/* ═══════════════════════════════════════════════════════
   LUCKY 539 — Professional Dark Theme
   ═══════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #060814;
  --bg2:        #0c1028;
  --card:       rgba(255,255,255,0.035);
  --card-hover: rgba(255,255,255,0.06);
  --border:     rgba(255,255,255,0.08);
  --purple:     #7c3aed;
  --purple2:    #9f67ff;
  --blue:       #2563eb;
  --cyan:       #06b6d4;
  --gold:       #f59e0b;
  --gold2:      #fbbf24;
  --red:        #ef4444;
  --green:      #22c55e;
  --text:       #e2e8f0;
  --sub:        #94a3b8;
  --muted:      #475569;
  --radius:     16px;
  --shadow:     0 8px 32px rgba(0,0,0,0.4);
  --glow-p:     0 0 30px rgba(124,58,237,0.3);
  --glow-g:     0 0 30px rgba(245,158,11,0.4);
}

html { font-size: 16px; }

body {
  font-family: 'Noto Sans TC', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Background layer ──────────────────────────────────── */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  opacity: .4;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .12;
  animation: orbFloat 18s ease-in-out infinite alternate;
}
.orb1 { width:600px;height:600px;top:-200px;left:-100px; background:var(--purple); animation-delay:0s; }
.orb2 { width:500px;height:500px;bottom:-150px;right:-100px; background:var(--blue); animation-delay:-6s; }
.orb3 { width:400px;height:400px;top:40%;left:40%; background:var(--cyan); animation-delay:-12s; }

@keyframes orbFloat {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(40px,-40px) scale(1.1); }
  100% { transform: translate(-30px,30px) scale(0.95); }
}

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 64px;
  background: rgba(6,8,20,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  flex-shrink: 0;
}
.brand-icon { font-size: 24px; }
.brand-text {
  font-family: 'Orbitron', monospace;
  font-size: 17px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold2), var(--purple2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-sub { font-size: 12px; opacity: .7; }

/* 桌面版頁籤 */
.nav-center {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}

.nav-tab {
  background: none;
  border: 1px solid transparent;
  color: var(--sub);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}
.nav-tab:hover  { background: var(--card); color: var(--text); }
.nav-tab.active {
  background: linear-gradient(135deg, rgba(124,58,237,.25), rgba(37,99,235,.25));
  color: var(--purple2);
  border-color: rgba(124,58,237,.3);
}

/* 彩券切換器 */
.lottery-switcher {
  display: flex;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}
.lottery-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--sub);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}
.lottery-btn:hover { color: var(--text); background: rgba(255,255,255,.06); }
.lottery-btn.active {
  background: linear-gradient(135deg, rgba(124,58,237,.35), rgba(37,99,235,.35));
  color: var(--purple2);
  border-color: rgba(124,58,237,.4);
}

.nav-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}
.desktop-only { }

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.update-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--sub);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
}

/* 手機版彩券切換列 (桌面隱藏) */
.mobile-sub-nav {
  display: none;
}

/* 手機版底部頁籤 (桌面隱藏) */
.bottom-nav {
  display: none;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}
.badge-dot.loading { background: var(--gold); box-shadow: 0 0 8px var(--gold); }

@keyframes pulse { 0%,100%{opacity:1}50%{opacity:.4} }

.refresh-btn {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--sub);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}
.refresh-btn:hover { background: var(--card-hover); color: var(--text); transform: rotate(90deg); }
.refresh-btn.spinning svg { animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Sections ──────────────────────────────────────────── */
.section { display: none; padding: 28px max(28px, calc((100vw - 1400px)/2)); position: relative; z-index: 1; }
.section.active { display: block; }

/* ── Cards ─────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(12px);
  margin-bottom: 20px;
  transition: border-color .2s;
}
.card:hover { border-color: rgba(255,255,255,0.14); }
.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
  letter-spacing: .3px;
}
.card-label  { font-size: 12px; color: var(--sub); text-transform: uppercase; letter-spacing: 1px; }
.card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; }
.card-sub    { font-size: 12px; color: var(--sub); margin-top: 2px; }

/* ── Hero row ──────────────────────────────────────────── */
.hero-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
@media (max-width: 820px) { .hero-row { grid-template-columns: 1fr; } }

.hero-card { background: var(--card); border: 1px solid var(--border); position: relative; overflow: hidden; }
.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124,58,237,.06) 0%, transparent 60%);
  pointer-events: none;
}
.latest-card::before { background: linear-gradient(135deg, rgba(245,158,11,.07) 0%, transparent 60%); }

.live-dot {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--green);
  background: rgba(34,197,94,.12);
  border: 1px solid rgba(34,197,94,.25);
  border-radius: 20px;
  padding: 4px 10px;
  letter-spacing: .5px;
}
.live-dot span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse 1.5s infinite;
}

/* ── Lottery balls ─────────────────────────────────────── */
.balls-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 8px 0;
}

.ball {
  width: 62px; height: 62px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  font-family: 'Orbitron', monospace;
  cursor: default;
  transition: transform .2s;
  animation: ballDrop .5s cubic-bezier(.34,1.56,.64,1) both;
}
.ball:hover { transform: scale(1.12); }

.ball.latest {
  background: radial-gradient(circle at 38% 32%, #fde68a, #d97706 80%);
  color: #1a0800;
  box-shadow: 0 4px 20px rgba(245,158,11,.45), inset 0 2px 6px rgba(255,255,255,.35);
}
.ball.pred {
  background: radial-gradient(circle at 38% 32%, #c4b5fd, #6d28d9 80%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(109,40,217,.45), inset 0 2px 6px rgba(255,255,255,.2);
}
.ball.hot-ball {
  background: radial-gradient(circle at 38% 32%, #fca5a5, #dc2626 80%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(220,38,38,.4);
}
.ball.cold-ball {
  background: radial-gradient(circle at 38% 32%, #93c5fd, #1d4ed8 80%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(29,78,216,.4);
}

/* 特別號:大樂透 / 六合彩 — 紅色球體,主號之後顯示 */
.ball.special {
  background: radial-gradient(circle at 38% 32%, #fecaca, #b91c1c 80%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(185,28,28,.5), inset 0 2px 6px rgba(255,255,255,.25);
}
.ball-separator,
.mini-ball-sep {
  display: inline-flex;
  align-items: center;
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  color: var(--muted);
  margin: 0 4px;
  align-self: center;
  user-select: none;
}
.ball-separator { font-size: 28px; }
.mini-ball-sep  { font-size: 16px; }

.mini-ball.special {
  background: radial-gradient(circle at 38% 32%, #fecaca, #b91c1c 80%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(185,28,28,.4);
}

/* ── 特別號分析卡片 ────────────────────────────────────── */
.special-analysis-card {
  border-left: 3px solid #b91c1c;
  background: linear-gradient(135deg, rgba(185,28,28,0.04), rgba(185,28,28,0) 60%), var(--card-bg, rgba(255,255,255,0.02));
}
.special-analysis-card .card-title {
  display: flex;
  align-items: center;
  gap: 10px;
}
.special-title-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #fecaca, #b91c1c 80%);
  box-shadow: 0 0 12px rgba(185,28,28,0.6);
  flex-shrink: 0;
}
.special-analysis-card .card-title .card-sub {
  margin-left: auto;
  font-weight: 400;
  color: var(--muted);
  font-size: 13px;
}

.special-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 20px;
  margin-top: 4px;
}
.special-chart-wrap {
  position: relative;
  height: 280px;
  min-width: 0;
}
.special-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.special-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.special-row-label {
  font-size: 13px;
  color: var(--sub);
  font-weight: 600;
  letter-spacing: .3px;
}
.special-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.special-pills .num-pill {
  background: linear-gradient(135deg, rgba(185,28,28,0.18), rgba(185,28,28,0.08));
  border: 1px solid rgba(185,28,28,0.35);
  color: #fecaca;
  min-width: 36px;
  text-align: center;
  padding: 6px 10px;
  border-radius: 20px;
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  font-size: 14px;
  transition: transform .15s, box-shadow .15s;
}
.special-pills .num-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(185,28,28,0.3);
}
.special-pills .num-pill.cold {
  background: linear-gradient(135deg, rgba(29,78,216,0.18), rgba(29,78,216,0.08));
  border-color: rgba(29,78,216,0.35);
  color: #bfdbfe;
}
.special-pills .num-pill.cold:hover {
  box-shadow: 0 4px 12px rgba(29,78,216,0.3);
}
.special-pills .num-pill.gap-warn {
  background: linear-gradient(135deg, rgba(245,158,11,0.18), rgba(245,158,11,0.08));
  border-color: rgba(245,158,11,0.4);
  color: #fcd34d;
}
.special-pills .num-pill .pill-sub {
  font-size: 11px;
  color: var(--muted);
  margin-left: 6px;
  font-family: 'Noto Sans TC', sans-serif;
  font-weight: 400;
}

@media (max-width: 768px) {
  .special-grid { grid-template-columns: 1fr; }
  .special-chart-wrap { height: 220px; }
}

/* ── 預測特別號詳細卡 ──────────────────────────────────── */
.special-detail-card {
  border-left: 3px solid #b91c1c;
}
.special-detail-body {
  display: flex;
  gap: 24px;
  align-items: center;
  padding: 8px 4px;
  flex-wrap: wrap;
}
.special-detail-ball {
  flex-shrink: 0;
}
.special-detail-info {
  flex: 1;
  min-width: 240px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px 24px;
}
.special-detail-info .detail-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--sub);
  padding: 6px 12px;
  background: rgba(255,255,255,0.03);
  border-radius: 6px;
}
.special-detail-info .detail-row span {
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  color: #fecaca;
}

/* ── 特別號統計表 (分析頁) ────────────────────────────── */
.special-stats-card {
  border-left: 3px solid #b91c1c;
}
.special-stats-card .stats-table tbody tr:hover {
  background: rgba(185,28,28,0.06);
}

/* ── 五不出牌 (反向預測) ──────────────────────────────── */
.not-out-card {
  border-left: 3px solid #2563eb;
  background: linear-gradient(135deg, rgba(37,99,235,0.04), rgba(37,99,235,0) 60%);
}
.not-out-card .card-title {
  display: flex;
  align-items: center;
  gap: 10px;
}
.not-out-card .card-title .card-sub {
  margin-left: auto;
  font-weight: 400;
  font-size: 13px;
  color: var(--muted);
}
.not-out-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #93c5fd, #1d4ed8 80%);
  box-shadow: 0 0 12px rgba(37,99,235,0.6);
  flex-shrink: 0;
}
.not-out-balls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  padding: 18px 4px 22px;
  justify-content: center;
}
.ball.not-out {
  background: radial-gradient(circle at 38% 32%, #bfdbfe, #1d4ed8 80%);
  color: #fff;
  box-shadow: 0 4px 18px rgba(29,78,216,.45), inset 0 2px 6px rgba(255,255,255,.25);
}
.ball.not-out.special {
  background: radial-gradient(circle at 38% 32%, #fecaca, #b91c1c 80%);
  box-shadow: 0 4px 20px rgba(185,28,28,.5), inset 0 2px 6px rgba(255,255,255,.25);
}
.not-out-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 4px;
}
.not-out-detail-grid .detail-card {
  border-left: 2px solid rgba(37,99,235,.4);
  background: rgba(37,99,235,0.04);
}
.not-out-detail-grid .detail-card.special-out {
  border-left-color: rgba(185,28,28,.5);
  background: rgba(185,28,28,0.05);
}
.not-out-detail-grid .detail-num {
  color: #93c5fd;
}
.not-out-detail-grid .detail-card.special-out .detail-num {
  color: #fecaca;
}
.not-out-detail-grid .detail-score {
  background: linear-gradient(90deg, rgba(37,99,235,.5), rgba(37,99,235,.2));
}
.not-out-detail-grid .detail-card.special-out .detail-score {
  background: linear-gradient(90deg, rgba(185,28,28,.5), rgba(185,28,28,.2));
}

@keyframes ballDrop {
  0%   { transform: translateY(-30px) scale(.5); opacity: 0; }
  60%  { transform: translateY(4px)  scale(1.08); }
  80%  { transform: translateY(-2px) scale(.97); }
  100% { transform: translateY(0)   scale(1);  opacity: 1; }
}

.ball-skeleton {
  width: 62px; height: 62px;
  border-radius: 50%;
  background: linear-gradient(90deg, rgba(255,255,255,.05) 0%, rgba(255,255,255,.1) 50%, rgba(255,255,255,.05) 100%);
  background-size: 200%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer { 0%{background-position:200%}100%{background-position:-200%} }

.draw-sum {
  font-size: 13px;
  color: var(--sub);
  margin-top: 6px;
}

.confidence-badge {
  font-family: 'Orbitron', monospace;
  font-size: 22px;
  font-weight: 900;
  color: var(--purple2);
  background: rgba(124,58,237,.15);
  border: 1px solid rgba(124,58,237,.3);
  border-radius: 12px;
  padding: 6px 14px;
}

.pred-footer {
  font-size: 11px;
  color: var(--muted);
  margin-top: 8px;
}

/* ── KPI grid ──────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 900px) { .kpi-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 480px) { .kpi-grid { grid-template-columns: 1fr; } }

.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: transform .2s, border-color .2s;
}
.kpi-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.15); }
.kpi-card.hot  { border-color: rgba(239,68,68,.25); }
.kpi-card.cold { border-color: rgba(37,99,235,.25); }
.kpi-icon  { font-size: 28px; margin-bottom: 8px; }
.kpi-value {
  font-family: 'Orbitron', monospace;
  font-size: 28px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--gold2), var(--purple2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 6px;
}
.kpi-label { font-size: 12px; color: var(--sub); }

/* ── Chart row ─────────────────────────────────────────── */
.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
@media (max-width: 820px) { .chart-row { grid-template-columns: 1fr; } }

.chart-row:has(.chart-card:nth-child(3)) {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 1100px) {
  .chart-row:has(.chart-card:nth-child(3)) { grid-template-columns: 1fr 1fr; }
}

.chart-wrap { position: relative; height: 280px; }
.chart-wrap.tall  { height: 420px; }
.chart-wrap.small { height: 220px; }

/* ── Heatmap ───────────────────────────────────────────── */
.heatmap {
  display: grid;
  grid-template-columns: repeat(13, 1fr);
  gap: 6px;
  padding: 4px 0;
}
.hm-cell {
  aspect-ratio: 1;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  cursor: default;
  transition: transform .15s;
  font-family: 'Orbitron', monospace;
}
.hm-cell:hover { transform: scale(1.15); z-index: 2; position: relative; }
.hm-empty { background: transparent !important; }

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--sub);
}
.legend-bar {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, #1e3a8a, #6d28d9, #ef4444);
}

/* ── Number pills ──────────────────────────────────────── */
.num-pills { display: flex; flex-wrap: wrap; gap: 10px; padding: 4px 0; }

.num-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px; height: 50px;
  border-radius: 50%;
  font-size: 18px;
  font-weight: 800;
  font-family: 'Orbitron', monospace;
  position: relative;
}
.num-pill.hot {
  background: radial-gradient(circle at 38% 32%, #fca5a5, #dc2626 80%);
  color: #fff;
  box-shadow: 0 3px 14px rgba(220,38,38,.4);
}
.num-pill.cold {
  background: radial-gradient(circle at 38% 32%, #93c5fd, #1d4ed8 80%);
  color: #fff;
  box-shadow: 0 3px 14px rgba(29,78,216,.4);
}
.num-pill .pill-rank {
  position: absolute;
  top: -4px; right: -4px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 9px;
  padding: 1px 4px;
  color: var(--sub);
  font-family: inherit;
}

/* ── Stats table ───────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

.stats-table, .history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.stats-table th, .history-table th {
  background: rgba(255,255,255,.04);
  color: var(--sub);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.stats-table td, .history-table td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255,255,255,.04);
  transition: background .15s;
}
.stats-table tr:hover td, .history-table tr:hover td { background: rgba(255,255,255,.025); }

.heat-bar-wrap { display: flex; align-items: center; gap: 8px; }
.heat-bar {
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, var(--blue), var(--purple), var(--red));
  transition: width .4s;
}

.badge-hot  { background:rgba(239,68,68,.15);  color:#ef4444; border:1px solid rgba(239,68,68,.3);  border-radius:6px; padding:2px 8px; font-size:11px; }
.badge-warm { background:rgba(245,158,11,.12); color:#f59e0b; border:1px solid rgba(245,158,11,.25); border-radius:6px; padding:2px 8px; font-size:11px; }
.badge-cold { background:rgba(37,99,235,.12);  color:#60a5fa; border:1px solid rgba(37,99,235,.25); border-radius:6px; padding:2px 8px; font-size:11px; }

/* ── History section ───────────────────────────────────── */
.history-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.toolbar-right { display: flex; align-items: center; gap: 12px; }

.search-input {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  padding: 8px 14px;
  width: 260px;
  outline: none;
  transition: border-color .2s, background .2s;
}
.search-input:focus { border-color: rgba(124,58,237,.5); background: rgba(255,255,255,.07); }
.search-input::placeholder { color: var(--muted); }

.total-badge {
  font-size: 12px;
  color: var(--sub);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  white-space: nowrap;
}

.history-balls { display: flex; gap: 5px; flex-wrap: wrap; }
.mini-ball {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  font-family: 'Orbitron', monospace;
  background: radial-gradient(circle at 38% 32%, #fde68a, #d97706 80%);
  color: #1a0800;
  box-shadow: 0 2px 8px rgba(245,158,11,.35);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding-top: 20px;
  flex-wrap: wrap;
}
.page-btn {
  min-width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--sub);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  padding: 0 8px;
  transition: all .15s;
}
.page-btn:hover   { background: var(--card-hover); color: var(--text); }
.page-btn.active  { background: linear-gradient(135deg, rgba(124,58,237,.3), rgba(37,99,235,.3)); color: var(--purple2); border-color: rgba(124,58,237,.4); font-weight: 700; }
.page-btn:disabled { opacity: .35; cursor: default; }

/* ── Prediction section ────────────────────────────────── */
.predict-hero {
  text-align: center;
  padding: 40px 20px 30px;
}
.ai-logo {
  display: inline-block;
  font-family: 'Orbitron', monospace;
  font-size: 36px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--purple2), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  border: 2px solid rgba(124,58,237,.3);
  border-radius: 16px;
  padding: 10px 22px;
  margin-bottom: 16px;
  position: relative;
}
.ai-logo::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(124,58,237,.15), rgba(6,182,212,.15));
  z-index: -1;
}
.predict-title {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #fff, var(--sub));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.predict-desc { font-size: 14px; color: var(--sub); max-width: 500px; margin: 0 auto; }

.predict-main-card { text-align: center; }
.predict-balls-lg {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 10px 0;
}
.predict-balls-lg .ball { width: 80px; height: 80px; font-size: 28px; }

.predict-conf-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.conf-label { font-size: 13px; color: var(--sub); white-space: nowrap; }
.conf-bar-wrap {
  flex: 1;
  height: 8px;
  background: rgba(255,255,255,.08);
  border-radius: 4px;
  overflow: hidden;
}
.conf-bar {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(to right, var(--blue), var(--purple), var(--purple2));
  transition: width 1s cubic-bezier(.4,0,.2,1);
  width: 0%;
}
.conf-val {
  font-family: 'Orbitron', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--purple2);
  min-width: 48px;
  text-align: right;
}

.predict-detail-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
@media (max-width: 900px) { .predict-detail-grid { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 560px) { .predict-detail-grid { grid-template-columns: repeat(2,1fr); } }

.detail-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 14px;
  text-align: center;
  backdrop-filter: blur(10px);
}
.detail-num {
  font-family: 'Orbitron', monospace;
  font-size: 32px;
  font-weight: 900;
  color: var(--purple2);
  margin-bottom: 10px;
}
.detail-row { font-size: 11px; color: var(--sub); margin: 4px 0; }
.detail-row span { color: var(--text); font-weight: 600; }
.detail-score {
  margin-top: 10px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--blue), var(--purple2));
}

.multi-pred { display: flex; flex-direction: column; gap: 12px; }
.multi-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: background .15s;
}
.multi-row:hover { background: rgba(255,255,255,.055); }
.multi-label { font-size: 12px; color: var(--sub); min-width: 60px; }
.multi-balls { display: flex; gap: 8px; flex-wrap: wrap; }
.multi-balls .ball { width: 44px; height: 44px; font-size: 16px; }

.btn-regen {
  display: block;
  margin: 16px auto 0;
  background: linear-gradient(135deg, rgba(124,58,237,.2), rgba(37,99,235,.2));
  border: 1px solid rgba(124,58,237,.4);
  border-radius: 12px;
  color: var(--purple2);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 28px;
  cursor: pointer;
  transition: all .2s;
}
.btn-regen:hover {
  background: linear-gradient(135deg, rgba(124,58,237,.35), rgba(37,99,235,.35));
  transform: translateY(-2px);
  box-shadow: var(--glow-p);
}

.disclaimer {
  border-color: rgba(245,158,11,.2);
  background: rgba(245,158,11,.04);
}
.disclaimer p { font-size: 13px; color: var(--sub); line-height: 1.7; margin-bottom: 6px; }
.disclaimer p:last-child { margin-bottom: 0; }

/* ── Loading overlay ───────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6,8,20,.9);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .4s;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }

.loading-box { text-align: center; }
.loading-spinner {
  width: 56px; height: 56px;
  border: 3px solid rgba(124,58,237,.2);
  border-top-color: var(--purple);
  border-right-color: var(--purple2);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 0 auto 20px;
}
.loading-text { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.loading-sub { font-size: 13px; color: var(--sub); }

/* ── Misc ──────────────────────────────────────────────── */
.error-state {
  text-align: center;
  padding: 40px;
  color: var(--sub);
  font-size: 14px;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.2); }

/* ── 拖曳排序 (SortableJS) ───────────────────────────── */
.drag-handle {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--muted);
  cursor: grab;
  border-radius: 6px;
  user-select: none;
  opacity: .35;
  transition: opacity .2s, background .2s, color .2s;
  z-index: 3;
}
.drag-handle:hover {
  opacity: 1;
  background: rgba(124,58,237,.12);
  color: var(--purple2);
}
.drag-handle:active { cursor: grabbing; }
.drag-handle::before {
  content: '⋮⋮';
  letter-spacing: -2px;
  font-weight: 900;
}

/* 讓 .card / row 能夠定位 drag handle */
.card, .hero-row, .kpi-grid, .chart-row {
  position: relative;
}

/* 拖曳中的視覺 */
.sortable-ghost {
  opacity: .25;
  background: rgba(124,58,237,.15) !important;
}
.sortable-chosen { cursor: grabbing; }
.sortable-drag {
  opacity: .9;
  transform: rotate(.5deg);
  box-shadow: 0 16px 48px rgba(0,0,0,.6), 0 0 0 2px var(--purple);
}

/* ── Period setting card ──────────────────────────────── */
.period-setting-card {
  border: 1px solid var(--border);
  border-left: 3px solid var(--purple);
}
.period-setting-header {
  margin-bottom: 16px;
}
.period-setting-hint {
  color: var(--sub);
  font-size: 13px;
  margin-top: 4px;
}
.period-setting-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Period mode sections (上下兩區塊互斥) ───────────── */
.period-mode-section {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
  background: rgba(255,255,255,0.02);
  transition: opacity .2s, border-color .2s, background .2s;
}
.period-mode-section:last-child { margin-bottom: 0; }

.period-mode-section.active {
  border-color: var(--purple);
  background: rgba(124,58,237,0.06);
  box-shadow: 0 0 0 1px rgba(124,58,237,0.18) inset;
}

.period-mode-section:not(.active) {
  opacity: .42;
  cursor: pointer;
}
.period-mode-section:not(.active):hover {
  opacity: .65;
  border-color: rgba(124,58,237,0.4);
}
.period-mode-section:not(.active) .period-mode-body {
  pointer-events: none;
  user-select: none;
}

.period-mode-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sub);
}
.period-mode-section.active .period-mode-title {
  color: var(--purple2);
}
.period-mode-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: transparent;
  flex-shrink: 0;
  transition: all .2s;
}
.period-mode-section.active .period-mode-dot {
  border-color: var(--purple);
  background: var(--purple);
  box-shadow: 0 0 8px rgba(124,58,237,0.5);
}

.period-mode-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.period-range-group { flex-wrap: wrap; }
.period-range-group .period-input { width: 140px; }
.period-input-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.period-label {
  color: var(--sub);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.period-input {
  width: 120px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  font-size: 16px;
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: border-color .2s;
}
.period-input:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
/* Hide number input spinner arrows */
.period-input::-webkit-outer-spin-button,
.period-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.period-input[type=number] { -moz-appearance: textfield; }

.period-apply-btn {
  padding: 8px 20px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s, transform .1s;
}
.period-apply-btn:hover {
  opacity: .9;
  transform: translateY(-1px);
}
.period-apply-btn:active {
  transform: translateY(0);
}

.period-slider-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.period-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.1);
  outline: none;
  cursor: pointer;
}
.period-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--purple2));
  box-shadow: 0 0 8px rgba(124,58,237,0.4);
  cursor: pointer;
  transition: transform .15s;
}
.period-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}
.period-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--purple2));
  box-shadow: 0 0 8px rgba(124,58,237,0.4);
  cursor: pointer;
}
.period-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  font-family: 'Orbitron', monospace;
}

.period-quick-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.period-quick-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--sub);
  font-size: 13px;
  cursor: pointer;
  transition: all .2s;
}
.period-quick-btn:hover {
  border-color: var(--purple);
  color: var(--purple2);
}
.period-quick-btn.active {
  background: rgba(124,58,237,0.15);
  border-color: var(--purple);
  color: var(--purple2);
  font-weight: 600;
}

/* ── Mobile layout ─────────────────────────────────────── */
@media (max-width: 768px) {

  /* Navbar: 只留 brand + right */
  .navbar {
    padding: 0 16px;
    height: 56px;
  }
  .nav-center { display: none; }           /* 桌面頁籤隱藏 */
  .desktop-only { display: none !important; } /* 桌面彩券切換隱藏 */
  .brand-text { font-size: 15px; }
  .brand-sub { display: none; }
  .badge-label { display: none; }          /* badge 只保留圓點 */
  .update-badge { padding: 6px; border-radius: 50%; }

  /* 彩券切換列 */
  .mobile-sub-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    background: rgba(6,8,20,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 56px;
    z-index: 99;
  }
  .mobile-sub-nav .lottery-switcher {
    width: 100%;
    max-width: 400px;
  }
  .mobile-sub-nav .lottery-switcher { padding: 4px; }
  .mobile-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }
  .mobile-sub-nav .lottery-btn {
    text-align: center;
    padding: 9px 8px;
    font-size: 13px;
    border-radius: 8px;
  }

  /* 內容區塊留出底部空間 */
  .section {
    padding: 16px 12px;
    padding-bottom: 80px;
  }

  /* 底部頁籤列 */
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(6,8,20,0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    height: 64px;
    padding: 0 4px;
    padding-bottom: env(safe-area-inset-bottom, 0px); /* iPhone notch */
  }
  .bottom-nav .nav-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border-radius: 12px;
    padding: 6px 4px;
    font-size: 11px;
    font-weight: 600;
    border: none;
    background: none;
    color: var(--muted);
    transition: color .2s;
    margin: 4px 2px;
  }
  .bottom-nav .nav-tab:hover,
  .bottom-nav .nav-tab.active {
    color: var(--purple2);
    background: rgba(124,58,237,.12);
  }
  .tab-icon {
    width: 22px;
    height: 22px;
    stroke-width: 2;
  }

  /* KPI & cards */
  .kpi-value { font-size: 22px; }
  .hero-row { grid-template-columns: 1fr; }
  .chart-row { grid-template-columns: 1fr; }
  .chart-row:has(.chart-card:nth-child(3)) { grid-template-columns: 1fr; }

  /* 期數設定手機適配 */
  .period-input-group { flex-wrap: wrap; }
  .period-input { width: 100px; }
  .period-range-group .period-input { width: 110px; }
  .period-quick-btns { gap: 6px; }
  .period-quick-btn { padding: 5px 10px; font-size: 12px; }
  .period-mode-section { padding: 12px; }

  /* 球縮小一點 */
  .ball { width: 50px; height: 50px; font-size: 18px; }
  .predict-balls-lg .ball { width: 60px; height: 60px; font-size: 22px; }
}

/* ── 極小螢幕 ───────────────────────────────────────────── */
@media (max-width: 360px) {
  .bottom-nav .nav-tab span { display: none; } /* 超小螢幕只顯示 icon */
  .bottom-nav .nav-tab { padding: 8px 4px; }
  .tab-icon { width: 26px; height: 26px; }
}

/* ═══════════════════════════════════════════════════════
   AUTH — 登入 / 鎖定模糊
   ═══════════════════════════════════════════════════════ */
.auth-box { display: flex; align-items: center; gap: 8px; }
.auth-btn {
  background: linear-gradient(135deg, rgba(124,58,237,.25), rgba(37,99,235,.25));
  border: 1px solid rgba(124,58,237,.4); color: #c4a6ff;
  font-family: inherit; font-size: 13px; font-weight: 700; letter-spacing: 1px;
  padding: 7px 16px; border-radius: 10px; cursor: pointer; transition: all .2s; white-space: nowrap;
}
.auth-btn:hover { background: linear-gradient(135deg, rgba(124,58,237,.4), rgba(37,99,235,.4)); }
.auth-user { font-size: 13px; color: #94a3b8; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.auth-user b { color: #e2e8f0; }
.auth-logout {
  background: none; border: 1px solid rgba(255,255,255,.15); color: #94a3b8;
  font-family: inherit; font-size: 12px; padding: 5px 12px; border-radius: 8px; cursor: pointer;
}
.auth-logout:hover { color: #e2e8f0; border-color: rgba(255,255,255,.3); }

/* ── 會員專區：同一份資料，用模糊 + 登入解鎖來展示「會員模式」 ── */
.member-intro {
  text-align: center; padding: 36px 24px 28px;
}
.member-intro .card-label { color: #c4a6ff; letter-spacing: 2px; margin-bottom: 6px; }
.member-intro .card-title { font-size: 1.3rem; margin-bottom: 6px; }
.member-intro p { color: #8a92c0; font-size: .85rem; }

.member-blur { transition: filter .3s ease; }
/* 未登入：只模糊「數據本身」（號碼球 / 數字 / 圖表 / 表格內容 / 熱力圖），
   卡片標題、欄位標籤、區塊排版維持清晰，讓訪客看得到每個板位是做什麼用的 */
.member-locked .member-blur .ball,
.member-locked .member-blur .ball-skeleton,
.member-locked .member-blur .ball-separator,
.member-locked .member-blur .mini-ball,
.member-locked .member-blur .mini-ball-sep,
.member-locked .member-blur .kpi-value,
.member-locked .member-blur .num-pill,
.member-locked .member-blur .hm-cell,
.member-locked .member-blur .confidence-badge,
.member-locked .member-blur .conf-val,
.member-locked .member-blur .conf-bar,
.member-locked .member-blur .draw-sum,
.member-locked .member-blur #latestMeta,
.member-locked .member-blur .detail-num,
.member-locked .member-blur .detail-row span,
.member-locked .member-blur .detail-score,
.member-locked .member-blur .chart-wrap,
.member-locked .member-blur .heatmap,
.member-locked .member-blur .multi-balls,
.member-locked .member-blur tbody {
  filter: blur(6px);
  user-select: none;
  pointer-events: none;
}

.member-lock-cta { display: none; text-align: center; padding: 28px 24px; }
.member-locked .member-lock-cta { display: block; }
.member-lock-btn {
  background: linear-gradient(135deg, #7c3aed, #2563eb); color: #fff; border: none;
  font-family: inherit; font-weight: 700; font-size: 15px; letter-spacing: 1px;
  padding: 13px 34px; border-radius: 14px; cursor: pointer;
  box-shadow: 0 10px 30px rgba(124,58,237,.4);
}
.member-lock-btn:hover { box-shadow: 0 10px 40px rgba(124,58,237,.6); }

.auth-modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.6); backdrop-filter: blur(4px);
  align-items: center; justify-content: center;
}
.auth-modal-overlay.open { display: flex; }
.auth-modal {
  background: #0c1028; border: 1px solid rgba(255,255,255,.1);
  border-radius: 18px; padding: 28px 26px; width: min(340px, 90vw);
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}
.auth-modal h3 { font-size: 1.1rem; color: #e2e8f0; margin-bottom: 6px; }
.auth-modal p { font-size: .8rem; color: #8a92c0; margin-bottom: 18px; }
.auth-modal input {
  width: 100%; padding: 10px 12px; margin-bottom: 10px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px; color: #e2e8f0; font-size: 14px; font-family: inherit;
}
.auth-modal input:focus { outline: none; border-color: #7c3aed; }
.auth-modal-err { color: #f87171; font-size: .78rem; margin-bottom: 8px; min-height: 1em; }
.auth-modal-submit {
  width: 100%; padding: 11px; border: none; border-radius: 10px;
  background: linear-gradient(135deg, #7c3aed, #2563eb); color: #fff;
  font-family: inherit; font-weight: 700; font-size: 14px; cursor: pointer; margin-bottom: 8px;
}
.auth-modal-close {
  width: 100%; padding: 9px; border: none; border-radius: 10px; background: none;
  color: #8a92c0; font-family: inherit; font-size: 13px; cursor: pointer;
}

/* ═══ Cloudflare 版新增：解鎖 CTA / 通行碼視窗 / 預測參數面板 ═══ */

/* 未解鎖浮動提示 */
.unlock-cta {
  position: fixed;
  left: 50%;
  bottom: 84px;
  transform: translateX(-50%) translateY(20px);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease, transform .35s ease;
  width: min(92vw, 420px);
}
.unlock-cta.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.unlock-box {
  background: rgba(13, 16, 38, .92);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(124, 58, 237, .45);
  border-radius: 18px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .55), 0 0 24px rgba(124, 58, 237, .25);
  padding: 18px 20px;
  text-align: center;
}
.unlock-title {
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 1px;
  color: #e9e4ff;
}
.unlock-sub {
  font-size: 12px;
  color: #9aa3c7;
  margin: 6px 0 12px;
}
.unlock-btns {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.unlock-line-btn {
  display: inline-block;
  background: linear-gradient(135deg, #06c755, #05a94a);
  color: #fff;
  font-weight: 900;
  font-size: 14px;
  padding: 11px 22px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(6, 199, 85, .4);
  transition: transform .15s ease, box-shadow .15s ease;
}
.unlock-line-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(6, 199, 85, .55);
}
.unlock-code-btn {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .18);
  color: #c4b5fd;
  font-weight: 700;
  font-size: 13px;
  padding: 11px 18px;
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color .15s ease;
}
.unlock-code-btn:hover { border-color: #7c3aed; }
@media (min-width: 769px) {
  .unlock-cta { bottom: 32px; }
}

/* 通行碼視窗內的 LINE 連結 */
.auth-modal-line {
  display: block;
  margin: 4px 0 10px;
  font-size: 12.5px;
  color: #06c755;
  text-decoration: none;
  font-weight: 700;
}
.auth-modal-line:hover { text-decoration: underline; }

/* 預測參數面板 */
.param-card .period-setting-header { margin-bottom: 14px; }
.param-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.param-field label {
  display: block;
  font-size: 12px;
  color: #9aa3c7;
  margin-bottom: 6px;
  font-weight: 700;
}
.param-field .period-input { width: 100%; }
.param-footer {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.param-hint {
  flex: 1;
  min-width: 220px;
  font-size: 11.5px;
  color: #6b7499;
  line-height: 1.7;
}
@media (max-width: 768px) {
  .param-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ═══ 手機版修正 v2：底部安全區 / 精簡切換列 / 表格壓縮 ═══ */
@media (max-width: 768px) {

  /* 1) 底部頁籤：高度包含手機安全區（手勢列），按鈕不再被瀏覽器介面蓋住 */
  .bottom-nav {
    height: auto;
    min-height: 58px;
    padding: 3px 4px calc(6px + env(safe-area-inset-bottom, 0px));
    align-items: stretch;
  }
  .bottom-nav .nav-tab { margin: 2px; padding: 5px 4px; gap: 3px; }

  /* 2) 內容底部留白加大：捲到最底時內容不被頁籤列/解鎖卡蓋住 */
  .section { padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px)); }
  body.member-locked .section { padding-bottom: calc(215px + env(safe-area-inset-bottom, 0px)); }

  /* 3) 解鎖 CTA：壓縮體積，抬高到頁籤列正上方（含安全區） */
  .unlock-cta {
    bottom: calc(70px + env(safe-area-inset-bottom, 0px));
    width: min(94vw, 400px);
  }
  .unlock-box { padding: 12px 14px; border-radius: 14px; }
  .unlock-title { font-size: 13.5px; }
  .unlock-sub { font-size: 11px; margin: 4px 0 9px; }
  .unlock-btns { gap: 8px; }
  .unlock-line-btn { padding: 9px 16px; font-size: 13px; }
  .unlock-code-btn { padding: 9px 12px; font-size: 12px; }

  /* 4) 彩券切換列：2欄大格 → 單列橫向滑動，高度省 2/3 */
  .mobile-sub-nav { padding: 6px 8px; }
  .mobile-sub-nav .lottery-switcher { max-width: none; }
  .mobile-grid {
    display: flex !important;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 6px;
  }
  .mobile-grid::-webkit-scrollbar { display: none; }
  .mobile-sub-nav .lottery-btn {
    flex: 0 0 auto;
    padding: 8px 14px;
    white-space: nowrap;
    font-size: 13px;
  }

  /* 5) 表格手機壓縮：歷史表隱藏流水號欄、整體縮小間距字級 */
  .history-table th:first-child,
  .history-table td:first-child { display: none; }
  .stats-table th, .stats-table td,
  .history-table th, .history-table td { padding: 8px 6px; font-size: 12px; }
  .mini-ball { width: 26px; height: 26px; font-size: 11px; }

  /* 6) 通行碼視窗：小螢幕留邊 */
  .auth-modal { width: min(92vw, 360px); padding: 22px 18px; }
}

/* 歷史表手機微調：日期不斷行、球列縮間距盡量單行排列 */
@media (max-width: 768px) {
  .history-table td:nth-child(3) { white-space: nowrap; font-size: 11px !important; }
  .history-table td:nth-child(2) { font-size: 11px !important; }
  .history-balls { gap: 3px; }
}

/* ═══ 頭數 / 尾數玩法分析 ═══ */
.ht-rows { margin-top: 14px; display: flex; flex-direction: column; gap: 4px; }
.ht-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 12.5px;
  background: rgba(255,255,255,.02);
}
.ht-row:hover { background: rgba(255,255,255,.045); }
.ht-name  { font-weight: 800; color: #e2e8f0; width: 46px; flex-shrink: 0; }
.ht-range {
  color: #6b7499; font-size: 10.5px; width: 92px; flex-shrink: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ht-bar-wrap { flex: 1; height: 6px; background: rgba(255,255,255,.05); border-radius: 3px; overflow: hidden; min-width: 40px; }
.ht-bar { height: 100%; border-radius: 3px; background: linear-gradient(90deg, #7c3aed, #c084fc); }
.ht-freq { color: #c4b5fd; font-weight: 700; width: 52px; text-align: right; flex-shrink: 0; }
.ht-hit  { color: #94a3b8; width: 52px; text-align: right; flex-shrink: 0; }
.ht-gap  { font-weight: 700; width: 44px; text-align: right; flex-shrink: 0; }
.ht-row .badge-hot, .ht-row .badge-cold, .ht-row .badge-warm { flex-shrink: 0; }

/* 未解鎖：頭尾數明細列數據一併模糊（圖表已由 .chart-wrap 規則涵蓋） */
.member-locked .member-blur .ht-rows {
  filter: blur(6px);
  user-select: none;
  pointer-events: none;
}

@media (max-width: 768px) {
  .ht-range { display: none; } /* 手機空間不夠，組員清單改看圖表 tooltip */
  .ht-row { gap: 6px; font-size: 12px; padding: 6px; }
  .ht-freq, .ht-hit { width: 46px; }
}