:root{
  --bg:#0f1118;
  --card:#171a22;
  --surface:#1d2130;
  --text:#e8f0ff;
  --muted:#9aa4b2;
  --accent:#2ee6a6;
  --accent2:#4c8dff;
  --danger:#ff4d57;
  --border:#2a2f3e;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--accent2);text-decoration:none} a:hover{opacity:.9}

.header{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;background:rgba(15,17,24,.75);
  border-bottom:1px solid var(--border); backdrop-filter: blur(8px);
}
.header .brand{font-weight:700;letter-spacing:.4px}
.header .row{display:flex;gap:10px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:999px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--border); color:var(--text);
  font-size:13px; line-height:1;
}
.badge.on{background:linear-gradient(180deg,rgba(46,230,166,.18),rgba(46,230,166,.06)); border-color:rgba(46,230,166,.35)}

.container{max-width:1100px;margin:22px auto;padding:0 16px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.kpi{display:inline-block;margin-right:16px;color:var(--muted)}

.card{
  background:linear-gradient(180deg,var(--card),var(--surface));
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:0 12px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.03);
  padding:18px 18px;
}

.table{width:100%;border-collapse:separate;border-spacing:0 10px}
.table th,.table td{padding:12px 14px;text-align:left}
.table tr{background:var(--surface);border:1px solid var(--border)}
.table tr:first-child{background:transparent;border:none}
.table tr td:first-child,.table tr th:first-child{border-top-left-radius:12px;border-bottom-left-radius:12px}
.table tr td:last-child,.table tr th:last-child{border-top-right-radius:12px;border-bottom-right-radius:12px}

input, select, button{
  font:inherit;color:var(--text);
  border:1px solid var(--border);
  background:linear-gradient(180deg,#1f2434,#1a1f2c);
  border-radius:12px;
  padding:10px 12px; outline:none;
  transition:.15s ease;
}
input::placeholder{color:#71809a}
input:focus, select:focus{
  border-color:rgba(76,141,255,.7);
  box-shadow:0 0 0 4px rgba(76,141,255,.18), inset 0 1px 0 rgba(255,255,255,.06);
}
label{display:block;margin:6px 0 6px 2px;color:var(--muted);font-size:13px}

.btn{cursor:pointer}
.btn.primary{background:linear-gradient(180deg,#26c893,#0fb988); border-color:rgba(46,230,166,.55); font-weight:600}
.btn.primary:hover{filter:brightness(1.02)}
.btn.ghost{background:transparent}
.btn.small{padding:8px 10px;font-size:.92rem}
.btn.danger{background:linear-gradient(180deg,#ff5b6b,#d94154); border-color:#ff5b6b}

.live-list{display:flex;flex-direction:column;gap:8px}
.live-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px 12px;color:var(--text)}

.alert{padding:10px 12px;border-radius:12px}
.alert.error{background:rgba(255,77,87,.12); border:1px solid rgba(255,77,87,.45)}
.muted{color:var(--muted)}

.login-bg{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(1200px 600px at 10% -10%, rgba(76,141,255,.14), transparent 60%), radial-gradient(900px 500px at 110% 110%, rgba(46,230,166,.16), transparent 60%), var(--bg)}
.card h1,h2,h3{margin:6px 0 12px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
code{background:#0c0f16;border:1px solid var(--border);padding:2px 6px;border-radius:8px}

/* --- KPI Cards --- */
.kpi-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin:8px 0}
.kpi-card{
  grid-column: span 3;
  display:flex;align-items:center;gap:14px;
  background:linear-gradient(180deg,#1b2130,#161b27);
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px 18px;
  box-shadow:0 10px 24px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.04);
}
.kpi-card .ico{font-size:28px;line-height:1}
.kpi-card .meta{display:flex;flex-direction:column;line-height:1.2}
.kpi-card .meta .label{font-size:13px;color:var(--muted)}
.kpi-card .meta .value{font-size:28px;font-weight:800;color:var(--text)}
@media (max-width:900px){ .kpi-card{grid-column: span 6} }
@media (max-width:600px){ .kpi-card{grid-column: span 12} }

/* Responsive chart wrapper */
.responsive-chart{ position:relative; width:100%; height:360px; }
@media (max-width:900px){ .responsive-chart{ height:300px; } }
@media (max-width:600px){ .responsive-chart{ height:260px; } }
/* Make canvas fill its wrapper */
.responsive-chart > canvas{ position:absolute; inset:0; width:100% !important; height:100% !important; }
.card{ overflow:visible; }
/* --- Modal (closed by default, open via .open) --- */
.modal{
  display:none; position:fixed; inset:0;
  background:rgba(0,0,0,.55);
  align-items:center; justify-content:center;
  z-index:9999;
}
.modal.open{ display:flex; }
.modal .card{ max-width:520px; width:92%; }
body.modal-open{ overflow:hidden; }

/* --- Cards spacing (avoid sticking) --- */
.container > .card + .card, .card + .card { margin-top:16px; }
.row { row-gap: 10px; } /* preserve vertical gap on wrap */

/* --- Smaller variant for action buttons (ensure compact) --- */
.btn.small{ padding:6px 10px; font-size:.9rem; border-radius:12px; }