:root{
  --bg: #0b1220;
  --panel: #101a2f;
  --muted: #8fa3c7;
  --text: #eaf0ff;
  --border: rgba(255,255,255,0.10);

  --accent: #7d50cb;
  --accent-2: #0a5d28;
  --danger: #f40000;

  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 14px;
}

/* reset */
*{ box-sizing: border-box; }
html, body{ height: 100;}
body{
  margin: 0;
  font-family:ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% 10%, #121f3c 0%, var(--bg) 55%);
  color: var(--text);
}

.container{
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(11,18,32,0.65);
}

/* header layout */

.header-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

/* brand logo */
.brand{
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark{
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(79,140,255,0.18);
  border: 1px solid rgba(79,140,255,0.35);
}

/* brand text */
.brand-text h1{
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.2px;
}
.brand-text p{
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* navigation */

.nav{
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-link{
  color: var(--text);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.nav-link:hover{
  border-color: var(--border);
  background: rgba(255,255,255,0.04);
}
.nav-link.active{
  border-color: rgba(79,140,255,0.35);
  background: rgba(79,140,255,0.12);
}
.nav-primary{
  background: rgba(34,197,94,0.14);
  border-color: rgba(34,197,94,0.35);
}
.nav-primary:hover{
  background: rgba(34,197,94,0.20);
}

  /* panels */

.panel{
  margin: 22px 0 40px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-header{
  padding: 18px 18px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}
.panel-header h2{
  margin: 0;
  font-size: 18px;
}
.panel-actions{
  display: flex;
  gap: 10px;
  align-items: center;
}

/* padding for app content */
#app{
  padding: 18px;
}

/* horizontal divider */
.hr{
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.table-wrap{
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

/* tables */

table{
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

thead th{
  position: sticky;
  top: 0;
  background: rgba(16,26,47,0.95);
  text-align: left;
  font-size: 12px;
  color: var(--muted);
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
}

tbody td{
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

tbody tr:hover{
  background: rgba(255,255,255,0.03);
}

/* badges and buttons */

.badge{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255,255,255,0.03);
}

.btn{
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  font: inherit;
  color: var(--text);
  background: rgba(255,255,255,0.05);
}
.btn:hover{ background: rgba(255,255,255,0.08); }
.btn:disabled{
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-sm{ padding: 8px 10px; border-radius: 10px; font-size: 13px; }

.btn-ghost{
  background: transparent;
  border-color: var(--border);
}
.btn-ghost:hover{
  background: rgba(255,255,255,0.04);
}

.btn-success{
  background: rgba(34,197,94,0.18);
  border-color: rgba(34,197,94,0.35);
}
.btn-success:hover{
  background: rgba(34,197,94,0.24);
}

.btn-danger{
  background: rgba(244,0,0,0.12);
  border-color: rgba(244,0,0,0.35);
}
.btn-danger:hover{
  background: rgba(244,0,0,0.18);
}

/* form */

.form{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.field{
  display: flex;
  flex-direction: column;
  gap: 6px;
}
label{ font-size: 13px; color: var(--muted); }
input, select{
  width: 100%;
  background: rgba(0,0,0,0.18);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
}
input:focus, select:focus{
  outline: none;
  border-color: rgba(125,80,203,0.6);
  box-shadow: 0 0 0 3px rgba(125,80,203,0.15);
}

.help{ font-size: 12px; color: var(--muted); }
.small{ font-size: 13px; color: var(--muted); }
.error{
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(244,0,0,0.35);
  background: rgba(244,0,0,0.10);
}

.full{ grid-column: 1 / -1; }

/* KPIs */

.kpi-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.kpi{
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255,255,255,0.03);
}
.kpi-label{ color: var(--muted); font-size: 12px; }
.kpi-value{ font-size: 22px; margin-top: 4px; }

/* toasts */

#toast-region{
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 50;
}

.toast{
  width: min(340px, calc(100vw - 32px));
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(16,26,47,0.95);
  box-shadow: var(--shadow);
  padding: 12px 12px 10px;
  transform: translateY(-10px);
  opacity: 0;
  transition: 160ms ease;
}
.toast.show{
  transform: translateY(0);
  opacity: 1;
}
.toast-title{ font-weight: 700; font-size: 13px; }
.toast-message{ color: var(--muted); font-size: 13px; margin-top: 3px; }
.toast-success{ border-color: rgba(34,197,94,0.35); }
.toast-danger{ border-color: rgba(244,0,0,0.35); }

/* modal */

.modal-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: grid;
  place-items: center;
  z-index: 60;
  padding: 18px;
}
.modal-overlay.hidden{ display: none; }

.modal{
  width: min(520px, calc(100vw - 36px));
  background: rgba(16,26,47,0.98);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.modal h3{ margin: 0 0 8px; }
.modal p{ margin: 0 0 14px; color: var(--muted); }
.modal-actions{
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* responsive */

@media (max-width: 860px){
  .kpi-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  table{ min-width: 760px; }
}
@media (max-width: 560px){
  .nav{ gap: 6px; }
  .nav-link{ padding: 8px 10px; }
  .form{ grid-template-columns: 1fr; }
  .panel-header{ flex-direction: column; align-items: flex-start; }
  .panel-actions{ width: 100%; justify-content: space-between; }
}