/* ══════════════════════════════════════════
   OPS360 — Global Design System
   Dark Corporate Theme | Inter Font
═══════════════════════════════════════════ */

:root {
  --bg-base:       #0d1117;
  --bg-card:       #161b22;
  --bg-elevated:   #1c2333;
  --bg-hover:      #21262d;
  --border:        rgba(255,255,255,0.08);
  --border-accent: rgba(255,255,255,0.15);

  --accent-blue:   #2f81f7;
  --accent-cyan:   #39d0f0;
  --accent-green:  #3fb950;
  --accent-yellow: #e3b341;
  --accent-orange: #f0883e;
  --accent-red:    #f85149;
  --accent-purple: #a371f7;

  --r1-color:      #2f81f7;   /* Região 1 — Luanda + Bengo */
  --r2-color:      #39d0f0;   /* Região 2 — Restantes províncias */

  --text-primary:  #e6edf3;
  --text-secondary:#8b949e;
  --text-muted:    #6e7681;

  --sidebar-w:     240px;
  --sidebar-w-col: 72px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(47,129,247,0.15);

  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

body.light-mode {
  --bg-base:       #f6f8fa;
  --bg-card:       #ffffff;
  --bg-elevated:   #eaeef2;
  --bg-hover:      #e1e4e8;
  --border:        rgba(31,35,40,0.12);
  --border-accent: rgba(31,35,40,0.22);

  --accent-blue:   #0969da;
  --accent-cyan:   #0590a5;
  --accent-green:  #1a7f37;
  --accent-yellow: #9a6700;
  --accent-orange: #bc4c00;
  --accent-red:    #cf222e;
  --accent-purple: #8250df;

  --r1-color:      #0969da;
  --r2-color:      #0590a5;

  --text-primary:  #24292f;
  --text-secondary:#57606a;
  --text-muted:    #8c959f;

  --shadow-card: 0 4px 24px rgba(140,149,159,0.15);
  --shadow-glow: 0 0 20px rgba(9,105,218,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 14px;
  line-height: 1.5;
}

/* ══ SCROLLBAR ══ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-accent); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ══════════════════════════════════════════
   SIDEBAR
═══════════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  transition: width var(--transition);
  overflow: hidden;
}

.sidebar.collapsed { width: var(--sidebar-w-col); }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
  min-height: 64px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  width: 100%;
  overflow: hidden;
}

.logo-img {
  height: 28px;
  max-width: 145px;
  object-fit: contain;
  transition: var(--transition);
  display: block;
  filter: invert(1) hue-rotate(180deg) brightness(1.2);
}

body.light-mode .logo-img {
  filter: none;
}

.sidebar.collapsed .logo-img {
  max-width: 32px;
}

.theme-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 26px; height: 26px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.78rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.theme-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-accent);
}

.sidebar-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.sidebar-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  white-space: nowrap;
  overflow: hidden;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
}
.nav-item:hover:not(.disabled) {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: rgba(47,129,247,0.15);
  color: var(--accent-blue);
  border-left: 2px solid var(--accent-blue);
}
.nav-item.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

.nav-icon { font-size: 1rem; flex-shrink: 0; }
.nav-text { flex: 1; font-size: 0.85rem; overflow: hidden; text-overflow: ellipsis; }

.nav-badge {
  font-size: 0.6rem;
  font-weight: 600;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 20px;
  color: var(--text-muted);
  white-space: nowrap;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.data-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: 0.05em;
}

.data-source {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ══════════════════════════════════════════
   MAIN CONTENT
═══════════════════════════════════════════ */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-w);
  transition: margin-left var(--transition);
  min-height: 100vh;
}
.sidebar.collapsed ~ .main-wrapper { margin-left: var(--sidebar-w-col); }

/* WELCOME SCREEN (index.html only) */
.welcome-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.welcome-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.welcome-logo { font-size: 4rem; }
.welcome-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
}
.welcome-content h1 strong { color: var(--accent-blue); }
.welcome-content p { color: var(--text-secondary); font-size: 1rem; }
.btn-primary {
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: var(--accent-blue);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(47,129,247,0.35);
}
.btn-primary:hover { background: #388bfd; transform: translateY(-1px); }

/* ══════════════════════════════════════════
   PAGE HEADER
═══════════════════════════════════════════ */
.page-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(47,129,247,0.04) 0%, transparent 100%);
}

.breadcrumb {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.breadcrumb span { color: var(--text-secondary); }

.page-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: 0.25rem;
}

.page-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.period-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(47,129,247,0.12);
  border: 1px solid rgba(47,129,247,0.3);
  color: var(--accent-blue);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.gen-time {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════
   SECTION LAYOUT
═══════════════════════════════════════════ */
.page-content { padding: 1.5rem 2rem 3rem; }

.section {
  margin-bottom: 2.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.section-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.section-icon.blue { background: rgba(47,129,247,0.15); }
.section-icon.cyan { background: rgba(57,208,240,0.15); }
.section-icon.green { background: rgba(63,185,80,0.15); }
.section-icon.yellow { background: rgba(227,179,65,0.15); }
.section-icon.purple { background: rgba(163,113,247,0.15); }
.section-icon.orange { background: rgba(240,136,62,0.15); }
.section-icon.red { background: rgba(248,81,73,0.15); }

.section-title { font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.section-desc { font-size: 0.8rem; color: var(--text-muted); margin-left: auto; }

.region-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-left: 0.5rem;
}
.region-tag.r1 { background: rgba(47,129,247,0.12); border: 1px solid rgba(47,129,247,0.3); color: var(--r1-color); }
.region-tag.r2 { background: rgba(57,208,240,0.12); border: 1px solid rgba(57,208,240,0.3); color: var(--r2-color); }

/* ══════════════════════════════════════════
   CARDS / KPIs
═══════════════════════════════════════════ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.kpi-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.kpi-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition);
}
.kpi-card.blue::before  { background: linear-gradient(135deg, rgba(47,129,247,0.06) 0%, transparent 60%); }
.kpi-card.cyan::before  { background: linear-gradient(135deg, rgba(57,208,240,0.06) 0%, transparent 60%); }
.kpi-card.green::before { background: linear-gradient(135deg, rgba(63,185,80,0.06) 0%, transparent 60%); }
.kpi-card.yellow::before{ background: linear-gradient(135deg, rgba(227,179,65,0.06) 0%, transparent 60%); }
.kpi-card.orange::before{ background: linear-gradient(135deg, rgba(240,136,62,0.06) 0%, transparent 60%); }
.kpi-card.purple::before{ background: linear-gradient(135deg, rgba(163,113,247,0.06) 0%, transparent 60%); }
.kpi-card.red::before   { background: linear-gradient(135deg, rgba(248,81,73,0.06) 0%, transparent 60%); }
.kpi-card:hover::before { opacity: 1; }

.kpi-icon {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  display: block;
}

.kpi-value {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 0.35rem;
}
.kpi-value.blue   { color: var(--accent-blue); }
.kpi-value.cyan   { color: var(--accent-cyan); }
.kpi-value.green  { color: var(--accent-green); }
.kpi-value.yellow { color: var(--accent-yellow); }
.kpi-value.orange { color: var(--accent-orange); }
.kpi-value.purple { color: var(--accent-purple); }
.kpi-value.red    { color: var(--accent-red); }

.kpi-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  line-height: 1.3;
}
.kpi-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ══════════════════════════════════════════
   CHART WRAPPERS
═══════════════════════════════════════════ */
.charts-grid {
  display: grid;
  gap: 1rem;
}
.charts-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.charts-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.charts-grid.main   { grid-template-columns: 2fr 1fr; }
.charts-grid.main-r { grid-template-columns: 1fr 2fr; }

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.chart-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}
.chart-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.chart-container { position: relative; width: 100%; }
.chart-container canvas { max-width: 100%; }

/* ══════════════════════════════════════════
   TABLES
═══════════════════════════════════════════ */
.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.data-table th {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 0.625rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tbody tr:hover td { background: var(--bg-hover); }
.data-table tbody tr:last-child td { border-bottom: none; }

.bar-cell { display: flex; align-items: center; gap: 0.5rem; }
.mini-bar-bg { flex: 1; height: 6px; background: var(--bg-elevated); border-radius: 3px; overflow: hidden; min-width: 60px; }
.mini-bar-fill { height: 100%; border-radius: 3px; }
.bar-val { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--text-primary); min-width: 30px; text-align: right; }

.rank-num { 
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 4px;
  background: var(--bg-elevated);
  font-size: 0.72rem; font-weight: 700;
  color: var(--text-muted);
}
.rank-num.gold { background: rgba(227,179,65,0.15); color: var(--accent-yellow); }
.rank-num.silver { background: rgba(139,148,158,0.2); color: #aab; }
.rank-num.bronze { background: rgba(240,136,62,0.12); color: var(--accent-orange); }

.pill {
  display: inline-flex; align-items: center;
  padding: 0.15rem 0.55rem; border-radius: 20px;
  font-size: 0.7rem; font-weight: 600;
}
.pill.r1 { background: rgba(47,129,247,0.12); color: var(--r1-color); border: 1px solid rgba(47,129,247,0.25); }
.pill.r2 { background: rgba(57,208,240,0.12); color: var(--r2-color); border: 1px solid rgba(57,208,240,0.25); }
.pill.blue   { background: rgba(47,129,247,0.1);  color: var(--accent-blue); }
.pill.green  { background: rgba(63,185,80,0.1);   color: var(--accent-green); }
.pill.yellow { background: rgba(227,179,65,0.1);  color: var(--accent-yellow); }
.pill.red    { background: rgba(248,81,73,0.1);   color: var(--accent-red); }

/* ══════════════════════════════════════════
   DIVIDERS
═══════════════════════════════════════════ */
.region-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2rem 0 1.5rem;
}
.region-divider-line { flex: 1; height: 1px; background: var(--border); }
.region-divider-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 20px;
}
.region-divider-label.r1 {
  background: rgba(47,129,247,0.1);
  border: 1px solid rgba(47,129,247,0.25);
  color: var(--r1-color);
}
.region-divider-label.r2 {
  background: rgba(57,208,240,0.1);
  border: 1px solid rgba(57,208,240,0.25);
  color: var(--r2-color);
}

/* ══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 1100px) {
  .charts-grid.cols-2 { grid-template-columns: 1fr; }
  .charts-grid.main   { grid-template-columns: 1fr; }
  .charts-grid.main-r { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .charts-grid.cols-3 { grid-template-columns: 1fr 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .page-content { padding: 1rem 1rem 3rem; }
  .page-header  { padding: 1rem 1rem; }
  .charts-grid.cols-3 { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .sidebar { width: var(--sidebar-w-col); }
  .main-wrapper { margin-left: var(--sidebar-w-col); }
  .nav-text, .nav-badge, .logo-text, .sidebar-toggle { display: none; }
}