/**
 * GAIAI V3 — System Health & Management Cockpit Architecture
 * Standard: Monolithic Obsidian Dark (#06080F) / Apple Server Health / Vercel Enterprise
 * Target: #settings-view & .settings-room-container
 */

/* ==========================================================================
   1. Root Container & Obsidian 24px Micro-Grid Base
   ========================================================================== */
.settings-room-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  max-width: 100%;
  min-height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px 28px 40px;
  background-color: #06080F;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(12, 16, 28, 0.7) 0%, rgba(6, 8, 15, 0.98) 100%);
  background-size: 24px 24px, 100% 100%;
  gap: 22px;
  box-sizing: border-box;
  color: var(--text-primary, #e2e8f0);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   2. Cockpit Master Header (Status Deck & Controls)
   ========================================================================== */
.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(12, 16, 28, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 16px 20px;
  gap: 16px;
  flex-shrink: 0;
  box-shadow: 0 4px 24px -2px rgba(0, 0, 0, 0.45);
}

.settings-title-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.settings-core-orb {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(16, 185, 129, 0.15) 100%);
  border: 1px solid rgba(99, 102, 241, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.2);
}

.settings-main-title {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
  line-height: 1.25;
  display: flex;
  align-items: center;
  gap: 8px;
}

.version-pill {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  color: #818cf8;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.28);
  padding: 2px 7px;
  border-radius: 9999px;
  letter-spacing: 0;
}

.settings-subtitle {
  font-size: 11.5px;
  color: #94a3b8;
  margin-top: 3px;
  line-height: 1.35;
}

.settings-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ==========================================================================
   3. Telemetry Badges & Pulsing LEDs
   ========================================================================== */
.telemetry-badge-deck {
  display: flex;
  align-items: center;
  gap: 8px;
}

.telemetry-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  font-family: "JetBrains Mono", monospace;
  color: #cbd5e1;
}

.telemetry-chip strong {
  color: #ffffff;
  font-weight: 600;
}

.status-led-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
  display: inline-block;
}

.status-led-pulse.online {
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.status-led-pulse.online::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(16, 185, 129, 0.4);
  animation: led-pulse 2s infinite ease-out;
}

.status-led-pulse.warning {
  background-color: #f59e0b;
  box-shadow: 0 0 8px #f59e0b;
}

.status-led-pulse.error {
  background-color: #ef4444;
  box-shadow: 0 0 8px #ef4444;
}

@keyframes led-pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.8;
  }
  70% {
    transform: scale(2.2);
    opacity: 0;
  }
  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}

.badge-status-online {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  color: #34d399;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.28);
  padding: 3px 9px;
  border-radius: 9999px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   4. 4-Quadrant Operational Sector Grid
   ========================================================================== */
.system-health-grid,
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
  gap: 18px;
  width: 100%;
}

/* Settings Card Component (Monolithic Obsidian Glass) */
.settings-card {
  background: rgba(12, 16, 28, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
}

.settings-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.settings-card:hover {
  border-color: rgba(99, 102, 241, 0.32);
  box-shadow: 0 10px 32px -4px rgba(0, 0, 0, 0.6), 0 0 20px -2px rgba(99, 102, 241, 0.12);
}

.settings-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 14px;
}

.settings-card-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.settings-card-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.settings-card:hover .settings-card-icon {
  transform: scale(1.05);
}

.settings-card-header h3 {
  font-size: 13.5px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.01em;
  margin: 0;
}

.sub-text {
  font-size: 11px;
  color: #94a3b8;
  line-height: 1.4;
  margin-top: 2px;
}

/* ==========================================================================
   5. Telemetry Meters & Gauges (Apple Server Health Standard)
   ========================================================================== */
.telemetry-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 4px;
}

.telemetry-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  font-weight: 500;
  color: #cbd5e1;
}

.telemetry-row-value {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  color: #818cf8;
}

.system-meter-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
}

.meter-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
  background: linear-gradient(90deg, #10b981, #34d399);
}

.meter-fill.normal {
  background: linear-gradient(90deg, #10b981, #34d399);
}

.meter-fill.warning {
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.meter-fill.critical {
  background: linear-gradient(90deg, #ef4444, #f87171);
}

/* Mini Statistics Grid within Sector */
.telemetry-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 4px;
}

.stat-cell {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.stat-cell-label {
  font-size: 10.5px;
  color: #94a3b8;
  font-weight: 500;
}

.stat-cell-value {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
}

/* ==========================================================================
   6. Apple-Style Smooth Micro-Switches (.apple-switch & .settings-toggle)
   ========================================================================== */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  transition: all 0.2s ease;
}

.toggle-row:hover {
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.1);
}

.toggle-row strong {
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
}

.settings-toggle,
.apple-switch {
  -webkit-appearance: none;
  appearance: none;
  width: 40px;
  height: 22px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 9999px;
  position: relative;
  cursor: pointer;
  transition: background-color 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
  outline: none;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.settings-toggle::before,
.apple-switch::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  top: 2px;
  left: 2px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.35);
}

.settings-toggle:checked,
.apple-switch:checked {
  background: #6366f1;
  border-color: #818cf8;
  box-shadow: 0 0 14px rgba(99, 102, 241, 0.5);
}

.settings-toggle:checked::before,
.apple-switch:checked::before {
  transform: translateX(18px);
}

/* ==========================================================================
   7. Precision Range Sliders (.precision-range-slider & .settings-range)
   ========================================================================== */
.form-group-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: 0.01em;
}

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

.range-val {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  font-weight: 600;
  color: #818cf8;
  background: rgba(99, 102, 241, 0.1);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.settings-range,
.precision-range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.09);
  border-radius: 9999px;
  outline: none;
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.settings-range:hover,
.precision-range-slider:hover {
  background: rgba(255, 255, 255, 0.14);
}

.settings-range::-webkit-slider-thumb,
.precision-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #6366f1;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.7);
  border: 2px solid #ffffff;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.settings-range::-webkit-slider-thumb:hover,
.precision-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: #818cf8;
}

.settings-range::-moz-range-thumb,
.precision-range-slider::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #6366f1;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.7);
  border: 2px solid #ffffff;
}

/* Settings Select (Dropdown) */
.settings-select {
  height: 38px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 0 32px 0 12px;
  font-size: 12px;
  color: #ffffff;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.settings-select:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
  outline: none;
}

.settings-select option {
  background-color: #0c101c;
  color: #ffffff;
}

/* ==========================================================================
   8. Radio Cards (Telephony Protocol & Gateway Selector)
   ========================================================================== */
.radio-options-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.radio-card:hover {
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.12);
}

.radio-card.active,
.radio-card:has(input[type="radio"]:checked) {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.12);
}

.radio-card input[type="radio"] {
  margin-top: 3px;
  accent-color: #6366f1;
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.radio-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.radio-content strong {
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
}

.radio-content span {
  font-size: 11px;
  color: #94a3b8;
  line-height: 1.35;
}

/* ==========================================================================
   9. Integration Items (Backward-Compatible MCP List)
   ========================================================================== */
.integration-items-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.integration-item {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: all 0.2s ease;
}

.integration-item:hover {
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.1);
}

.integration-info {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.int-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  margin-top: 2px;
}

.integration-info strong {
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
}

.integration-info p {
  font-size: 11px;
  color: #94a3b8;
  margin-top: 2px;
  line-height: 1.35;
}

.integration-status {
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

/* ==========================================================================
   10. Action Buttons (Primary, Secondary & Flush)
   ========================================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(180deg, #6366f1 0%, #4f46e5 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.35);
  white-space: nowrap;
}

.btn-primary:hover {
  background: linear-gradient(180deg, #818cf8 0%, #6366f1 100%);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 500;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.btn-flush-cache {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 11.5px;
  font-weight: 600;
  color: #f87171;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-flush-cache:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
}

/* ==========================================================================
   11. Mobile P100 & High-DPI Responsive Viewport Adaptation
   ========================================================================== */
@media (max-width: 900px) {
  .system-health-grid,
  .settings-grid {
    grid-template-columns: 1fr !important;
    gap: 14px;
  }

  .settings-room-container {
    padding: 16px 14px 28px !important;
  }

  .settings-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .settings-header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .telemetry-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .settings-room-container {
    padding: 12px 10px 24px !important;
    max-width: 100vw !important;
  }

  .telemetry-stats-grid {
    grid-template-columns: 1fr;
  }
}