.count-btn.active { background: linear-gradient(180deg, var(--gold), var(--gold-dim)); color: #1a1206; box-shadow: 0 2px 8px rgba(231, 197, 107, 0.35); }
.nodup-group { display: inline-flex; flex-wrap: wrap; gap: 4px 14px; }
.nodup { font-size: 13px; color: var(--txt-dim); display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.nodup input { accent-color: var(--gold); width: 16px; height: 16px; }

.settings-btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--txt);
  padding: 11px 22px; border-radius: 999px; font-size: 15px; font-weight: 700; cursor: pointer;
  transition: border-color 0.12s, background 0.12s, color 0.12s;
}
.settings-btn:hover { border-color: var(--gold); color: var(--gold); }

/* ===== 設定 Modal（沿用 .modal-overlay/.modal 基底） ===== */
.modal.settings-modal { width: min(260px, 100%); }
.settings-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 18px; }
.settings-section .count-pick { display: flex; }
.settings-section .count-btn { flex: 1; padding: 7px 10px; text-align: center; }
.settings-section { display: flex; flex-direction: column; gap: 10px; }
.settings-label { margin: 0; font-size: 14px; font-weight: 700; color: var(--gold); }
.settings-section .nodup-group { flex-direction: column; gap: 12px; }
.settings-section .nodup { font-size: 14px; }

.gen-btn {
  border: 0; cursor: pointer;
  padding: 12px 26px; border-radius: 999px; font-size: 16px; font-weight: 800; letter-spacing: 1px;
  color: #10171f; background: linear-gradient(180deg, #ffe49a, var(--gold));
  box-shadow: 0 6px 18px rgba(231, 197, 107, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: transform 0.12s, box-shadow 0.12s, filter 0.12s;
}
.gen-btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.gen-btn:active { transform: translateY(1px); }
.gen-btn:disabled { filter: grayscale(0.6) brightness(0.8); cursor: progress; }

/* ===== Results / reels ===== */
.results { padding: 22px; min-height: 120px; }
.empty-hint { color: var(--txt-dim); text-align: center; padding: 40px 10px; font-size: 15px; }
.reel-row { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; }

.top-card {
  width: 230px; background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; position: relative;
}
.top-card .top-no {
  position: absolute; top: 8px; left: 10px; font-size: 12px; font-weight: 700;
  color: var(--gold); background: rgba(0, 0, 0, 0.35); padding: 2px 9px; border-radius: 999px;
}
/* 預設（平板／電腦）：三格直式堆疊；手機改為橫式（見 @media） */
.reels { display: flex; flex-direction: column; gap: 2px; padding: 30px 14px 12px; }
.reel {
  height: 116px; overflow: hidden; position: relative;
  background: radial-gradient(120% 80% at 50% 0%, rgba(74, 163, 255, 0.08), transparent), #0a0f18;
  border: 1px solid var(--line); border-radius: 10px;
}
.reel::before, .reel::after {
  content: ""; position: absolute; left: 0; right: 0; height: 26px; z-index: 2; pointer-events: none;
}
.reel::before { top: 0; background: linear-gradient(180deg, rgba(10, 15, 24, 0.95), transparent); }
.reel::after { bottom: 0; background: linear-gradient(0deg, rgba(10, 15, 24, 0.95), transparent); }
.reel-strip { display: flex; flex-direction: column; will-change: transform; }
.frame { height: 116px; flex: 0 0 116px; display: flex; align-items: center; justify-content: center; }
.frame img { max-width: 92%; max-height: 92%; object-fit: contain; }
/* 結果區的軸心(bit)圖縮小，與固鎖視覺比例一致（要求：軸心太大） */
.reel[data-part="bit"] .frame img { max-width: 60%; max-height: 60%; }
.reel.pop { animation: pop 0.4s ease; }
.reel.pop::after { animation: flash 0.4s ease; }
@keyframes pop { 0% { transform: scale(1); } 35% { transform: scale(1.07); box-shadow: 0 0 0 2px var(--gold), 0 0 22px rgba(231,197,107,0.55); } 100% { transform: scale(1); } }
@keyframes flash { 0%, 100% { background: linear-gradient(0deg, rgba(10,15,24,0.95), transparent); } 40% { background: rgba(231, 197, 107, 0.25); } }

/* CX 子部件堆疊：採 champion 的絕對定位排版，層次清楚（結果格 / 預覽 / 縮圖共用） */
.cx-stack { position: relative; width: 100%; height: 100%; }
.cx-sub { position: absolute; left: 50%; transform: translateX(-50%); object-fit: contain; }
.cx-chip   { top: 4%;  width: 48%; height: 34%; z-index: 5; }
.cx-over   { top: 13%; width: 84%; height: 44%; z-index: 4; }
.cx-metal  { top: 24%; width: 90%; height: 48%; z-index: 3; }
.cx-main   { top: 15%; width: 92%; height: 52%; z-index: 3; }
.cx-assist { top: 34%; width: 78%; height: 46%; z-index: 1; }
/* 結果格 / 縮圖的 CX 放大更清楚 */
.reel .cx-stack { transform: scale(1.3); }
.pc-img .cx-stack { transform: scale(1.08); }

.top-meta { padding: 6px 14px 14px; text-align: center; }
.part-line { font-size: 12px; color: var(--txt-dim); display: flex; justify-content: space-between; gap: 6px; padding: 2px 2px; }
.part-line b { color: var(--txt); font-weight: 600; }
.top-name { margin: 8px 0 10px; font-weight: 800; font-size: 15px; color: var(--gold); font-family: Georgia, "Noto Serif TC", serif; min-height: 20px; }
.fused-note { font-size: 11px; color: var(--accent); margin-bottom: 8px; }
.reroll-one {
  width: 100%; border: 1px solid var(--line); background: var(--panel2); color: var(--txt);
  padding: 8px; border-radius: 9px; cursor: pointer; font-size: 13px; font-weight: 600; transition: 0.12s;
}
.reroll-one:hover { border-color: var(--gold); color: var(--gold); }

/* ===== Inventory ===== */
.inventory { padding: 6px 22px 30px; border-top: 1px solid var(--line); margin-top: 8px; }
.inv-tabs { display: flex; gap: 6px; margin: 18px 0 14px; }
.inv-tab {
  border: 1px solid var(--line); background: var(--panel); color: var(--txt-dim);
  padding: 10px 20px; border-radius: 10px 10px 0 0; cursor: pointer; font-size: 15px; font-weight: 700;
  display: inline-flex; align-items: center; gap: 8px;
}
.inv-tab.active { background: var(--panel2); color: var(--gold); border-bottom-color: transparent; }
.inv-tab .cnt { font-size: 12px; background: rgba(231, 197, 107, 0.18); color: var(--gold); padding: 1px 8px; border-radius: 999px; }

.sys-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; min-height: 0; }
.sys-tabs:empty { display: none; }
.sys-tab {
  border: 1px solid var(--line); background: transparent; color: var(--txt-dim);
  padding: 5px 14px; border-radius: 999px; cursor: pointer; font-size: 13px; font-weight: 600;
}
.sys-tab.active { background: var(--accent); color: #04101c; border-color: var(--accent); }

.inv-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.inv-search {
  flex: 1 1 240px; max-width: 360px; padding: 9px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--panel); color: var(--txt); font-size: 14px;
}
.inv-search::placeholder { color: #6b7c97; }
.bulk { display: flex; gap: 8px; }
.bulk-btn, .cx-add-btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--txt-dim);
  padding: 8px 14px; border-radius: 9px; cursor: pointer; font-size: 13px; font-weight: 600; transition: 0.12s;
}
.bulk-btn:hover { border-color: var(--gold); color: var(--gold); }
.cx-add-btn { border-color: var(--accent); color: var(--accent); }
.cx-add-btn:hover { background: var(--accent); color: #04101c; }

.part-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 12px; }
.part-cell {
  position: relative; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  background: var(--panel); cursor: pointer; transition: 0.12s; text-align: center;
}
.part-cell:hover { border-color: var(--gold-dim); transform: translateY(-2px); }
.part-cell.owned { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold) inset, 0 6px 16px rgba(231, 197, 107, 0.18); }
.part-cell .pc-img { height: 96px; display: grid; place-items: center; padding: 8px; background: radial-gradient(120% 80% at 50% 0%, rgba(74,163,255,0.06), transparent), #0a0f18; }
.part-cell .pc-img img { max-width: 90%; max-height: 90%; object-fit: contain; }
/* 軸心(bit)選取圖：縮 50% 後再放大 30%（45% × 1.3 ≈ 58.5%） */
.part-cell[data-kind="bit"] .pc-img img { max-width: 58.5%; max-height: 58.5%; }
.part-cell .pc-img .cx-stack { width: 100%; height: 100%; }
.part-cell .pc-name { font-size: 12px; padding: 7px 6px 9px; color: var(--txt); line-height: 1.3; word-break: break-word; }
.part-cell .pc-name .pc-sub { font-size: 10.5px; color: var(--txt-dim); margin-top: 1px; font-weight: 400; }
.part-cell .pc-check {
  position: absolute; top: 6px; right: 6px; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(0, 0, 0, 0.5); border: 1px solid var(--line); display: grid; place-items: center;
  font-size: 13px; color: transparent; transition: 0.12s;
}
.part-cell.owned .pc-check { background: var(--gold); color: #15100a; border-color: var(--gold); }
.part-cell .pc-tag { position: absolute; top: 6px; left: 6px; font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 6px; background: rgba(0,0,0,0.45); color: var(--txt-dim); }
.part-cell.is-cx .pc-tag { color: var(--accent); }
.part-cell .pc-del {
  position: absolute; bottom: 6px; right: 6px; width: 22px; height: 22px; border-radius: 6px;
  background: rgba(224, 96, 122, 0.18); border: 1px solid var(--bad); color: var(--bad);
  font-size: 12px; display: grid; place-items: center; cursor: pointer;
}
.empty-grid { grid-column: 1 / -1; text-align: center; color: var(--txt-dim); padding: 36px; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 50; background: rgba(4, 8, 14, 0.72);
  display: grid; place-items: center; padding: 18px; backdrop-filter: blur(4px);
}
.modal-overlay.hidden { display: none; }
.modal {
  width: min(820px, 100%); max-height: 90vh; overflow: auto;
  background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg2); z-index: 2; }
.modal-head h2 { margin: 0; font-size: 18px; color: var(--gold); }
.modal-close { border: 0; background: transparent; color: var(--txt-dim); font-size: 20px; cursor: pointer; }
.modal-close:hover { color: var(--bad); }

.cx-modebar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 14px 20px 4px; font-size: 14px; color: var(--txt-dim); }
.cx-mode-btn { border: 1px solid var(--line); background: var(--panel); color: var(--txt-dim); padding: 7px 14px; border-radius: 9px; cursor: pointer; font-size: 13px; font-weight: 600; }
.cx-mode-btn.active { background: var(--accent); color: #04101c; border-color: var(--accent); }

.cx-preview-wrap { display: flex; align-items: center; gap: 16px; padding: 12px 20px; }
.cx-preview-wrap .cx-stack { width: 130px; height: 130px; flex: 0 0 130px; background: radial-gradient(120% 80% at 50% 0%, rgba(74,163,255,0.08), transparent), #0a0f18; border: 1px solid var(--line); border-radius: 12px; }
.cx-preview-name { font-size: 15px; font-weight: 700; color: var(--gold); }

.cx-builder { padding: 4px 20px 8px; }
.cx-section { margin-bottom: 14px; }
.cx-section h4 { margin: 0 0 8px; font-size: 14px; color: var(--txt); display: flex; align-items: center; gap: 8px; }
.cx-section h4 small { color: var(--txt-dim); font-weight: 400; }
.cx-section h4 .cx-picked { margin-left: auto; font-size: 12px; color: var(--good); font-weight: 600; }
.cx-opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; }
.cx-opt { border: 1px solid var(--line); background: var(--panel); border-radius: 9px; padding: 6px 4px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 3px; transition: 0.12s; }
.cx-opt:hover { border-color: var(--gold-dim); }
.cx-opt.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.cx-opt img { width: 60px; height: 56px; object-fit: contain; }
.cx-opt span { font-size: 11px; color: var(--txt-dim); text-align: center; line-height: 1.2; }
.cx-opt.clear-opt { justify-content: center; color: var(--txt-dim); font-size: 13px; }

.modal-foot { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 14px 20px 18px; border-top: 1px solid var(--line); position: sticky; bottom: 0; background: var(--bg2); }
.cx-name-label { font-size: 14px; color: var(--txt-dim); display: flex; align-items: center; gap: 8px; flex: 1 1 260px; }
.cx-name-label input { flex: 1; padding: 8px 12px; border-radius: 9px; border: 1px solid var(--line); background: var(--panel); color: var(--txt); font-size: 14px; }
.cx-save-btn { border: 0; background: linear-gradient(180deg, #ffe49a, var(--gold)); color: #15100a; padding: 10px 22px; border-radius: 9px; cursor: pointer; font-weight: 800; font-size: 14px; }
.cx-save-btn:hover { filter: brightness(1.05); }

.site-footer { padding: 26px 22px; text-align: center; color: var(--txt-dim); font-size: 12.5px; border-top: 1px solid var(--line); }
.site-footer .foot-disclaimer { max-width: 680px; margin: 0 auto 10px; line-height: 1.7; }
.site-footer strong { color: var(--txt); font-weight: 700; }
.site-footer .foot-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; }
.site-footer .foot-sep { color: var(--line); }
.site-footer .foot-link { color: var(--gold); text-decoration: none; font-weight: 600; }
.site-footer .foot-link:hover { color: var(--accent); text-decoration: underline; }
.site-footer code { background: var(--panel); padding: 1px 6px; border-radius: 5px; color: var(--gold-dim); }
.foot-changelog-btn {
  background: transparent; border: 1px solid var(--line); border-radius: 999px;
  color: var(--gold); padding: 4px 14px; font-size: 12.5px; font-weight: 600;
  cursor: pointer; transition: border-color .12s, background .12s, color .12s;
}
.foot-changelog-btn:hover { border-color: var(--gold); background: rgba(231, 197, 107, .08); color: var(--accent); }

/* ===== 版本更新紀錄 Modal（沿用 .modal-overlay/.modal 基底） ===== */
.changelog-modal { width: min(520px, 100%); }
.changelog-body { padding: 16px 20px 20px; overflow-y: auto; }
.changelog-list { list-style: none; margin: 0; padding: 0; }
.changelog-item {
  position: relative; padding: 0 0 16px 16px;
  border-left: 2px solid var(--line);
}
.changelog-item:last-child { padding-bottom: 0; }
.changelog-item::before {
  content: ""; position: absolute; left: -6px; top: 4px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 3px rgba(74, 163, 255, .18);
}
.changelog-date {
  display: block; font-size: 13px; font-weight: 800;
  color: var(--gold); letter-spacing: .5px; margin-bottom: 6px;
}
.changelog-points { margin: 0; padding-left: 18px; color: var(--txt); font-size: 14px; line-height: 1.65; }
.changelog-points li { margin: 2px 0; }

.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(20px);
  background: var(--panel2); color: var(--txt); border: 1px solid var(--line); border-left: 3px solid var(--gold);
  padding: 12px 20px; border-radius: 10px; box-shadow: var(--shadow); z-index: 80; font-size: 14px;
  opacity: 0; transition: opacity 0.2s, transform 0.2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.bad { border-left-color: var(--bad); }

@media (max-width: 560px) {
  .topbar { flex-direction: column; align-items: stretch; }
  .gen-bar { justify-content: space-between; }
  .gen-btn { flex: 1; }

  /* 結果卡（手機）：拉霸改橫式、三顆陀螺更靠近、名稱貼齊陀螺下方、重抽移到最右只顯示「重抽」 */
  .top-card { width: 320px; max-width: calc(100vw - 44px); }
  .reels { flex-direction: row; gap: 4px; padding: 30px 6px 4px; }
  .reel { flex: 1 1 0; min-width: 0; }
  .top-meta {
    display: flex; align-items: center; justify-content: space-between;
    gap: 8px; padding: 4px 10px 10px; text-align: left;
  }
  .top-name { margin: 0; flex: 1 1 auto; min-width: 0; }
  .reroll-one { width: auto; flex: 0 0 auto; padding: 6px 12px; }
  .reroll-one .rr-icon, .reroll-one .rr-long { display: none; }
  .reroll-one::after { content: "重抽"; }
}

/* ===== 合作洽詢 / 聯絡我們 Modal（兩站共用，固定色值以保持一致） ===== */
.foot-dev-link {
  background: none; border: none; padding: 0; font: inherit; font-weight: 800;
  color: #4aa3ff; cursor: pointer; text-decoration: underline; text-underline-offset: 2px;
}
.foot-dev-link:hover { color: #69b4ff; }
.contact-overlay {
  position: fixed; inset: 0; z-index: 1100;
  display: flex; align-items: center; justify-content: center;
  padding: max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom));
  background: rgba(0,0,0,.72); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.contact-overlay.hidden { display: none; }
.contact-modal {
  width: min(460px, 100%); max-height: 90vh; overflow: auto;
  background: #161f30; border: 1px solid #2c3a54; border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0,0,0,.6); color: #e8eef7;
}
.contact-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid #2c3a54;
}
.contact-head h3 { margin: 0; font-size: 17px; font-weight: 800; color: #4aa3ff; }
.contact-close { background: transparent; border: none; color: #9fb0c8; font-size: 20px; line-height: 1; cursor: pointer; padding: 2px 6px; }
.contact-close:hover { color: #fff; }
.contact-body { display: flex; flex-direction: column; gap: 12px; padding: 18px 20px 20px; }
.contact-intro { margin: 0 0 4px; font-size: 13px; color: #9fb0c8; line-height: 1.5; }
.contact-body label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 700; color: #cdd8ea; }
.contact-body .req { color: #e0607a; }
.contact-input {
  width: 100%; background: #0e1626; border: 1px solid #2c3a54; border-radius: 10px;
  color: #e8eef7; font-size: 14px; padding: 10px 12px; font-family: inherit;
}
.contact-input:focus { outline: none; border-color: #4aa3ff; box-shadow: 0 0 0 3px rgba(74,163,255,.2); }
textarea.contact-input { resize: vertical; min-height: 90px; }
.contact-status { font-size: 13px; min-height: 18px; line-height: 1.4; }
.contact-status.ok { color: #58c98a; }
.contact-status.err { color: #e0607a; }
.contact-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.contact-btn-cancel, .contact-btn-send {
  border-radius: 10px; padding: 10px 18px; font-size: 14px; font-weight: 800; cursor: pointer; border: 1px solid #2c3a54;
}
.contact-btn-cancel { background: transparent; color: #9fb0c8; }
.contact-btn-cancel:hover { color: #fff; border-color: #4a5a76; }
.contact-btn-send { background: #4aa3ff; border-color: #4aa3ff; color: #06203f; }
.contact-btn-send:hover { background: #69b4ff; }
.contact-btn-send:disabled { opacity: .6; cursor: default; }