/* ===== 云栖种植基地 · 农业科技风布局 ===== */

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  background:linear-gradient(160deg,#F5F2ED 0%,#E8F0E0 100%);
  color:#3D3D3D;font-size:14px;line-height:1.6;
  overflow:hidden;height:100vh;
}
button{font-family:inherit;cursor:pointer;border:none;outline:none;background:none}
a{text-decoration:none;color:inherit}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#D4C5A0;border-radius:3px}

/* ===== Layout Shell ===== */
.layout{display:flex;height:100vh;overflow:hidden}
.layout-main{display:flex;flex-direction:column;flex:1;min-width:0;overflow:hidden}

/* ===== Top Bar ===== */
.top-bar{
  height:52px;flex-shrink:0;z-index:100;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  display:flex;align-items:center;padding:0 20px;
  border-bottom:1px solid #E0DCD5;color:#3D3D3D;
}
.top-bar-left{display:flex;align-items:center;gap:10px;flex-shrink:0}
.top-bar-left .logo{width:30px;height:30px;border-radius:7px;background:#E8F0E0;display:flex;align-items:center;justify-content:center;font-size:15px}
.top-bar-left .sys-name{font-size:14px;font-weight:700;letter-spacing:.3px;white-space:nowrap;color:#3D3D3D}
.top-bar-center{flex:1;display:flex;align-items:center;justify-content:center;gap:20px}
.dt-block{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:#6B6B6B}
.dt-block .lunar{font-size:10px;opacity:.6;padding:2px 8px;background:#F5F2ED;border-radius:10px;color:#9A9A9A}
.top-bar-right{display:flex;align-items:center;gap:5px;flex-shrink:0;justify-content:flex-end}
.top-bar-right .icon-btn{
  width:32px;height:32px;border-radius:7px;background:rgba(123,160,91,.08);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:background .2s;position:relative;color:#6B6B6B;
}
.top-bar-right .icon-btn:hover{background:rgba(123,160,91,.15)}
.top-bar-right .badge-dot{
  position:absolute;top:-2px;right:-2px;background:#C47A7A;color:#fff;
  font-size:8px;font-weight:700;min-width:14px;height:14px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;padding:0 3px;
}
.top-bar-right .user-avatar{
  width:32px;height:32px;border-radius:50%;background:#E8F0E0;
  display:flex;align-items:center;justify-content:center;font-size:13px;
  cursor:pointer;transition:background .2s;color:#6B6B6B;
}
.top-bar-right .user-avatar:hover{background:#D4E4C8}
.exp-btn{
  padding:5px 12px;border-radius:7px;font-size:11px;font-weight:600;
  background:rgba(123,160,91,.08);color:#7BA05B;transition:all .2s;
  display:flex;align-items:center;gap:4px;
}
.exp-btn:hover{background:rgba(123,160,91,.15)}

/* ===== Sidebar ===== */
.sidebar{
  width:220px;flex-shrink:0;z-index:90;
  background:linear-gradient(180deg,#F5F2ED 0%,#E8F0E0 100%);
  display:flex;flex-direction:column;
  transition:width .3s cubic-bezier(.4,0,.2,1);
  overflow:hidden;border-right:1px solid #E0DCD5;
}
.sidebar.collapsed{width:60px}

.sidebar-header{
  height:52px;display:flex;align-items:center;justify-content:flex-end;
  padding:0 10px;border-bottom:1px solid #E0DCD5;flex-shrink:0;
}
.sidebar-toggle{
  width:26px;height:26px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  color:#9A9A9A;font-size:12px;transition:all .2s;
}
.sidebar-toggle:hover{background:rgba(123,160,91,.1);color:#7BA05B}

.sidebar-nav{flex:1;overflow-y:auto;padding:6px 0}
.nav-group{margin-bottom:1px}
.nav-group-title{
  padding:6px 14px;font-size:10px;font-weight:600;color:#9A9A9A;
  text-transform:uppercase;letter-spacing:1.2px;
  white-space:nowrap;overflow:hidden;
  transition:opacity .3s ease,padding .3s ease;
}
.sidebar.collapsed .nav-group-title{opacity:0;height:0;padding:0;margin:0;overflow:hidden}

.nav-item{
  display:flex;align-items:center;gap:9px;
  padding:9px 14px;margin:1px 6px;border-radius:7px;
  color:#6B6B6B;font-size:13px;font-weight:500;
  cursor:pointer;transition:all .2s;white-space:nowrap;
  position:relative;
}
.nav-item:hover{background:rgba(123,160,91,.08);color:#3D3D3D}
.nav-item.active{
  background:rgba(123,160,91,.12);
  color:#7BA05B;font-weight:600;
}
.nav-item.active::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:0 3px 3px 0;
  background:#7BA05B;
}
.nav-item .nav-icon{width:18px;text-align:center;font-size:15px;flex-shrink:0;transition:transform .2s}
.nav-item:hover .nav-icon{transform:scale(1.05)}
.nav-item .nav-label{flex:1;overflow:hidden;text-overflow:ellipsis;transition:opacity .3s ease,max-width .3s ease}
.sidebar.collapsed .nav-label{opacity:0;max-width:0}
.sidebar.collapsed .nav-item{justify-content:center;padding:9px 0;margin:1px 4px}

.nav-sub{padding-left:40px;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.sidebar.collapsed .nav-sub{max-height:0!important;padding:0 0!important}
.nav-sub .nav-item{padding:6px 10px;font-size:12px;margin:1px 6px}

.nav-item .nav-arrow{
  font-size:9px;transition:transform .2s;flex-shrink:0;
  color:#9A9A9A;
}
.nav-item .nav-arrow.open{transform:rotate(90deg)}
.sidebar.collapsed .nav-arrow{display:none}

/* ===== Content Area ===== */
.content-area{
  flex:1;overflow-y:auto;overflow-x:hidden;
  padding:18px 22px 40px;
  background:linear-gradient(160deg,#F5F2ED 0%,#E8F0E0 100%);
  transition:padding .3s ease;
}

/* ===== Page Sections ===== */
.page-section{display:none;animation:fadeUp .3s ease both}
.page-section.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

.sec-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;padding:0 2px}
.sec-header h2{font-size:16px;font-weight:800;display:flex;align-items:center;gap:8px;color:#3D3D3D}
.sec-header .sec-icon{width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:14px}
.sec-desc{font-size:11px;color:#9A9A9A;margin-bottom:10px;padding-left:2px}

/* ===== Responsive ===== */
@media(max-width:768px){
  .sidebar{width:60px}
  .sidebar .nav-label,.sidebar .nav-group-title,.sidebar .nav-arrow{display:none}
  .sidebar .nav-item{justify-content:center;padding:9px 0;margin:1px 4px}
  .top-bar-left .sys-name{display:none}
  .content-area{padding:12px 10px 30px}
}