:root{
  --forest:#15803D; --forest-d:#0f5e2c;
  --emerald:#059669; --emerald-soft:#D1FAE5;
  --amber:#D97706; --amber-soft:#FEF3C7;
  --cream:#F0FDF4; --paper:#FFFFFF;
  --ink:#1F2A24; --muted:#6B7B72; --line:#E3EFE7;
  --r1:16px; --r2:32px; --r3:48px;
  --shadow:0 10px 30px rgba(21,128,61,.10);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:"Nunito Sans",-apple-system,"PingFang SC",sans-serif;color:var(--ink);background:var(--cream)}
h1,h2,h3,.brand,.nav a,.btn,.stat .num{font-family:"Varela Round","Nunito Sans",sans-serif}

/* Layout */
.side{width:248px;flex:0 0 248px;min-height:100vh;background:linear-gradient(180deg,var(--forest),var(--forest-d));
  color:#fff;padding:26px 18px;display:flex;flex-direction:column;gap:8px}
.brand{display:flex;align-items:center;gap:12px;font-size:20px;margin:0 0 14px}
.logo{width:40px;height:40px;border-radius:12px;background:#fff;display:grid;place-items:center;font-size:22px}
.brand small{display:block;font-size:12px;opacity:.7;font-family:"Nunito Sans"}
.nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav a{padding:12px 14px;border-radius:12px;color:#e8f5ec;text-decoration:none;font-size:15px;
  display:flex;align-items:center;gap:12px;transition:.15s}
.nav a .ic{width:22px;text-align:center}
.nav a:hover{background:rgba(255,255,255,.08)}
.nav a.active{background:#fff;color:var(--forest)}
.side .spacer{flex:1}
.side .card-me{background:rgba(255,255,255,.10);border-radius:14px;padding:12px;font-size:13px;line-height:1.5}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:72px;background:var(--paper);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:16px;padding:0 28px}
.topbar h1{font-size:20px;margin:0}
.topbar .crumb{color:var(--muted);font-size:13px}
.search{flex:1;max-width:360px;margin-left:auto;position:relative}
.search input{width:100%;padding:10px 14px 10px 38px;border:1px solid var(--line);border-radius:999px;
  background:var(--cream);font-size:14px}
.search::before{content:"🔍";position:absolute;left:14px;top:50%;transform:translateY(-50%);opacity:.5}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--emerald);color:#fff;display:grid;place-items:center;font-weight:700}
.content{padding:26px 28px}

/* Stat cards */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--r1);padding:18px;box-shadow:var(--shadow);position:relative}
.stat .lab{color:var(--muted);font-size:13px}
.stat .num{font-size:30px;margin:6px 0 2px}
.stat .trend{font-size:12px}
.stat .ic{position:absolute;top:18px;right:18px;font-size:24px;opacity:.85}
.up{color:var(--emerald)} .down{color:#dc2626}

.row2{display:grid;grid-template-columns:1.5fr 1fr;gap:16px}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--r1);padding:20px;box-shadow:var(--shadow)}
.panel h3{margin:0 0 14px;font-size:16px;display:flex;align-items:center;gap:8px}
.panel h3 .tag{margin-left:auto;font-size:12px;color:var(--muted);font-family:"Nunito Sans";font-weight:400}

/* Bar chart */
.chart{display:flex;align-items:flex-end;gap:10px;height:180px;padding-top:24px}
.bar{flex:1;background:linear-gradient(180deg,var(--emerald),var(--forest));border-radius:8px 8px 4px 4px;
  position:relative;display:flex;justify-content:center;min-height:4px}
.bar span{position:absolute;bottom:-22px;font-size:11px;color:var(--muted)}
.bar b{position:absolute;top:-20px;font-size:11px;color:var(--forest);font-weight:700}

/* Table */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:13px}
.pill{padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;display:inline-block}
.pill.green{background:var(--emerald-soft);color:var(--forest)}
.pill.amber{background:var(--amber-soft);color:var(--amber)}
.pill.gray{background:#EEF2F0;color:var(--muted)}
.row-actions a{color:var(--emerald);text-decoration:none;margin-right:10px;font-size:13px;cursor:pointer}
.row-actions a.danger{color:#dc2626}

/* Buttons & forms */
.btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:12px;padding:11px 18px;
  background:var(--forest);color:#fff;font-size:14px;cursor:pointer;text-decoration:none}
.btn.ghost{background:var(--cream);color:var(--forest);border:1px solid var(--line)}
.btn.sm{padding:7px 12px;font-size:13px}
.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.toolbar .spacer{flex:1}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;font-size:13px;color:var(--muted)}
.field input,.field select{padding:10px 12px;border:1px solid var(--line);border-radius:12px;font-size:14px;color:var(--ink);background:#fff}
.form-card{max-width:520px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r1);padding:22px;box-shadow:var(--shadow);margin-bottom:20px}
.form-card h3{margin:0 0 16px;font-size:17px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.acts{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
.note{font-size:12px;color:var(--muted);margin-top:10px}
.msg{background:var(--emerald-soft);color:var(--forest);border-radius:12px;padding:10px 14px;font-size:13px;margin-bottom:16px}
.empty{color:var(--muted);text-align:center;padding:30px}

/* Login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:linear-gradient(160deg,#EDD7C1,#CBA682 55%,#8B5E3C);padding:24px}
.login-card{width:100%;max-width:400px;background:rgba(255,253,249,.9);backdrop-filter:blur(18px);
  border:1px solid #fff;border-radius:24px;padding:34px 30px;box-shadow:0 18px 50px rgba(74,50,30,.28)}
.login-card .brand{justify-content:center;margin-bottom:10px}
.login-card h2{margin:0 0 18px;text-align:center;font-size:22px}
.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#8a6a4e;margin-bottom:14px}
.login-card input{font-size:14px;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--coffee-d,#1F2A24)}
.login-card .btn{width:100%;justify-content:center;margin-top:6px}
.err{background:#FEE2E2;color:#b91c1c;border-radius:12px;padding:9px 12px;font-size:13px;margin:0 0 14px}

/* ===== 响应式：平板 / 手机 ===== */
.hamb{display:none}
.overlay{display:none}

/* 中等屏：统计卡 2 列，图表与提醒堆叠 */
@media (max-width:1100px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .row2{grid-template-columns:1fr}
}

/* 窄屏 / 移动端：侧边栏变抽屉，内容占满 */
@media (max-width:920px){
  body{display:block}
  .hamb{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
    flex:0 0 40px;border:none;background:var(--cream);border-radius:12px;font-size:20px;
    cursor:pointer;color:var(--forest)}
  .side{position:fixed;top:0;left:0;z-index:50;width:248px;max-width:84vw;height:100vh;
    overflow-y:auto;transform:translateX(-100%);transition:transform .25s ease;
    box-shadow:0 0 60px rgba(0,0,0,.35)}
  .side.open{transform:translateX(0)}
  .overlay{position:fixed;inset:0;background:rgba(15,23,20,.45);z-index:40}
  .overlay.show{display:block}
  .main{width:100%;min-width:0}
  .topbar{padding:0 14px;gap:12px}
  .topbar h1{font-size:18px}
  .search{display:none}
  .content{padding:16px 14px 24px}
  .stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat .num{font-size:26px}
  .form-row{grid-template-columns:1fr}
  .form-card{max-width:100%}
  .row2{grid-template-columns:1fr}
  /* 表格窄屏可横向滑动 */
  .panel{overflow-x:auto}
  table{white-space:nowrap;min-width:560px}
  .toolbar{flex-wrap:wrap}
  .toolbar .btn{width:100%;justify-content:center}
}

/* 超窄屏：统计卡单列 */
@media (max-width:520px){
  .stats{grid-template-columns:1fr}
  .topbar .crumb{display:none}
}

/* 桌面端鼠标悬停体验：抽屉滑入时锁滚动已有 JS 处理，此处仅补充键盘可达 */
.hamb:focus-visible{outline:2px solid var(--emerald)}