/* ============================================================
   ENGAGEMENT & ANIMATION LAYER — SIDDHARTH GUPTA PORTFOLIO
   High-performance, accessible, curiousity-driven interactions.
   ============================================================ */

/* ------------------------------------------------------------
   ACCENT THEME VARIABLES (Dynamic live-tinting)
   ------------------------------------------------------------ */
:root {
  --accent-color: #a3a6ff;
  --accent-rgb: 163, 166, 255;
  --accent-glow: rgba(163, 166, 255, 0.35);
  --accent-subtle: rgba(163, 166, 255, 0.12);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 180ms;
  --dur-mid: 280ms;
  --dur-slow: 450ms;
}

[data-accent="cyan"] {
  --periwinkle: #00e5ff;
  --peri-rgb: 0, 229, 255;
  --accent-color: #00e5ff;
  --accent-rgb: 0, 229, 255;
  --accent-glow: rgba(0, 229, 255, 0.35);
  --accent-subtle: rgba(0, 229, 255, 0.12);
}

[data-accent="emerald"] {
  --periwinkle: #00f5a0;
  --peri-rgb: 0, 245, 160;
  --accent-color: #00f5a0;
  --accent-rgb: 0, 245, 160;
  --accent-glow: rgba(0, 245, 160, 0.35);
  --accent-subtle: rgba(0, 245, 160, 0.12);
}

[data-accent="amber"] {
  --periwinkle: #ffb300;
  --peri-rgb: 255, 179, 0;
  --accent-color: #ffb300;
  --accent-rgb: 255, 179, 0;
  --accent-glow: rgba(255, 179, 0, 0.35);
  --accent-subtle: rgba(255, 179, 0, 0.12);
}

[data-accent="violet"] {
  --periwinkle: #d946ef;
  --peri-rgb: 217, 70, 239;
  --accent-color: #d946ef;
  --accent-rgb: 217, 70, 239;
  --accent-glow: rgba(217, 70, 239, 0.35);
  --accent-subtle: rgba(217, 70, 239, 0.12);
}

/* ------------------------------------------------------------
   NAVBAR ENHANCEMENTS: Search, Terminal, Audio, Themes
   ------------------------------------------------------------ */
.nav-actions-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-tool-btn {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  color: var(--navy);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--dur-fast) var(--ease-out-expo);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-tool-btn:hover {
  background: rgba(var(--peri-rgb), 0.18);
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.nav-tool-btn kbd {
  background: rgba(var(--navy-rgb), 0.12);
  border: 1px solid rgba(var(--peri-rgb), 0.3);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--navy-mid);
}

[data-theme="dark"] .nav-tool-btn kbd {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.theme-swatches {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 4px;
}

.swatch-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  transition: transform var(--dur-fast) ease, border-color var(--dur-fast) ease;
  padding: 0;
}

.swatch-dot:hover {
  transform: scale(1.3);
}

.swatch-dot.active {
  border-color: var(--navy);
  transform: scale(1.2);
}

.swatch-peri { background: #a3a6ff; }
.swatch-cyan { background: #00e5ff; }
.swatch-emerald { background: #00f5a0; }
.swatch-amber { background: #ffb300; }
.swatch-violet { background: #d946ef; }

/* ------------------------------------------------------------
   A. "CHOOSE YOUR PATH" ENTRY
   ------------------------------------------------------------ */
.path-selector-wrap {
  margin-top: 32px;
  padding: 18px 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 2;
  transition: all var(--dur-mid) var(--ease-out-expo);
}

.path-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.path-title {
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--navy-mid);
  display: flex;
  align-items: center;
  gap: 8px;
}

.path-title .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-color);
  animation: pulse-ring 2s infinite;
}

.path-reset-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-decoration: underline;
  cursor: pointer;
  transition: color var(--dur-fast) ease;
}

.path-reset-btn:hover {
  color: var(--accent-color);
}

.path-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.path-card {
  background: rgba(var(--frost-rgb), 0.75);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  transition: all var(--dur-mid) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.path-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
  box-shadow: 0 8px 24px var(--accent-subtle);
}

.path-card.active {
  background: rgba(var(--peri-rgb), 0.15);
  border-color: var(--accent-color);
  box-shadow: 0 0 20px var(--accent-glow);
}

.path-card.active::before {
  content: '✓ Selected';
  position: absolute;
  top: 8px;
  right: 10px;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: 0.05em;
}

.path-badge {
  font-size: 1.25rem;
  margin-bottom: 6px;
  display: block;
}

.path-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 3px;
}

.path-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Persona active highlights on target sections */
body[data-persona="recruiter"] #dashboards,
body[data-persona="recruiter"] #experience,
body[data-persona="recruiter"] .btn-resume {
  animation: persona-glow 3s infinite alternate;
}

body[data-persona="collaborator"] #projects,
body[data-persona="collaborator"] #achievements,
body[data-persona="collaborator"] #github-btn {
  animation: persona-glow 3s infinite alternate;
}

@keyframes persona-glow {
  0% { box-shadow: 0 0 0 transparent; }
  100% { box-shadow: 0 0 30px var(--accent-subtle); }
}

/* ------------------------------------------------------------
   VELOCITY MARQUEE TICKER
   ------------------------------------------------------------ */
.marquee-container {
  width: 100%;
  overflow: hidden;
  background: var(--lilac);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  margin: 40px 0;
  white-space: nowrap;
  position: relative;
  z-index: 1;
}

.marquee-track {
  display: inline-flex;
  gap: 30px;
  animation: marquee-scroll 24s linear infinite;
  will-change: transform;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-mid);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.marquee-item .sep {
  color: var(--accent-color);
  font-size: 1.1rem;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ------------------------------------------------------------
   B. SIGNALS DISCOVERY HUD & MODAL
   ------------------------------------------------------------ */
.signals-hud {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 998;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 8px 16px 8px 10px;
  box-shadow: var(--shadow-lg), 0 0 20px rgba(var(--peri-rgb), 0.15);
  cursor: pointer;
  transition: all var(--dur-mid) var(--ease-out-expo);
  user-select: none;
}

.signals-hud:hover {
  transform: translateY(-3px) scale(1.03);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-lg), 0 0 35px var(--accent-glow);
}

.signals-hud.pulse {
  animation: hud-bounce 0.6s var(--ease-out-expo);
}

@keyframes hud-bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.hud-progress-svg {
  width: 32px;
  height: 32px;
  transform: rotate(-90deg);
}

.hud-ring-bg {
  stroke: rgba(var(--peri-rgb), 0.2);
  stroke-width: 3;
  fill: none;
}

.hud-ring-val {
  stroke: var(--accent-color);
  stroke-width: 3;
  stroke-linecap: round;
  fill: none;
  stroke-dasharray: 88;
  stroke-dashoffset: 88;
  transition: stroke-dashoffset 0.5s ease;
}

.hud-info {
  display: flex;
  flex-direction: column;
}

.hud-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.hud-count {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy);
}

/* Signals Radar Drawer / Modal */
.signals-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(var(--navy-rgb), 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) ease;
}

.signals-modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.signals-modal {
  background: var(--frost);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 50px var(--accent-glow);
  width: 90%;
  max-width: 640px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--dur-mid) var(--ease-out-expo);
  color: var(--navy);
}

.signals-modal-backdrop.open .signals-modal {
  transform: translateY(0) scale(1);
}

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

.signals-modal-header h3 {
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.signals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.signal-radar-item {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  transition: all var(--dur-fast) ease;
}

.signal-radar-item.unlocked {
  border-color: var(--accent-color);
  background: rgba(var(--peri-rgb), 0.08);
}

.signal-radar-item .sig-icon {
  font-size: 1.1rem;
}

.signal-radar-item .sig-details {
  flex: 1;
}

.signal-radar-item .sig-title {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}

.signal-radar-item .sig-hint {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.unlock-reward-btn {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--accent-color);
  color: #fff;
  border: none;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
}

.unlock-reward-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--accent-glow);
}

/* Behind the build panel */
.behind-build-content {
  line-height: 1.7;
  font-size: 0.92rem;
  color: var(--text-body);
}

.behind-build-content h4 {
  color: var(--navy);
  margin: 16px 0 6px 0;
  font-size: 1rem;
}

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}

.tech-pill {
  background: rgba(var(--peri-rgb), 0.15);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-family: monospace;
}

/* ------------------------------------------------------------
   C. "ASK SIDDHARTH'S PORTFOLIO" COMMAND PALETTE
   ------------------------------------------------------------ */
.palette-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(var(--navy-rgb), 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10001;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) ease;
}

.palette-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.palette-box {
  background: var(--frost);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 60px var(--accent-glow);
  width: 90%;
  max-width: 620px;
  overflow: hidden;
  transform: translateY(-15px) scale(0.98);
  transition: transform var(--dur-mid) var(--ease-out-expo);
}

.palette-backdrop.open .palette-box {
  transform: translateY(0) scale(1);
}

.palette-input-wrap {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.palette-input-wrap svg {
  color: var(--accent-color);
  flex-shrink: 0;
}

.palette-input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  color: var(--navy);
}

.palette-input::placeholder {
  color: var(--text-muted);
}

.palette-badge {
  font-size: 0.65rem;
  background: rgba(var(--peri-rgb), 0.15);
  color: var(--navy-mid);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  white-space: nowrap;
}

.palette-results {
  max-height: 50vh;
  overflow-y: auto;
  padding: 12px;
}

.palette-answer-card {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  line-height: 1.6;
}

.palette-answer-text {
  font-size: 0.92rem;
  color: var(--navy);
  margin-bottom: 12px;
}

.palette-jump-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-color);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--dur-fast) ease;
}

.palette-jump-btn:hover {
  opacity: 0.85;
}

.palette-suggestions-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  padding: 6px 10px;
}

.palette-suggestion-chip {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: var(--navy);
  cursor: pointer;
  transition: background var(--dur-fast) ease;
}

.palette-suggestion-chip:hover {
  background: rgba(var(--peri-rgb), 0.12);
  color: var(--accent-color);
}

/* ------------------------------------------------------------
   D. PLAYFUL LIVE DEMOS (TUMORNET & CANVAS AI)
   ------------------------------------------------------------ */
.lab-demos-container {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.lab-demo-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.lab-demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.lab-demo-title {
  font-size: 1.15rem;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
}

.lab-demo-badge {
  font-size: 0.7rem;
  background: rgba(var(--peri-rgb), 0.15);
  color: var(--navy-mid);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-weight: 600;
}

.honest-disclaimer {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(var(--navy-rgb), 0.04);
  border-left: 3px solid var(--accent-color);
  padding: 6px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
  line-height: 1.4;
}

/* Mini TumorNet Viewer */
.tumornet-canvas-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  background: #05070f;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: inset 0 0 30px rgba(0,0,0,0.8);
}

.tumornet-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.tumornet-controls {
  margin-top: 14px;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-family: monospace;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.tumornet-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(var(--peri-rgb), 0.2);
  outline: none;
  accent-color: var(--accent-color);
  cursor: pointer;
}

/* Canvas AI Sketch Pad */
.sketchpad-wrap {
  position: relative;
  width: 100%;
  background: #ffffff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

[data-theme="dark"] .sketchpad-wrap {
  background: #121626;
}

.sketchpad-canvas {
  width: 100%;
  height: 190px;
  display: block;
  touch-action: none;
}

.sketchpad-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.sketch-tool-btn {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  color: var(--navy);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur-fast) ease;
}

.sketch-tool-btn:hover {
  background: var(--accent-color);
  color: #fff;
  border-color: var(--accent-color);
}

/* ------------------------------------------------------------
   F. TERMINAL MODAL & RUNTIME (Docked, Unblocks Page Scrollbar)
   ------------------------------------------------------------ */
.terminal-modal-backdrop {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 14px; /* Leaves the native right-edge scrollbar completely uncovered! */
  height: 0;
  z-index: 9995;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none; /* Let clicks pass to page when outside the terminal box */
  transition: height 0.25s var(--ease-out-expo);
}

.terminal-modal-backdrop.open {
  height: 44vh;
  min-height: 290px;
  max-height: 520px;
}

.terminal-window {
  width: 100%;
  max-width: 900px;
  height: 100%;
  background: #0c101c;
  border: 1px solid rgba(var(--peri-rgb), 0.35);
  border-bottom: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.75), 0 0 40px var(--accent-glow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: 'Space Grotesk', 'Courier New', monospace;
  position: relative;
  pointer-events: auto; /* Terminal interacts normally */
  transform: translateY(100%);
  transition: transform 0.25s var(--ease-out-expo);
}

.terminal-modal-backdrop.open .terminal-window {
  transform: translateY(0);
}

/* CRT scanline texture */
.terminal-window::after {
  content: " ";
  display: block;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  z-index: 20;
  background-size: 100% 2px, 3px 100%;
  pointer-events: none;
  opacity: 0.6;
}

.terminal-topbar {
  background: #141a2e;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(var(--peri-rgb), 0.2);
  z-index: 25;
}

.terminal-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.t-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
}

.t-dot-red { background: #ff5f56; }
.t-dot-yellow { background: #ffbd2e; }
.t-dot-green { background: #27c93f; }

.terminal-title {
  font-size: 0.78rem;
  color: #a0a4c8;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-title span.hint {
  color: #7b7fa0;
  font-size: 0.72rem;
}

.terminal-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-safe-btn {
  background: rgba(var(--peri-rgb), 0.15);
  border: 1px solid var(--border);
  color: #a3a6ff;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  padding: 2px 8px;
  cursor: pointer;
}

.terminal-safe-btn:hover {
  background: var(--accent-color);
  color: #0c101c;
}

.terminal-close {
  background: none;
  border: none;
  color: #a0a4c8;
  font-size: 1rem;
  cursor: pointer;
}

.terminal-close:hover {
  color: #ff5f56;
}

.terminal-body {
  flex: 1;
  padding: 14px 16px;
  overflow-y: auto;
  overscroll-behavior: contain;
  color: #e8e9ff;
  font-size: 0.88rem;
  line-height: 1.5;
  z-index: 25;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-color) #090c17;
}

.terminal-body::-webkit-scrollbar {
  width: 8px;
}
.terminal-body::-webkit-scrollbar-track {
  background: #090c17;
}
.terminal-body::-webkit-scrollbar-thumb {
  background: #333d6b;
  border-radius: 4px;
}
.terminal-body::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

.terminal-jump-bottom {
  position: absolute;
  bottom: 48px;
  right: 18px;
  background: var(--accent-color);
  color: #0c101c;
  border: none;
  border-radius: var(--radius-pill);
  padding: 3px 9px;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  z-index: 30;
  display: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.terminal-jump-bottom.show {
  display: block;
}

.terminal-line {
  margin-bottom: 4px;
  white-space: pre-wrap;
  word-break: break-word;
}

.t-prompt {
  color: var(--accent-color);
  font-weight: 700;
}

.t-out {
  color: #cbd0f6;
}

.t-success {
  color: #00f5a0;
}

.t-warn {
  color: #ffb300;
}

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #090c17;
  border-top: 1px solid rgba(var(--peri-rgb), 0.15);
  z-index: 25;
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
}

/* ------------------------------------------------------------
   G. LAB MODE OVERLAY (Konami Code)
   ------------------------------------------------------------ */
.lab-mode-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  display: none;
}

.lab-mode-overlay.active {
  display: block;
}

.lab-grid-lines {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(var(--peri-rgb), 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(var(--peri-rgb), 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.lab-hud-box {
  position: absolute;
  top: 85px;
  left: 20px;
  background: rgba(12, 16, 28, 0.85);
  border: 1px solid var(--accent-color);
  padding: 10px 14px;
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--accent-color);
  line-height: 1.4;
  backdrop-filter: blur(6px);
}

/* Project card share link & 3D tilt sheen */
.project-card {
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out, box-shadow 0.3s ease;
  position: relative;
}

.card-share-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(var(--peri-rgb), 0.12);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 4px 8px;
  font-size: 0.72rem;
  color: var(--navy-mid);
  cursor: pointer;
  transition: all var(--dur-fast) ease;
}

.card-share-btn:hover {
  background: var(--accent-color);
  color: #fff;
  border-color: var(--accent-color);
}

.project-highlight-flash {
  animation: card-flash 1.8s var(--ease-out-expo);
}

@keyframes card-flash {
  0%, 100% { box-shadow: var(--shadow-md); }
  50% { box-shadow: 0 0 40px var(--accent-color); border-color: var(--accent-color); }
}

/* Idle hint toast */
.idle-hint-banner {
  position: fixed;
  bottom: 80px;
  right: 24px;
  background: var(--glass-bg);
  border: 1px solid var(--accent-color);
  backdrop-filter: blur(16px);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--navy);
  box-shadow: 0 10px 30px var(--accent-subtle);
  z-index: 997;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--dur-mid) var(--ease-out-expo);
}

.idle-hint-banner.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.idle-hint-close {
  background: none;
  border: none;
  font-size: 1rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* ------------------------------------------------------------
   H. PREFERS-REDUCED-MOTION (STRICT DEGRADATION)
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .marquee-track {
    animation: none !important;
  }

  .project-card {
    transform: none !important;
  }

  .signals-hud.pulse {
    animation: none !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 768px) {
  .path-options {
    grid-template-columns: 1fr;
  }

  .signals-hud {
    bottom: 16px;
    right: 16px;
  }

  .nav-tool-btn span.btn-label {
    display: none;
  }
}