/* ==========================================================================
   Nebula Architect Master Stylesheet
   Rooms OS — Studio Room Reference OS
   ========================================================================== */

/* 1. Core Tokens & Reset */
:root {
  --font-display: 'Space Grotesk', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Premium Color Palette */
  --color-bg-dark: #020207;
  --color-panel: #0d0e1bdf;
  --color-panel-raised: #121327f2;
  --color-glass-bg: rgba(10, 11, 23, 0.72);
  --color-glass-border: rgba(215, 161, 111, 0.18);
  --color-glass-border-hover: rgba(215, 161, 111, 0.45);

  --color-copper: #d7a16f;
  --color-copper-glow: rgba(215, 161, 111, 0.3);
  --color-magenta: #ff3b99;
  --color-magenta-glow: rgba(255, 59, 153, 0.4);
  --color-alert: var(--color-magenta);
  --color-alert-glow: var(--color-magenta-glow);
  --color-cyan: #00f5d4;
  --color-cyan-glow: rgba(0, 245, 212, 0.4);
  --color-violet: #8b5cf6;

  --color-text-primary: #f5f8ff;
  --color-text-secondary: #aebbe6;
  --color-text-muted: #6e79a3;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  background-color: var(--color-bg-dark);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  cursor: none; /* Hide default cursor to use premium ring cursor */
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--color-glass-border);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-copper);
}

/* 2. Space Background & Ambient Glows */
.space-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -10;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, #060714 0%, var(--color-bg-dark) 100%);
}

.stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background-image:
    radial-gradient(1.5px 1.5px at 20px 30px, #fff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 50px 70px, rgba(255,255,255,0.7), rgba(0,0,0,0)),
    radial-gradient(2px 2px at 150px 100px, rgba(255,255,255,0.9), rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 220px 180px, #fff, rgba(0,0,0,0));
  background-repeat: repeat;
  background-size: 280px 280px;
  opacity: 0.25;
  animation: starRotate 240s linear infinite;
  transform-origin: center center;
}

@keyframes starRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.nebula-pink, .nebula-cyan {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.15;
  mix-blend-mode: screen;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.nebula-pink {
  top: 15%;
  right: 10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, var(--color-magenta) 0%, transparent 80%);
}

.nebula-cyan {
  bottom: 10%;
  left: 5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-cyan) 0%, transparent 80%);
}

/* 3. Layout Control Deck */
.control-deck {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100vh;
  padding: 1.2rem;
  gap: 1.2rem;
}

/* Header Top Deck */
.top-deck-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 50px;
  padding: 0 1.2rem;
  background: var(--color-glass-bg);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(25px);
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-cyan);
  animation: pulse 1.8s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.1); box-shadow: 0 0 12px var(--color-cyan); }
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.divider {
  color: var(--color-copper);
  opacity: 0.5;
}

.sub-brand {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.top-nav {
  display: flex;
  gap: 1.5rem;
  min-width: 0;
}

.top-nav a {
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
  transition: var(--transition-fast);
  padding: 0.2rem 0.5rem;
  border-bottom: 2px solid transparent;
}

.top-nav a:hover, .top-nav a.active {
  color: var(--color-copper);
  border-bottom-color: var(--color-copper);
}

.top-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-copper);
  min-width: 0;
}

/* 4. Notification Banner */
.notification-banner {
  position: absolute;
  top: 75px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  opacity: 0;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 1.4rem;
  background: rgba(18, 19, 39, 0.95);
  border: 1px solid var(--color-copper);
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), 0 0 15px var(--color-copper-glow);
  z-index: 1000;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.notification-banner.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.notif-icon {
  color: var(--color-copper);
  font-size: 0.8rem;
  animation: pulse 1.5s infinite;
}

.notif-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
}

/* 5. Main Grid Workspace */
.workspace-grid {
  display: grid;
  grid-template-columns: 340px 1fr 340px;
  flex: 1;
  gap: 1.2rem;
  min-height: 0; /* Critical for scrollable internal columns */
}

.panel-section {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.glass-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-glass-bg);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(30px);
  box-shadow: 0 30px 70px rgba(0,0,0,0.5);
  overflow: hidden;
  transition: border-color 0.4s ease;
}

.glass-card:hover {
  border-color: var(--color-glass-border-hover);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem;
  border-bottom: 1px solid var(--color-glass-border);
}

.label-tech {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-copper);
}

.indicator-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  background: rgba(0, 245, 212, 0.1);
  border: 1px solid var(--color-cyan);
  border-radius: var(--radius-pill);
  color: var(--color-cyan);
  letter-spacing: 0.05em;
}

.indicator-tag.highlight {
  background: rgba(215, 161, 111, 0.1);
  border-color: var(--color-copper);
  color: var(--color-copper);
}

.card-body {
  flex: 1;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  overflow-y: auto;
  min-height: 0;
}

.section-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* 6. Telemetry Radar (Left) */
.radar-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  aspect-ratio: 1;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  position: relative;
  touch-action: none;
}

.radar-grid {
  width: 100%;
  height: 100%;
  overflow: visible;
  touch-action: none;
}

.radar-ring {
  fill: none;
  stroke: var(--color-glass-border);
  stroke-width: 1px;
}

.radar-axis {
  stroke: var(--color-glass-border);
  stroke-width: 1px;
  stroke-dasharray: 2 4;
}

.radar-sweeper {
  stroke: rgba(0, 245, 212, 0.4);
  stroke-width: 1.5px;
  transform-origin: 100px 100px;
  animation: sweep 4s linear infinite;
}

@keyframes sweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.radar-target {
  fill: var(--color-cyan);
  cursor: pointer;
  filter: drop-shadow(0 0 6px var(--color-cyan));
  transition: transform 0.1s ease;
}

.radar-target-aura {
  fill: none;
  stroke: var(--color-cyan);
  stroke-width: 1px;
  opacity: 0.3;
  animation: pulseRing 2s infinite ease-out;
  transform-origin: 130px 70px; /* Synchronized dynamically in js */
}

@keyframes pulseRing {
  0% { transform: scale(0.5); opacity: 0.6; }
  100% { transform: scale(1.6); opacity: 0; }
}

.telemetry-readout {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-sm);
  padding: 0.7rem;
}

.telemetry-item {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.telemetry-label {
  color: var(--color-text-muted);
}

.telemetry-val {
  color: var(--color-copper);
  font-weight: 700;
}

/* Diagnostic Console */
.diagnostic-console {
  display: flex;
  flex-direction: column;
  height: 120px;
  background: #020205;
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.console-header {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.35rem 0.6rem;
  background: rgba(215, 161, 111, 0.15);
  border-bottom: 1px solid var(--color-glass-border);
  color: var(--color-copper);
  letter-spacing: 0.08em;
}

.console-body {
  flex: 1;
  padding: 0.6rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.console-line {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.console-line.alert {
  color: var(--color-magenta);
}

/* 7. Center Stage - Geodesic Dome Visualizer */
.center-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.visualizer-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at center, rgba(139, 92, 246, 0.06), transparent 75%), var(--color-glass-bg);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
}

.dome-scene {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.dome-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.01) 60%, rgba(0,0,0,0.5) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow:
    inset 0 10px 40px rgba(255,255,255,0.1),
    inset -10px -10px 40px rgba(0,0,0,0.6),
    0 20px 60px rgba(0,0,0,0.6),
    0 0 50px rgba(139, 92, 246, 0.1);
  backdrop-filter: blur(2px);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition-smooth);
}

.dome-core {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-cyan) 0%, var(--color-magenta) 60%, transparent 100%);
  filter: blur(15px);
  opacity: 0.7;
  mix-blend-mode: screen;
  animation: corePulse 6s infinite ease-in-out;
  transition: var(--transition-smooth);
}

@keyframes corePulse {
  0%, 100% { transform: scale(0.95); opacity: 0.6; filter: blur(15px); }
  50% { transform: scale(1.08); opacity: 0.85; filter: blur(20px); }
}

.dome-shields {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-image:
    radial-gradient(circle at 50% 50%, transparent 95%, var(--color-copper-glow) 100%),
    repeating-linear-gradient(45deg, transparent, transparent 15px, rgba(215, 161, 111, 0.03) 15px, rgba(215, 161, 111, 0.03) 30px);
  opacity: 0.6;
  transition: var(--transition-smooth);
}

.dome-shields.shimmering {
  animation: shieldShimmer 0.4s infinite alternate;
}

@keyframes shieldShimmer {
  0% { opacity: 0.5; box-shadow: inset 0 0 20px rgba(215, 161, 111, 0.2); }
  100% { opacity: 0.9; box-shadow: inset 0 0 45px rgba(215, 161, 111, 0.6); }
}

/* Light beams */
.light-beam {
  position: absolute;
  width: 80px;
  height: 380px;
  background: linear-gradient(to top, rgba(255, 59, 153, 0.1), transparent);
  filter: blur(25px);
  pointer-events: none;
  transform-origin: bottom center;
}

.left-beam {
  left: 20%;
  bottom: 0;
  transform: rotate(-15deg);
  background: linear-gradient(to top, rgba(0, 245, 212, 0.08), transparent);
}

.right-beam {
  right: 20%;
  bottom: 0;
  transform: rotate(15deg);
}

/* HUD Digital Telemetry */
.hud-deck {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 1.2rem;
  z-index: 10;
}

.hud-stat-card {
  background: rgba(10, 11, 23, 0.85);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.hud-stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
}

.hud-stat-val {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.text-success { color: var(--color-cyan); text-shadow: 0 0 10px rgba(0,245,212,0.3); }
.text-cyan { color: var(--color-copper); text-shadow: 0 0 10px rgba(215,161,111,0.3); }
.text-alert { color: var(--color-alert); text-shadow: 0 0 10px var(--color-alert-glow); }

.hud-bar-bg {
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.hud-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.bg-success { background-color: var(--color-cyan); box-shadow: 0 0 8px var(--color-cyan); }
.bg-cyan { background-color: var(--color-copper); box-shadow: 0 0 8px var(--color-copper); }
.bg-alert { background-color: var(--color-alert); box-shadow: 0 0 8px var(--color-alert); }

/* 8. Physics Controls (Right) */
.controls-grid {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
}

.slider-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-copper);
}

.tech-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  outline: none;
}

.tech-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-copper);
  border: 1px solid var(--color-bg-dark);
  box-shadow: 0 0 10px var(--color-copper);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.tech-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-caveat {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--color-text-muted);
}

/* Action Buttons Deck */
.action-buttons-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  margin-top: 0.5rem;
}

.btn {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  letter-spacing: 0.04em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-copper), var(--color-violet));
  color: var(--color-bg-dark);
  box-shadow: 0 4px 15px rgba(215, 161, 111, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(215, 161, 111, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255,255,255,0.04);
  border-color: var(--color-glass-border);
  color: var(--color-text-primary);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--color-glass-border-hover);
  transform: translateY(-1px);
}

.tech-spec-table {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--color-glass-border);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.spec-label {
  color: var(--color-text-muted);
}

.spec-val {
  color: var(--color-text-secondary);
}

/* 9. Bottom Deck - Timeline Controller */
.bottom-deck-timeline {
  display: flex;
  flex-direction: column;
  background: var(--color-glass-bg);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(25px);
  padding: 1.2rem;
  gap: 0.8rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

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

.timeline-slider-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.8rem;
}

.timeline-beat-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 0.8rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.timeline-beat-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--color-glass-border-hover);
  transform: translateY(-2px);
}

.timeline-beat-card.active {
  background: rgba(215, 161, 111, 0.05);
  border-color: var(--color-copper);
  box-shadow: 0 4px 20px rgba(215, 161, 111, 0.15);
}

.beat-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-copper);
  margin-bottom: 0.2rem;
}

.beat-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.beat-desc {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* 10. Pointer Ring Cursor */
.ring-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  border: 1.5px solid var(--color-copper);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, border-color 0.2s;
  mix-blend-mode: screen;
}

/* 11. Responsive Layout Rules */
@media (max-width: 1100px) {
  .workspace-grid {
    grid-template-columns: 320px 1fr;
  }
  .right-pane {
    grid-column: span 2;
  }
  .timeline-slider-track {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 780px) {
  html,
  body {
    overflow-x: hidden;
  }
  body {
    cursor: default;
  }
  .control-deck {
    height: auto;
    min-height: 100vh;
    padding: 1rem;
  }
  .stars {
    width: 100%;
    height: 100%;
  }
  .nebula-pink,
  .nebula-cyan {
    width: 80vw;
    height: 80vw;
  }
  .nebula-pink {
    right: -25vw;
  }
  .nebula-cyan {
    left: -25vw;
  }
  .top-deck-header {
    height: auto;
    min-height: 50px;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
  }
  .brand,
  .top-nav,
  .top-meta {
    width: 100%;
  }
  .brand {
    flex-wrap: wrap;
  }
  .top-nav {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .ring-cursor {
    display: none;
  }
  .workspace-grid {
    grid-template-columns: 1fr;
  }
  .panel-section,
  .glass-card,
  .visualizer-container {
    width: 100%;
    min-width: 0;
  }
  .card-header {
    flex-wrap: wrap;
    gap: 0.6rem;
  }
  .left-pane, .right-pane {
    grid-column: span 1;
  }
  .center-stage {
    min-height: 450px;
  }
  .timeline-slider-track {
    grid-template-columns: 1fr;
  }
  .timeline-beat-card {
    display: block !important;
  }
}