/**
 * ============================================================================
 * Remon Sensor Dashboard - Stylesheet
 * ============================================================================
 */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2128;
  --bg-card-hover: #222730;
  --border-color: #30363d;
  --border-accent: #388bfd;
  
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;

  --accent-cyan: #00e5ff;
  --accent-green: #00e676;
  --accent-amber: #ffb300;
  --accent-orange: #ff9100;
  --accent-red: #ff5252;
  --accent-purple: #ab47bc;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-cyan);
}

.logo-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.logo-title span {
  color: var(--accent-cyan);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 20px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
}

.status-badge.connected {
  color: #3fb950;
  border-color: rgba(63, 185, 80, 0.3);
  background-color: rgba(63, 185, 80, 0.1);
}

.status-badge.connecting {
  color: var(--accent-amber);
  border-color: rgba(255, 179, 0, 0.3);
}

.status-badge.disconnected {
  color: var(--accent-red);
  border-color: rgba(255, 82, 82, 0.3);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
  100% { opacity: 1; transform: scale(1); }
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sensor-count-badge {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-card);
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: #238636;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #2ea043;
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
}

.btn-icon:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   Sensor Selector Navigation Bar
   ========================================================================== */

.sensor-nav {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 24px;
}

.sensor-tabs-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.sensor-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.sensor-tab:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.sensor-tab.active {
  background-color: rgba(0, 229, 255, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
}

.sensor-tab .tab-count {
  font-size: 11px;
  background: rgba(255, 255, 255, 0.1);
  padding: 1px 6px;
  border-radius: 10px;
}

.sensor-tab .tab-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #3fb950;
}

/* ==========================================================================
   Main Container & Layout
   ========================================================================== */

.main-container {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
}

.view-header {
  margin-bottom: 20px;
}

.view-header h2 {
  font-size: 22px;
  font-weight: 700;
}

.view-header .subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
}

/* ==========================================================================
   Overview Grid (Multiple Sensors)
   ========================================================================== */

.sensors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.sensor-overview-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sensor-overview-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.soc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.soc-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.soc-title {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.2px;
}

.btn-icon-subtle {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px 5px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.btn-icon-subtle:hover {
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.1);
  border-color: rgba(0, 229, 255, 0.3);
}

.soc-subtitle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.soc-device {
  font-weight: 500;
  color: var(--text-secondary);
}

.soc-dot {
  color: var(--border-color);
  font-size: 10px;
}

.soc-topic {
  font-size: 11px;
  color: var(--text-muted);
  font-family: monospace;
}

.soc-status-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: bold;
}

.soc-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}

.soc-metric {
  background-color: rgba(255, 255, 255, 0.03);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.soc-metric-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.soc-metric-val {
  font-size: 18px;
  font-weight: 700;
  margin-top: 2px;
}

.soc-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 10px;
  margin-top: 6px;
}

/* ==========================================================================
   Detail / Window View (Single Sensor Deep-Dive)
   ========================================================================== */

.sensor-window-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.sensor-name-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sensor-name-row h1 {
  font-size: 24px;
  font-weight: 700;
}

.sensor-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.meta-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.topic-tag {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  font-family: monospace;
  color: var(--text-secondary);
}

.device-tag {
  background: rgba(0, 229, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 229, 255, 0.25);
  font-weight: 600;
}

.status-tag {
  background: rgba(63, 185, 80, 0.15);
  color: #3fb950;
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.meta-text {
  font-size: 12px;
  color: var(--text-muted);
}

.badge-accuracy {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  background: #23272d;
  color: var(--accent-amber);
  border: 1px solid rgba(255, 179, 0, 0.3);
}

.badge-accuracy.calibrated {
  background: rgba(63, 185, 80, 0.15);
  color: #3fb950;
  border-color: rgba(63, 185, 80, 0.4);
}

/* IAQ Hero Card */
.iaq-hero-card {
  background: linear-gradient(135deg, #1c2128 0%, #161b22 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.iaq-hero-content {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: center;
}

.iaq-score-wrapper {
  text-align: center;
  border-right: 1px solid var(--border-color);
  padding-right: 24px;
}

.iaq-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.iaq-score {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin: 6px 0;
  color: var(--accent-green);
}

.iaq-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  background: rgba(0, 230, 118, 0.15);
  color: var(--accent-green);
  text-transform: uppercase;
}

.iaq-description-wrapper h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.iaq-description-wrapper p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.iaq-scale-bar {
  display: flex;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  background: #222;
}

.scale-segment {
  flex: 1;
}

.s-good { background-color: #00e676; }
.s-avg { background-color: #ffd600; }
.s-little-bad { background-color: #ff9100; }
.s-bad { background-color: #ff5722; }
.s-worse { background-color: #f44336; }
.s-very-bad { background-color: #9c27b0; }

/* Climate Primary Banner Card (for Thermo-Hygrometer sensors) */
.climate-hero-card {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(63, 185, 80, 0.06) 100%);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.climate-hero-content {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: center;
}

.climate-score-wrapper {
  text-align: center;
  border-right: 1px solid var(--border-color);
  padding-right: 24px;
}

.climate-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.climate-score {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin: 6px 0;
  color: #ffffff;
}

.climate-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  background: rgba(0, 229, 255, 0.15);
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.climate-description-wrapper h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.climate-description-wrapper p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.climate-sub-metrics {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.csm-item {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.04);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.csm-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.csm-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-top: 2px;
}

/* 4-Card Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.card-title {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.card-icon {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.card-value {
  font-size: 34px;
  font-weight: 800;
  margin: 8px 0 4px 0;
}

.co2-val { color: var(--accent-green); }
.voc-val { color: var(--accent-green); }
.temp-val { color: #ffffff; }
.hum-val { color: var(--accent-cyan); }
.batt-val { color: var(--accent-green); }
.batt-icon { background: rgba(0, 230, 118, 0.15); color: #00e676; }
.sound-val { color: #ba68c8; }
.sound-icon { background: rgba(186, 104, 200, 0.15); color: #ba68c8; }
.pressure-val { color: #64b5f6; }
.pressure-icon { background: rgba(100, 181, 246, 0.15); color: #64b5f6; }

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

.card-unit {
  font-size: 12px;
  color: var(--text-muted);
}

.card-status {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
}

/* Charts Section */
.charts-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.chart-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.chart-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.chart-title {
  font-size: 16px;
  font-weight: 700;
}

.chart-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.time-range-group {
  display: flex;
  gap: 4px;
  background: var(--bg-secondary);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.btn-range {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
}

.btn-range:hover {
  color: var(--text-primary);
}

.btn-range.active {
  background-color: var(--accent-cyan);
  color: #000;
}

.chart-wrapper {
  position: relative;
  height: 220px;
  width: 100%;
}

/* Diagnostics Drawer */
.diagnostics-drawer {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.diagnostics-drawer summary {
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.diagnostics-content {
  padding: 0 18px 18px 18px;
}

.diagnostics-content pre {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 12px;
  color: #388bfd;
  overflow-x: auto;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 400px;
  padding: 20px;
  box-shadow: var(--shadow-md);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.btn-close {
  background: transparent;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-body label {
  display: block;
  font-size: 13px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.modal-body input {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
}

.modal-body input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.modal-device-info {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.modal-device-info strong {
  color: var(--accent-cyan);
}

.location-chips-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  margin: 14px 0 8px 0;
  letter-spacing: 0.5px;
}

.location-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.location-chip {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.location-chip:hover {
  background-color: rgba(0, 229, 255, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* Empty State / Spinner */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  background-color: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
}

.empty-state h3 {
  font-size: 18px;
  margin: 14px 0 6px 0;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 13px;
}

.empty-state code {
  color: var(--accent-cyan);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(0, 229, 255, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 16px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: auto;
}

/* ==========================================================================
   Window Mode (Kiosk / Embed / Dedicated Window)
   ========================================================================== */

body.window-mode {
  background-color: var(--bg-primary);
}

body.window-mode .header,
body.window-mode .sensor-nav,
body.window-mode .footer {
  display: none !important;
}

body.window-mode .main-container {
  padding: 12px;
  max-width: 100%;
}

body.window-mode .sensor-window-header {
  margin-bottom: 12px;
  padding-bottom: 8px;
}

body.window-mode .iaq-hero-card {
  padding: 16px;
  margin-bottom: 12px;
}

body.window-mode .chart-wrapper {
  height: 180px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .header-right {
    width: 100%;
    justify-content: space-between;
  }
  .iaq-hero-content {
    grid-template-columns: 1fr;
  }
  .iaq-score-wrapper {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding-right: 0;
    padding-bottom: 16px;
  }
  .chart-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}