/* Scarlet — 藍紫配色 + 特效 */
:root {
  --bg: #08060f;
  --bg-2: #0f0c1c;
  --bg-3: #161028;
  --border: #221a3a;
  --border-hi: #3a2a5c;
  --text: #e8e6f5;
  --text-2: #b8b0d8;
  --muted: #7a72a0;
  --accent: #6366f1;
  --accent-hi: #818cf8;
  --accent-2: #a855f7;
  --accent-3: #8b5cf6;
  --green: #4ade80;
  --yellow: #fbbf24;
  --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* 背景特效：光暈 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 10%, rgba(99,102,241,0.15), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 30%, rgba(168,85,247,0.12), transparent 60%),
    radial-gradient(ellipse 40% 30% at 50% 80%, rgba(139,92,246,0.08), transparent 60%);
  z-index: -2;
  pointer-events: none;
  animation: bgShift 20s ease-in-out infinite alternate;
}
@keyframes bgShift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-2%, -1%) scale(1.05); }
}

/* 背景特效：網格 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent 80%);
}

a { color: var(--text); text-decoration: none; transition: color 0.15s, text-shadow 0.15s; }
a:hover { color: var(--accent-hi); text-shadow: 0 0 12px rgba(129,140,248,0.5); }

code {
  background: var(--bg-3);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
  color: var(--accent-hi);
  border: 1px solid var(--border);
}

.wrap { max-width: 800px; margin: 0 auto; padding: 40px 28px 80px; }
.wrap-wide { max-width: 1100px; margin: 0 auto; padding: 40px 28px 80px; }

/* ── 頂部列 ── */
.topbar {
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  background: rgba(8,6,15,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 0 rgba(99,102,241,0.15);
}
.topbar .logo {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--accent-hi), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px rgba(129,140,248,0.4));
}
.topbar .nav { display: flex; gap: 22px; flex: 1; }
.topbar .nav a {
  color: var(--muted);
  font-size: 14px;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.topbar .nav a:hover { color: var(--text-2); }
.topbar .nav a.active {
  color: var(--accent-hi);
  border-bottom-color: var(--accent);
  text-shadow: 0 0 16px rgba(129,140,248,0.6);
}
.topbar .right { display: flex; align-items: center; gap: 14px; }
.topbar .right .who {
  color: var(--text-2);
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 4px;
  transition: all 0.15s;
}
.topbar .right .who:hover {
  color: var(--accent-hi);
  background: rgba(99,102,241,0.1);
}
.topbar .right .btn {
  padding: 6px 14px;
  border: 1px solid var(--border-hi);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  background: var(--bg-2);
  transition: all 0.2s;
}
.topbar .right .btn:hover {
  border-color: var(--accent);
  color: var(--accent-hi);
  box-shadow: 0 0 20px rgba(99,102,241,0.3);
  transform: translateY(-1px);
}

/* ── 返回按鈕 ── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border-hi);
  border-radius: 6px;
  color: var(--text-2);
  font-size: 13px;
  background: var(--bg-2);
  transition: all 0.2s;
}
.back-btn:hover {
  border-color: var(--accent);
  color: var(--accent-hi);
  background: var(--bg-3);
  box-shadow: 0 0 20px rgba(99,102,241,0.3);
  transform: translateX(-2px);
}

/* ── 標題 ── */
h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #fff, var(--accent-hi) 60%, var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
h2 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 14px;
}
.lead { color: var(--muted); margin-bottom: 36px; font-size: 14px; }

/* ── 表格 ── */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-bottom: 36px;
}
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  transition: background 0.15s;
}
th {
  color: var(--muted);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
tbody tr:hover td {
  background: rgba(99,102,241,0.04);
}
td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.k { color: var(--muted); width: 180px; }

/* ── 狀態點 ── */
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}
.dot.on {
  background: var(--green);
  box-shadow: 0 0 12px rgba(74,222,128,0.8);
  animation: pulse 2s ease-in-out infinite;
}
.dot.off {
  background: #ef4444;
  box-shadow: 0 0 12px rgba(239,68,68,0.8);
}
.dot.warn {
  background: var(--yellow);
  box-shadow: 0 0 12px rgba(251,191,36,0.8);
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(0.9); }
}

/* ── 按鈕 ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: 1px solid var(--border-hi);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  background: var(--bg-2);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(129,140,248,0.15), transparent);
  transition: left 0.5s;
}
.btn:hover::before { left: 100%; }
.btn:hover {
  border-color: var(--accent);
  color: var(--accent-hi);
  background: var(--bg-3);
  box-shadow: 0 0 24px rgba(99,102,241,0.3);
  transform: translateY(-1px);
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hi), var(--accent-3));
  box-shadow: 0 8px 32px rgba(139,92,246,0.6);
  transform: translateY(-2px);
}
.btn-primary:disabled {
  opacity: 0.4; cursor: not-allowed;
  background: var(--bg-3); border-color: var(--border); color: var(--muted);
  box-shadow: none;
  transform: none;
}
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* ── 清單 ── */
.list { border-top: 1px solid var(--border); }
.list-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  transition: all 0.15s;
  border-radius: 4px;
}
.list-item:hover {
  background: rgba(99,102,241,0.04);
  padding-left: 12px;
}
.list-item .time {
  color: var(--muted);
  width: 150px;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  padding-top: 1px;
}
.list-item .body { flex: 1; min-width: 0; }
.list-item .title { font-weight: 600; color: var(--text); }
.list-item .desc { color: var(--muted); font-size: 13px; margin-top: 3px; }

/* ── 備份項目（可點選）── */
.backup-item {
  display: block;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  margin-bottom: 6px;
  transition: all 0.2s;
}
.backup-item:hover {
  background: rgba(99,102,241,0.06);
  border-color: var(--border);
  border-left-color: var(--border-hi);
  transform: translateX(2px);
}
.backup-item.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.1));
  border-color: var(--border-hi);
  border-left-color: var(--accent);
  box-shadow: 0 0 20px rgba(99,102,241,0.15);
}
.backup-item .b-time {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.backup-item .b-meta {
  font-size: 12px;
  color: var(--muted);
}

/* ── 卡片 ── */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 12px;
  background: var(--bg-2);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover {
  border-color: var(--border-hi);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99,102,241,0.15);
}
.card:hover::before { opacity: 1; }
.card .head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.card .name { font-weight: 600; font-size: 14px; color: var(--text); }
.card .meta { color: var(--muted); font-size: 13px; }

/* ── 伺服器卡片（橫向）── */
.guild-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.guild-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--bg-2);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  color: var(--text);
  position: relative;
  overflow: hidden;
}
.guild-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.guild-card:hover {
  border-color: var(--accent);
  background: var(--bg-3);
  color: var(--text);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(99,102,241,0.25);
}
.guild-card:hover::before { opacity: 1; }
.guild-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.guild-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
  flex-shrink: 0;
  transition: box-shadow 0.25s;
}
.guild-card:hover .guild-icon {
  box-shadow: 0 0 20px rgba(99,102,241,0.5);
}
.guild-icon-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-hi);
  background: var(--bg-3);
}
.guild-badge {
  font-size: 11px;
  color: var(--muted);
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 3px;
}
.guild-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.guild-meta {
  font-size: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ── 面板佈局 ── */
.panel-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 49px);
}
.panel-side {
  border-right: 1px solid var(--border);
  padding: 28px 0;
  background: rgba(15,12,28,0.4);
}
.panel-side a {
  display: block;
  padding: 10px 28px;
  font-size: 14px;
  color: var(--muted);
  border-left: 2px solid transparent;
  transition: all 0.2s;
  position: relative;
}
.panel-side a:hover {
  color: var(--text-2);
  background: rgba(99,102,241,0.04);
  padding-left: 32px;
}
.panel-side a.active {
  color: var(--accent-hi);
  border-left-color: var(--accent);
  background: linear-gradient(90deg, rgba(99,102,241,0.12), transparent);
  font-weight: 600;
  text-shadow: 0 0 16px rgba(129,140,248,0.5);
}
.panel-main { padding: 40px 48px; }

/* ── 預覽：Discord 風格 ── */
.dc-preview {
  display: grid;
  grid-template-columns: 200px 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-2);
  overflow: hidden;
  height: 400px;
  font-family: -apple-system, "Segoe UI", "Noto Sans TC", sans-serif;
  box-shadow: 0 0 40px rgba(99,102,241,0.1);
}
.dc-channels {
  background: rgba(15,12,28,0.7);
  border-right: 1px solid var(--border);
  padding: 12px 8px;
  overflow-y: auto;
}
.dc-channels .dc-server {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
}
.dc-channels .dc-server img {
  width: 28px; height: 28px;
  border-radius: 6px;
  object-fit: cover;
}
.dc-channels .dc-server .sname {
  font-size: 14px; font-weight: 700; color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.dc-channels .dc-cat {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 12px 8px 4px;
}
.dc-channels .dc-ch {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 8px;
  border-radius: 4px;
  color: var(--text-2);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 1px;
}
.dc-channels .dc-ch:hover {
  background: rgba(99,102,241,0.1);
  color: var(--accent-hi);
}
.dc-channels .dc-ch.active {
  background: linear-gradient(90deg, rgba(99,102,241,0.2), rgba(168,85,247,0.1));
  color: var(--accent-hi);
  box-shadow: 0 0 16px rgba(99,102,241,0.15);
}
.dc-channels .dc-ch .prefix {
  color: var(--muted);
  font-weight: 500;
  flex-shrink: 0;
  width: 14px;
  text-align: center;
}
.dc-channels .dc-ch.active .prefix { color: var(--accent-hi); }
.dc-chat {
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
}
.dc-chat .dc-head {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.dc-chat .dc-head .prefix {
  color: var(--muted);
  font-size: 18px;
}
.dc-chat .dc-body {
  flex: 1;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 14px;
}

/* ── 統計數字 ── */
.stats {
  display: flex;
  gap: 40px;
  margin: 28px 0 48px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; }
.stat .k {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat .v {
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-top: 6px;
  background: linear-gradient(135deg, #fff, var(--accent-hi));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat .v.off { color: var(--muted); -webkit-text-fill-color: var(--muted); }

/* ── 訊息 ── */
.msg {
  padding: 12px 16px;
  border-left: 2px solid var(--border-hi);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--bg-2);
  color: var(--muted);
  font-size: 13px;
  margin-top: 14px;
  display: none;
}
.msg.show { display: block; animation: slideIn 0.3s ease-out; }
.msg.ok {
  border-left-color: var(--green);
  color: var(--green);
  background: rgba(74,222,128,0.08);
  box-shadow: 0 0 20px rgba(74,222,128,0.15);
}
.msg.err {
  border-left-color: #ef4444;
  color: #fca5a5;
  background: rgba(239,68,68,0.08);
  box-shadow: 0 0 20px rgba(239,68,68,0.15);
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 頁尾 ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 20px 28px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
.footer a { color: var(--muted); transition: color 0.15s; }
.footer a:hover { color: var(--accent-hi); }

/* ── 響應式 ── */
@media (max-width: 640px) {
  .panel-layout { grid-template-columns: 1fr; }
  .panel-side {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
    display: flex;
    overflow-x: auto;
    background: transparent;
  }
  .panel-side a {
    white-space: nowrap;
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 10px 18px;
  }
  .panel-side a:hover { padding-left: 18px; }
  .panel-side a.active {
    border-left: none;
    border-bottom-color: var(--accent);
  }
  .panel-main { padding: 28px 20px; }
  .topbar { padding: 12px 16px; gap: 14px; }
  .topbar .nav { gap: 16px; overflow-x: auto; }
  .wrap, .wrap-wide { padding: 28px 16px 60px; }
  .stats { gap: 24px; flex-wrap: wrap; }
  .stat .v { font-size: 18px; }
}

/* ── 語言切換 ── */
.lang-switch {
  display: inline-flex;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
  background: var(--bg-2);
  margin-right: 4px;
}
.lang-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 4px 10px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 600;
}