:root {
  --bg: #0a0e11;
  --bg-soft: #10151a;
  --panel: #141a20;
  --panel-2: #1a2229;
  --border: #223039;
  --text: #e8edf2;
  --text-dim: #8fa0ad;
  --accent: #5ee06a;
  --accent-dark: #35a845;
  --accent-2: #2dd4a0;
  --accent-soft: rgba(94, 224, 106, 0.10);
  --grad: linear-gradient(135deg, #57d95e 0%, #2dd4a0 100%);
  --glow: 0 6px 26px rgba(87, 217, 94, .22);
  --danger: #ef6b64;
  --warn: #e8b04f;
  --info: #58a6e8;
  --radius: 12px;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --glow-a: radial-gradient(1100px 560px at 85% -12%, rgba(45, 212, 160, .07), transparent 60%);
  --glow-b: radial-gradient(900px 520px at -8% 108%, rgba(87, 217, 94, .055), transparent 60%);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--glow-a), var(--glow-b), var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, "Segoe UI Variable Text", "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

/* 体素网格背景（Minecraft 风格淡网格） */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(143, 160, 173, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 160, 173, .05) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(ellipse 90% 62% at 50% 0%, #000 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 90% 62% at 50% 0%, #000 30%, transparent 100%);
}
#root { position: relative; z-index: 1; }

::selection { background: rgba(94, 224, 106, .28); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #28343d; border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #35444f; }

a { color: var(--info); text-decoration: none; }

/* ---------- 通用控件 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px;
  padding: 8px 15px; font-size: 13px; cursor: pointer;
  transition: all .18s ease; white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.btn.primary {
  background: var(--grad); border: 1px solid transparent; color: #071309; font-weight: 700;
  box-shadow: var(--glow);
}
.btn.primary:hover { color: #071309; transform: translateY(-1px); box-shadow: 0 8px 30px rgba(87, 217, 94, .38); filter: brightness(1.06); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); box-shadow: 0 4px 16px rgba(239, 107, 100, .18); }
.btn.small { padding: 4px 11px; font-size: 12px; border-radius: 7px; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }

input, select, textarea {
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px;
  padding: 9px 13px; font-size: 13px; width: 100%;
  font-family: inherit; outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 224, 106, .12);
}
textarea { resize: vertical; min-height: 70px; }
label { display: block; font-size: 12px; color: var(--text-dim); margin: 12px 0 5px; }

.badge {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  font-size: 12px; line-height: 1.6; white-space: nowrap;
}
.badge.green { background: var(--accent-soft); color: var(--accent); box-shadow: inset 0 0 0 1px rgba(94, 224, 106, .18); }
.badge.red { background: rgba(239, 107, 100, .12); color: var(--danger); }
.badge.gray { background: rgba(143, 160, 173, .12); color: var(--text-dim); }
.badge.blue { background: rgba(88, 166, 232, .12); color: var(--info); }
.badge.yellow { background: rgba(232, 176, 79, .14); color: var(--warn); }

code, .mono { font-family: var(--mono); font-size: 12px; }

/* ---------- 登录 / 初始化页 ---------- */
.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.auth-card {
  width: 410px; max-width: 100%;
  background: linear-gradient(180deg, rgba(26, 34, 41, .72), rgba(20, 26, 32, .92));
  border: 1px solid var(--border); border-radius: 18px;
  padding: 38px 36px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .55), inset 0 1px 0 rgba(255, 255, 255, .04);
  backdrop-filter: blur(14px);
  animation: rise .38s cubic-bezier(.2, .8, .25, 1);
}
.auth-logo { text-align: center; margin-bottom: 26px; }
.auth-logo .cube { font-size: 44px; filter: drop-shadow(0 6px 18px rgba(87, 217, 94, .3)); }
.auth-logo h1 { font-size: 25px; margin-top: 10px; letter-spacing: 1px; }
.auth-logo h1 em {
  color: transparent; font-style: normal;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
}
.auth-logo p { color: var(--text-dim); font-size: 12px; margin-top: 6px; }
.auth-switch { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-dim); }
.auth-switch a { cursor: pointer; color: var(--accent); }
.auth-error {
  background: rgba(239, 107, 100, .1); border: 1px solid rgba(239, 107, 100, .35);
  color: var(--danger); padding: 9px 12px; border-radius: 8px;
  font-size: 13px; margin-top: 14px; display: none;
}

/* ---------- 公开门户 ---------- */
.pub-shell { min-height: 100vh; display: flex; flex-direction: column; }
.topnav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 14, 17, .82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topnav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 22px; height: 62px;
  display: flex; align-items: center; gap: 26px;
}
.brand { font-weight: 800; font-size: 16px; letter-spacing: .5px; white-space: nowrap; }
.brand em { color: var(--accent); font-style: normal; }
.topnav-links { display: flex; gap: 4px; flex: 1; }
.topnav-link { padding: 7px 15px; border-radius: 9px; color: var(--text-dim); cursor: pointer; font-size: 14px; transition: all .15s; }
.topnav-link:hover { color: var(--text); background: var(--panel-2); }
.topnav-link.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.topnav-right { display: flex; gap: 10px; align-items: center; }
.topnav-user { color: var(--text-dim); font-size: 13px; }
.pub-main { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 30px 22px 70px; }
.pub-footer {
  border-top: 1px solid var(--border); padding: 18px 22px;
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  color: var(--text-dim); font-size: 12.5px;
}
.pub-footer .dim { opacity: .7; }
.pub-main .auth-wrap { min-height: calc(100vh - 230px); padding: 24px 0; }

.hero {
  position: relative; overflow: hidden; text-align: center;
  padding: 62px 20px 48px;
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(87, 217, 94, .12), transparent 70%),
    linear-gradient(180deg, rgba(26, 34, 41, .5), rgba(16, 21, 26, .2));
  border: 1px solid var(--border); border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}
.hero-badge {
  display: inline-block; padding: 5px 16px; border-radius: 20px;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid rgba(94, 224, 106, .22);
  font-size: 12px; letter-spacing: 1px; margin-bottom: 20px;
}
.hero h1 { font-size: 42px; letter-spacing: 1px; line-height: 1.25; }
.hero h1 em {
  color: transparent; font-style: normal;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  filter: drop-shadow(0 4px 22px rgba(87, 217, 94, .35));
}
.hero p.sub { color: var(--text-dim); font-size: 15px; margin: 18px auto 30px; max-width: 640px; line-height: 1.9; }
.hero .cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }
.btn.big { padding: 12px 28px; font-size: 15px; border-radius: 11px; }

.cube-float {
  position: absolute; font-size: 30px; opacity: .16; z-index: 1;
  animation: floaty 9s ease-in-out infinite;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, .4));
}
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-18px) rotate(5deg); }
}

.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 22px 0 6px; }
.stat-strip .stat-card { text-align: center; padding: 22px 14px; }
.stat-card .num {
  font-size: 30px; font-weight: 800; font-family: var(--mono);
  background: linear-gradient(180deg, #eaf6ea, #9fd8a4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.pub-section { margin-top: 42px; }
.pub-section > h2 {
  font-size: 20px; margin-bottom: 16px;
  display: flex; align-items: baseline; justify-content: space-between;
}
.pub-section > h2 a { color: var(--accent); font-weight: 400; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.feature-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 22px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.feature-card:hover { transform: translateY(-3px); border-color: rgba(94, 224, 106, .4); box-shadow: 0 14px 34px rgba(0, 0, 0, .35); }
.feature-card .icon { font-size: 27px; filter: drop-shadow(0 4px 12px rgba(87, 217, 94, .25)); }
.feature-card h3 { font-size: 15px; margin: 12px 0 8px; }
.feature-card p { color: var(--text-dim); font-size: 13px; line-height: 1.75; }

.ann-item {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 17px 19px; cursor: pointer;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.ann-item:hover { border-color: rgba(94, 224, 106, .45); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0, 0, 0, .3); }
.ann-item + .ann-item { margin-top: 10px; }
.ann-title { font-weight: 600; font-size: 14.5px; }
.ann-date { color: var(--text-dim); font-size: 12px; margin: 4px 0 8px; }
.ann-preview { color: var(--text-dim); font-size: 13px; }
.ann-content {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 28px; font-size: 14px; line-height: 2; white-space: pre-wrap;
}

.mod-meta-chips { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }
.chip {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 20px;
  padding: 5px 14px; font-size: 12.5px; color: var(--text-dim);
}
.chip b { color: var(--accent); }

.code-block {
  background: #070a0c; border: 1px solid var(--border); border-radius: 10px;
  padding: 15px 17px; font-family: var(--mono); font-size: 12.5px; color: #cfe3cf;
  overflow-x: auto; line-height: 1.75; margin: 10px 0 18px; white-space: pre;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, .35);
}
.docs h3 { font-size: 16px; margin: 28px 0 10px; }
.docs p, .docs li { color: var(--text-dim); font-size: 13.5px; line-height: 1.9; }
.docs code { color: var(--warn); }

/* ---------- 应用布局 ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 218px; flex-shrink: 0;
  background: linear-gradient(180deg, rgba(20, 26, 32, .9), rgba(14, 18, 22, .95));
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
  backdrop-filter: blur(10px);
}
.side-brand {
  padding: 20px 18px; font-size: 17px; font-weight: 800; letter-spacing: .5px;
  border-bottom: 1px solid var(--border);
}
.side-brand em { color: var(--accent); font-style: normal; }
.side-nav { flex: 1; padding: 12px 10px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 13px; border-radius: 9px; color: var(--text-dim);
  cursor: pointer; font-size: 13.5px; margin-bottom: 2px;
  transition: all .14s;
  border: 1px solid transparent;
}
.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active {
  background: var(--accent-soft); color: var(--accent); font-weight: 600;
  border-color: rgba(94, 224, 106, .2);
}
.side-user {
  padding: 14px 16px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.side-user .avatar {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  background: var(--grad); color: #071309; font-weight: 800;
  display: flex; align-items: center; justify-content: center; font-size: 15px;
  box-shadow: var(--glow);
}
.side-user .info { flex: 1; min-width: 0; }
.side-user .name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-user .role { font-size: 11px; color: var(--text-dim); }

.main { flex: 1; padding: 26px 30px 60px; min-width: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 14px; flex-wrap: wrap; }
.page-head h2 { font-size: 20px; }
.page-head .sub { color: var(--text-dim); font-size: 13px; margin-top: 4px; }
.page-head .actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 卡片 / 统计 ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
}
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px;
  transition: transform .18s ease, border-color .18s ease;
}
.stat-card:hover { transform: translateY(-2px); border-color: rgba(94, 224, 106, .35); }
.stat-card .num { font-size: 27px; font-weight: 800; font-family: var(--mono); }
.stat-card .lbl { color: var(--text-dim); font-size: 12px; margin-top: 4px; }

.mod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.mod-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 10px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.mod-card:hover { transform: translateY(-3px); border-color: rgba(94, 224, 106, .4); box-shadow: 0 14px 34px rgba(0, 0, 0, .35); }
.mod-card .title { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.mod-card .creator { color: var(--text-dim); font-size: 12px; }
.mod-card .desc {
  color: var(--text-dim); font-size: 13px; flex: 1; min-height: 34px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.mod-card .meta { font-size: 12px; color: var(--text-dim); display: flex; gap: 12px; flex-wrap: wrap; }
.mod-card .meta b { color: var(--text); }
.mod-card .foot { display: flex; gap: 8px; padding-top: 8px; border-top: 1px solid var(--border); flex-wrap: wrap; }

/* ---------- 表格 ---------- */
.table-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th {
  color: var(--text-dim); font-weight: 600; font-size: 12px; white-space: nowrap;
  background: var(--bg-soft); letter-spacing: .4px;
}
tr:last-child td { border-bottom: none; }
tbody tr { transition: background .12s; }
tbody tr:hover { background: rgba(94, 224, 106, .045); }
td .row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.toolbar input, .toolbar select { width: auto; }

.empty { text-align: center; color: var(--text-dim); padding: 46px 20px; font-size: 13px; }
.empty::before { content: '🧊'; display: block; font-size: 30px; margin-bottom: 12px; opacity: .5; }

/* ---------- 弹窗 ---------- */
.overlay {
  position: fixed; inset: 0; background: rgba(4, 7, 9, .66);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px;
  animation: fadein .16s ease;
}
.modal {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border); border-radius: 16px;
  width: 480px; max-width: 100%; max-height: 88vh; overflow-y: auto;
  box-shadow: 0 28px 80px rgba(0, 0, 0, .6), inset 0 1px 0 rgba(255, 255, 255, .04);
  animation: rise .24s cubic-bezier(.2, .8, .25, 1);
}
.modal.wide { width: 640px; }
.modal-head { padding: 16px 22px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-head h3 { font-size: 15px; }
.modal-head .x { cursor: pointer; color: var(--text-dim); font-size: 18px; padding: 0 4px; transition: color .12s; }
.modal-head .x:hover { color: var(--text); }
.modal-body { padding: 8px 22px 22px; }
.modal-foot { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.modal-error { color: var(--danger); font-size: 13px; margin-top: 12px; display: none; }

@keyframes fadein { from { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }

/* ---------- 其他 ---------- */
.toast-box { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--panel-2); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  padding: 12px 16px; border-radius: 10px; font-size: 13px; min-width: 240px; max-width: 380px;
  box-shadow: 0 10px 34px rgba(0, 0, 0, .45);
  animation: slidein .22s cubic-bezier(.2, .8, .25, 1);
}
.toast.error { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warn); }
@keyframes slidein { from { transform: translateX(30px); opacity: 0; } to { transform: none; opacity: 1; } }

.key-box {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 9px;
  padding: 11px 13px; font-family: var(--mono); font-size: 12px;
  word-break: break-all; color: var(--warn); margin-top: 8px;
}

.progress { height: 8px; background: var(--bg-soft); border-radius: 6px; overflow: hidden; margin-top: 10px; display: none; }
.progress .bar { height: 100%; background: var(--grad); width: 0; transition: width .2s; border-radius: 6px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tab { padding: 9px 18px; cursor: pointer; color: var(--text-dim); font-size: 13.5px; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color .12s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.inline-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.inline-form > div { flex: 1; min-width: 130px; }

.hint { font-size: 12px; color: var(--text-dim); margin-top: 6px; line-height: 1.7; }
.divider { border: none; border-top: 1px solid var(--border); margin: 18px 0; }

/* 入场动画（配合 enhancePage 的 IntersectionObserver） */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s cubic-bezier(.2, .8, .25, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 主题/语言切换按钮 ---------- */
.icon-btn { min-width: 38px; justify-content: center; font-size: 14px; }
.side-tools { display: flex; gap: 8px; padding: 10px 16px 0; }
.side-tools .btn { flex: 1; justify-content: center; }
.side-tools .lang-select { flex: 1.4; }
.lang-select {
  width: auto; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px;
  padding: 6px 10px; font-size: 12.5px; cursor: pointer; outline: none;
  font-family: inherit; transition: border-color .15s ease;
}
.lang-select:hover, .lang-select:focus { border-color: var(--accent); }
.lang-select option { background: var(--panel); color: var(--text); }

/* ---------- 浅色主题 ---------- */
:root[data-theme='light'] {
  --bg: #eef3ef;
  --bg-soft: #e3eae4;
  --panel: #ffffff;
  --panel-2: #f3f8f4;
  --border: #d6e0d8;
  --text: #1a2b20;
  --text-dim: #5f7168;
  --accent: #1e9e4e;
  --accent-dark: #157a3b;
  --accent-2: #0e9e78;
  --accent-soft: rgba(30, 158, 78, 0.10);
  --grad: linear-gradient(135deg, #2fb45c 0%, #0e9e78 100%);
  --glow: 0 6px 22px rgba(30, 158, 78, .18);
  --danger: #d0483f;
  --warn: #a87a20;
  --info: #2178c4;
  --glow-a: radial-gradient(1100px 560px at 85% -12%, rgba(14, 158, 120, .07), transparent 60%);
  --glow-b: radial-gradient(900px 520px at -8% 108%, rgba(30, 158, 78, .06), transparent 60%);
}

:root[data-theme='light'] body::before {
  background-image:
    linear-gradient(rgba(95, 113, 104, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95, 113, 104, .07) 1px, transparent 1px);
}

:root[data-theme='light'] ::selection { background: rgba(30, 158, 78, .22); }

:root[data-theme='light'] ::-webkit-scrollbar-thumb { background: #c2cfc5; border-color: var(--bg); }
:root[data-theme='light'] ::-webkit-scrollbar-thumb:hover { background: #a8b8ac; }

:root[data-theme='light'] .topnav { background: rgba(255, 255, 255, .82); }

:root[data-theme='light'] .hero {
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(30, 158, 78, .10), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, .6), rgba(243, 248, 244, .25));
  box-shadow: 0 16px 44px rgba(30, 60, 40, .1);
}

:root[data-theme='light'] .auth-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, .88), rgba(246, 250, 246, .96));
  box-shadow: 0 20px 55px rgba(30, 60, 40, .14), inset 0 1px 0 rgba(255, 255, 255, .6);
}

:root[data-theme='light'] .stat-card .num {
  background: linear-gradient(180deg, #17603a, #23975a);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

:root[data-theme='light'] .sidebar {
  background: linear-gradient(180deg, rgba(255, 255, 255, .94), rgba(240, 246, 241, .97));
}

:root[data-theme='light'] .overlay { background: rgba(40, 60, 48, .4); }

:root[data-theme='light'] .code-block {
  background: #f0f4f1; border-color: var(--border); color: #1d4430;
  box-shadow: inset 0 0 0 rgba(0, 0, 0, 0);
}

:root[data-theme='light'] .key-box { background: #fbf7ea; border-color: #e3d5ae; color: #7c5c12; }

:root[data-theme='light'] .toast { box-shadow: 0 10px 30px rgba(30, 60, 40, .16); }

:root[data-theme='light'] .mod-card,
:root[data-theme='light'] .feature-card,
:root[data-theme='light'] .stat-card {
  box-shadow: 0 2px 10px rgba(30, 60, 40, .05);
}

@media (max-width: 760px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  .side-nav { display: flex; overflow-x: auto; padding: 8px; }
  .nav-item { white-space: nowrap; }
  .main { padding: 18px 14px 50px; }
  .topnav-links { display: none; }
  .hero h1 { font-size: 27px; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
}