/* ═══════════════════════════════════════════════════════════
   objectminter — immersive 3D portfolio
   A spatial experience through digital works
   ═══════════════════════════════════════════════════════════ */

/* ─── Design Tokens ─────────────────────────────────────── */
:root {
  --bg: #050505;
  --bg-panel: rgba(8, 8, 8, 0.85);
  --text: #f0f0f0;
  --text-dim: #888888;
  --text-muted: #555555;
  --accent: #ffffff;
  --border: rgba(255, 255, 255, 0.08);
  --glow: rgba(255, 255, 255, 0.03);
  
  --font-mono: "Space Mono", "SF Mono", "Consolas", monospace;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  cursor: crosshair;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ─── Loader ────────────────────────────────────────────── */
.loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-out), visibility 0.8s;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
}

.loader-text {
  font-size: 1.5rem;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-lg);
  opacity: 0.8;
}

.loader-progress {
  width: 200px;
  height: 2px;
  background: var(--border);
  margin: 0 auto var(--space-md);
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  width: 0%;
  background: var(--text);
  transition: width 0.3s ease-out;
}

.loader-status {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ─── 3D Canvas ─────────────────────────────────────────── */
#canvas3d {
  position: fixed;
  inset: 0;
  z-index: 1;
}

/* ─── UI Layer ──────────────────────────────────────────── */
.ui-layer {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.ui-layer > * {
  pointer-events: auto;
}

/* ─── Navigation ────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
}

.nav-brand {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.6;
  transition: opacity 0.3s;
}

.nav-brand:hover {
  opacity: 1;
}

.nav-controls {
  display: flex;
  gap: var(--space-md);
}

.nav-btn {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: var(--space-xs) 0;
  position: relative;
  transition: color 0.3s;
}

.nav-btn::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width 0.4s var(--ease-out);
}

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

.nav-btn:hover::after {
  width: 100%;
}

.nav-btn:focus-visible {
  outline: 1px solid var(--text-dim);
  outline-offset: 4px;
}

/* ─── Sections ──────────────────────────────────────────── */
.section {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.section.active {
  display: flex;
  pointer-events: auto;
  animation: sectionFadeIn 0.5s var(--ease-out);
}

@keyframes sectionFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Intro Section ─────────────────────────────────────── */
.intro-content {
  text-align: center;
  max-width: 600px;
  padding: var(--space-lg);
}

.intro-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.intro-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  background: linear-gradient(180deg, var(--text), var(--text-dim));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.intro-sub {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: var(--space-xl);
}

.intro-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.scroll-indicator {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.3); }
}

/* ─── Work Info Panel ───────────────────────────────────── */
.work-info {
  position: fixed;
  bottom: var(--space-xl);
  left: var(--space-lg);
  max-width: 400px;
  background: var(--bg-panel);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s var(--ease-out);
}

.work-info.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.work-info-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 24px;
  height: 24px;
  font-size: 1.2rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s;
}

.work-info-close:hover {
  color: var(--text);
}

.work-info-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.work-info-year {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.work-info-desc {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin-bottom: var(--space-sm);
}

.work-info-tech {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.work-info-tech span {
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ─── About Section ─────────────────────────────────────── */
.about-panel {
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--space-lg);
  background: var(--bg-panel);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
}

.about-title {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.about-text {
  margin-bottom: var(--space-lg);
}

.about-text p {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-section {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.about-subtitle {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
  font-weight: 400;
}

.about-item {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.about-tools {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.tool {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.3s;
}

.tool:hover {
  border-color: var(--text-dim);
  color: var(--text-dim);
}

/* ─── Contact Section ───────────────────────────────────── */
.contact-panel {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-panel);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
}

.contact-title {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contact-links a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-sm);
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.contact-links a:hover {
  border-color: var(--text-dim);
  background: var(--glow);
}

.contact-label {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-value {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.contact-links a:hover .contact-value {
  color: var(--text);
}

.contact-footer {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ─── Scroll Progress ───────────────────────────────────── */
.scroll-progress {
  position: fixed;
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 100px;
  background: var(--border);
}

.scroll-progress-bar {
  width: 100%;
  height: 0%;
  background: var(--text-dim);
  transition: height 0.1s ease-out;
}

/* ─── Depth Indicator ───────────────────────────────────── */
.depth-indicator {
  position: fixed;
  left: var(--space-lg);
  bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.depth-label {
  color: var(--text-muted);
  text-transform: uppercase;
}

.depth-value {
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* ─── Fullscreen Viewer ─────────────────────────────────── */
.viewer {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease-out);
}

.viewer.active {
  opacity: 1;
  visibility: visible;
}

.viewer-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.viewer-close:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.viewer-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 1.25rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.viewer-nav:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.viewer-prev { left: var(--space-md); }
.viewer-next { right: var(--space-md); }

.viewer-image-wrap {
  max-width: 85vw;
  max-height: 85vh;
}

.viewer-image {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
}

.viewer-info {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-lg);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ─── Cursor States ─────────────────────────────────────── */
body.dragging {
  cursor: grabbing !important;
}

body.hovering-work {
  cursor: pointer;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav {
    padding: var(--space-sm);
  }
  
  .nav-controls {
    gap: var(--space-sm);
  }
  
  .nav-btn {
    font-size: 0.65rem;
  }
  
  .intro-title {
    letter-spacing: 0.05em;
  }
  
  .scroll-progress {
    display: none;
  }
  
  .depth-indicator {
    display: none;
  }
  
  .work-info {
    left: var(--space-sm);
    right: var(--space-sm);
    bottom: var(--space-md);
    max-width: none;
  }
  
  .about-panel,
  .contact-panel {
    margin: var(--space-sm);
    padding: var(--space-md);
  }
  
  .viewer-nav {
    width: 40px;
    height: 40px;
  }
}

/* ─── Reduced Motion ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .scroll-indicator {
    animation: none;
    opacity: 0.5;
  }
}

/* ─── AI Consciousness Panel ────────────────────────────── */
.ai-trigger {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-panel);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  transition: all 0.3s var(--ease-out);
  z-index: 50;
}

.ai-trigger:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

.ai-trigger-icon {
  font-size: 1rem;
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.ai-panel {
  position: fixed;
  bottom: calc(var(--space-lg) + 50px);
  right: var(--space-lg);
  width: 360px;
  max-height: 500px;
  background: var(--bg-panel);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s var(--ease-out);
}

.ai-panel.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ai-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border);
}

.ai-title {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.ai-close {
  width: 24px;
  height: 24px;
  font-size: 1.2rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s;
}

.ai-close:hover {
  color: var(--text);
}

.ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-height: 350px;
}

.ai-message {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ai-message.ai-system .ai-text,
.ai-message.ai-response .ai-text {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-dim);
  font-style: italic;
}

.ai-message.ai-user .ai-text {
  font-size: 0.8rem;
  color: var(--text);
  align-self: flex-end;
  background: rgba(255, 255, 255, 0.05);
  padding: var(--space-xs) var(--space-sm);
  max-width: 80%;
}

.ai-input-wrap {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--border);
}

.ai-input {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  padding: var(--space-xs) var(--space-sm);
  font-family: inherit;
  font-size: 0.8rem;
  color: var(--text);
}

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

.ai-input:focus {
  outline: none;
  border-color: var(--text-dim);
}

.ai-send {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.ai-send:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

.ai-loading {
  display: none;
  justify-content: center;
  gap: 6px;
  padding: var(--space-sm);
}

.ai-loading.active {
  display: flex;
}

.ai-loading-dot {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: ai-pulse 1.4s ease-in-out infinite;
}

.ai-loading-dot:nth-child(2) { animation-delay: 0.2s; }
.ai-loading-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes ai-pulse {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1); }
}

/* Mobile */
@media (max-width: 768px) {
  .ai-panel {
    right: var(--space-sm);
    left: var(--space-sm);
    width: auto;
    bottom: 70px;
  }
  
  .ai-trigger {
    right: var(--space-sm);
    bottom: var(--space-md);
  }
}

/* ─── Focus Visible ─────────────────────────────────────── */
:focus-visible {
  outline: 1px solid var(--text-dim);
  outline-offset: 4px;
}

button:focus:not(:focus-visible) {
  outline: none;
}