/* ═══════════════════════════════════════════════════════════════════════
   3D MAKHONS — Main Stylesheet
   Dark, cinematic design. All tokens as CSS variables.
═══════════════════════════════════════════════════════════════════════ */

/* ── Design tokens ── */
:root {
  /* Colours */
  --color-bg:           #000000;
  --color-card:         #0d0d0d;
  --color-border:       rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(200, 169, 110, 0.35);
  --color-glow-hover:   rgba(200, 169, 110, 0.06);
  --color-text-primary: #ffffff;
  --color-text-muted:   #888888;
  --color-text-dim:     #555555;
  --color-text-faint:   #333333;
  --color-accent-gold:  #c8a96e;
  --color-placeholder:  #444444;
  --color-placeholder-label: #555555;

  /* Canvas background (default; overridden per-card inline) */
  --color-canvas-bg:    #0a0a0a;

  /* Typography */
  --font-display:  'Orbitron', sans-serif;
  --font-mono:     'DM Mono', monospace;

  /* Spacing */
  --header-height:   60px;
  --grid-padding-x:  32px;
  --grid-gap:        24px;
  --card-radius:     8px;
  --card-padding:    16px 20px 20px;

  /* Transitions */
  --transition-card: border-color 0.3s ease, box-shadow 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  background-image: radial-gradient(ellipse at center, #111 0%, #000 100%);
  background-attachment: fixed;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: #2a2a2a;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3a3a3a;
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: #2a2a2a var(--color-bg);
}

/* ═══════════════════════════════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--grid-padding-x);
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.site-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--color-accent-gold);
  letter-spacing: 0.05em;
  user-select: none;
}

.site-tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  user-select: none;
}

.site-tagline a {
  color: var(--color-accent-gold);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.site-tagline a:hover {
  opacity: 0.75;
}

/* ═══════════════════════════════════════════════════════════════════════
   GALLERY GRID
═══════════════════════════════════════════════════════════════════════ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: var(--grid-gap);
  padding: calc(var(--header-height) + 24px) var(--grid-padding-x) 64px;
}

/* ═══════════════════════════════════════════════════════════════════════
   GUN CARD
═══════════════════════════════════════════════════════════════════════ */
.gun-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: var(--transition-card);
  display: flex;
  flex-direction: column;
}

.gun-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 0 40px var(--color-glow-hover);
}

/* ── Canvas wrapper ── */
.gun-card__canvas-wrapper {
  position: relative;
  aspect-ratio: 4 / 3;
  width: 100%;
  overflow: hidden;
  background: var(--color-canvas-bg);
}

.gun-card__canvas-wrapper canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* ── Loading spinner ── */
.gun-spinner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  pointer-events: none;
  z-index: 10;
}

.gun-spinner__ring {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(200, 169, 110, 0.2);
  border-top-color: var(--color-accent-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ── Placeholder label (missing .obj) ── */
.gun-placeholder-label {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-placeholder-label);
  pointer-events: none;
  z-index: 5;
  letter-spacing: 0.05em;
}

/* ── Error overlay ── */
.gun-error {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  z-index: 10;
}

.gun-error__text {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #666666;
  letter-spacing: 0.08em;
}

/* ── Card info section ── */
.gun-card__info {
  padding: var(--card-padding);
  flex: 1;
}

.gun-card__name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: 10px;
}

.gun-card__description {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.75;
  color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════════════════ */
.site-footer {
  text-align: center;
  padding: 40px 0 24px;
  border-top: 1px solid var(--color-border);
}

.site-footer p {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
}

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  :root {
    --grid-padding-x: 16px;
    --grid-gap:        16px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .site-tagline {
    display: none; /* keep header clean on small screens */
  }

  .site-logo {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

/* ============================================================
   PHASE 2 — MODAL & INTERACTION STYLES
   ============================================================ */

/* ── Section title ─────────────────────────────────────────── */
.section-title {
  grid-column: 1 / -1;
  margin-bottom: 40px;
}

.section-title__heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 48px);
  color: var(--color-text-primary);
  line-height: 1.1;
}

.section-title__rule {
  width: 60px;
  height: 2px;
  background: var(--color-accent-gold);
  margin-top: 12px;
}

.section-title__sub {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
  margin-top: 10px;
}

/* ── Resume auto-rotate button ─────────────────────────────── */
.resume-rotate-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 20;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(0, 0, 0, 0.55);
  color: #888888;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  line-height: 1;
  padding: 0;
}

.resume-rotate-btn:hover {
  background: rgba(200, 169, 110, 0.2);
  color: var(--color-accent-gold);
  border-color: rgba(200, 169, 110, 0.5);
}

/* ── Modal backdrop ────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(18px) saturate(0.6);
  -webkit-backdrop-filter: blur(18px) saturate(0.6);

  /* Start invisible — JS adds .modal-backdrop--visible to animate in */
  opacity: 0;
  transition: opacity 0.3s ease;

  /* Centre the container */
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-backdrop--visible {
  opacity: 1;
}

/* ── Modal container ───────────────────────────────────────── */
.modal-container {
  position: relative;
  width: min(92vw, 1100px);
  max-height: 90vh;
  background: #0d0d0d;
  border: 1px solid rgba(200, 169, 110, 0.25);
  border-radius: 12px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 340px;

  /* Entry animation — container scales in with a spring feel */
  transform: scale(0.94);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.3s ease;
}

.modal-backdrop--visible .modal-container {
  transform: scale(1);
  opacity: 1;
}

/* ── Close button ──────────────────────────────────────────── */
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  line-height: 1;
  padding: 0;
}

.modal-close:hover {
  background: rgba(200, 169, 110, 0.2);
  border-color: rgba(200, 169, 110, 0.5);
}

/* ── Modal viewer wrap ─────────────────────────────────────── */
.modal-viewer-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  /* grid-column 1 via grid-template-columns */
}

.modal-viewer-wrap canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* ── Modal info panel ──────────────────────────────────────── */
.modal-info {
  padding: 32px 28px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  /* Smooth scrollbar in info panel */
  scrollbar-width: thin;
  scrollbar-color: #2a2a2a #0d0d0d;
}

.modal-gun-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.08em;
}

.modal-gun-description {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: #999999;
}

/* ── Toggle row (explode + wireframe) ──────────────────────── */
.modal-toggle-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.modal-toggle-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #888888;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  color: #cccccc;
}

.modal-toggle-btn--active {
  background: rgba(200, 169, 110, 0.15);
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

/* ── Stats grid ────────────────────────────────────────────── */
.modal-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.modal-stat-tile {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
}

.modal-stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.modal-stat-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: #cccccc;
  margin-top: 4px;
}

/* ── Lighting mood panel ───────────────────────────────────── */
.modal-lighting {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-lighting__label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.modal-lighting__row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.modal-mood-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 7px 12px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: #888888;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-mood-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  color: #cccccc;
}

.modal-mood-btn--active {
  background: rgba(200, 169, 110, 0.15);
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

/* ── Controls hint row ─────────────────────────────────────── */
.modal-controls-hint {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto; /* push to bottom of info panel */
}

.modal-controls-hint span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-dim);
  letter-spacing: 0.08em;
}

/* ── Mobile modal layout (< 768px) ────────────────────────── */
@media (max-width: 768px) {
  .modal-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    max-height: 90vh;
    overflow-y: auto;
  }

  .modal-viewer-wrap {
    aspect-ratio: 16 / 9;
  }

  .modal-info {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 24px 20px;
    max-height: none;
  }

  .modal-close {
    /* Keep close button accessible on mobile — higher contrast bg */
    background: rgba(0, 0, 0, 0.7);
  }
}