/* =========================================================
   ROOM — 08/10/2026 : VHS & BACKROOMS ATMOSPHERIC STYLING
   ========================================================= */

:root {
  --vhs-green: #29ff5e;
  --vhs-amber: #ffbb33;
  --vhs-cyan: #00ffff;
  --vhs-red: #ff2a2a;
  --vhs-white: #f5f5ea;
  --backrooms-yellow: #dbbc68;
  --backrooms-dark: #121008;
  --crt-curvature: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  background: #050505;
  color: var(--vhs-white);
  font-family: 'Share Tech Mono', monospace;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* CRT Screen Frame & Container */
.crt-screen {
  position: relative;
  width: 100vw;
  height: 100vh;
  max-width: 100%;
  max-height: 100%;
  background: #000;
  overflow: hidden;
  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.95), 0 0 50px rgba(0, 0, 0, 0.9);
}

/* 3D Canvas */
#threeCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
  filter: contrast(1.15) brightness(0.95) saturate(1.2);
}

/* 2D VHS Post-Process Canvas Overlay */
#vhsOverlayCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.85;
}

/* Static Noise Startup Canvas */
.static-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 40;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease-out;
}

/* CRT Scanlines Overlay */
.crt-scanlines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%,
    rgba(0, 0, 0, 0.45) 50%
  ),
  linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.04),
    rgba(0, 255, 0, 0.02),
    rgba(0, 0, 255, 0.04)
  );
  background-size: 100% 3px, 6px 100%;
}

/* CRT Vignette & Barrel Curvature */
.crt-vignette {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 11;
  pointer-events: none;
  background: radial-gradient(
    circle at center,
    transparent 55%,
    rgba(0, 0, 0, 0.5) 85%,
    rgba(0, 0, 0, 0.95) 100%
  );
  box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.85);
}

/* Tube Phosphor Glow */
.crt-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 12;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    rgba(180, 160, 80, 0.04) 0%,
    rgba(0, 0, 0, 0.25) 100%
  );
  mix-blend-mode: color-dodge;
}

/* Tracking Distortion Bar (VHS head noise) */
.tracking-distortion-bar {
  position: absolute;
  left: 0;
  width: 100%;
  height: 24px;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.2),
    rgba(255, 255, 255, 0.2) 2px,
    transparent 2px,
    transparent 4px
  );
  opacity: 0;
  z-index: 15;
  pointer-events: none;
  transform: translateY(-50px);
  filter: blur(1px);
}

/* Color Bleed / Chromatic Jitter Layer */
.color-bleed-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 13;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: screen;
  background: rgba(255, 0, 50, 0.05);
}

/* Subliminal Entity Shadow */
.subliminal-entity {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 8;
  pointer-events: none;
  opacity: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.05s ease;
}

.entity-silhouette {
  width: 180px;
  height: 480px;
  background: radial-gradient(ellipse at 50% 30%, #000 0%, #000 60%, transparent 80%);
  filter: blur(3px) contrast(200%);
  transform: scaleY(1.1);
}

/* Panic Red Flash */
.panic-flash {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 14;
  pointer-events: none;
  background: rgba(180, 0, 0, 0.5);
  opacity: 0;
  mix-blend-mode: color-burn;
}

/* =========================================================
   VHS ON-SCREEN DISPLAY (OSD)
   ========================================================= */
.vhs-osd {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 20;
  pointer-events: none;
  padding: 32px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  font-family: 'VT323', 'Share Tech Mono', monospace;
  font-size: 24px;
  letter-spacing: 2px;
  color: var(--vhs-green);
  text-shadow: 0 0 6px rgba(41, 255, 94, 0.85), 2px 0 1px rgba(255, 0, 0, 0.5);
}

.osd-top-left {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.osd-play {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 32px;
  color: #fff;
  text-shadow: 0 0 8px #fff, -2px 0 #ff0055, 2px 0 #00ffff;
}

.play-arrow {
  font-size: 20px;
  color: var(--vhs-green);
  animation: vhsBlink 1.2s infinite;
}

.osd-sp {
  font-size: 22px;
  color: var(--vhs-amber);
  text-shadow: 0 0 6px rgba(255, 187, 51, 0.8);
}

.osd-hifi {
  font-size: 18px;
  opacity: 0.7;
}

.osd-top-right {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.osd-rec {
  color: var(--vhs-red);
  font-size: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-shadow: 0 0 8px rgba(255, 42, 42, 0.9);
}

.rec-dot {
  animation: vhsBlink 0.9s infinite steps(1);
}

.osd-battery {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 18px;
}

.bat-box {
  display: inline-block;
  width: 24px;
  height: 12px;
  border: 2px solid var(--vhs-green);
  padding: 1px;
}

.bat-level {
  display: block;
  width: 75%;
  height: 100%;
  background: var(--vhs-green);
}

.osd-channel {
  font-size: 22px;
  color: var(--vhs-cyan);
  text-shadow: 0 0 6px rgba(0, 255, 255, 0.8);
}

.osd-bottom-left {
  grid-column: 1;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: flex-end;
}

.osd-date {
  font-size: 30px;
  color: var(--vhs-white);
  text-shadow: 0 0 6px rgba(255, 255, 255, 0.8), -1px 0 #f00, 1px 0 #00f;
}

.osd-time {
  font-size: 24px;
  color: var(--vhs-amber);
}

.osd-bottom-right {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: flex-end;
  align-items: flex-end;
}

.osd-tape-counter {
  font-size: 32px;
  color: #fff;
  letter-spacing: 3px;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
}

.osd-tag {
  font-size: 14px;
  opacity: 0.6;
  letter-spacing: 1px;
}

@keyframes vhsBlink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* =========================================================
   CINEMATIC TEXT LAYER
   ========================================================= */
.cinematic-text-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 25;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.teaser-text-box {
  text-align: center;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.text-line-wrapper {
  position: relative;
  overflow: visible;
}

.main-text {
  font-family: 'Syne', 'Cinzel', serif;
  font-weight: 900;
  font-size: clamp(38px, 6.5vw, 84px);
  line-height: 1.15;
  letter-spacing: clamp(4px, 1.2vw, 16px);
  text-transform: uppercase;
  color: #fff;
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.9),
    -3px 0 2px rgba(255, 0, 70, 0.75),
    3px 0 2px rgba(0, 240, 255, 0.75),
    0 0 40px rgba(219, 188, 104, 0.4);
  position: relative;
}

.main-text.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.main-text.glitching {
  animation: textJitter 0.15s infinite alternate;
}

/* Climax Styling for "ROOM" */
.main-text.is-room {
  font-size: clamp(60px, 14vw, 150px);
  letter-spacing: clamp(10px, 3vw, 32px);
  color: #ff3333;
  text-shadow:
    0 0 20px rgba(255, 0, 0, 0.9),
    0 0 60px rgba(255, 0, 0, 0.8),
    -6px 0 3px rgba(0, 255, 255, 0.9),
    6px 0 3px rgba(255, 255, 0, 0.9);
}

/* Sub-Text (Date reveal & sub-messages) */
.sub-text {
  font-family: 'VT323', monospace;
  font-size: clamp(26px, 4.5vw, 54px);
  letter-spacing: 6px;
  color: var(--vhs-amber);
  margin-top: 18px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  text-shadow: 0 0 12px rgba(255, 187, 51, 0.8), -2px 0 #f00, 2px 0 #0ff;
}

.sub-text.show {
  opacity: 1;
  transform: translateY(0);
}

@keyframes textJitter {
  0% { transform: translate(-2px, 1px) skewX(-1deg); }
  25% { transform: translate(3px, -2px) skewX(2deg); }
  50% { transform: translate(-1px, 2px) skewX(-2deg); }
  75% { transform: translate(2px, -1px) skewX(1deg); }
  100% { transform: translate(-3px, 0) skewX(0deg); }
}

/* =========================================================
   INSERT CASSETTE START OVERLAY
   ========================================================= */
.vcr-gate-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 50;
  background: rgba(8, 7, 5, 0.94);
  backdrop-filter: blur(16px);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.vcr-gate-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.gate-content {
  text-align: center;
  max-width: 600px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.cassette-icon {
  width: 220px;
  height: 130px;
  background: #181714;
  border: 3px solid #4a4538;
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 15px rgba(219, 188, 104, 0.15);
}

.tape-window {
  width: 100%;
  height: 50px;
  background: #090908;
  border: 1px solid #333;
  border-radius: 4px;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.reel {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px dashed #777;
  background: #111;
  animation: reelSpin 4s linear infinite;
}

@keyframes reelSpin {
  100% { transform: rotate(360deg); }
}

.tape-label {
  background: #dbbc68;
  color: #111;
  font-weight: bold;
  font-size: 11px;
  padding: 3px 6px;
  border-radius: 2px;
  letter-spacing: 1px;
}

.gate-title {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  letter-spacing: 6px;
  color: #fff;
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.7);
}

.gate-subtitle {
  font-size: 14px;
  color: #aaa;
  letter-spacing: 1px;
}

.btn-insert-tape {
  background: #ff2a2a;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-family: 'Share Tech Mono', monospace;
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 6px;
  padding: 18px 54px;
  cursor: pointer;
  box-shadow: 0 0 30px rgba(255, 42, 42, 0.7), inset 0 0 10px rgba(255, 255, 255, 0.3);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
}

.btn-insert-tape:hover {
  background: #ff4545;
  transform: scale(1.06);
  box-shadow: 0 0 45px rgba(255, 42, 42, 0.95), inset 0 0 14px rgba(255, 255, 255, 0.4);
}

.gate-warning {
  font-size: 11px;
  color: #887a4a;
  letter-spacing: 1px;
}

/* =========================================================
   BOTTOM INTERACTIVE CONTROL BAR
   ========================================================= */
.vhs-controls {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(12, 11, 8, 0.75);
  border: 1px solid rgba(219, 188, 104, 0.3);
  backdrop-filter: blur(10px);
  padding: 8px 18px;
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

.vhs-controls:hover {
  opacity: 1;
}

.vcr-btn {
  background: rgba(30, 27, 20, 0.8);
  border: 1px solid rgba(219, 188, 104, 0.4);
  color: #f5f5ea;
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  letter-spacing: 1px;
  padding: 6px 12px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.vcr-btn:hover {
  background: rgba(219, 188, 104, 0.2);
  border-color: #dbbc68;
  color: #fff;
}

.vcr-btn-record {
  border-color: rgba(255, 42, 42, 0.6);
  background: rgba(60, 10, 10, 0.8);
}

.vcr-btn-record:hover {
  background: rgba(180, 20, 20, 0.9);
  border-color: #ff2a2a;
}

.rec-dot-btn {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff2a2a;
  animation: vhsBlink 0.9s infinite steps(1);
}

.control-slider-group {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--backrooms-yellow);
}

.control-slider-group input[type="range"] {
  width: 70px;
  accent-color: #ff2a2a;
  cursor: pointer;
}

/* =========================================================
   END CARD
   ========================================================= */
.teaser-endcard {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 35;
  background: radial-gradient(circle at center, rgba(10, 9, 7, 0.92) 0%, rgba(0, 0, 0, 0.98) 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 1.2s ease, visibility 1.2s ease;
}

.teaser-endcard.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.endcard-box {
  text-align: center;
  max-width: 600px;
  padding: 40px;
}

.endcard-title {
  font-family: 'Syne', serif;
  font-size: clamp(50px, 9vw, 96px);
  letter-spacing: 16px;
  color: #ff3333;
  text-shadow: 0 0 30px rgba(255, 0, 0, 0.8), -3px 0 #0ff, 3px 0 #ff0;
  margin-bottom: 8px;
}

.endcard-date {
  font-family: 'VT323', monospace;
  font-size: clamp(32px, 6vw, 64px);
  letter-spacing: 8px;
  color: #f5f5ea;
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
  margin-bottom: 24px;
}

.endcard-desc {
  font-size: 14px;
  color: #8a846c;
  letter-spacing: 2px;
  margin-bottom: 30px;
}

.endcard-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-endcard {
  background: #ff2a2a;
  color: #fff;
  border: none;
  font-family: 'Share Tech Mono', monospace;
  font-size: 14px;
  letter-spacing: 2px;
  padding: 12px 28px;
  cursor: pointer;
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(255, 42, 42, 0.5);
  transition: all 0.2s ease;
}

.btn-endcard:hover {
  background: #ff4545;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(255, 42, 42, 0.8);
}

.btn-endcard.btn-secondary {
  background: rgba(30, 27, 20, 0.9);
  border: 1px solid rgba(219, 188, 104, 0.6);
  color: var(--backrooms-yellow);
  box-shadow: none;
}

.btn-endcard.btn-secondary:hover {
  background: rgba(219, 188, 104, 0.2);
  color: #fff;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .vhs-osd {
    padding: 16px;
    font-size: 16px;
  }
  .osd-play { font-size: 20px; }
  .osd-rec { font-size: 18px; }
  .osd-date { font-size: 18px; }
  .osd-tape-counter { font-size: 20px; }
  .vhs-controls {
    bottom: 10px;
    padding: 6px 10px;
    gap: 6px;
    width: 95%;
    justify-content: center;
  }
  .vcr-btn {
    padding: 4px 8px;
    font-size: 10px;
  }
  .control-slider-group {
    display: none;
  }
}