/* ============================= */
/* GLOBAL RESET */
/* ============================= */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Inter, system-ui, sans-serif;
}

body {
  background: #F5F7FA;
  color: #1F2937;
  overflow: hidden;
}

/* ============================= */
/* LAYOUT */
/* ============================= */

.layout {
  display: flex;
  height: 100vh;
}

/* ============================= */
/* SIDEBAR */
/* ============================= */

.sidebar {
  width: 230px;
  background: #0F172A;
  color: white;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 32px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.menu {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  color: #94A3B8;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 500;
  transition: all .15s ease;
}

.menu:hover {
  background: rgba(255,255,255,0.05);
  color: white;
}

.menu.active {
  background: #2563EB;
  color: white;
  box-shadow: 0 6px 18px rgba(37,99,235,.35);
}

.menu.disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ============================= */
/* MAIN */
/* ============================= */

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  margin-left: 230px;
  padding: 28px 36px;
}

/* ============================= */
/* HEADER */
/* ============================= */

.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}

.top-header h1 {
  font-size: 28px;
  font-weight: 700;
}

.subtitle {
  font-size: 14px;
  color: #6B7280;
  margin-top: 6px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #374151;
}

/* ============================= */
/* LOCATION */
/* ============================= */

.location-title {
  margin: 28px 0 14px;
  font-size: 22px;
  font-weight: 600;
}

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

.sensor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

/* ============================= */
/* SENSOR CARD */
/* ============================= */

.sensor-card {
  background: white;
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 6px 20px rgba(0,0,0,.06);
  display: flex;
  flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease;
}

.sensor-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(0,0,0,.08);
}

/* CARD HEADER */

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
}

/* ============================= */
/* BADGE */
/* ============================= */

.badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success {
  background: #DCFCE7;
  color: #15803D;
}

.badge-warning {
  background: #FEF3C7;
  color: #92400E;
}

.badge-danger {
  background: #FEE2E2;
  color: #991B1B;
}

.badge-off {
  background: #E5E7EB;
  color: #374151;
}

/* ============================= */
/* CHART */
/* ============================= */

.chart-wrapper {
  position: relative;
  height: 120px;
  margin: 12px 0;
}

/* ============================= */
/* FOOTER CARD */
/* ============================= */

.card-footer {
  font-size: 13px;
  color: #6B7280;
}

/* ============================= */
/* PAGE FOOTER */
/* ============================= */

.footer {
  margin-top: 40px;
  text-align: center;
  font-size: 13px;
  color: #9CA3AF;
}

/* ============================= */
/* MONITORING TABLE */
/* ============================= */

.monitoring-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0,0,0,.05);
}

.monitoring-table th,
.monitoring-table td {
  padding: 14px;
  border-bottom: 1px solid #eee;
  text-align: left;
}

.monitoring-table th {
  background: #F9FAFB;
  font-weight: 600;
}

/* ============================= */
/* FILTER BAR */
/* ============================= */

.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}

.filter-bar input,
.filter-bar button {
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid #E5E7EB;
  font-size: 14px;
}

.filter-bar button {
  background: #2563EB;
  color: white;
  cursor: pointer;
  border: none;
  transition: background .15s ease;
}

.filter-bar button:hover {
  background: #1D4ED8;
}

/* SORTABLE TABLE */

.sortable {
  cursor: pointer;
  user-select: none;
  transition: background .15s ease, color .15s ease;
  position: relative;
}

.sortable:hover {
  background: #EEF2FF;
}

.sortable.active {
  background: #E0E7FF;
  color: #1D4ED8;
}

.arrow {
  font-size: 18px;
  margin-left: 6px;
  opacity: 0.5;
  vertical-align: middle;
  transition: all .15s ease;
}

.sortable.active .arrow {
  opacity: 1;
  color: #2563EB;
  transform: scale(1.15);
}


.sensor-status {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.sensor-status.active {
  background: #DCFCE7;
  color: #15803D;
}

.sensor-status.offline {
  background: #FEE2E2;
  color: #991B1B;
}