/* ============================================================
   像素星球授权中心 · 后台样式
   浅灰底 + 白卡片 + 单一蓝色强调，全部本地字体，无外链
   ============================================================ */

:root {
  --bg:        #f3f4f6;
  --rail:      #ffffff;
  --card:      #ffffff;
  --field:     #ffffff;
  --line:      #e5e7eb;
  --line-soft: #f0f1f3;
  --text:      #111827;
  --text-2:    #4b5563;
  --text-3:    #9ca3af;
  --blue:      #2563eb;
  --blue-d:    #1d4ed8;
  --blue-soft: #eff6ff;
  --green:     #059669;
  --green-soft:#ecfdf5;
  --red:       #dc2626;
  --red-soft:  #fef2f2;
  --amber:     #b45309;
  --amber-soft:#fffbeb;
  --radius:    8px;
  --shadow:    0 1px 2px rgba(17, 24, 39, .05), 0 4px 12px -6px rgba(17, 24, 39, .12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 13px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- 布局 ---------- */
.shell { display: flex; min-height: 100vh; }

.rail {
  width: 212px;
  flex: 0 0 212px;
  background: var(--rail);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 18px 16px;
  border-bottom: 1px solid var(--line-soft);
}
.brand .logo {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, #3b82f6, #2563eb 55%, #1d4ed8);
  box-shadow: 0 4px 10px -2px rgba(37, 99, 235, .45);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 13px;
}
.brand b { display: block; font-size: 14px; letter-spacing: .02em; }
.brand small { display: block; font-size: 10.5px; color: var(--text-3); }

.nav { padding: 10px 10px; display: flex; flex-direction: column; gap: 2px; }
.nav a {
  position: relative;
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: 7px;
  color: var(--text-2);
  font-size: 13px;
  transition: background .15s, color .15s;
}
.nav a:hover { background: #f6f7f9; color: var(--text); text-decoration: none; }
.nav a.on { background: var(--blue-soft); color: var(--blue); font-weight: 600; }
.nav a.on::before {
  content: "";
  position: absolute; left: -10px; top: 8px; bottom: 8px;
  width: 3px; border-radius: 0 3px 3px 0;
  background: var(--blue);
}

.ico {
  width: 17px; height: 17px; flex: 0 0 17px;
  display: inline-block;
  opacity: .62;
}
.nav a.on .ico { opacity: 1; }

/* 导航图标现在是内联 SVG，颜色跟随文字 */

.rail-foot {
  margin-top: auto;
  padding: 12px 18px;
  border-top: 1px solid var(--line-soft);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--text-3);
}
.rail-foot .who { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 14px 26px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
  position: sticky; top: 0; z-index: 10;
}
.topbar h1 { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.topbar p { margin: 2px 0 0; font-size: 12px; color: var(--text-3); }
.top-actions { display: flex; gap: 8px; }

.content { padding: 22px 26px 40px; width: 100%; max-width: none; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(17, 24, 39, .04), 0 8px 24px -16px rgba(17, 24, 39, .18);
  margin-bottom: 16px;
  overflow: hidden;
}
.card-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, #fff, #fcfcfd);
}
.card-head h2 {
  margin: 0; font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.card-head h2::before {
  content: "";
  width: 3px; height: 13px; border-radius: 2px;
  background: var(--blue);
}
.card-head .muted { font-size: 12px; color: var(--text-3); }
.card-head .spacer { flex: 1; }
.card-body { padding: 16px 18px; }
.card-body.flush { padding: 0; }

/* ---------- 统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 16px; }
.stat {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 16px 14px 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .15s, box-shadow .15s;
}
.stat::before {
  content: "";
  position: absolute; left: 0; top: 12px; bottom: 12px;
  width: 3px; border-radius: 0 3px 3px 0;
  background: var(--line);
}
.stat:hover { transform: translateY(-1px); box-shadow: 0 6px 18px -8px rgba(17, 24, 39, .18); }
.stat.green::before { background: #10b981; }
.stat.blue::before  { background: var(--blue); }
.stat.red::before   { background: var(--red); }
.stat.amber::before { background: #f59e0b; }
.stat span { display: block; font-size: 12px; color: var(--text-3); }
.stat b { display: block; margin-top: 4px; font-size: 24px; font-weight: 600; letter-spacing: -.02em; }
.stat em { display: block; margin-top: 2px; font-size: 11px; font-style: normal; color: var(--text-3); }
.stat.green b { color: var(--green); }
.stat.red b { color: var(--red); }
.stat.blue b { color: var(--blue); }
.stat.amber b { color: var(--amber); }

/* ---------- 通用 ---------- */
.muted { color: var(--text-3); font-size: 12px; }
.toolbar { display: flex; align-items: center; gap: 10px; }
.toolbar input[type=text] { padding: 6px 10px; }

/* ---------- 在线状态 ---------- */
.dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: #d1d5db; margin-right: 6px; vertical-align: 1px;
}
.dot.on { background: #10b981; animation: dotPulse 1.8s ease-out infinite; }
@keyframes dotPulse {
  0%   { box-shadow: 0 0 0 0 rgba(16, 185, 129, .45); }
  70%  { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.online-text { color: #059669; font-weight: 500; }
.copy { cursor: pointer; }
.copy:hover { color: var(--blue); }

/* 开关 */
.switch { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-2); cursor: pointer; user-select: none; }
.switch input { width: auto; }

/* ---------- 表单 ---------- */
.fields { display: grid; gap: 14px; }
.fields.c4 { grid-template-columns: repeat(4, 1fr); }
.fields.c3 { grid-template-columns: repeat(3, 1fr); }
.fields.c2 { grid-template-columns: repeat(2, 1fr); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > label { font-size: 12px; color: var(--text-2); }
.field .hint { font-size: 11px; color: var(--text-3); }

input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%;
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  outline: 0;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
textarea { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 12px; line-height: 1.7; resize: vertical; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 6px;
  padding: 7px 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: #f9fafb; border-color: #d1d5db; text-decoration: none; }
.btn.primary { background: linear-gradient(180deg, #3b82f6, #2563eb); border-color: #2563eb; color: #fff; font-weight: 500; box-shadow: 0 1px 2px rgba(37, 99, 235, .25); }
.btn.primary:hover { background: linear-gradient(180deg, #2563eb, #1d4ed8); border-color: #1d4ed8; }
.btn.danger { color: var(--red); border-color: #fecaca; }
.btn.danger:hover { background: var(--red-soft); border-color: var(--red); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.data th, table.data td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}
table.data th {
  background: #fafafa;
  color: var(--text-2);
  font-weight: 600;
  font-size: 12px;
  position: sticky; top: 0;
}
table.data tbody tr { transition: background .12s; }
table.data tr:hover td { background: #f8fafc; }
table.data tbody tr:hover td:first-child { box-shadow: inset 2px 0 0 var(--blue); }
table.data td.wrap { white-space: normal; min-width: 220px; }
table.data .mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 12px; }
table.data .empty { text-align: center; color: var(--text-3); padding: 36px 0; }

/* ---------- 徽标 ---------- */
.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 11px;
  line-height: 18px;
  border: 1px solid transparent;
}
.tag.gray   { background: #f3f4f6; color: var(--text-2); border-color: var(--line); }
.tag.green  { background: var(--green-soft); color: var(--green); border-color: #a7f3d0; }
.tag.red    { background: var(--red-soft); color: var(--red); border-color: #fecaca; }
.tag.amber  { background: var(--amber-soft); color: var(--amber); border-color: #fde68a; }
.tag.blue   { background: var(--blue-soft); color: var(--blue); border-color: #bfdbfe; }

/* ---------- 提示 ---------- */
.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 12.5px;
  background: var(--green-soft);
  border: 1px solid #a7f3d0;
  color: var(--green);
}
.flash.error { background: var(--red-soft); border-color: #fecaca; color: var(--red); }
.flash.warn  { background: var(--amber-soft); border-color: #fde68a; color: var(--amber); }

.note {
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--blue-soft);
  border: 1px solid #bfdbfe;
  color: #1e40af;
  font-size: 12.5px;
  margin-bottom: 14px;
}

/* ---------- 空状态 ---------- */
.empty-state {
  padding: 48px 20px;
  text-align: center;
  color: var(--text-3);
}
.empty-state b { display: block; color: var(--text-2); font-size: 14px; margin-bottom: 4px; }

/* ---------- 分页 ---------- */
.pager { display: flex; gap: 6px; align-items: center; padding: 14px 18px; border-top: 1px solid var(--line-soft); font-size: 12px; }
.pager a, .pager span {
  padding: 4px 10px; border: 1px solid var(--line); border-radius: 6px; color: var(--text-2);
}
.pager a:hover { background: #f9fafb; text-decoration: none; }
.pager .on { background: var(--blue); border-color: var(--blue); color: #fff; }
.pager .info { border: 0; color: var(--text-3); margin-left: auto; }

/* ---------- 登录页 ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: var(--bg); padding: 20px; }
.login-box {
  width: 100%; max-width: 380px;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow); padding: 30px 28px;
}
.login-box .logo-lg {
  width: 42px; height: 42px; border-radius: 10px; background: var(--blue);
  color: #fff; display: grid; place-items: center; font-size: 18px; font-weight: 700; margin-bottom: 16px;
}
.login-box h1 { font-size: 19px; margin: 0 0 4px; }
.login-box p.sub { margin: 0 0 22px; color: var(--text-3); font-size: 12.5px; }
.login-box .btn { width: 100%; justify-content: center; padding: 9px; margin-top: 6px; }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #d1d5db; border: 3px solid transparent; background-clip: content-box; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #9ca3af; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

@media (max-width: 900px) {
  .rail { display: none; }
  .fields.c4, .fields.c3, .fields.c2 { grid-template-columns: 1fr; }
  .content { padding: 16px; }
}