/* lxmuresan — minimal photography portfolio */
:root {
  --bg: #f0f0f0;              /* light neutral gray */
  --fg: #111111;              /* near-black */
  --fg-soft: #666;
  --accent: #111111;          /* pure black accent per user preference */
  --bold: 700;
}

* { box-sizing: border-box; }

html, body, #root {
  margin: 0;
  padding: 0;
  min-height: 100%;
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
html, body { overflow-x: hidden; }

button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.app {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

/* ---------- NAV ---------- */
.nav {
  position: fixed;
  background: transparent;
  padding-bottom: 12px;
  top: 32px;
  left: 40px;
  right: 40px;
  display: flex;
  align-items: baseline;
  gap: 28px;
  z-index: 100;
  font-size: 15px;
  letter-spacing: 0.01em;
}
.nav-item {
  color: var(--fg);
  transition: color 200ms ease;
  font-weight: 500;
  text-shadow: 0 1px 2px rgba(240, 240, 240, 0.8);
  font-size: 15px;
  letter-spacing: 0;
  padding: 2px 0;
  position: relative;
}
.nav-item:hover { color: var(--fg); }
.nav-item.active { color: var(--fg); }

.nav-brand {
  font-weight: var(--bold);
  font-size: 16px;
  margin-right: 12px;
}
.nav-brand.active { color: var(--accent); }
.nav-item.active:not(.nav-brand) {
  color: var(--accent);
  font-weight: 500;
}

/* ---------- STAGE ---------- */
.stage {
  position: relative;
  width: 100%;
  pointer-events: auto;
}

/* ---------- BIO PANEL (home) ---------- */
.about-panel {
  position: absolute;
  top: 90px;
  left: 40px;
  max-width: 300px;
  z-index: 50;
  font-size: 14px;
  color: var(--fg-soft);
  line-height: 1.55;
  pointer-events: none;
}
.about-panel p { margin: 0; }

/* ---------- ABOUT PAGE ---------- */
.about-page {
  position: fixed;
  top: 90px;
  left: 40px;
  max-width: 520px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-soft);
  text-wrap: pretty;
}
.about-page p { margin: 0; }

/* ---------- EMPTY STATE ---------- */
.empty-state {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--fg-soft);
  font-size: 14px;
  line-height: 1.6;
  max-width: 440px;
  padding: 0 24px;
}
.empty-state p { margin: 0 0 6px; }
.empty-state code {
  background: rgba(0,0,0,0.05);
  padding: 1px 6px;
  border-radius: 2px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
}
.empty-hint { font-size: 13px; }

/* ---------- PHOTO TILES ---------- */
.tile {
  transition: transform 600ms cubic-bezier(.2,.8,.2,1), z-index 0s;
  will-change: transform, left, top;
}
.tile:hover {
  z-index: 999 !important;
}
.tile-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: filter 300ms ease;
}
.tile:hover .tile-inner {
  filter: brightness(0.8);
}
@media (hover: none) {
  .tile:hover .tile-inner { filter: none; }
  .tile:active .tile-inner {
    filter: brightness(0.85);
    transition: filter 120ms ease;
  }
}

/* ---------- MOBILE ---------- */
@media (max-width: 720px), (orientation: portrait) {
  .nav {
    top: 20px;
    left: 20px;
    right: 20px;
    gap: 18px;
    font-size: 14px;
  }
  .nav-item { font-size: 14px; }
  .nav-brand { font-size: 15px; margin-right: 4px; }

  .about-panel {
    top: 56px;
    left: 20px;
    right: 20px;
    max-width: none;
    font-size: 13px;
  }
  .about-page {
    top: 56px;
    left: 20px;
    right: 20px;
    max-width: none;
    padding: 0;
    font-size: 13px;
    line-height: 1.6;
  }

  .carousel-stage { padding: 60px 16px; }
  .carousel-close { top: 20px; right: 20px; }
  .carousel-counter { bottom: 20px; font-size: 11px; }

  .tweaks-panel {
    bottom: 16px;
    right: 16px;
    left: 16px;
    min-width: 0;
  }

  .cluster-label {
    font-size: 14px;
    font-weight: 500;
  }
}
.tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
  transition: opacity 500ms ease;
  background: #e5e1d8;
}
.tile-skeleton {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg,
    rgba(0,0,0,0.03) 0%,
    rgba(0,0,0,0.07) 50%,
    rgba(0,0,0,0.03) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.8s linear infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- CLUSTER LABELS (collections) ---------- */
.cluster-label {
  font-size: 13px;
  color: var(--fg);
  letter-spacing: 0.02em;
  font-weight: var(--bold);
  white-space: nowrap;
  pointer-events: none;
  z-index: 1000;
  background: var(--bg);
  padding: 2px 0;
}

/* ---------- CAROUSEL ---------- */
.carousel {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 200ms ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.carousel-stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 80px;
}
.carousel-stage img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  transition: opacity 300ms ease;
  box-shadow: 0 20px 60px rgba(20, 15, 10, 0.08);
}
.carousel-skeleton {
  position: absolute;
  width: 60%;
  height: 60%;
  background: rgba(0,0,0,0.04);
  animation: shimmer 1.8s linear infinite;
}
.edge {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: transparent;
  cursor: w-resize;
}
.edge-left  { left: 0; cursor: w-resize; }
.edge-right { right: 0; cursor: e-resize; }
.edge:hover {
  background: linear-gradient(to right,
    rgba(0,0,0,0.02), transparent 40%);
}
.edge-right:hover {
  background: linear-gradient(to left,
    rgba(0,0,0,0.02), transparent 40%);
}
.carousel-close {
  position: absolute;
  top: 32px;
  right: 40px;
  font-size: 14px;
  color: var(--fg);
  letter-spacing: 0.02em;
  z-index: 10;
}
.carousel-close:hover { color: var(--accent); }
.carousel-counter {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--fg-soft);
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* ---------- TWEAKS PANEL ---------- */
.tweaks-panel {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  padding: 14px 16px;
  z-index: 1500;
  font-size: 13px;
  min-width: 180px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}
.tweaks-title {
  font-weight: var(--bold);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  color: var(--fg);
}
.tweaks-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0;
}
.tweaks-label {
  color: var(--fg-soft);
}
.tweaks-btn {
  font-size: 13px;
  color: var(--fg);
  border: 1px solid rgba(0,0,0,0.15);
  padding: 4px 10px;
  transition: background 150ms ease, color 150ms ease;
}
.tweaks-btn:hover {
  background: var(--fg);
  color: var(--bg);
}
.tweaks-value {
  color: var(--fg);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}