:root{
  --bg:#f4f6fb; --surface:#ffffff; --ink:#1e2a44; --muted:#6b7793;
  --primary:#2f56d6; --primary-d:#1f3ea8; --accent:#12b886;
  --danger:#e03131; --warn:#f08c00; --line:#e6eaf2; --radius:14px;
  --shadow:0 2px 12px rgba(28,42,84,.06);
  font-family: Tahoma, "Segoe UI", system-ui, sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.7}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0 0 .6rem}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:250px;background:linear-gradient(180deg,#1f3ea8,#2f56d6);color:#fff;
  padding:1.2rem 1rem;position:sticky;top:0;height:100vh;overflow:auto;flex-shrink:0}
.brand{font-size:1.15rem;font-weight:bold;margin-bottom:.5rem}
.role-badge{display:inline-block;font-size:.72rem;background:rgba(255,255,255,.18);
  padding:.15rem .6rem;border-radius:20px;margin-bottom:1.2rem}
.menu{display:flex;flex-direction:column;gap:.25rem}
.menu a{display:flex;align-items:center;gap:.6rem;padding:.6rem .8rem;border-radius:10px;
  color:#e7ecff;transition:.15s}
.menu a:hover{background:rgba(255,255,255,.12)}
.menu a.active{background:#fff;color:var(--primary-d);font-weight:bold}
.menu a.logout{margin-top:1rem;color:#ffd8d8}
.menu .ic{font-size:1.05rem;width:1.3rem;text-align:center}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:1rem;background:var(--surface);
  padding:.8rem 1.4rem;box-shadow:var(--shadow);position:sticky;top:0;z-index:5}
.page-title{font-size:1.05rem;margin:0}
.topbar-right{margin-inline-start:auto;display:flex;align-items:center;gap:.8rem;flex-wrap:wrap}
.countdown{background:#fff4e6;color:#d9480f;padding:.25rem .7rem;border-radius:20px;font-size:.8rem}
.user-chip{background:var(--bg);padding:.25rem .7rem;border-radius:20px;font-size:.8rem}
.menu-toggle{display:none;font-size:1.3rem;background:none;border:none;cursor:pointer}
.content{padding:1.4rem;flex:1}
.foot{padding:1rem 1.4rem;color:var(--muted);font-size:.78rem;text-align:center}

/* ---------- Cards / Grid ---------- */
.grid{display:grid;gap:1rem}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.1rem;box-shadow:var(--shadow)}
.card h2{font-size:.98rem}
.stat{display:flex;flex-direction:column;gap:.2rem}
.stat .num{font-size:1.7rem;font-weight:bold;color:var(--primary)}
.stat .lbl{color:var(--muted);font-size:.82rem}
.stat .ic{font-size:1.4rem}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse}
th,td{padding:.6rem .7rem;text-align:right;border-bottom:1px solid var(--line);font-size:.85rem}
th{color:var(--muted);font-weight:600;background:#fafbfe}
tr:hover td{background:#fafbff}

/* ---------- Badges ---------- */
.badge{display:inline-block;padding:.12rem .55rem;border-radius:20px;font-size:.72rem;font-weight:600}
.badge.ok{background:#e6fcf5;color:#087f5b}
.badge.pending{background:#fff9db;color:#e67700}
.badge.fail{background:#ffe3e3;color:#c92a2a}
.badge.info{background:#e7f0ff;color:#1f3ea8}

/* ---------- Forms ---------- */
.form-row{display:flex;flex-direction:column;gap:.3rem;margin-bottom:.9rem}
label{font-size:.83rem;color:var(--muted)}
input,select,textarea{width:100%;padding:.6rem .7rem;border:1px solid var(--line);
  border-radius:10px;font-family:inherit;font-size:.9rem;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #d0dbff;border-color:var(--primary)}
textarea{min-height:90px;resize:vertical}
.btn{display:inline-flex;align-items:center;gap:.4rem;background:var(--primary);color:#fff;
  border:none;padding:.6rem 1.2rem;border-radius:10px;font-family:inherit;font-size:.9rem;
  cursor:pointer;transition:.15s}
.btn:hover{background:var(--primary-d)}
.btn.ghost{background:#eef2ff;color:var(--primary-d)}
.btn.accent{background:var(--accent)}
.btn.danger{background:var(--danger)}
.btn.sm{padding:.35rem .8rem;font-size:.8rem}
.row-inline{display:flex;gap:.7rem;flex-wrap:wrap}
.row-inline>*{flex:1;min-width:120px}

/* ---------- Alerts ---------- */
.alert{padding:.7rem 1rem;border-radius:10px;margin-bottom:1rem;font-size:.86rem}
.alert-success{background:#e6fcf5;color:#087f5b;border:1px solid #96f2d7}
.alert-error{background:#ffe3e3;color:#c92a2a;border:1px solid #ffc9c9}
.alert-info{background:#e7f0ff;color:#1f3ea8;border:1px solid #bacbff}

/* ---------- Misc ---------- */
.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.muted{color:var(--muted)}
.mt{margin-top:1.2rem}
.empty{padding:2rem;text-align:center;color:var(--muted)}
.chip-list{display:flex;gap:.4rem;flex-wrap:wrap}
.chip{background:var(--bg);padding:.2rem .6rem;border-radius:8px;font-size:.78rem}
.bar-chart{display:flex;align-items:flex-end;gap:.5rem;height:140px;padding-top:.5rem}
.bar-chart .bar{flex:1;background:linear-gradient(180deg,#4c6ef5,#2f56d6);border-radius:6px 6px 0 0;
  min-height:4px;position:relative}
.bar-chart .bar span{position:absolute;top:-1.2rem;left:0;right:0;text-align:center;font-size:.7rem}
.bar-chart .bar small{position:absolute;bottom:-1.3rem;left:0;right:0;text-align:center;font-size:.7rem;color:var(--muted)}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;
  background:linear-gradient(135deg,#1f3ea8,#2f56d6)}
.login-card{background:#fff;border-radius:18px;padding:2rem;width:min(400px,92vw);box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-card h1{text-align:center;font-size:1.3rem}
.login-sub{text-align:center;color:var(--muted);margin-bottom:1.4rem;font-size:.85rem}
.demo-box{margin-top:1.2rem;font-size:.78rem;color:var(--muted);background:var(--bg);padding:.8rem;border-radius:10px}
.demo-box b{color:var(--ink)}

@media(max-width:820px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .menu-toggle{display:block}
  .sidebar{position:fixed;inset-inline-start:0;transform:translateX(100%);z-index:50;transition:.2s}
  .sidebar.open{transform:translateX(0)}
}