/* ===== Work 页基础 ===== */
.work-page {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

/* ===== 背景层 ===== */
.work-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.work-bg-loop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transform: scale(1.04);
  filter: brightness(1.15) contrast(1.08) saturate(0.92);
  opacity: 0;
  transition: opacity 0.8s ease;
}

body.video-ended .work-bg-loop {
  opacity: 1;
}

/* 进入过渡视频：覆盖在循环背景之上，播完后淡出 */
.work-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transform: scale(1.04);
  filter: brightness(1.25) contrast(1.08) saturate(0.95);
  z-index: 1;
  transition: opacity 0.8s ease;
}

body.video-ended .work-bg-video {
  opacity: 0;
}

/* 中央提亮（双手与视频弧所在区域），四周压暗 */
.work-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 58%, transparent 0%, rgba(0, 0, 0, 0.28) 48%, rgba(0, 0, 0, 0.85) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.12) 50%, rgba(0, 0, 0, 0.55) 100%);
  z-index: 1;
}

/* 扫描网格 */
.work-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(to right, rgba(138, 231, 68, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(138, 231, 68, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 55%, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.35) 55%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: radial-gradient(circle at 50% 55%, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.35) 55%, rgba(0,0,0,0) 100%);
  animation: workGridShift 10s linear infinite;
  pointer-events: none;
}

@keyframes workGridShift {
  0% { background-position: 0 0; }
  100% { background-position: 56px 56px; }
}

/* ===== 顶部标签 ===== */
.work-label {
  position: fixed;
  top: 1.55rem;
  left: 9.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  z-index: 210;
  opacity: 0;
  animation: workFadeIn 0.8s ease 0.2s forwards;
}

@keyframes workFadeIn {
  to { opacity: 1; }
}

/* ===== 标题区 ===== */
.work-content {
  position: fixed;
  top: 16vh;
  left: 5vw;
  z-index: 120;
  pointer-events: none;
}

.work-title {
  font-size: clamp(3.5rem, 10vw, 8rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  pointer-events: auto;
  transform: scaleY(0.9);
  transform-origin: left bottom;
  opacity: 0;
  animation: workTitleReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}

@keyframes workTitleReveal {
  from {
    opacity: 0;
    transform: scaleY(0.9) translateX(-50px);
    clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
  }
  to {
    opacity: 1;
    transform: scaleY(0.9) translateX(0);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
}

.work-subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(0.75rem, 1.2vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  opacity: 0.7;
  text-transform: uppercase;
}

/* ===== 环形视频弧 ===== */
.work-arc {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
}

/* 卡片的位置 / 缩放 / 透明度 / 层级全部由 JS 每帧驱动 */
.work-card {
  position: absolute;
  left: 0;
  top: 0;
  width: clamp(240px, 23vw, 360px);
  will-change: transform, opacity;
  pointer-events: none;
}

.work-card-inner {
  position: relative;
  background: rgba(10, 10, 10, 0.78);
  border: 1px solid rgba(138, 231, 68, 0.18);
  padding: 0.7rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.work-card.is-in .work-card-inner {
  opacity: 1;
  transform: translateY(0);
}

/* 弧面正中央（激活位）卡片 */
.work-card.is-active .work-card-inner {
  border-color: rgba(138, 231, 68, 0.75);
  box-shadow: 0 0 32px rgba(138, 231, 68, 0.22);
}

.work-card:not(.is-active) .work-card-inner:hover {
  border-color: rgba(138, 231, 68, 0.5);
}

.work-card-index {
  position: absolute;
  top: -0.6rem;
  left: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: rgba(138, 231, 68, 0.55);
  background: var(--bg-primary);
  padding: 0 0.35rem;
  z-index: 3;
  transition: color 0.3s ease;
}

.work-card:hover .work-card-index,
.work-card.is-active .work-card-index {
  color: var(--accent);
}

.work-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gray-900);
  margin-bottom: 0.65rem;
}

.work-card-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /* 完整呈现视频原始比例，不足处以黑边补齐 */
  object-fit: contain;
  background: #000;
}

/* RGB 通道分离叠加层 */
.work-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(79, 253, 196, 0.08) 0%, transparent 50%),
    linear-gradient(270deg, rgba(238, 81, 58, 0.08) 0%, transparent 50%);
  opacity: 0;
  mix-blend-mode: screen;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.work-card:hover .work-card-media::after,
.work-card.is-active .work-card-media::after {
  opacity: 1;
}

/* 扫描线覆盖 */
.work-card-scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.04) 0,
    rgba(255, 255, 255, 0.04) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 2;
}

.work-card:hover .work-card-scanlines,
.work-card.is-active .work-card-scanlines {
  opacity: 1;
}

/* 播放进度条：仅激活卡位可见可拖动 */
.work-card-progress {
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  bottom: 0.45rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 4;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.work-card.is-active .work-card-progress {
  opacity: 1;
  pointer-events: auto;
}

.work-card-time {
  font-size: 0.5rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  opacity: 0.85;
  white-space: nowrap;
}

.work-card-progress-track {
  flex: 1;
  height: 3px;
  background: rgba(138, 231, 68, 0.18);
  cursor: ew-resize;
  position: relative;
}

.work-card-progress-track:hover {
  height: 5px;
}

.work-card-progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(138, 231, 68, 0.6);
  pointer-events: none;
}

/* 放大按钮：跟随进度条容器，仅激活卡位可见可点 */
.work-card-expand {
  flex: none;
  width: 18px;
  height: 18px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2, 12, 4, 0.6);
  border: 1px solid rgba(138, 231, 68, 0.4);
  color: var(--accent);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.work-card-expand svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: square;
}

.work-card-expand:hover {
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(138, 231, 68, 0.55);
}

/* ===== 放大弹窗 ===== */
.work-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.work-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.work-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 8, 3, 0.86);
  backdrop-filter: blur(8px);
  cursor: pointer;
}

.work-modal-frame {
  position: relative;
  width: min(82vw, 1400px);
  transform: scale(0.94) translateY(12px);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.work-modal.is-open .work-modal-frame {
  transform: scale(1) translateY(0);
}

.work-modal-frame video {
  display: block;
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  background: #000;
  border: 1px solid rgba(138, 231, 68, 0.35);
  box-shadow: 0 0 46px rgba(138, 231, 68, 0.16);
}

/* 弹窗进度条：与卡片进度条同一视觉语言，尺寸放大 */
.work-modal-progress {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 0.7rem;
}

.work-modal-time {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  opacity: 0.85;
  white-space: nowrap;
}

.work-modal-progress-track {
  flex: 1;
  height: 4px;
  background: rgba(138, 231, 68, 0.18);
  cursor: ew-resize;
  position: relative;
}

.work-modal-progress-track:hover {
  height: 6px;
}

.work-modal-progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(138, 231, 68, 0.6);
  pointer-events: none;
}

.work-modal-hint {
  position: absolute;
  bottom: -1.5rem;
  left: 0;
  font-size: 0.55rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  opacity: 0.7;
}

.work-card-info {
  position: relative;
  z-index: 3;
}

.work-card-title {
  font-size: clamp(0.85rem, 1.2vw, 1.15rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  line-height: 1.2;
}

.work-card-desc {
  font-size: 0.68rem;
  color: rgba(230, 230, 230, 0.55);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.work-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.work-card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid rgba(138, 231, 68, 0.25);
  padding: 0.18rem 0.4rem;
  opacity: 0.85;
}

/* 声音开关提示：仅激活位显示 */
.work-sound-hint {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.work-card.is-active .work-sound-hint {
  opacity: 0.9;
  animation: workHintPulse 2.4s ease-in-out infinite;
}

@keyframes workHintPulse {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 0.45; }
}

/* ===== 侧边栏 ===== */
.work-sidebar {
  position: fixed;
  right: 2.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 210;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1.5rem;
  text-align: right;
  pointer-events: none;
}

.work-sidebar .sidebar-text {
  display: flex;
  gap: 1.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: rgba(230, 230, 230, 0.6);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.work-sidebar-data {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: rgba(138, 231, 68, 0.55);
}

.work-sidebar-data .data-line {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.work-sidebar-data .data-line.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ===== 右下角标签 ===== */
.work-corner-tag {
  position: fixed;
  right: 2.5rem;
  bottom: 2rem;
  z-index: 210;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: rgba(230, 230, 230, 0.45);
  pointer-events: none;
}

.work-corner-tag .corner-line {
  width: 40px;
  height: 1px;
  background: rgba(138, 231, 68, 0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .work-content {
    top: 12vh;
    left: 1.5rem;
  }

  .work-card {
    width: clamp(180px, 52vw, 260px);
  }

  .work-card-desc {
    display: none;
  }

  .work-sidebar {
    display: none;
  }

  .work-corner-tag {
    right: 1.25rem;
    bottom: 1.25rem;
  }

  .work-label {
    left: 1.5rem;
    top: 4.2rem;
  }
}

/* ===== 指向 WORKS.II（STILLS）的入口 ===== */
.work-next {
  position: fixed;
  left: 5vw;
  bottom: 2rem;
  z-index: 210;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.3s ease, text-shadow 0.3s ease;
}

.work-next:hover {
  opacity: 1;
  text-shadow:
    -1px 0 0 var(--glitch-cyan),
    1px 0 0 var(--glitch-red);
}

@media (max-width: 768px) {
  .work-next {
    left: 1.5rem;
    bottom: 3.5rem;
  }
}