:root {
  --bg: #0b0f19;
  --bg-secondary: #111827;
  --card-bg: rgba(30, 41, 59, 0.6);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-blue: #38bdf8;
  --accent-purple: #a855f7;
  --accent-green: #22c55e;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-gradient: linear-gradient(135deg, #38bdf8, #a855f7);
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text-main);
  overflow-x: hidden;
}

/* APP CONTAINER */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--card-border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
  padding: 0 8px;
}
.brand-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent-gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: white;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.3);
}
.brand-text h2 { font-family: 'Outfit', sans-serif; font-size: 16px; font-weight: 800; letter-spacing: 1px; }
.brand-text span { font-size: 10px; color: var(--accent-blue); font-weight: 700; letter-spacing: 0.5px; }

.nav-menu { display: flex; flex-direction: column; gap: 6px; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: 12px;
  background: transparent; border: none;
  color: var(--text-secondary); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.2s ease;
  width: 100%; text-align: left;
}
.nav-item:hover { background: rgba(255,255,255,0.05); color: var(--text-main); }
.nav-item.active {
  background: linear-gradient(135deg, rgba(56,189,248,0.15), rgba(168,85,247,0.15));
  border: 1px solid rgba(56,189,248,0.3);
  color: var(--accent-blue);
}

.sidebar-footer {
  padding: 16px; border-radius: 12px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--card-border);
}
.status-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; }
.status-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }

/* MAIN CONTENT */
.main-content {
  flex: 1; padding: 32px 40px; overflow-y: auto;
}

/* TOP HEADER */
.top-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 32px;
}
.header-title h1 { font-family: 'Outfit', sans-serif; font-size: 24px; font-weight: 800; }
.subtitle { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.header-controls { display: flex; gap: 12px; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 10px; font-size: 13px; font-weight: 700;
  cursor: pointer; border: none; transition: all 0.2s ease;
}
.btn-primary { background: var(--accent-gradient); color: white; box-shadow: 0 4px 16px rgba(56,189,248,0.25); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(56,189,248,0.4); }
.btn-secondary { background: rgba(255,255,255,0.06); border: 1px solid var(--card-border); color: var(--text-main); }
.btn-secondary:hover { background: rgba(255,255,255,0.1); }
.btn-sm { padding: 6px 14px; font-size: 12px; }

/* CARDS */
.glass {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}
.card { padding: 24px; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.card-header h3 { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 10px; }

/* KPI GRID */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.kpi-card { padding: 24px; display: flex; align-items: flex-start; gap: 18px; }
.kpi-icon { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.kpi-green .kpi-icon { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.kpi-amber .kpi-icon { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.kpi-blue .kpi-icon { background: rgba(56,189,248,0.15); color: var(--accent-blue); }
.kpi-rose .kpi-icon { background: rgba(244,63,94,0.15); color: var(--accent-rose); }
.kpi-details .label { font-size: 12px; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-details h3 { font-size: 24px; font-weight: 800; margin: 6px 0 2px; }
.kpi-details .sub { font-size: 11px; color: var(--text-secondary); }

/* TABLES */
.table-responsive { width: 100%; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; text-align: left; }
.data-table th {
  padding: 12px 16px; color: var(--text-secondary); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--card-border);
}
.data-table td { padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,0.03); vertical-align: middle; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }

/* BADGES */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.badge.positive { background: rgba(34,197,94,0.15); color: var(--accent-green); border: 1px solid rgba(34,197,94,0.3); }
.badge.negative { background: rgba(244,63,94,0.15); color: var(--accent-rose); border: 1px solid rgba(244,63,94,0.3); }

/* UTILS & INPUTS */
.grid-2-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.mt-3 { margin-top: 16px; } .mt-4 { margin-top: 24px; }
.txt-success { color: var(--accent-green); }
.txt-danger { color: var(--accent-rose); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-mono-table td { font-family: 'Courier New', Courier, monospace; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-gap { display: flex; align-items: center; gap: 10px; }
.input-styled {
  width: 100%; padding: 10px 14px; border-radius: 10px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--card-border);
  color: var(--text-main); font-size: 13px; outline: none;
}
.input-styled:focus { border-color: var(--accent-blue); }
.input-label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 600; }
.date-input { padding: 6px 12px; border-radius: 8px; background: rgba(255,255,255,0.05); border: 1px solid var(--card-border); color: var(--text-main); font-size: 12px; }

/* TABS CONTROL */
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }