:root{
    --bg:#e9e9e9;
    --panel:#ffffff;
    --sidebar:#34425e;
    --sidebar-dark:#2d3850;
    --sidebar-line:#263249;
    --cyan:#12b7cf;
    --cyan-dark:#0aa4ba;
    --blue:#2266d6;
    --green:#16a05d;
    --red:#f23c4b;
    --orange:#ff9f1c;
    --purple:#6b42d6;
    --text:#20283a;
    --muted:#8b94a7;
    --border:#e4e7ed;
    --shadow:0 14px 30px rgba(42,50,70,.08);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.app-shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh;padding:54px 70px;gap:0;background:#dedede}
.sidebar{background:var(--sidebar);color:#fff;box-shadow:var(--shadow);min-height:calc(100vh - 108px);position:sticky;top:54px;align-self:start;z-index:20}
.brand{height:54px;background:#303b54;display:flex;align-items:center;gap:8px;padding:0 18px;letter-spacing:2px;font-size:12px}
.brand span:not(.brand-dot){color:#fff;opacity:.9}
.brand-dot{width:10px;height:10px;background:var(--cyan);border-radius:999px;display:inline-block;box-shadow:0 0 0 5px rgba(18,183,207,.16)}
.menu-toggle,.top-menu{border:0;background:transparent;color:#fff;font-size:20px;cursor:pointer;padding:0;margin-right:4px}
.profile-card{text-align:center;padding:28px 14px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.avatar{width:82px;height:82px;border-radius:999px;background:var(--cyan);display:grid;place-items:center;margin:0 auto 14px;color:#fff;font-size:44px;box-shadow:0 10px 22px rgba(18,183,207,.26)}
.profile-card b{display:block;font-size:14px;margin-bottom:8px;letter-spacing:.5px}.profile-card small{font-weight:800;color:var(--cyan);font-size:11px;letter-spacing:2px}
.side-menu a{height:44px;display:flex;align-items:center;gap:11px;padding:0 24px;border-bottom:1px solid var(--sidebar-line);font-size:14px;font-weight:700;letter-spacing:2px;color:#e9edf6;transition:.2s}
.side-menu a:hover,.side-menu a.active{background:var(--cyan);color:#fff}.side-menu i{width:18px;text-align:center;font-size:13px}
.main{background:#f1f1f1;min-height:calc(100vh - 108px);box-shadow:var(--shadow)}
.topbar{height:54px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:18px;padding:0 28px}.top-menu{display:none;color:#303b54}.searchbox{width:300px;height:30px;border:1px solid #cbd1dc;background:#fff;display:flex;align-items:center;padding:0 10px;gap:8px;color:#a3acbb}.searchbox input{border:0;outline:0;width:100%;font-size:13px}.top-links{margin-left:auto;display:flex;align-items:center;gap:14px;color:#a0a6b4;font-size:13px;letter-spacing:2px}.top-links span:nth-child(2){height:22px;width:1px;background:#d1d6de}.page-title{background:var(--sidebar-dark);color:#fff;min-height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 28px}.page-title h1{font-size:15px;letter-spacing:3px;text-transform:uppercase;margin:0}.page-title p{margin:5px 0 0;color:#b8c4db;font-size:12px}
.content{padding:26px}.grid{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid #eef0f4;box-shadow:0 4px 10px rgba(32,40,58,.03);padding:24px}.card h2,.card h3{margin:0 0 6px}.card p{color:#8b94a7;line-height:1.55}.metric{position:relative;overflow:hidden;min-height:134px}.metric .icon{position:absolute;right:22px;top:18px;font-size:42px;color:rgba(18,183,207,.18)}.metric .label{font-size:15px;font-weight:900}.metric .hint{font-size:11px;color:#aeb5c3;margin:7px 0 18px}.metric .value{font-size:34px;font-weight:900;color:var(--cyan);letter-spacing:-1px}.metric.green .value{color:var(--green)}.metric.red .value{color:var(--red)}.metric.orange .value{color:var(--orange)}.progress{height:18px;background:#eceff4;overflow:hidden;margin:8px 0;display:flex}.progress b{display:block;background:var(--cyan)}.progress.red b{background:var(--red)}.progress.orange b{background:var(--orange)}
.btn{border:0;background:var(--cyan);color:#fff;padding:12px 18px;border-radius:2px;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;gap:8px;justify-content:center;transition:.2s}.btn:hover{filter:brightness(.95);transform:translateY(-1px)}.btn.dark{background:var(--sidebar-dark)}.btn.green{background:var(--green)}.btn.red{background:var(--red)}.btn.orange{background:var(--orange)}.btn.outline{background:#fff;color:var(--sidebar-dark);border:1px solid #cfd5df}.btn.full{width:100%}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field label{display:block;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:1px;color:#6a7282;margin-bottom:8px}.field input,.field select,.field textarea{width:100%;border:1px solid #d7dce5;background:#fff;padding:12px 13px;outline:0;color:#243047}.field textarea{min-height:120px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(18,183,207,.14)}.span-2{grid-column:span 2}.table-wrap{overflow:auto;background:#fff;border:1px solid #edf0f5}.table{width:100%;border-collapse:collapse;min-width:860px}.table th{background:#fbfcfe;color:#657085;font-size:12px;letter-spacing:1px;text-align:left;text-transform:uppercase}.table th,.table td{padding:14px 16px;border-bottom:1px solid #edf0f5}.table td{font-size:14px}.badge{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.7px}.badge-info{background:#e4f9fc;color:#0a91a5}.badge-warning{background:#fff5d9;color:#b87400}.badge-success{background:#e7f8ef;color:#0d8c4b}.badge-primary{background:#e9efff;color:#2659c7}.badge-danger{background:#ffe5e8;color:#cb2635}.badge-muted{background:#eef0f4;color:#778195}.alert{margin:18px 26px 0;padding:14px 16px;font-weight:800;border-left:5px solid}.alert.success{background:#e7f8ef;color:#0d8c4b;border-color:#0d8c4b}.alert.danger{background:#ffe8eb;color:#c52b39;border-color:#c52b39}.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.photo-grid img{width:100%;height:120px;object-fit:cover;border:1px solid #e1e5ec;background:#fff}.chat-box{max-height:420px;overflow:auto;background:#f7f8fb;border:1px solid #e3e7ee;padding:16px}.message{max-width:78%;margin:0 0 12px;padding:12px 14px;background:#fff;border:1px solid #e3e7ee}.message.mine{margin-left:auto;background:#e5fbff;border-color:#b8edf5}.message b{display:block;font-size:12px;margin-bottom:4px}.message small{display:block;color:#8c95a8;margin-top:6px;font-size:11px}.mobile-work{max-width:560px;margin:0 auto}.timer{font-size:52px;font-weight:900;text-align:center;color:var(--cyan);letter-spacing:-2px;margin:20px 0}.status-line{display:flex;align-items:center;gap:10px;justify-content:center;color:#717b90;font-weight:800}.offline-dot{width:12px;height:12px;border-radius:999px;background:var(--green)}.offline-dot.off{background:var(--orange)}.work-button{height:70px;font-size:18px;text-transform:uppercase}.login-main{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#303b54,#12b7cf)}.login-card{width:min(430px,calc(100% - 32px));background:#fff;padding:34px;box-shadow:0 28px 70px rgba(0,0,0,.23)}.login-card .logo{display:flex;align-items:center;gap:12px;margin-bottom:22px}.login-card .logo span{width:48px;height:48px;background:var(--cyan);border-radius:999px;display:grid;place-items:center;color:#fff;font-size:22px}.login-card h1{margin:0;font-size:23px}.login-card p{color:#8b94a7}.install-box{max-width:900px;margin:40px auto;background:#fff;padding:30px;border:1px solid #e3e7ee}.hero{background:linear-gradient(135deg,#2f3b55,#12b7cf);color:#fff;padding:34px;display:flex;justify-content:space-between;gap:20px;align-items:center}.hero h2{font-size:32px;margin:0 0 12px}.hero p{color:#e7fbff;margin:0}.mini-list{display:grid;gap:10px}.mini-row{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #edf0f5;padding:10px 0;gap:12px}.empty{padding:30px;text-align:center;color:#8b94a7;background:#fff;border:1px dashed #d9dee8}
@media(max-width:1100px){.app-shell{padding:0;grid-template-columns:240px 1fr}.sidebar{min-height:100vh;top:0}.main{min-height:100vh}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.app-shell{display:block}.sidebar{position:fixed;left:-260px;top:0;bottom:0;width:240px;min-height:100vh;transition:.2s}.sidebar.open{left:0}.main{min-height:100vh}.top-menu{display:inline-flex}.topbar{padding:0 14px}.searchbox{display:none}.top-links{letter-spacing:0;font-size:12px}.content{padding:16px}.grid-2,.grid-3,.grid-4,.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.page-title{padding:12px 16px}.page-title h1{font-size:14px}.card{padding:18px}.hero{display:block;padding:24px}.hero h2{font-size:25px}.timer{font-size:44px}.app-shell.sidebar-active:after{content:'';position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:10}}