/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --sidebar-w: 220px;
  --sidebar-bg: #1a2332;
  --sidebar-text: #94a3b8;
  --sidebar-active: #ffffff;
  --sidebar-active-bg: rgba(255,255,255,0.08);
  --sidebar-accent: #3b82f6;

  --bg: #f0f4f8;
  --card-bg: #ffffff;
  --border: #e2e8f0;

  --text: #1e293b;
  --text-muted: #64748b;

  --green: #22c55e;
  --green-bg: #dcfce7;
  --amber: #f59e0b;
  --amber-bg: #fef3c7;
  --red: #ef4444;
  --red-bg: #fee2e2;
  --blue: #3b82f6;
  --blue-bg: #dbeafe;
  --gray: #94a3b8;
  --gray-bg: #f1f5f9;

  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
select, input { font-family: inherit; }

/* ============================================================
   LAYOUT
   ============================================================ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.sidebar-logo .logo-title {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.sidebar-logo .logo-sub {
  font-size: 11px;
  color: var(--sidebar-text);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 8px 8px;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 7px;
  color: var(--sidebar-text);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  margin-bottom: 2px;
}
.sidebar-nav a:hover {
  background: var(--sidebar-active-bg);
  color: #fff;
}
.sidebar-nav a.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active);
  border-left: 3px solid var(--sidebar-accent);
}
.sidebar-nav a .nav-icon { font-size: 16px; flex-shrink: 0; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.sync-badge {
  font-size: 11px;
  color: var(--sidebar-text);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.sync-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gray);
  flex-shrink: 0;
}
.sync-badge.ok .dot { background: var(--green); }
.sync-badge.error .dot { background: var(--red); }
.sync-badge.running .dot {
  background: var(--amber);
  animation: pulse 1s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

.btn-sync {
  width: 100%;
  background: var(--sidebar-accent);
  color: #fff;
  border: none;
  padding: 8px 12px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 600;
  transition: background 0.15s;
}
.btn-sync:hover { background: #2563eb; }
.btn-sync:disabled { background: #475569; cursor: not-allowed; }

/* MAIN CONTENT */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.page-header h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.page-header .header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-body {
  padding: 20px 24px;
  flex: 1;
}

/* ============================================================
   CARDS / PANELS
   ============================================================ */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 16px 20px;
}
.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

/* ============================================================
   FORM CONTROLS
   ============================================================ */
.form-select, .form-input {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 13px;
  background: var(--card-bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}
.form-select:focus, .form-input:focus { border-color: var(--blue); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border-radius: 7px;
  border: none;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #2563eb; }
.btn-secondary { background: var(--gray-bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }

/* ============================================================
   STATUS BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-excelente { background: var(--green-bg); color: #166534; }
.badge-atencao   { background: var(--amber-bg); color: #92400e; }
.badge-alerta    { background: var(--red-bg);   color: #991b1b; }
.badge-qualidade { background: var(--blue-bg);  color: #1e40af; }
.badge-ausencia  { background: var(--gray-bg);  color: var(--text-muted); }
.badge-none      { background: var(--gray-bg);  color: var(--text-muted); }

/* ============================================================
   GRID HELPERS
   ============================================================ */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-8 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 1100px) {
  .grid-8 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   MISC
   ============================================================ */
.section-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.text-muted { color: var(--text-muted); }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
  font-size: 13px;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast notifications */
#toast-container {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--text);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: var(--shadow-md);
  animation: slideIn 0.2s ease;
  max-width: 320px;
}
.toast.success { background: #166534; }
.toast.error { background: #991b1b; }
@keyframes slideIn { from { transform: translateY(10px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }