:root{
  --green:#0f7a4b;
  --green-dark:#0b5c39;
  --green-light:#e6f6ee;
  --white:#ffffff;
  --gray-bg:#f4f6f5;
  --text:#1e2a26;
  --border:#e2e8e5;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Segoe UI',Tahoma,Arial,sans-serif;
  background:var(--gray-bg);
  color:var(--text);
}
a{text-decoration:none;color:inherit;}
.app{min-height:100vh;}

/* TOPBAR */
.topbar{
  height:56px;
  background:var(--green-dark);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  position:sticky;
  top:0;
  z-index:20;
}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:14px;}
.burger{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;display:none;}
.balance{background:rgba(255,255,255,.12);padding:6px 12px;border-radius:6px;font-weight:600;}
.btn-topup{background:#fff;color:var(--green-dark);padding:6px 14px;border-radius:20px;font-weight:600;font-size:14px;}
.topbar-link{font-size:14px;opacity:.9;}
.topbar-icon{font-size:18px;}
.topbar-lang{font-size:14px;opacity:.9;}
.topbar-id{font-size:13px;background:rgba(255,255,255,.1);padding:5px 10px;border-radius:6px;}

/* LAYOUT WITH SIDEBAR */
.layout{display:flex;}
.sidebar{
  width:250px;
  background:#fff;
  min-height:calc(100vh - 56px);
  border-right:1px solid var(--border);
  padding:18px 0;
}
.sidebar-logo{
  font-size:20px;font-weight:800;color:var(--green-dark);
  padding:0 20px 18px;letter-spacing:.5px;
}
.sidebar-logo span{color:var(--green);}
.sidebar-title{
  font-size:11px;color:#8a9a94;font-weight:700;letter-spacing:.5px;
  padding:16px 20px 6px;
}
.sidebar-section{display:flex;flex-direction:column;}
.sidebar-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 20px;color:#33443d;font-size:14.5px;
  border-left:3px solid transparent;
}
.sidebar-link:hover{background:var(--green-light);}
.sidebar-link.active{background:var(--green-light);color:var(--green-dark);border-left:3px solid var(--green);font-weight:600;}
.sidebar-link i{font-style:normal;width:18px;text-align:center;}

.content{flex:1;padding:26px;max-width:1100px;}

/* CARDS */
.card{
  background:#fff;border:1px solid var(--border);border-radius:10px;
  padding:20px;margin-bottom:20px;
}
.card h2, .card h3{margin-top:0;}
.grid{display:grid;gap:16px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:900px){.grid-3,.grid-2{grid-template-columns:1fr;}}

.stat-box{
  background:#fff;border:1px solid var(--border);border-radius:10px;
  padding:18px;text-align:left;
}
.stat-box .num{font-size:26px;font-weight:800;color:var(--green-dark);}
.stat-box .label{color:#77897f;font-size:13px;margin-top:4px;}

/* FORMS */
label{display:block;font-size:13px;margin:10px 0 5px;font-weight:600;color:#33443d;}
input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;
  outline:none;transition:.15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--green);}
.btn{
  display:inline-block;background:var(--green);color:#fff;border:none;
  padding:10px 20px;border-radius:8px;font-weight:600;cursor:pointer;font-size:14px;
}
.btn:hover{background:var(--green-dark);}
.btn-outline{background:#fff;color:var(--green-dark);border:1px solid var(--green);}
.btn-secondary{background:#eef2f0;color:#33443d;}

/* TABLE */
table{width:100%;border-collapse:collapse;}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:14px;}
th{color:#77897f;font-weight:600;font-size:12.5px;text-transform:uppercase;}

/* BADGES */
.badge{padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;}
.badge-gray{background:#eef1f0;color:#5a6b64;}
.badge-blue{background:#e8f0fe;color:#1a56c2;}
.badge-orange{background:#fff3e0;color:#b16a00;}
.badge-green{background:var(--green-light);color:var(--green-dark);}
.badge-red{background:#fde8e8;color:#c0261f;}

/* AUTH PAGES */
.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--green-dark),var(--green));
}
.auth-box{
  background:#fff;padding:36px;border-radius:14px;width:380px;max-width:92vw;
  box-shadow:0 20px 50px rgba(0,0,0,.2);
}
.auth-box h1{color:var(--green-dark);font-size:22px;margin-bottom:4px;}
.auth-box p.sub{color:#77897f;font-size:13px;margin-bottom:20px;}
.auth-switch{text-align:center;margin-top:16px;font-size:13.5px;}
.auth-switch a{color:var(--green-dark);font-weight:600;}
.btn-google{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;
  background:#fff;font-weight:600;cursor:pointer;margin-top:10px;
}
.divider{display:flex;align-items:center;gap:10px;margin:16px 0;color:#a3b3ac;font-size:12px;}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--border);}

.alert{padding:10px 14px;border-radius:8px;font-size:13.5px;margin-bottom:14px;}
.alert-error{background:#fde8e8;color:#c0261f;}
.alert-success{background:var(--green-light);color:var(--green-dark);}

@media(max-width:800px){
  .sidebar{position:fixed;left:-260px;top:56px;z-index:30;transition:.2s;box-shadow:0 0 20px rgba(0,0,0,.1);}
  .sidebar.open{left:0;}
  .burger{display:block;}
  .topbar-link,.topbar-lang{display:none;}
}