/* ==========================================================================
   app.css —— 样式取自 admin.html 原型（保持风格 100% 一致），并补充：
   登录视图 / toast / 空状态 / 分页 / 骨架屏 / 表格内联编辑
   ========================================================================== */

:root{--brand:#2563eb;--sb:#0f172a;--ok:#10b981;--warn:#f59e0b;--err:#ef4444}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'PingFang SC','Microsoft YaHei',sans-serif;background:#f1f5f9;color:#1e293b}
::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}
.hidden{display:none!important}

/* ---------- 侧栏（原样保留） ---------- */
.sb{background:var(--sb);transition:width .3s}
.sbi{transition:all .2s;cursor:pointer}
.sbi:hover{background:rgba(255,255,255,.08)}
.sbi.active{background:var(--brand);box-shadow:0 4px 12px rgba(37,99,235,.4)}
.sbs{max-height:0;overflow:hidden;transition:max-height .3s}
.sbs.open{max-height:800px}

/* ---------- 卡片 / 按钮 / 徽章 / 表单 ---------- */
.card{background:#fff;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.card:hover{box-shadow:0 4px 12px rgba(0,0,0,.08)}
.si{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px}
.btn{padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:none;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.btn:disabled{opacity:.45;cursor:not-allowed}
.bp{background:var(--brand);color:#fff}
.bp:hover:not(:disabled){background:#1d4ed8;transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,99,235,.3)}
.bo{background:#fff;border:1px solid #e2e8f0;color:#475569}
.bo:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}
.bs{padding:5px 10px;font-size:12px}
.bd{padding:5px 10px;font-size:12px;background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.bd:hover:not(:disabled){background:#fecaca;border-color:#fca5a5;color:#7f1d1d}
.bg-ok{background:var(--ok);color:#fff}.bg-warn{background:var(--warn);color:#fff}.bg-err{background:var(--err);color:#fff}
.bdg{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500;display:inline-block}
.bdg-ok{background:#d1fae5;color:#065f46}.bdg-warn{background:#fef3c7;color:#92400e}
.bdg-err{background:#fee2e2;color:#991b1b}.bdg-info{background:#dbeafe;color:#1e40af}.bdg-g{background:#f1f5f9;color:#475569}
.inp{width:100%;padding:9px 14px;border:1px solid #e2e8f0;border-radius:8px;font-size:14px;outline:none;background:#fff;transition:border .2s;font-family:inherit}
.inp:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.inp:disabled{background:#f8fafc;color:#94a3b8}
textarea.inp{resize:vertical;line-height:1.7}
.sel{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
label.fl{display:block;font-size:13px;color:#475569;font-weight:500;margin-bottom:6px}
label.fl .req{color:var(--err)}

/* ---------- 表格 ---------- */
table{width:100%;border-collapse:collapse}
th{text-align:left;padding:12px 16px;font-size:13px;font-weight:600;color:#64748b;background:#f8fafc;border-bottom:1px solid #e2e8f0;white-space:nowrap}
td{padding:14px 16px;font-size:14px;border-bottom:1px solid #f1f5f9}
tr:hover td{background:#f8fafc}
tbody tr:last-child td{border-bottom:none}
.empty-row td{text-align:center;color:#94a3b8;padding:40px 16px;font-size:14px}

/* ---------- 标签页 / 页面切换动画（纯 CSS） ---------- */
.tab{padding:10px 20px;cursor:pointer;font-size:14px;font-weight:500;color:#64748b;border-bottom:2px solid transparent;transition:all .2s}
.tab.active{color:var(--brand);border-bottom-color:var(--brand)}
.tab:hover{color:var(--brand)}
.pg{display:none}
.pg.active{display:block;animation:fi .4s ease}
@keyframes fi{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* ---------- 弹窗（纯 CSS 动画） ---------- */
.mo{position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;align-items:center;justify-content:center;z-index:100;backdrop-filter:blur(4px)}
.mo.show{display:flex;animation:fi .2s ease}
.mb{background:#fff;border-radius:16px;width:90%;max-width:600px;max-height:90vh;overflow-y:auto;animation:mi .3s ease}
.mb.wide{max-width:860px}
@keyframes mi{from{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}
.mb-hd{padding:18px 22px;border-bottom:1px solid #f1f5f9;display:flex;align-items:center;justify-content:space-between}
.mb-hd h3{font-size:17px;font-weight:600}
.mb-bd{padding:22px}
.mb-ft{padding:16px 22px;border-top:1px solid #f1f5f9;display:flex;justify-content:flex-end;gap:10px}

/* ---------- 开关 / 头像 / 进度条 ---------- */
.tog{position:relative;width:44px;height:24px;background:#cbd5e1;border-radius:12px;cursor:pointer;transition:background .2s;display:inline-block;vertical-align:middle}
.tog.on{background:var(--brand)}
.tog::after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.tog.on::after{transform:translateX(20px)}
.av{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:#fff}
.pb{height:8px;background:#e2e8f0;border-radius:4px;overflow:hidden}
.pf{height:100%;border-radius:4px;transition:width .6s ease}

/* ---------- 登录视图 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e293b 0%,#0f172a 55%,#1e3a8a 100%)}
.login-card{background:#fff;border-radius:18px;padding:36px 34px;width:100%;max-width:400px;box-shadow:0 24px 60px rgba(0,0,0,.35);animation:mi .4s ease}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.login-logo{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,#60a5fa,#2563eb);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px}
.login-title{font-size:19px;font-weight:700;color:#1e293b}
.login-sub{font-size:12px;color:#94a3b8;margin-top:2px}
.login-field{margin-bottom:16px}
.login-field label{display:block;font-size:13px;color:#475569;font-weight:500;margin-bottom:6px}
.login-btn{width:100%;justify-content:center;padding:11px;font-size:15px;margin-top:6px}
.login-err{color:var(--err);font-size:13px;min-height:18px;margin-bottom:6px}
.login-tip{margin-top:18px;padding-top:14px;border-top:1px solid #f1f5f9;font-size:12px;color:#94a3b8;line-height:1.7}

/* ---------- Toast ---------- */
#toastBox{position:fixed;top:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:10px}
.toast{background:#fff;border-left:4px solid var(--brand);border-radius:10px;padding:12px 18px;box-shadow:0 8px 24px rgba(0,0,0,.14);font-size:14px;min-width:200px;max-width:380px;animation:ti .25s ease}
.toast.ok{border-left-color:var(--ok)}
.toast.err{border-left-color:var(--err)}
.toast.warn{border-left-color:var(--warn)}
.toast.out{animation:to .25s ease forwards}
@keyframes ti{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}
@keyframes to{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(30px)}}

/* ---------- 骨架屏 ---------- */
.sk{background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 37%,#f1f5f9 63%);background-size:400% 100%;animation:skm 1.4s ease infinite;border-radius:6px;height:14px;display:inline-block;width:100%}
@keyframes skm{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-size:13px;color:#64748b}
.pager-btns{display:flex;gap:6px}
.pg-btn{min-width:32px;height:32px;padding:0 8px;border:1px solid #e2e8f0;background:#fff;border-radius:7px;font-size:13px;cursor:pointer;transition:all .2s;color:#475569}
.pg-btn:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}
.pg-btn.active{background:var(--brand);border-color:var(--brand);color:#fff}
.pg-btn:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 空状态 ---------- */
.empty{text-align:center;padding:48px 16px;color:#94a3b8}
.empty i{font-size:38px;display:block;margin-bottom:12px;opacity:.45}

/* ---------- 统计卡片 ---------- */
.stat-card{transition:transform .2s,box-shadow .2s}
.stat-card:hover{transform:translateY(-2px)}
.chart-box{width:100%;height:280px}

/* ---------- 提示条 ---------- */
.notice{display:flex;gap:10px;padding:12px 16px;border-radius:10px;font-size:13px;line-height:1.6;margin-bottom:16px}
.notice-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}
.notice-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}
.notice-err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}