/* ============ KEKEH THEME (yellow & black) v2 ============ */
:root{
  --yellow:#F5B700; --yellow-dark:#D9A300; --black:#111111; --black-soft:#2B2B2B;
  --bg:#F4F4F5; --white:#FFF; --green:#16A34A; --red:#DC2626;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',Tahoma,Arial,sans-serif;background:var(--bg);color:var(--black)}
a{text-decoration:none}

.btn{display:inline-block;padding:12px 20px;border:none;border-radius:8px;font-size:15px;font-weight:700;cursor:pointer;text-align:center}
.btn-yellow{background:var(--yellow);color:var(--black)}
.btn-yellow:hover{background:var(--yellow-dark)}
.btn-red{background:var(--red);color:#fff}
.btn-block{width:100%}

.alert{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px;font-weight:600}
.alert-red{background:#FEE2E2;color:var(--red)}
.alert-green{background:#DCFCE7;color:var(--green)}

/* LOGIN */
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--black);padding:20px}
.login-card{width:100%;max-width:400px;background:var(--white);border-radius:14px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.login-header{background:var(--yellow);padding:26px 20px;text-align:center}
.login-logo{font-size:44px}
.login-header h1{font-size:20px;margin-top:6px;color:var(--black)}
.login-header p{font-size:13px;color:var(--black-soft);margin-top:2px}
.login-body-inner{padding:26px 24px}
.login-body-inner label{display:block;font-size:13px;font-weight:700;margin:0 0 6px}
.login-body-inner input{width:100%;padding:12px;border:2px solid #E5E7EB;border-radius:8px;font-size:15px;margin-bottom:16px}
.login-body-inner input:focus{outline:none;border-color:var(--yellow)}
.login-footer{background:var(--black);color:#9CA3AF;text-align:center;font-size:12px;padding:10px}

/* LAYOUT: SIDEBAR + MAIN */
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--black);flex-shrink:0;padding-bottom:20px}
.side-brand{padding:18px 20px;color:var(--yellow);font-weight:800;font-size:16px;border-bottom:1px solid #2B2B2B;margin-bottom:12px}
.sidebar .menu{display:flex;align-items:center;gap:10px;padding:13px 20px;color:#D1D5DB;font-weight:600;font-size:15px}
.sidebar .menu:hover{background:var(--black-soft);color:var(--yellow)}
.sidebar .menu.active{background:var(--yellow);color:var(--black)}
.main{flex:1;min-width:0}
.topbar{background:var(--black);color:#fff;display:flex;align-items:center;gap:12px;padding:14px 22px}
.topbar .brand{font-weight:800;font-size:17px}
.topbar .user{font-size:14px;color:#D1D5DB;margin-left:auto}
.yellow-stripe{height:6px;background:var(--yellow)}
.page{padding:26px;max-width:1200px;margin:0 auto}

/* HAMBURGER (mobile) */
.hamburger{display:none;background:var(--yellow);border:none;border-radius:8px;padding:6px 12px;font-size:20px;line-height:1;cursor:pointer;color:var(--black)}
.overlay{display:none}

/* CARDS & STATS */
.card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:20px}
.stat-card{background:#fff;border-radius:12px;padding:18px 20px;box-shadow:0 2px 10px rgba(0,0,0,.06);border-top:4px solid var(--yellow)}
.stat-card.red{border-top-color:var(--red)}
.stat-card .label{font-size:13px;color:#6B7280;font-weight:700}
.stat-card .value{font-size:26px;font-weight:800;margin-top:6px}
.stat-card.red .value{color:var(--red)}

/* BADGES */
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;color:#fff}
.badge.green{background:var(--green)}
.badge.yellow{background:var(--yellow);color:var(--black)}
.badge.red{background:var(--red)}

/* TABLES */
.table{width:100%;border-collapse:collapse}
.table th{text-align:left;padding:12px 14px;background:var(--black);color:var(--yellow);font-size:13px}
.table td{padding:12px 14px;border-bottom:1px solid #EEE;font-size:14px}
.table tr:last-child td{border-bottom:none}

/* SIMPLE BAR CHART */
.chart{display:flex;align-items:flex-end;gap:14px;height:200px;padding:0 6px 26px}
.chart .bar{flex:1;background:var(--yellow);border-radius:6px 6px 0 0;min-height:4px;position:relative}
.chart .bar:hover{background:var(--yellow-dark)}
.chart .bar span{position:absolute;bottom:-22px;left:0;right:0;text-align:center;font-size:11px;color:#6B7280;font-weight:600}

/* FORMS */
.form label{display:block;font-size:13px;font-weight:700;margin:0 0 6px}
.form input,.form select,.form textarea{width:100%;padding:11px;border:2px solid #E5E7EB;border-radius:8px;font-size:15px;margin-bottom:14px;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--yellow)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ============ MOBILE ============ */
@media(max-width:900px){
  .hamburger{display:block}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:230px;transform:translateX(-100%);transition:transform .25s ease;z-index:60;overflow-y:auto}
  body.nav-open .sidebar{transform:translateX(0)}
  .overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:50}
  body.nav-open .overlay{display:block}
  .page{padding:14px}
  .card{overflow-x:auto}
  .form .row{grid-template-columns:1fr}
  .topbar{padding:12px 14px}
  .topbar .brand{font-size:15px}
  .stats{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .stats{grid-template-columns:1fr}
}