/* ====== Base ====== */
:root{
  --bg:#fff;
  --fg:#222;
  --muted:#666;
  --primary:#0657a3;
  --primary-ink:#fff;
  --danger:#b33;
  --border:#eee;
  --soft:#f7f9fc;
  --radius:12px;
  --shadow:0 8px 28px rgba(0,0,0,.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  margin:0;
  color:var(--fg);
  background:var(--bg);
}

/* ====== Layout ====== */
header,footer{padding:0}
main{padding:16px}
h1,h2,h3{margin:8px 0 12px}

.container{
  max-width:1120px;
  margin:0 auto;
  padding:0 16px;
}

/* ====== Controls ====== */
.form-control{
  width:100%;
  padding:10px 12px;
  border:1px solid #ddd;
  border-radius:10px;
  background:#fff;
}

.btn{
  background:var(--primary);
  color:var(--primary-ink);
  border:none;
  border-radius:10px;
  padding:10px 14px;
  cursor:pointer;
  text-decoration:none;
  display:inline-block;
  line-height:1;
  transition:transform .06s ease, filter .15s ease;
}
.btn:hover{filter:brightness(1.05)}
.btn:active{transform:translateY(1px)}
.btn-outline{
  background:#fff; color:var(--primary); border:1px solid var(--primary);
}
.btn-danger{background:var(--danger)}

/* Badges */
.badge{
  padding:2px 8px;border-radius:999px;font-size:12px;white-space:nowrap;
}
.badge.ok{background:#d8f8d8;color:#065a06}
.badge.err{background:#ffe0df;color:#8b1b13}
.badge.warn{background:#fff4d6;color:#795500}

/* ====== Table ====== */
.table-wrap{overflow:auto}
table{border-collapse:collapse;width:100%;background:#fff;border-radius:12px;overflow:hidden}
th,td{border:1px solid var(--border);padding:10px;text-align:left}
thead th{background:var(--soft);font-weight:600}

/* ====== Dropdown (desktop) ====== */
.dropdown{position:relative}
.dropdown .dropdown-menu{
  position:absolute; top:100%; left:0; min-width:220px;
  display:none; background:#fff; border:1px solid var(--border);
  border-radius:10px; padding:6px 0; z-index:20; box-shadow:var(--shadow);
}
.dropdown:hover .dropdown-menu{display:block}
.dropdown-item{
  display:block; padding:8px 12px; background:#fff; border:0; width:100%; text-align:left;
}
.dropdown-item:hover{background:var(--soft)}

/* ====== Topbar / Navbar ====== */
.topbar{
  position:sticky; top:0; z-index:50; background:#fff; border-bottom:1px solid var(--border);
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; height:56px;
}
.brand{
  display:flex; align-items:center; gap:10px; min-width:0;
}
.brand img{height:32px; width:auto; display:block}
.brand .title{font-weight:700; font-size:16px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}

.nav-links{
  display:flex; align-items:center; gap:10px;
}
.nav-links a{
  color:var(--fg); text-decoration:none; padding:8px 10px; border-radius:8px;
}
.nav-links a:hover{background:var(--soft)}
.nav-cta .btn{padding:8px 12px}

.hamburger{
  display:none;
  background:#fff; border:1px solid var(--border);
  width:40px; height:40px; border-radius:10px;
  align-items:center; justify-content:center;
}
.hamburger span{
  width:20px; height:2px; background:#333; position:relative; display:block;
}
.hamburger span::before,.hamburger span::after{
  content:""; position:absolute; left:0; width:20px; height:2px; background:#333;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* Mobile panel */
.mobile-panel{
  display:none; border-top:1px solid var(--border); background:#fff;
}
.mobile-panel.open{display:block; animation:slide .2s ease}
@keyframes slide{from{opacity:0; transform:translateY(-6px)} to{opacity:1; transform:translateY(0)}}
.mobile-menu{
  display:grid; gap:6px; padding:10px 0;
}
.mobile-menu a{
  padding:10px 12px; border-radius:10px; text-decoration:none; color:var(--fg);
}
.mobile-menu a:hover{background:var(--soft)}

/* ====== Toast ====== */
.toast{
  position:fixed; right:16px; top:16px; padding:12px 16px; border-radius:10px;
  color:#fff; z-index:9999; box-shadow:var(--shadow); font-size:14px; line-height:1.35
}
.toast.ok{background:#16a34a}
.toast.err{background:#dc2626}
.toast .x{margin-left:12px; cursor:pointer; opacity:.9}

/* ====== Responsive ====== */
@media (max-width: 860px){
  .nav-links{display:none}
  .hamburger{display:inline-flex}
  main{padding:12px}
  .container{padding:0 12px}
}
@media (max-width:640px){
  .form-control, .btn { width:100% }
  .grid-3 { display:grid; grid-template-columns:1fr; gap:10px }
}
@media (min-width:641px){
  .grid-3 { display:grid; grid-template-columns: repeat(3, 1fr); gap:10px }
}