/* ============================================================
   工具箱导航 · 后台样式
   ============================================================ */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: #f0f2f5;
  color: #1f2329;
  font-size: 14px;
}

a { color: #4a7cf7; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 登录页 ---------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 6px 30px rgba(20, 30, 60, .1);
  padding: 34px 32px;
}

.login-card h1 {
  font-size: 20px;
  margin-bottom: 6px;
  text-align: center;
}

.login-card .sub {
  text-align: center;
  color: #8a919f;
  font-size: 13px;
  margin-bottom: 24px;
}

.login-card .field { margin-bottom: 16px; }
.login-card label { display: block; font-size: 13px; color: #4e5565; margin-bottom: 6px; }
.login-card input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d5d9e0;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
}
.login-card input:focus { border-color: #4a7cf7; }
.login-card button {
  width: 100%;
  padding: 11px;
  background: #4a7cf7;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
  margin-top: 6px;
}
.login-card button:hover { background: #3d6ce6; }

.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}
.alert-error { background: #fdecec; color: #c0392b; }
.alert-success { background: #e8f7ee; color: #1e8e3e; }

/* ---------- 后台框架 ---------- */
.admin-shell { display: flex; min-height: 100vh; }

.admin-side {
  width: 200px;
  background: #1d2433;
  color: #c8cdd9;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.admin-brand {
  padding: 20px 18px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.admin-nav { padding: 12px 0; flex: 1; }
.admin-nav a {
  display: block;
  padding: 11px 18px;
  color: #c8cdd9;
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: all .15s ease;
}
.admin-nav a:hover { color: #fff; background: rgba(255, 255, 255, .05); text-decoration: none; }
.admin-nav a.active { color: #fff; background: rgba(74, 124, 247, .18); border-left-color: #4a7cf7; }

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

.admin-topbar {
  background: #fff;
  border-bottom: 1px solid #e4e8ef;
  padding: 13px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.admin-user { font-weight: 400; color: #8a919f; font-size: 13px; }

.admin-content { padding: 22px 24px; max-width: 1080px; width: 100%; }

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 4px rgba(20, 30, 60, .05);
  padding: 20px 22px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

/* ---------- 统计卡片 ---------- */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 4px rgba(20, 30, 60, .05);
  padding: 18px 20px;
}

.stat-card .num { font-size: 26px; font-weight: 700; color: #1f2329; }
.stat-card .label { font-size: 12.5px; color: #8a919f; margin-top: 4px; }

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

table.list {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

table.list th, table.list td {
  padding: 10px 12px;
  border-bottom: 1px solid #eef1f5;
  text-align: left;
  vertical-align: middle;
}

table.list th {
  background: #f7f9fc;
  color: #4e5565;
  font-weight: 600;
  white-space: nowrap;
}

table.list tr:hover td { background: #fafbfd; }

td.actions { white-space: nowrap; }
td.actions form { display: inline; }

.btn {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 7px;
  border: 1px solid #d5d9e0;
  background: #fff;
  color: #1f2329;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  transition: all .15s ease;
}
.btn:hover { border-color: #4a7cf7; color: #4a7cf7; text-decoration: none; }
.btn-primary { background: #4a7cf7; border-color: #4a7cf7; color: #fff; }
.btn-primary:hover { background: #3d6ce6; color: #fff; }
.btn-danger { color: #c0392b; border-color: #e2b6b0; }
.btn-danger:hover { border-color: #c0392b; color: #c0392b; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; }
.btn-block { display: block; width: 100%; text-align: center; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
}
.badge-on { background: #e8f7ee; color: #1e8e3e; }
.badge-off { background: #f0f1f4; color: #8a919f; }

/* ---------- 表单 ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 18px;
}

.form-grid .full { grid-column: 1 / -1; }

.form-item { margin-bottom: 16px; }
.form-item label { display: block; font-size: 13px; color: #4e5565; margin-bottom: 6px; }
.form-item .hint { font-size: 12px; color: #a0a6b1; margin-top: 4px; }
.form-item input[type=text],
.form-item input[type=url],
.form-item input[type=number],
.form-item input[type=password],
.form-item select,
.form-item textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #d5d9e0;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus { border-color: #4a7cf7; }
.form-item textarea { resize: vertical; min-height: 80px; }
.form-item .check-row { display: flex; align-items: center; gap: 8px; font-size: 14px; }

.form-actions { display: flex; gap: 10px; margin-top: 6px; }

/* ---------- 搜索/顶部操作条 ---------- */
.list-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.list-toolbar input[type=search] {
  padding: 8px 12px;
  border: 1px solid #d5d9e0;
  border-radius: 8px;
  font-size: 13.5px;
  outline: none;
  min-width: 220px;
}
.list-toolbar input[type=search]:focus { border-color: #4a7cf7; }

/* ---------- 趋势柱状图 ---------- */
.bars { display: flex; align-items: flex-end; gap: 10px; height: 160px; padding: 10px 4px 0; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 6px; }
.bar-val { font-size: 11px; color: #8a919f; }
.bar { width: 100%; max-width: 34px; border-radius: 5px 5px 0 0; min-height: 2px; background: #4a7cf7; }
.bar.uv { background: #7fa4ff; }
.bar-date { font-size: 11px; color: #a0a6b1; white-space: nowrap; }

.legend { display: flex; gap: 18px; font-size: 12.5px; color: #4e5565; margin-bottom: 10px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; }
.legend .pv { background: #4a7cf7; }
.legend .uv { background: #7fa4ff; }

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .admin-shell { flex-direction: column; }
  .admin-side { width: 100%; flex-direction: row; overflow-x: auto; }
  .admin-brand { display: none; }
  .admin-nav { display: flex; padding: 0; }
  .admin-nav a { border-left: none; border-bottom: 2px solid transparent; white-space: nowrap; padding: 12px 14px; }
  .admin-nav a.active { border-bottom-color: #4a7cf7; }
  .form-grid { grid-template-columns: 1fr; }
}

/* Workspace redesign ? shared visual language */
:root{--accent:#547968;--soft:#edf4ef;--line:#e7ece8;--muted:#829087;--text:#293a31}
body{background:#f7f8fa;color:var(--text);line-height:1.65}a{color:var(--accent)}
.admin-side{width:232px;background:#fff;color:var(--text);border-right:1px solid var(--line);position:sticky;top:0;height:100vh;padding:12px 14px}
.admin-brand{color:var(--text);padding:22px 14px 28px;border-bottom:1px solid var(--line);letter-spacing:.5px;display:flex;align-items:center;gap:10px}
.admin-brand::before{content:'✳';display:grid;place-items:center;width:33px;height:33px;border-radius:9px;background:var(--accent);color:#fff;font-size:26px}.admin-nav{padding-top:24px}.admin-nav a{margin-bottom:7px;border:0;border-radius:8px;padding:12px 16px;color:#839087;font-size:13px;display:flex;align-items:center;gap:12px}.admin-nav a::before{content:'◇';font-size:16px}.admin-nav a:first-child::before{content:'▦'}.admin-nav a:nth-child(2)::before{content:'⌘'}.admin-nav a:nth-child(3)::before{content:'⊞'}.admin-nav a:nth-child(4)::before{content:'⚙'}.admin-nav a:nth-child(5)::before{content:'▥'}.admin-nav a:last-child::before{content:'↗'}.admin-nav a.active,.admin-nav a:hover{background:var(--soft);color:var(--accent);border:0}.admin-topbar{min-height:79px;border-color:var(--line);padding:20px 36px;font-size:16px}.admin-user{display:flex;align-items:center;gap:10px;color:var(--muted)}.admin-user::before{content:'●';color:var(--accent);font-size:9px}.admin-content{max-width:1440px;padding:32px 36px}.card{border:1px solid var(--line);box-shadow:none;border-radius:12px;padding:25px;margin-bottom:24px}.card-title{font-size:15px;margin-bottom:20px}.stat-cards{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px}.stat-card{box-shadow:none;border:1px solid var(--line);border-radius:11px;padding:23px}.stat-card .num{font-size:31px;color:var(--accent);font-weight:600;letter-spacing:-1px}.stat-card .label{font-size:11px;color:var(--muted);margin-top:8px}table.list th{background:#f6f8f6;color:var(--muted);font-size:11px;font-weight:500;padding:13px 15px}table.list td{padding:15px;border-color:var(--line);font-size:12px}table.list tr:hover td{background:#f8faf8}.btn{padding:8px 15px;border-radius:7px;border-color:var(--line);font-size:12px}.btn-primary,.login-card button{background:var(--accent);border-color:var(--accent)}.btn-primary:hover,.login-card button:hover{background:#416352;color:#fff}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn-primary:hover{color:#fff}.btn-sm{font-size:11px;padding:5px 10px}.btn-danger{color:#b86459;border-color:#eddcd9}.badge{font-size:10px;padding:3px 9px}.badge-on{color:#547968;background:#edf4ef}.form-item{margin-bottom:22px}.form-grid{gap:0 25px}.form-item label{font-size:12px;color:#59695f;margin-bottom:8px}.form-item .hint{color:var(--muted);font-size:11px;margin-top:7px}.form-item input[type=text],.form-item input[type=url],.form-item input[type=number],.form-item input[type=password],.form-item select,.form-item textarea,.list-toolbar input[type=search]{border-color:var(--line);background:#fcfdfc;padding:11px 13px;font-size:13px;transition:border-color .2s,box-shadow .2s}.form-item input:focus,.form-item select:focus,.form-item textarea:focus,.list-toolbar input[type=search]:focus,.login-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--soft)}.form-actions{border-top:1px solid var(--line);padding-top:20px}.bar,.legend .pv{background:var(--accent)}.bar.uv,.legend .uv{background:#aac3b1}.alert-success{background:var(--soft);color:var(--accent)}.login-body{background:radial-gradient(ellipse at 25% 20%,#e3ede4,transparent 55%),#f7f8fa}.login-card{max-width:430px;padding:42px;border:1px solid var(--line);box-shadow:0 20px 70px #2343310a;border-radius:17px}.login-card::before{content:'✳';display:grid;place-items:center;width:52px;height:52px;margin:0 auto 22px;background:var(--accent);color:#fff;font-size:39px;border-radius:14px}.login-card h1{font-size:23px;color:var(--text)}.login-card .sub{font-size:12px;margin:9px 0 30px}.login-card input{padding:12px;border-color:var(--line)}.login-card button{padding:12px;font-size:13px;margin-top:13px}.login-card label{font-size:12px}.login-back{display:block;margin-top:22px;text-align:center;font-size:12px;color:var(--muted)}
:focus-visible{outline:3px solid #a9c6b0;outline-offset:3px}
@media(max-width:768px){.admin-side{position:static;height:auto;width:100%;padding:5px 10px;border-right:0;border-bottom:1px solid var(--line)}.admin-nav{padding:0;gap:4px}.admin-nav a{margin:0;gap:6px;padding:10px 12px}.admin-nav a.active{border-bottom:0}.admin-topbar{min-height:65px;padding:15px 20px}.admin-content{padding:20px 16px}.card{padding:18px}.stat-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.stat-card{padding:17px}.stat-card .num{font-size:26px}.list-toolbar input[type=search]{min-width:0;max-width:100%}.login-card{padding:32px 25px}.bars{gap:5px}.bar-date{font-size:9px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}