:root{
  --bg:#f4f7fb;
  --bg2:#eef3ff;
  --card:#ffffff;
  --sidebar:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --primary:#2563eb;
  --primary2:#3b82f6;
  --danger:#ef4444;
  --success:#10b981;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow2:0 16px 40px rgba(15,23,42,.10);
  --radius:16px;
}

body.theme-dark{
  --bg:#0b1220;
  --bg2:#0b1220;
  --card:#111b2e;
  --sidebar:#0f1a2d;
  --text:#eaf0ff;
  --muted:#9bb0d1;
  --line:#223253;
  --primary:#4aa3ff;
  --primary2:#5ab0ff;
  --danger:#ff4a6b;
  --success:#31d0aa;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow2:0 16px 40px rgba(0,0,0,.45);
}

*{box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial}
html,body{height:100%}
body{
  margin:0;
  background:linear-gradient(180deg,var(--bg2),var(--bg));
  color:var(--text);
}

a{color:inherit;text-decoration:none}
.small{font-size:12px}
.muted{color:var(--muted)}
.w-100{width:100%}

/* Shell */
.shell{
  min-height:100vh;
  display:flex;
  flex-direction:row-reverse; /* sidebar on the right for RTL */
}

.sidebar{
  width:280px;
  background:rgba(255,255,255,.75);
  background:var(--sidebar);
  border-left:1px solid var(--line);
  padding:14px 14px 16px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.sidebar-top{display:flex;flex-direction:column;gap:10px}
.sys-name{
  font-weight:900;
  font-size:18px;
  letter-spacing:.2px;
  text-align:right;
}

.user-pill{
  display:flex;
  align-items:center;
  gap:8px;
  justify-content:flex-end;
}
.role-badge{
  font-size:11px;
  padding:3px 8px;
  border-radius:999px;
  background:rgba(37,99,235,.12);
  color:var(--primary);
  border:1px solid rgba(37,99,235,.18);
}

.nav{display:flex;flex-direction:column;gap:6px;margin-top:4px}
.nav-item{
  padding:10px 12px;
  border-radius:12px;
  display:flex;
  align-items:center;
  gap:10px;
  justify-content:flex-start;
  background:transparent;
  border:1px solid transparent;
}
.nav-item:hover{background:rgba(37,99,235,.06);border-color:rgba(37,99,235,.10)}
.nav-item.active{
  background:rgba(37,99,235,.10);
  border-color:rgba(37,99,235,.20);
  box-shadow:0 8px 22px rgba(37,99,235,.12);
}

.sidebar-bottom{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.theme-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:rgba(0,0,0,.02)}
body.theme-dark .theme-row{background:rgba(255,255,255,.03)}
.theme-label{font-size:12px;color:var(--muted)}
.theme-icon{font-size:14px;opacity:.9}

/* Toggle */
.toggle{
  width:46px;height:26px;border-radius:999px;border:1px solid var(--line);
  background:rgba(0,0,0,.06);position:relative;cursor:pointer;
  display:inline-flex;align-items:center;padding:2px;
}
body.theme-dark .toggle{background:rgba(255,255,255,.10)}
.toggle-knob{
  width:20px;height:20px;border-radius:50%;
  background:var(--card);box-shadow:var(--shadow);
  transform:translateX(0);
  transition:transform .18s ease;
}
body.theme-dark .toggle-knob{transform:translateX(-20px)}

/* Main */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.header{
  padding:16px 20px;
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:10px;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.55);
  background:var(--card);
  position:sticky;top:0;z-index:10;
}
.header-title{font-size:26px;font-weight:900;line-height:1.1}
.header-sub{font-size:13px;color:var(--muted);margin-top:4px}
.content{padding:18px 20px}

/* Components */
.toast{
  padding:12px 14px;
  border-radius:14px;
  background:rgba(37,99,235,.10);
  border:1px solid rgba(37,99,235,.18);
  margin-bottom:12px;
}
.alert{padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:rgba(0,0,0,.03)}

.alert-warn{background:rgba(255,204,102,.16);border-color:rgba(255,204,102,.28);color:#b45309}

.alert-danger{background:rgba(239,68,68,.10);border-color:rgba(239,68,68,.20);color:var(--danger)}

.btn{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--card);
  cursor:pointer;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn:hover{box-shadow:var(--shadow)}
.btn-primary{background:linear-gradient(90deg,var(--primary),var(--primary2));border-color:transparent;color:#fff}
.btn-ghost{background:transparent}
.input, input, select{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text);
  outline:none;
}
label{display:block;margin:10px 0 6px;font-weight:700}

.page-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 14px;flex-wrap:wrap}
.page-head h1{display:none} /* title handled by header */
.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;inset:-40px -60px auto auto;
  width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%, rgba(37,99,235,.20), transparent 60%);
  transform:rotate(18deg);
}
.card:nth-child(2)::before{background:radial-gradient(circle at 30% 30%, rgba(16,185,129,.20), transparent 60%)}
.card:nth-child(3)::before{background:radial-gradient(circle at 30% 30%, rgba(139,92,246,.18), transparent 60%)}
.card-label{color:var(--muted);font-weight:800}
.card-value{font-size:28px;font-weight:900;margin-top:10px}
.pos{color:var(--success)}
.neg{color:var(--danger)}

.panel{
  margin-top:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:14px;
}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.panel-title{font-weight:900}
.panel-actions{display:flex;gap:10px;flex-wrap:wrap}

.badge{padding:6px 10px;border-radius:999px;font-weight:900;font-size:12px;border:1px solid var(--line)}
.badge-green{background:rgba(16,185,129,.12);border-color:rgba(16,185,129,.20);color:var(--success)}
.badge-red{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.20);color:var(--danger)}

/* Table */
.table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:14px;border:1px solid var(--line);background:var(--card)}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:right}
.table th{background:rgba(0,0,0,.03);font-weight:900}
body.theme-dark .table th{background:rgba(255,255,255,.04)}
.table tr:last-child td{border-bottom:none}
.row-actions{display:flex;gap:8px;flex-wrap:wrap}
.kpi{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* Auth */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px}
.auth-wrap{width:min(520px,100%);padding:0 12px}
.auth-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow2);
  padding:22px;
}
.auth-title{font-size:28px;font-weight:1000;margin:0 0 8px;text-align:center}
.auth-sub{color:var(--muted);text-align:center;margin-bottom:14px}
.ver{opacity:.7;text-align:center;margin-top:8px}

/* Responsive */
@media (max-width: 980px){
  .sidebar{width:240px}
  .cards{grid-template-columns:1fr}
  .header-title{font-size:22px}
}
@media (max-width: 760px){
  .shell{flex-direction:column}
  .sidebar{width:auto;border-left:0;border-bottom:1px solid var(--line)}
}

.disabled{opacity:.55;pointer-events:none;}