/* ===== Innocom Design Tokens ===== */
:root {
  --primary: #1e40af; --primary-dark: #1a3690; --primary-light: #3b82f6;
  --secondary: #dc2626; --success: #10b981; --warning: #f59e0b;
  --danger: #ef4444; --info: #3b82f6;
  --gray-50: #f9fafb; --gray-100: #f3f4f6; --gray-200: #e5e7eb;
  --gray-300: #d1d5db; --gray-400: #9ca3af; --gray-500: #6b7280;
  --gray-600: #4b5563; --gray-700: #374151; --gray-800: #1f2937; --gray-900: #111827;
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px; --radius-xl: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06); --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.1); --shadow-xl: 0 20px 50px rgba(0,0,0,.15);
  --sidebar-w: 268px; --transition: .25s cubic-bezier(.4,0,.2,1);
  --font: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--gray-100); color: var(--gray-900); display: flex; min-height: 100vh; overflow-x: hidden; }

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-w); background: #fff; border-right: 1px solid var(--gray-200);
  display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0;
  z-index: 100; transition: transform var(--transition);
}
.sidebar-header {
  padding: 1.25rem 1.5rem; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--gray-200);
}
.logo { display: flex; align-items: center; gap: .65rem; font-size: 1.25rem; font-weight: 700; color: var(--primary); }
.logo i { font-size: 1.4rem; }
#sidebarClose { display: none; background: none; border: none; font-size: 1.2rem; color: var(--gray-500); cursor: pointer; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: .75rem 0; }
.nav-section { padding: .75rem 1.5rem .35rem; }
.nav-label { font-size: .7rem; font-weight: 600; color: var(--gray-400); letter-spacing: .08em; text-transform: uppercase; }
.nav-item {
  display: flex; align-items: center; gap: .75rem; padding: .65rem 1.5rem;
  color: var(--gray-600); text-decoration: none; font-size: .875rem; font-weight: 500;
  transition: all var(--transition); border-right: 3px solid transparent; position: relative;
}
.nav-item:hover { background: var(--gray-50); color: var(--primary); }
.nav-item.active { color: var(--primary); background: rgba(30,64,175,.04); border-right-color: var(--primary); font-weight: 600; }
.nav-item i { width: 20px; text-align: center; font-size: .9rem; }
.badge { font-size: .65rem; font-weight: 600; padding: 2px 8px; border-radius: 20px; }
.badge-success { background: rgba(16,185,129,.1); color: var(--success); }
.badge-primary { background: rgba(30,64,175,.1); color: var(--primary); }
.badge-warning { background: rgba(245,158,11,.1); color: var(--warning); }
.sidebar-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--gray-200); }
.sync-status { display: flex; align-items: center; gap: .5rem; font-size: .78rem; color: var(--success); font-weight: 500; }
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--success);
  animation: pulse 2s ease-in-out infinite; display: inline-block;
}
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(1.3); } }

/* ===== Main Content ===== */
.main-content {
  margin-left: var(--sidebar-w); flex: 1; padding: 1.5rem 2rem 3rem;
  transition: margin-left var(--transition);
}
.sidebar-toggle-open { display: none; background: none; border: none; font-size: 1.3rem; color: var(--gray-700); cursor: pointer; margin-right: .75rem; }

/* ===== Header ===== */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap;
  gap: 1rem; margin-bottom: 1.75rem; background: #fff; padding: 1.25rem 1.75rem;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
.header-left { display: flex; align-items: center; }
.breadcrumb { font-size: .78rem; color: var(--gray-400); margin-bottom: 4px; }
.page-title { font-size: 1.5rem; font-weight: 700; color: var(--gray-900); }
.page-subtitle { font-size: .85rem; color: var(--gray-500); margin-top: 2px; }
.header-right { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.api-status {
  display: flex; align-items: center; gap: .4rem; font-size: .78rem; font-weight: 600;
  color: var(--success); background: rgba(16,185,129,.08); padding: 5px 12px; border-radius: 20px;
}
.last-sync { font-size: .75rem; color: var(--gray-400); }
.month-select {
  padding: .45rem .85rem; border: 1px solid var(--gray-200); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .85rem; font-weight: 500; color: var(--gray-700);
  background: #fff; cursor: pointer; outline: none; transition: border var(--transition);
}
.month-select:focus { border-color: var(--primary); }

/* ===== KPI Cards ===== */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-bottom: 1.5rem; }
.kpi-card {
  background: #fff; border-radius: var(--radius-lg); padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm); transition: all var(--transition); position: relative; overflow: hidden;
}
.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--card-accent, var(--primary));
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.kpi-icon { width: 42px; height: 42px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; margin-bottom: .85rem; }
.kpi-label { font-size: .78rem; color: var(--gray-500); font-weight: 500; margin-bottom: .3rem; }
.kpi-value { font-size: 1.45rem; font-weight: 700; color: var(--gray-900); margin-bottom: .3rem; }
.kpi-sub { font-size: .75rem; color: var(--gray-400); }
.kpi-change { display: inline-flex; align-items: center; gap: 3px; font-size: .75rem; font-weight: 600; padding: 2px 8px; border-radius: 20px; margin-left: .4rem; }
.kpi-change.up { color: var(--success); background: rgba(16,185,129,.1); }
.kpi-change.down { color: var(--danger); background: rgba(239,68,68,.1); }

/* ===== Cards ===== */
.card {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem; border-bottom: 1px solid var(--gray-100);
}
.card-header h3 { font-size: .95rem; font-weight: 600; color: var(--gray-800); display: flex; align-items: center; gap: .5rem; }
.card-header h3 i { color: var(--primary); font-size: .9rem; }
.card-body { padding: 1.25rem 1.5rem; }

/* ===== Charts & Tables Grid ===== */
.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.5rem; }
.chart-card .card-body { height: 320px; position: relative; }
.tables-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.5rem; }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .83rem; }
.data-table th {
  text-align: left; padding: .65rem .85rem; background: var(--gray-50); color: var(--gray-600);
  font-weight: 600; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em;
  border-bottom: 2px solid var(--gray-200);
}
.data-table td { padding: .6rem .85rem; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
.data-table tbody tr { transition: background var(--transition); }
.data-table tbody tr:hover { background: var(--gray-50); }
.data-table .amount { font-weight: 600; text-align: right; font-family: 'Inter', monospace; }
.data-table .positive { color: var(--success); }
.data-table .negative { color: var(--danger); }

/* ===== Full-width & Split grids ===== */
.charts-grid-full { margin-bottom: 1.5rem; }
.charts-grid-full .chart-card .card-body { height: 360px; position: relative; }
.tables-grid-full { margin-bottom: 1.5rem; }

/* Side-by-side layout: typically Chart (left) / Table (right) */
.split-grid { display: grid; grid-template-columns: 2fr 3fr; gap: 1.25rem; margin-bottom: 1.5rem; }
.split-grid-even { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.5rem; }

/* ===== Table group headers ===== */
.data-table .group-header td {
  background: var(--gray-50); font-weight: 700; color: var(--gray-800);
  padding: .7rem .85rem; font-size: .82rem; border-bottom: 2px solid var(--gray-200);
}
.data-table .sub-row td:first-child { padding-left: 1.75rem; }
.badge-danger { background: rgba(239,68,68,.1); color: var(--danger); }
.badge-info { background: rgba(59,130,246,.1); color: var(--info); }

/* ===== KPI Bottom / Metrics ===== */
.kpi-bottom { margin-bottom: 1.5rem; }
#metricsGrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.metric-item { text-align: center; padding: 1rem; border-radius: var(--radius-md); background: var(--gray-50); transition: all var(--transition); }
.metric-item:hover { background: rgba(30,64,175,.04); transform: translateY(-1px); }
.metric-label { font-size: .75rem; color: var(--gray-500); font-weight: 500; margin-bottom: .4rem; }
.metric-value { font-size: 1.15rem; font-weight: 700; color: var(--primary); }
.metric-unit { font-size: .7rem; color: var(--gray-400); margin-top: .2rem; }

/* ===== Tabs System ===== */
.tabs-header {
  display: flex; gap: 0.5rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--gray-200);
  background: #fff; padding: 0 1rem; border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: var(--shadow-sm); overflow-x: auto;
}
.tab-btn {
  background: none; border: none; padding: 1rem 1.25rem; font-family: var(--font);
  font-size: 0.9rem; font-weight: 600; color: var(--gray-500); cursor: pointer;
  border-bottom: 3px solid transparent; transition: all var(--transition);
  display: flex; align-items: center; gap: 0.5rem; white-space: nowrap;
}
.tab-btn:hover { color: var(--primary); background: var(--gray-50); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; animation: fadeIn 0.3s ease-in-out; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-xl); }
  #sidebarClose { display: block; }
  .sidebar-toggle-open { display: block; }
  .main-content { margin-left: 0; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  #metricsGrid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .main-content { padding: 1rem; }
  .kpi-grid { grid-template-columns: 1fr; }
  .charts-grid, .tables-grid { grid-template-columns: 1fr; }
  #metricsGrid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; }
}