/* ============================================
  畅意洗车 · 管理后台 —— 苹果风格
  主色：彩虹夕阳 #FF5E62 → #FF9A44
  辅色：海水蓝 #4FC3F7
  ============================================ */
:root{
  --p1:#FF5E62; --p2:#FF9A44;
  --b1:#4FC3F7; --b2:#81D4FA;
  --grad:linear-gradient(135deg,#FF5E62 0%,#FF9A44 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,94,98,.12),rgba(255,154,68,.12));
  --blue-soft:linear-gradient(135deg,rgba(79,195,247,.14),rgba(129,212,250,.14));
  --bg:#F5F5F7;
  --card:#FFFFFF;
  --ink:#1D1D1F;
  --sub:#86868B;
  --line:#E8E8ED;
  --green:#34C759; --red:#FF3B30; --amber:#FF9F0A;
  --radius:20px;
  --shadow:0 4px 24px rgba(0,0,0,.06),0 1px 3px rgba(0,0,0,.04);
  --shadow-lg:0 12px 48px rgba(0,0,0,.12);
  /* 界面内：等线 Light；侧边栏：微软雅黑；数字：腾讯体 */
  --font:"DengXian Light","等线 Light","DengXian","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-side:"Microsoft YaHei","微软雅黑","PingFang SC","Hiragino Sans GB",sans-serif;
  --font-num:"腾讯体","Tencent Font","TCCC 腾讯体","Tencent Sans","DIN Alternate","Bahnschrift","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:15px;-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(0,0,0,.14);border-radius:8px}
::-webkit-scrollbar-track{background:transparent}
input,select,textarea,button{font-family:inherit;font-size:inherit;outline:none}
a{color:var(--p1);text-decoration:none}
.hidden{display:none!important}

/* ============ 登录页 ============ */
.login-view{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(1200px 600px at 15% -10%,rgba(255,154,68,.35),transparent 60%),
    radial-gradient(1000px 500px at 110% 20%,rgba(255,94,98,.3),transparent 55%),
    radial-gradient(900px 600px at 50% 120%,rgba(79,195,247,.3),transparent 60%),
    linear-gradient(160deg,#FFF8F0 0%,#F5F5F7 100%);
  padding:20px;
}
.login-card{
  width:100%;max-width:400px;background:rgba(255,255,255,.82);
  backdrop-filter:blur(30px) saturate(1.4);-webkit-backdrop-filter:blur(30px) saturate(1.4);
  border-radius:28px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.6);
  padding:44px 38px 36px;text-align:center;animation:rise .5s cubic-bezier(.22,.9,.35,1)
}
@keyframes rise{from{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}
.login-logo{width:76px;height:76px;margin:0 auto 18px;border-radius:24px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:38px;box-shadow:0 10px 30px rgba(255,94,98,.4)}
.login-title{font-size:24px;font-weight:800;letter-spacing:-.5px}
.login-sub{color:var(--sub);font-size:14px;margin:8px 0 28px}
.login-card .field{text-align:left;margin-bottom:14px}
.login-card .field label{display:block;font-size:13px;font-weight:600;color:var(--sub);margin-bottom:6px}
.login-card input{
  width:100%;padding:12px 16px;border:1.5px solid var(--line);border-radius:14px;background:rgba(245,245,247,.8);
  transition:border-color .2s,box-shadow .2s
}
.login-card input:focus{border-color:var(--p1);box-shadow:0 0 0 4px rgba(255,94,98,.12)}
.login-card .btn{width:100%;justify-content:center;margin-top:6px}
.login-links{display:flex;justify-content:space-between;margin-top:18px;font-size:13px}
.form-err{background:rgba(255,59,48,.1);color:var(--red);font-size:13px;padding:10px 14px;border-radius:12px;margin-bottom:14px;display:none}

/* ============ 主布局 ============ */
.app-view{display:flex;min-height:100vh}
.sidebar{
  width:250px;position:fixed;top:0;left:0;bottom:0;z-index:60;
  background:rgba(255,255,255,.86);backdrop-filter:blur(30px) saturate(1.5);-webkit-backdrop-filter:blur(30px) saturate(1.5);
  border-right:1px solid rgba(0,0,0,.05);display:flex;flex-direction:column;
  font-family:var(--font-side);letter-spacing:.4px;
  transition:transform .3s cubic-bezier(.22,.9,.35,1)
}
.side-logo{display:flex;align-items:center;gap:12px;padding:22px 22px 16px}
.side-logo .lg{width:42px;height:42px;border-radius:13px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 6px 18px rgba(255,94,98,.35);flex-shrink:0}
.side-logo b{display:block;font-size:16px;font-weight:800;letter-spacing:.3px}
.side-logo small{color:var(--sub);font-size:12px}
.side-nav{flex:1;overflow-y:auto;padding:6px 14px 20px}
.nav-group{font-size:12px;font-weight:700;color:var(--sub);letter-spacing:.6px;padding:18px 12px 6px}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:10px 14px;margin:2px 0;border-radius:13px;
  color:#3A3A3C;font-size:15px;font-weight:500;letter-spacing:.5px;cursor:pointer;transition:all .18s
}
.nav-item .ic{width:26px;text-align:center;font-size:17px}
.nav-item:hover{background:rgba(0,0,0,.04)}
.nav-item.active{background:var(--grad-soft);color:var(--p1);font-weight:700}
.nav-item.active .ic{transform:scale(1.08)}
.side-foot{border-top:1px solid rgba(0,0,0,.05);padding:14px 16px 18px}
.usr{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.av{width:36px;height:36px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;flex-shrink:0}
.usr span{font-size:14px;font-weight:600}
.btn-logout{
  width:100%;padding:10px;border:none;border-radius:12px;background:rgba(255,59,48,.08);color:var(--red);
  font-size:14px;font-weight:600;cursor:pointer;transition:background .2s
}
.btn-logout:hover{background:rgba(255,59,48,.16)}

.main{flex:1;margin-left:250px;min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:14px 30px;background:rgba(245,245,247,.8);backdrop-filter:blur(24px) saturate(1.6);-webkit-backdrop-filter:blur(24px) saturate(1.6);
  border-bottom:1px solid rgba(0,0,0,.04)
}
.page-title{font-size:24px;font-weight:800;letter-spacing:-.4px}
.top-right{color:var(--sub);font-size:14px}
.menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;width:38px;height:38px;font-size:17px;cursor:pointer}
.pages{padding:26px 30px 40px;max-width:1400px;width:100%;margin:0 auto}

/* ============ 面板 ============ */
.page{display:none;animation:fade .25s ease}
.page.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.page-head h2{font-size:22px;font-weight:800;letter-spacing:-.3px}

/* ============ 统计卡 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:22px}
.stat-card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px;
  display:flex;align-items:center;gap:16px;border:1px solid rgba(0,0,0,.03);transition:transform .2s,box-shadow .2s
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.stat-ic{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.stat-ic.grad{background:var(--grad);box-shadow:0 8px 20px rgba(255,94,98,.3)}
.stat-ic.blue{background:var(--blue-soft);box-shadow:0 8px 20px rgba(79,195,247,.3)}
.stat-ic.green{background:rgba(52,199,89,.14);box-shadow:0 8px 20px rgba(52,199,89,.25)}
.stat-ic.amber{background:rgba(255,159,10,.14);box-shadow:0 8px 20px rgba(255,159,10,.25)}
.stat-ic svg,.stat-ic span{color:#fff}
.stat-card .num{font-size:32px;font-weight:800;letter-spacing:-.5px;line-height:1.1}
.stat-card .lbl{font-size:14px;color:var(--sub);margin-top:3px}

/* ============ 卡片 / 图表 ============ */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:18px;border:1px solid rgba(0,0,0,.03)}
.card-title{font-size:17px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.card-title .dot{width:6px;height:6px;border-radius:50%;background:var(--grad)}
.chart{width:100%;height:320px}

/* ============ 表格 ============ */
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid rgba(0,0,0,.04)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
thead th{background:#FAFAFC;font-size:13px;font-weight:700;color:var(--sub);text-align:left;padding:12px 14px;white-space:nowrap;border-bottom:1px solid var(--line)}
tbody td{padding:12px 14px;border-bottom:1px solid rgba(0,0,0,.04);vertical-align:middle}
tbody tr:hover td{background:#FAFAFC}
tbody tr:last-child td{border-bottom:none}
td .mono{font-family:var(--font-num);font-size:13px;color:#48484A}
.num,.mono,td b{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.tbl-empty{padding:48px;text-align:center;color:var(--sub)}

/* ============ 标签 ============ */
.tag{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:700;white-space:nowrap}
.tag.green{background:rgba(52,199,89,.13);color:#248A3D}
.tag.red{background:rgba(255,59,48,.12);color:#D70015}
.tag.amber{background:rgba(255,159,10,.15);color:#C93400}
.tag.blue{background:rgba(0,122,255,.12);color:#007AFF}
.tag.gray{background:rgba(134,134,139,.13);color:#6E6E73}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border:none;border-radius:12px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap
}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,94,98,.35)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn.ghost:hover{box-shadow:none;border-color:#C7C7CC}
.btn.blue{background:linear-gradient(135deg,#4FC3F7,#2FA8E8)}
.btn.blue:hover{box-shadow:0 8px 20px rgba(79,195,247,.4)}
.btn.red{background:rgba(255,59,48,.1);color:var(--red)}
.btn.red:hover{background:rgba(255,59,48,.16);box-shadow:none}
.btn.green{background:linear-gradient(135deg,#34C759,#28A745)}
.btn.green:hover{box-shadow:0 8px 20px rgba(52,199,89,.4)}
.btn.sm{padding:6px 12px;font-size:13px;border-radius:9px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 访客模式 ============ */
.guest-bar{
  padding:10px 30px;font-size:13px;font-weight:600;letter-spacing:.2px;
  color:#B25000;background:linear-gradient(90deg,rgba(255,159,10,.16),rgba(255,204,0,.10));
  border-bottom:1px solid rgba(255,159,10,.25)
}
body.is-guest .btn:not(.ghost):not(.btn-logout){opacity:.55;box-shadow:none}

/* ============ 表单 ============ */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--sub);margin-bottom:6px}
.input,.select,textarea.input{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:#FAFAFC;font-size:14px;transition:border-color .2s,box-shadow .2s
}
.input:focus,.select:focus,textarea.input:focus{border-color:var(--p1);box-shadow:0 0 0 4px rgba(255,94,98,.1);background:#fff}
textarea.input{resize:vertical;min-height:72px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ============ 工具条 / 搜索 ============ */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar .input{width:220px}
.toolbar .select{width:auto;min-width:130px}

/* ============ 弹窗 ============ */
.modal-mask{position:fixed;inset:0;background:rgba(29,29,31,.5);z-index:100;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.modal-mask.show{display:flex}
.modal{
  background:#fff;border-radius:24px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;
  padding:28px;box-shadow:var(--shadow-lg);animation:pop .22s cubic-bezier(.22,.9,.35,1)
}
@keyframes pop{from{transform:scale(.94) translateY(10px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}
.modal h3{font-size:19px;font-weight:800;margin-bottom:20px;letter-spacing:-.3px}
.modal .actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}
.modal-close{position:absolute;top:18px;right:18px;width:30px;height:30px;border:none;border-radius:50%;background:#F2F2F4;color:#3A3A3C;font-size:15px;cursor:pointer}

/* ============ Toast ============ */
#toast{
  position:fixed;top:24px;left:50%;transform:translateX(-50%) translateY(-12px);z-index:300;
  background:rgba(29,29,31,.92);color:#fff;padding:12px 24px;border-radius:30px;font-size:15px;
  opacity:0;transition:all .3s;pointer-events:none;box-shadow:var(--shadow-lg);backdrop-filter:blur(10px)
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{background:rgba(255,59,48,.95)}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:16px;font-size:14px;color:var(--sub)}
.pager button{padding:6px 14px;border-radius:10px;background:#F2F2F4;border:none;color:var(--ink);font-size:14px;cursor:pointer;transition:background .2s}
.pager button:hover:not(:disabled){background:#E5E5EA}
.pager button:disabled{opacity:.4;cursor:not-allowed}

/* ============ 设备卡片 ============ */
.device-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:16px}
.device-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;border:1px solid rgba(0,0,0,.03);border-top:4px solid var(--sub);transition:transform .2s}
.device-card:hover{transform:translateY(-3px)}
.device-card.free{border-top-color:var(--green)} .device-card.busy{border-top-color:var(--red)} .device-card.fault{border-top-color:var(--amber)}
.device-card .d-name{font-size:16px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.device-card .d-status{display:inline-block;padding:4px 12px;border-radius:20px;font-size:13px;font-weight:700;margin:10px 0}
.ds-free{background:rgba(52,199,89,.13);color:#248A3D}
.ds-busy{background:rgba(255,59,48,.12);color:#D70015}
.ds-fault{background:rgba(255,159,10,.15);color:#C93400}
.device-card .d-meta{font-size:13px;color:var(--sub);line-height:1.9}
.device-card .d-actions{display:flex;gap:8px;margin-top:12px}

/* ============ 卡片网格（轮播图/活动） ============ */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.f-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;border:1px solid rgba(0,0,0,.03);transition:transform .2s,box-shadow .2s}
.f-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.f-card .f-img{height:140px;background:linear-gradient(135deg,#FFE3D3,#D8F3FF);display:flex;align-items:center;justify-content:center;font-size:46px;position:relative}
.f-card .f-img img{width:100%;height:100%;object-fit:cover}
.f-card .f-body{padding:14px 16px;flex:1}
.f-card .f-title{font-size:15px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:8px}
.f-card .f-sub{font-size:13px;color:var(--sub);margin-top:6px;line-height:1.6}
.f-card .f-actions{display:flex;gap:8px;padding:0 16px 16px;flex-wrap:wrap}

/* ============ 排队 ============ */
.live-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.live-chip{background:var(--card);border-radius:14px;padding:12px 18px;display:flex;gap:10px;align-items:center;box-shadow:var(--shadow);font-size:14px}
.live-chip b{font-size:21px}
.queue-item{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;flex-wrap:wrap}
.queue-item:last-child{border-bottom:none}
.slot-box{background:#FAFAFC;border-radius:14px;padding:14px 16px;margin-bottom:12px;border:1px solid rgba(0,0,0,.04)}
.slot-box .slot-title{font-size:14px;font-weight:700;margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}

/* ============ 退款审批卡片 ============ */
.rf-wrap{display:flex;flex-direction:column;gap:14px;padding:4px}
.rf-card{background:var(--card);border:1px solid rgba(0,0,0,.05);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow)}
.rf-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.rf-time{margin-left:auto;font-size:13px;color:var(--sub)}
.rf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.rf-cell{background:rgba(244,244,247,.65);border-radius:12px;padding:9px 12px;min-width:0}
.rf-cell small{display:block;font-size:12px;color:var(--sub);margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rf-cell b{font-size:16px;color:#1C1C1E}
.rf-key{background:linear-gradient(135deg,rgba(255,94,98,.12),rgba(255,154,68,.12));border:1px solid rgba(255,94,98,.28)}
.rf-key b{color:var(--red)}
.rf-warn b{color:var(--red)}
.rf-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;flex-wrap:wrap}
.rf-reason{font-size:13px;color:#48484A}
.rf-actions{display:flex;gap:8px}
.rf-empty{padding:12px;text-align:center;color:var(--sub);font-size:13px;background:rgba(244,244,247,.65);border-radius:12px}
@media(max-width:900px){.rf-grid{grid-template-columns:repeat(2,1fr)}}

/* ============ 加载 ============ */
.loading{text-align:center;padding:44px;color:var(--sub);font-size:15px}
.spin{display:inline-block;width:22px;height:22px;border:3px solid #E5E5EA;border-top-color:var(--p1);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle;margin-right:10px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 移动端 ============ */
@media(max-width:960px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .topbar .menu-btn{display:block}
  .pages{padding:18px 16px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .row2{grid-template-columns:1fr}
  .top-right span{display:none}
}