/* ===================== 设计变量 ===================== */
:root {
  --bg: #12141a;
  --surface: #1a1d25;
  --surface-2: #22262f;
  --surface-3: #2b303c;
  --border: #30353f;
  --text: #e9ebf1;
  --text-dim: #98a0b0;
  --text-mute: #6d7482;
  --accent: #7c5cff;
  --accent-soft: rgba(124, 92, 255, .14);
  --red: #ff5f5f;
  --amber: #ffb02e;
  --green: #3ddc97;
  --blue: #55a8ff;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 2px 10px rgba(0, 0, 0, .28);
}
[data-theme="light"] {
  --bg: #f4f5f8;
  --surface: #ffffff;
  --surface-2: #f2f4f7;
  --surface-3: #e9ecf1;
  --border: #e0e4ea;
  --text: #171a20;
  --text-dim: #5f6875;
  --text-mute: #8b93a1;
  --accent: #6a4df0;
  --accent-soft: rgba(106, 77, 240, .1);
  --red: #e0342c;
  --amber: #c77700;
  --green: #1f9d63;
  --blue: #1a72d0;
  --shadow: 0 2px 10px rgba(20, 25, 40, .07);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 15px/1.6 "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; font-weight: 600; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }

/* ===================== 布局骨架 ===================== */
.app { display: flex; min-height: 100dvh; }

.sidebar {
  position: sticky;
  top: 0;
  flex: 0 0 236px;
  height: 100dvh;
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--surface);
  border-right: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; padding: 0 6px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--accent); color: #fff;
  font-size: 14px; font-weight: 600; letter-spacing: .5px;
}
.brand-text { font-size: 15px; font-weight: 600; }

.side-nav { display: flex; flex-direction: column; gap: 4px; }
.side-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border: 0; border-radius: var(--radius-sm);
  background: transparent; text-align: left; font-size: 14px;
  transition: background .15s;
}
.side-item:hover { background: var(--surface-2); }
.side-item.is-active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.side-ico { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .5; }
.side-item.is-active .side-ico { opacity: 1; }
.side-count {
  margin-left: auto; min-width: 22px; padding: 1px 6px;
  border-radius: 20px; background: var(--surface-3);
  font-size: 12px; text-align: center; color: var(--text-dim);
}
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 3px; padding: 0 6px; }
.side-meta { font-size: 12px; color: var(--text-dim); }
.side-meta.dim { color: var(--text-mute); }

.main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 18px 28px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-title { flex: 1 1 240px; min-width: 0; }
.topbar-title h1 { font-size: 19px; }
.topbar-title .sub { margin: 2px 0 0; font-size: 13px; color: var(--text-dim); }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.search { display: block; }
.search input {
  width: 220px; max-width: 100%; padding: 8px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); font-size: 14px;
}
.search input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.icon-btn {
  width: 36px; height: 36px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--surface);
  font-size: 16px; line-height: 1;
}
.icon-btn:hover { background: var(--surface-2); }

.view { display: none; padding: 22px 28px 8px; }
.view.is-active { display: block; }
.foot {
  margin-top: auto; padding: 22px 28px calc(22px + env(safe-area-inset-bottom));
  font-size: 12px; color: var(--text-mute); border-top: 1px solid var(--border);
}

/* ===================== 通用控件 ===================== */
.toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 7px 14px; border: 1px solid var(--border); border-radius: 20px;
  background: var(--surface); font-size: 13px; transition: .15s;
}
.chip:hover { border-color: var(--accent); }
.chip.is-active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500; }
.switch { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--text-dim); cursor: pointer; }
.switch input { accent-color: var(--accent); width: 15px; height: 15px; }
.btn {
  padding: 8px 15px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-2); font-size: 13px; transition: .15s;
}
.btn:hover { background: var(--surface-3); }
.btn.ghost { background: transparent; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--red); border-color: color-mix(in srgb, var(--red) 45%, var(--border)); }
.btn.sm { padding: 5px 11px; font-size: 12px; }

/* ===================== 关注流 ===================== */
.section { margin-bottom: 26px; }
.section-head {
  display: flex; align-items: center; gap: 9px;
  margin: 0 0 12px; font-size: 14px; font-weight: 600;
}
.section-head .n { font-size: 12px; font-weight: 400; color: var(--text-mute); }
.card-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); }

.card {
  position: relative;
  padding: 15px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.card.is-urgent { border-left: 3px solid var(--red); }
.card.is-soon { border-left: 3px solid var(--amber); }

.card-top { display: flex; align-items: flex-start; gap: 10px; }
.gicon {
  position: relative; overflow: hidden;
  flex: 0 0 36px; width: 36px; height: 36px; border-radius: 9px;
  display: grid; place-items: center;
  color: #fff; font-size: 15px; font-weight: 600;
}
.gicon-fallback { position: absolute; inset: 0; display: grid; place-items: center; }
.gicon img {
  position: absolute; inset: 0; z-index: 1;
  width: 100%; height: 100%; object-fit: cover;
  border-radius: inherit; display: block;
}
.gicon-link { display: block; flex: 0 0 36px; border-radius: 9px; }
.gicon-link:hover { outline: 2px solid var(--accent); outline-offset: 1px; }
.card-head { flex: 1 1 auto; min-width: 0; }
.card-game { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.card-game a { color: inherit; text-decoration: none; }
.card-game a:hover { color: var(--accent); text-decoration: underline; }
.card-title { margin: 2px 0 0; font-size: 15px; font-weight: 600; line-height: 1.45; }
.card-desc { margin: 0; font-size: 13px; color: var(--text-dim); line-height: 1.55; }

.type-tag {
  display: inline-block; padding: 2px 8px; border-radius: 6px;
  font-size: 11px; font-weight: 500;
}
.type-activity { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); }
.type-version  { background: color-mix(in srgb, var(--blue) 18%, transparent); color: var(--blue); }
.type-banner   { background: color-mix(in srgb, var(--amber) 20%, transparent); color: var(--amber); }

.card-time { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 12px; color: var(--text-dim); }
.left-badge {
  padding: 3px 9px; border-radius: 6px; font-weight: 600; font-size: 12px;
}
.left-0 { background: color-mix(in srgb, var(--red) 20%, transparent); color: var(--red); }
.left-1 { background: color-mix(in srgb, var(--amber) 22%, transparent); color: var(--amber); }
.left-2 { background: color-mix(in srgb, var(--green) 18%, transparent); color: var(--green); }
.left-3 { background: var(--surface-3); color: var(--text-dim); }

.card-foot { display: flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 4px; }
.src-link { font-size: 12px; color: var(--text-mute); text-decoration: none; }
.src-link:hover { color: var(--accent); text-decoration: underline; }
.src-note {
  padding: 1px 6px; border-radius: 5px;
  background: color-mix(in srgb, var(--amber) 18%, transparent);
  color: var(--amber); font-size: 11px;
}
.hide-btn {
  margin-left: auto; padding: 5px 11px; border: 1px solid var(--border);
  border-radius: 7px; background: transparent; font-size: 12px; color: var(--text-mute);
  transition: .15s;
}
.hide-btn:hover { color: var(--red); border-color: color-mix(in srgb, var(--red) 50%, var(--border)); }

/* 已结束归档 */
.card.is-ended { opacity: .62; }
.card.is-ended:hover { opacity: 1; }

/* 空状态 */
.empty {
  padding: 54px 20px; text-align: center; border: 1px dashed var(--border);
  border-radius: var(--radius); background: var(--surface);
}
.empty h3 { font-size: 16px; margin-bottom: 6px; }
.empty p { margin: 0 0 16px; font-size: 13px; color: var(--text-dim); }
.quick { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }

/* ===================== 游戏库 ===================== */
.game-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.game-card {
  display: flex; align-items: center; gap: 12px;
  padding: 14px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow);
}
.game-card.is-sub { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
.game-info { flex: 1 1 auto; min-width: 0; }
.game-name { font-size: 14px; font-weight: 600; }
.game-meta { font-size: 12px; color: var(--text-dim); }
.sub-btn {
  flex: 0 0 auto; padding: 6px 13px; border-radius: 18px;
  border: 1px solid var(--border); background: transparent; font-size: 12px;
}
.sub-btn.on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ===================== 我的 ===================== */
.panel {
  padding: 18px 20px; margin-bottom: 16px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface);
}
.panel h2 { font-size: 15px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.badge {
  padding: 1px 8px; border-radius: 20px; background: var(--surface-3);
  font-size: 12px; color: var(--text-dim); font-weight: 400;
}
.hint { margin: 6px 0 0; font-size: 12px; color: var(--text-mute); line-height: 1.6; }
.empty-inline { margin: 4px 0 0; font-size: 13px; color: var(--text-mute); }
.tag-wrap { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 10px 6px 8px; border-radius: 20px; background: var(--surface-2);
  font-size: 13px;
}
.tag .dot { width: 18px; height: 18px; border-radius: 5px; display: grid; place-items: center; font-size: 11px; color: #fff; overflow: hidden; }
.tag .dot img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; display: block; }
.tag button { border: 0; background: transparent; color: var(--text-mute); font-size: 13px; padding: 0 2px; }
.tag button:hover { color: var(--red); }

.list { display: flex; flex-direction: column; gap: 8px; }
.list-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-2);
}
.list-item .li-main { flex: 1 1 auto; min-width: 0; }
.list-item .li-title { font-size: 13px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-item .li-sub { font-size: 12px; color: var(--text-mute); }
.row-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.kv { margin: 0; display: grid; grid-template-columns: 82px 1fr; gap: 6px 12px; font-size: 13px; }
.kv dt { color: var(--text-mute); }
.kv dd { margin: 0; }

/* ===================== 底部 Tab（移动端） ===================== */
.tabbar { display: none; }
.tab {
  flex: 1 1 0; padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
  border: 0; background: transparent; font-size: 12px; color: var(--text-mute);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.tab.is-active { color: var(--accent); font-weight: 600; }
.tab-dot { width: 18px; height: 3px; border-radius: 3px; background: transparent; }
.tab.is-active .tab-dot { background: var(--accent); }

/* ===================== Toast ===================== */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 18px);
  display: flex; align-items: center; gap: 14px;
  padding: 11px 16px; border-radius: 12px;
  background: var(--surface-3); border: 1px solid var(--border);
  box-shadow: 0 8px 26px rgba(0, 0, 0, .32);
  font-size: 13px; z-index: 90;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.toast button { border: 0; background: transparent; color: var(--accent); font-size: 13px; font-weight: 600; }

/* ===================== 响应式：双端平等 ===================== */
@media (max-width: 1080px) {
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
}

/* 平板及以下：收起侧栏，改用底部 Tab */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .tabbar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
  }
  .topbar { padding: 14px 16px; }
  .topbar-title h1 { font-size: 17px; }
  .search input { width: 150px; }
  .view { padding: 16px 16px 8px; }
  .foot { padding: 18px 16px calc(84px + env(safe-area-inset-bottom)); }
  .toast { bottom: calc(78px + env(safe-area-inset-bottom)); }
}

@media (max-width: 620px) {
  .card-grid, .game-grid { grid-template-columns: 1fr; }
  .topbar-actions { width: 100%; }
  .search { flex: 1 1 auto; }
  .search input { width: 100%; }
  .toolbar { gap: 10px; }
  .kv { grid-template-columns: 74px 1fr; }
}

@media (min-width: 901px) {
  .main { max-width: 1180px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}