/* ============ 6OT.COM — PORTFOLIO ============ */

/* dark only — no theme toggle */
:root {
  --paper: #0b0b09;
  --ink: #e8e6dd;
  --dim: #6d6b60;
  --blue: #5a63ff;
  --line: rgba(232, 230, 221, 0.5);
  --mono: "SF Mono", ui-monospace, Menlo, "IBM Plex Mono", "Courier New", monospace;
  --grotesk: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html, body { height: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--grotesk);
  overflow: hidden;
  transition: background 0.25s, color 0.25s;
}

.mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.02em; }
.dim { color: var(--dim); }

/* ============ TOPBAR ============ */

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 11px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: background 0.25s;
}

.topbar-left { display: flex; align-items: center; gap: 10px; }

.barcode { width: 46px; height: 16px; fill: var(--ink); }

.brand { font-weight: 700; letter-spacing: 0.08em; }

.topbar-right { display: flex; gap: 18px; }

@media (max-width: 600px) {
  .topcenter { display: none; }
}

/* ============ STAGE ============ */

.stage {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
  cursor: grab;
  touch-action: none;
}

.stage.dragging { cursor: grabbing; }

.sphere {
  position: relative;
  width: 0; height: 0;
  transform-style: preserve-3d;
}

.card {
  position: absolute;
  top: 0; left: 0;
  width: 140px;
  margin: -50px 0 0 -70px;
  cursor: pointer;
}

.card img {
  width: 100%;
  display: block;
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.2s;
  pointer-events: none;
}

.card:hover img { filter: none; }

/* placeholder cards while /photos is empty */

.card.ph {
  border: 1px solid var(--line);
  height: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--dim);
  cursor: default;
  background:
    repeating-linear-gradient(45deg,
      transparent 0, transparent 6px,
      rgba(138, 135, 124, 0.12) 6px, rgba(138, 135, 124, 0.12) 7px),
    var(--paper);
}

.card.ph .no { font-size: 12px; color: var(--ink); }

@media (max-width: 600px) {
  .card { width: 96px; margin: -34px 0 0 -48px; }
  .card.ph { height: 66px; }
}

/* ============ LEGEND ============ */

.legend {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  color: var(--dim);
  width: max-content;
  max-width: 95vw;
}

.legend span { color: var(--ink); }

/* ============ LIGHTBOX ============ */

#lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: color-mix(in srgb, var(--paper) 96%, transparent);
  cursor: zoom-out;
}

#lightbox[hidden] { display: none; }

#lightbox img {
  max-width: 88vw;
  max-height: 82vh;
  border: 1px solid #e8e6dd;
  background: #e8e6dd;
  padding: 2px;
}

#lightboxCaption { color: var(--dim); }

#lightboxOriginal {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

/* ============ GRAIN ============ */

.grain {
  position: fixed;
  inset: -50%;
  z-index: 400;
  pointer-events: none;
  opacity: 0.10;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 0.9s steps(4) infinite;
}

@keyframes grain {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -2%); }
  75% { transform: translate(-1%, 2%); }
  100% { transform: translate(2%, -1%); }
}