/* ============================================================
   SCENESCAPES // Gallery / Catalog landing page
   3-column responsive grid of 15 cinematic FUI scenarios.
   ============================================================ */

/* Off-screen but indexable. Gallery prepends an h1, a descriptive
   paragraph, and a nav of all scene links so crawlers and screen
   readers see meaningful text content despite the visible UI being
   mostly image tiles. */
.scenescapes-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:root {
  --g-bg:        #050608;
  --g-bg-2:      #0a0c10;
  --g-text:      #E8E4D6;
  --g-dim:       #6A6B6E;
  --g-rule:      rgba(255, 255, 255, 0.08);
  --g-accent:    #C9A24A;
  --g-grid-line: rgba(255, 255, 255, 0.025);
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--g-bg);
  color: var(--g-text);
  font-family: 'JetBrains Mono', 'Roboto Mono', 'Menlo', monospace;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  /* Belt-and-suspenders scroll: defeat any inherited overflow-lock from
     scenario chrome.css if a browser/extension brings it into scope. */
  overflow-y: auto !important;
  overflow-x: hidden !important;
  overscroll-behavior-y: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  height: auto !important;
  position: static !important;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }

button {
  cursor: pointer;
  font: inherit;
  background: transparent;
  border: 1px solid currentColor;
  color: inherit;
  padding: 6px 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: all 0.18s ease;
}
button:hover { background: currentColor; color: var(--g-bg); }

/* ============================================================
   CRT BOOT SEQUENCE
   ============================================================ */

#ss-boot {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  color: #b9d3a6;
  overflow: hidden;
}

#ss-boot::before {
  /* CRT scanlines */
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.35) 3px,
    rgba(0, 0, 0, 0.35) 4px
  );
  pointer-events: none;
  opacity: 0.55;
  mix-blend-mode: multiply;
}

#ss-boot::after {
  /* CRT vignette */
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 70% at 50% 50%,
    transparent 40%,
    rgba(0, 0, 0, 0.85) 100%);
  pointer-events: none;
}

#ss-boot .ss-boot-inner {
  position: relative;
  z-index: 2;
  font-size: 14px;
  letter-spacing: 0.18em;
  line-height: 1.9;
  text-align: left;
  text-shadow: 0 0 6px rgba(120, 220, 140, 0.45),
               0 0 14px rgba(60, 200, 100, 0.25);
  min-width: 360px;
  max-width: 90vw;
}

#ss-boot .ss-boot-line {
  display: block;
  white-space: pre;
  opacity: 0;
}

#ss-boot .ss-boot-line.shown { opacity: 1; }

#ss-boot .ss-boot-cursor {
  display: inline-block;
  width: 0.6em;
  margin-left: 0.1em;
  animation: ss-boot-blink 0.7s steps(2) infinite;
  background: currentColor;
  height: 1em;
  vertical-align: -2px;
}

@keyframes ss-boot-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

#ss-boot.fading {
  animation: ss-boot-fade 400ms ease-out forwards;
}
@keyframes ss-boot-fade {
  to { opacity: 0; pointer-events: none; }
}

/* ============================================================
   GALLERY HEADER
   ============================================================ */

.ss-gallery {
  opacity: 0;
  transition: opacity 400ms ease;
  padding: 28px 36px 80px;
  max-width: 1680px;
  margin: 0 auto;
}
.ss-gallery.shown { opacity: 1; }

.ss-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--g-rule);
  margin-bottom: 28px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.ss-header-left {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.ss-header-left .ss-brand {
  font-size: 16px;
  letter-spacing: 0.32em;
  color: var(--g-text);
  font-weight: 500;
}
.ss-header-left .ss-count {
  color: var(--g-dim);
  border: 1px solid var(--g-rule);
  padding: 2px 8px;
  font-variant-numeric: tabular-nums;
}
.ss-header-left .ss-tagline {
  color: var(--g-dim);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.ss-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.ss-header-right button {
  font-size: 10px;
  padding: 5px 11px;
  color: var(--g-text);
  border-color: var(--g-rule);
}

/* ============================================================
   GRID
   ============================================================ */

.ss-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 1400px) {
  .ss-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .ss-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
  .ss-gallery { padding: 24px 20px 60px; }
}
@media (max-width: 720px) {
  .ss-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
}
@media (max-width: 480px) {
  .ss-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .ss-gallery { padding: 18px 12px 32px; }
  .ss-tile-meta { padding: 7px 8px 9px; }
  .ss-tile-meta .ss-tile-name { font-size: 9.5px; letter-spacing: 0.10em; }
  .ss-tile-meta .ss-tile-channel { font-size: 6.5px; gap: 6px; }
}

/* ============================================================
   TILE
   ============================================================ */

.ss-tile {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--g-rule);
  background: var(--g-bg-2);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.ss-tile:hover {
  transform: translateY(-2px);
  border-color: var(--tile-accent, var(--g-accent));
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.55),
              0 0 0 1px var(--tile-accent-faint, rgba(255,255,255,0.05));
}

.ss-tile:focus-visible {
  outline: none;
  border-color: var(--tile-accent, var(--g-accent));
  box-shadow: 0 0 0 2px var(--tile-accent, var(--g-accent));
}

/* 16:9 still */
.ss-tile-still {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--tile-bg, #111);
  /* Inner painted "scenario chrome" preview composed of:
     - radial accent halo (the scene's hero glow)
     - faint engineering grid
     - scanline texture
     - top + bottom strip silhouettes
     - large channel number + title overlay
  */
}

/* Radial accent halo + base wash */
.ss-tile-still::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse var(--tile-halo-size, 60% 50%) at var(--tile-halo-pos, 50% 55%),
      var(--tile-halo, rgba(255, 200, 100, 0.30)) 0%,
      transparent 70%),
    var(--tile-bg-grad,
      linear-gradient(135deg, #181818 0%, #0a0a0a 100%));
  pointer-events: none;
}

/* Engineering grid + scanlines */
.ss-tile-still::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    /* horizontal scanlines */
    repeating-linear-gradient(to bottom,
      rgba(0,0,0,0) 0,
      rgba(0,0,0,0) 2px,
      rgba(0,0,0,0.18) 3px,
      rgba(0,0,0,0.18) 4px),
    /* engineering grid */
    repeating-linear-gradient(0deg,
      var(--g-grid-line) 0,
      var(--g-grid-line) 1px,
      transparent 1px,
      transparent 28px),
    repeating-linear-gradient(90deg,
      var(--g-grid-line) 0,
      var(--g-grid-line) 1px,
      transparent 1px,
      transparent 28px);
  mix-blend-mode: overlay;
  pointer-events: none;
  opacity: 0.75;
}

/* Top + bottom strips (chrome silhouettes) */
.ss-strip-top, .ss-strip-bot {
  position: absolute;
  left: 0; right: 0;
  height: 18px;
  z-index: 3;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 7.5px;
  letter-spacing: 0.20em;
  color: var(--tile-text, rgba(232, 228, 214, 0.8));
  text-transform: uppercase;
  background: linear-gradient(to bottom,
    rgba(0,0,0,0.65) 0%,
    rgba(0,0,0,0.0) 100%);
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
}
.ss-strip-top { top: 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.ss-strip-bot {
  bottom: 0;
  background: linear-gradient(to top,
    rgba(0,0,0,0.85) 0%,
    rgba(0,0,0,0.0) 100%);
  border-top: 1px solid rgba(255,255,255,0.04);
  height: 22px;
  display: flex;
  justify-content: space-between;
}
.ss-strip-top .ss-strip-cell { margin-right: 14px; }
.ss-strip-top .ss-strip-cell.accent { color: var(--tile-accent, var(--g-accent)); }
.ss-strip-bot .ss-strip-pill {
  display: inline-block;
  padding: 1px 5px;
  border: 1px solid var(--tile-accent, var(--g-accent));
  color: var(--tile-accent, var(--g-accent));
  font-size: 7px;
  letter-spacing: 0.18em;
}
.ss-strip-bot .ss-strip-tc {
  color: var(--tile-text, var(--g-text));
  font-variant-numeric: tabular-nums;
  font-size: 8px;
  letter-spacing: 0.06em;
}

/* Channel number — large, top-right corner */
.ss-tile-num {
  position: absolute;
  top: 22px;
  right: 12px;
  z-index: 4;
  font-family: 'JetBrains Mono', monospace;
  font-size: 38px;
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--tile-num, var(--tile-accent, var(--g-accent)));
  opacity: 0.92;
  text-shadow: 0 0 10px var(--tile-accent-faint, rgba(255,200,100,0.4)),
               0 0 22px var(--tile-accent-faint, rgba(255,200,100,0.18));
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* Title overlay — bottom-left of still, big */
.ss-tile-still-title {
  position: absolute;
  left: 12px;
  bottom: 30px;
  z-index: 4;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  letter-spacing: 0.20em;
  line-height: 1.15;
  color: var(--tile-text, var(--g-text));
  text-transform: uppercase;
  text-shadow: 0 0 8px rgba(0,0,0,0.85),
               0 0 14px var(--tile-accent-faint, rgba(255,200,100,0.18));
  font-weight: 400;
  max-width: 75%;
  pointer-events: none;
}

/* Faint scenario "chrome silhouette" — abstract shapes per scenario type
   This is the placeholder for the future canvas/MP4 — gives each tile
   a distinguishable inner composition silhouette. */
.ss-tile-shape {
  position: absolute;
  inset: 18px 0 22px 0;
  z-index: 2;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.58;
}

.ss-tile-shape svg {
  width: 70%;
  height: 70%;
  display: block;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 6px var(--tile-accent-faint, rgba(255,200,100,0.25)));
}

/* Subtle scan-sweep on hover */
.ss-tile .ss-scan {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.ss-tile:hover .ss-scan { opacity: 1; }

.ss-tile .ss-scan::after {
  content: '';
  position: absolute;
  top: -10%;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right,
    transparent,
    var(--tile-accent, var(--g-accent)),
    transparent);
  box-shadow: 0 0 10px var(--tile-accent, var(--g-accent));
  animation: ss-scan-sweep 1.6s linear infinite;
  mix-blend-mode: screen;
}

@keyframes ss-scan-sweep {
  0% { top: -2%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 102%; opacity: 0; }
}

/* Meta row below the still */
.ss-tile-meta {
  padding: 9px 12px 11px;
  border-top: 1px solid var(--g-rule);
  background: linear-gradient(to bottom, rgba(255,255,255,0.015), transparent);
}

.ss-tile-meta .ss-tile-channel {
  font-size: 7.5px;
  letter-spacing: 0.22em;
  color: var(--g-dim);
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  margin-bottom: 3px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.ss-tile-meta .ss-tile-channel .ss-tile-channel-accent {
  color: var(--tile-accent, var(--g-accent));
}

.ss-tile-meta .ss-tile-name {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--g-text);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Per user feedback Apr 29 2026: simpler tile titles, no tagline. */
.ss-tile-meta .ss-tile-tagline {
  display: none;
}

/* Footer */
.ss-foot {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--g-rule);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--g-dim);
  text-transform: uppercase;
}
.ss-foot-hint {
  color: var(--g-accent);
  letter-spacing: 0.18em;
  opacity: 0.78;
  font-size: 8.5px;
}
@media (max-width: 720px) {
  .ss-foot-hint { display: none; }
}

/* Display-mode header button — slight accent so it advertises itself */
.ss-header-right .ss-display-btn {
  color: var(--g-accent) !important;
  border-color: var(--g-accent) !important;
}
.ss-header-right .ss-display-btn:hover {
  background: var(--g-accent);
  color: var(--g-bg) !important;
}
@media (max-width: 720px) {
  .ss-header-right .ss-display-btn {
    /* Truncate label on narrow screens */
    font-size: 9px;
    letter-spacing: 0.10em;
  }
}

/* ============================================================
   MODAL — used by [ABOUT] and [DISPLAY MODE]
   In-tone, monospace, low-chrome. No backdrop-filter on mobile
   (cheap fallback).
   ============================================================ */
.ss-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 11000;
  background: rgba(2, 3, 5, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 160ms ease;
}
.ss-modal-overlay.shown { opacity: 1; }
.ss-modal-overlay.closing { opacity: 0; }

.ss-modal {
  position: relative;
  background: var(--g-bg-2);
  border: 1px solid var(--g-rule);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7),
              inset 0 1px 0 rgba(255, 255, 255, 0.04);
  color: var(--g-text);
  font-family: 'JetBrains Mono', 'Roboto Mono', monospace;
  width: 100%;
  max-width: 620px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 32px 32px 28px;
  letter-spacing: 0.04em;
}

.ss-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: 1px solid var(--g-rule);
  color: var(--g-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 3px 8px;
  letter-spacing: 0.12em;
  cursor: pointer;
}
.ss-modal-close:hover {
  background: var(--g-accent);
  color: var(--g-bg);
  border-color: var(--g-accent);
}

.ss-modal-title {
  font-size: 14px;
  letter-spacing: 0.28em;
  margin: 0 0 6px;
  color: var(--g-text);
  text-transform: uppercase;
  font-weight: 500;
}
.ss-modal-sub {
  font-size: 9px;
  letter-spacing: 0.20em;
  color: var(--g-accent);
  text-transform: uppercase;
  opacity: 0.78;
  margin-bottom: 18px;
}
.ss-modal-p {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: rgba(232, 228, 214, 0.86);
  margin: 0 0 12px;
}
.ss-modal-meta {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--g-rule);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--g-dim);
  text-transform: uppercase;
}

/* Display-mode specific */
.ss-modal-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
@media (max-width: 480px) {
  .ss-modal-options { grid-template-columns: 1fr; }
  .ss-modal { padding: 22px 18px 18px; }
  .ss-modal-title { font-size: 12px; letter-spacing: 0.20em; }
}
.ss-modal-col {
  border: 1px solid var(--g-rule);
  padding: 14px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ss-modal-col-hd {
  font-size: 9px;
  letter-spacing: 0.20em;
  color: var(--g-accent);
  text-transform: uppercase;
}
.ss-modal-col-desc {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11.5px;
  line-height: 1.5;
  color: rgba(232, 228, 214, 0.74);
  flex: 1;
}
.ss-modal-select {
  background: var(--g-bg);
  color: var(--g-text);
  border: 1px solid var(--g-rule);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 7px 8px;
  letter-spacing: 0.06em;
  width: 100%;
  /* Native arrow on mobile is fine; keep zero-dep */
}
.ss-modal-btn {
  background: transparent;
  border: 1px solid var(--g-accent);
  color: var(--g-accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 7px 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
}
.ss-modal-btn:hover {
  background: var(--g-accent);
  color: var(--g-bg);
}
.ss-modal-tip {
  margin-top: 16px;
  padding: 10px 12px;
  border: 1px dashed var(--g-rule);
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  line-height: 1.55;
  letter-spacing: 0.10em;
  color: var(--g-dim);
}

/* Reduced motion: kill all transitions/animations */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .ss-tile:hover { transform: none; }
}