/* ============================
   Hanwha LPR HUB - Statistics
   Estilo inspirado en dashboard de cámara
   ============================ */

:root {
   --hanwha: #b4b4b4;

  /* modo oscuro */
  --d-bg: #10151a;
  --d-bg-alt: #151c23;
  --d-card: #18222b;
  --d-text: #e5eaf0;
  --d-text-muted: #8a98a6;
  --d-border: #2b3945;
  --shadow-strong: 0 16px 40px rgba(0,0,0,0.8);

  /* modo claro */
  --l-bg: #f5f7fa;
  --l-bg-alt: #ffffff;
  --l-card: #ffffff;
  --l-text: #111827;
  --l-text-muted: #6b7280;
  --l-border: #e5e7eb;
}

/* Theme binding (usa theme.js que setea las vars) */
body {
  background: linear-gradient(135deg, #205a91 0%, #141414 40%, #205a91 100%);
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #205a91;
  font-weight: 400;
  box-shadow: var(--shadow-strong);
  letter-spacing: 0.1px;
}

/* ============================
   TOPBAR
   ============================ */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #205a91;
  background: rgba(255,255,255,0.03);
  padding: 0 24px;
  height: 56px;
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-strong);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-st {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #205a91;
  background: linear-gradient(135deg, #205a91 0%, #141414 40%, #205a91 100%);
  padding: 0 24px;
  height: 56px;
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-strong);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

/* LOGO */
.logo img {
  height: 26px;
  width: auto;
  display: block;
  filter: brightness(1.08);
  transition: opacity 0.25s ease;
}

.logo img:hover {
  opacity: 0.85;
}

[data-theme="light"] .logo img {
  filter: none;
}

/* NAV */
.main-nav {
  display: flex;
  gap: 28px;
}

.nav-item {
  position: relative;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.18s ease;
  padding-bottom: 6px;
}

.nav-item:hover {
  color: #6cd3ff;
}

.nav-item.active {
  color: #6cd3ff;
  font-weight: 600;
}

.nav-item.active::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 3px;
  bottom: -2px;
  left: 0;
  border-radius: 999px;
}

/* LOGOUT BTN */

.logout-btn {
  background: none;
  border: 1px solid rgba(255, 152, 0, 0.7);
  border-radius: 999px;
  color: var(--hanwha);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  transition: all 0.18s ease;
}

.logout-btn:hover {
  background-color: #b4b4b4
  color: #111827;
  box-shadow: 0 0 14px rgba(255, 152, 0, 0.55);
}

/* ============================
   BOTONES DE EXPORTACIÓN
   ============================ */

.export-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin: 18px 32px 6px 32px;
}

.export-buttons button {
  background-color: transparent;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--hanwha);
  color: var(--hanwha);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.18s ease;
}

.export-buttons button i {
  font-size: 15px;
}

.export-buttons button:hover {
  background-color: var(--hanwha);
  color: var(--color-bg);
  box-shadow: 0 4px 14px rgba(255, 152, 0, 0.35);
}

/* ============================
   LABEL DE ÚLTIMA ACTUALIZACIÓN
   ============================ */

#updateLabel {
  font-weight: 400;
  font-size: 13.5px;
  letter-spacing: 0.2px;
}

/* ============================
   GRID PRINCIPAL
   ============================ */

main {
  padding-bottom: 32px;
}

.stats-container {
  padding: 18px 32px 32px 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 24px;
}

/* ============================
   TARJETAS
   ============================ */

.card {
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.02), transparent 55%),
    var(--card-bg);
  border-radius: 16px;
  padding: 18px 22px;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.47);
  border: 1px solid rgba(255, 255, 255, 0.02);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255, 152, 0, 0.12), transparent 60%);
  opacity: 0.6;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.7);
  border-color: rgba(255, 152, 0, 0.25);
}

.card h3 {
  margin: 0 0 10px;
  color: var(--hanwha);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card h3 i {
  font-size: 18px;
}

/* Contenedor del header de card con selector */
.card-header-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

/* Selects dentro de card */
.card select {
  background-color: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  color: var(--hanwha);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
  outline: none;
}

.card select:hover {
  border-color: var(--hanwha);
  box-shadow: 0 0 10px rgba(255, 152, 0, 0.25);
}

.card select:focus {
  border-color: var(--hanwha);
}

/* Texto auxiliar (ej. rango de semana) */
.card .helper-text {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 10px;
}

/* ============================
   CANVAS DE CHART
   ============================ */

canvas {
  width: 100%;
  height: 270px;
  max-height: 270px;
  background-color: transparent;
}

/* Un poco más alto para gráficos circulares */
.card--pie canvas {
  height: 260px;
  max-height: 260px;
}

/* ============================
   RESPONSIVE
   ============================ */

@media (max-width: 900px) {
  .stats-container {
    grid-template-columns: 1fr;
    padding: 18px 16px 28px 16px;
  }

  .export-buttons {
    margin: 14px 16px 4px 16px;
  }
}