/* ──────────────────────────────────────────────
   基础 Reset
   ────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; }

/* ──────────────────────────────────────────────
   Houdini @property 类型化颜色 token
   没有这个，token 的 transition 不会生效
   ────────────────────────────────────────────── */
@property --bg   { syntax: '<color>'; inherits: true; initial-value: #080808; }
@property --text { syntax: '<color>'; inherits: true; initial-value: #b4b4b4; }
@property --mid  { syntax: '<color>'; inherits: true; initial-value: #404040; }
@property --line { syntax: '<color>'; inherits: true; initial-value: #181818; }

:root {
  --bg:   #080808;
  --text: #b4b4b4;
  --mid:  #404040;
  --line: #181818;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Fragment Mono', monospace;
  font-size: 14px;
  line-height: 1.7;
  transition: --bg 400ms ease, --text 400ms ease, --mid 400ms ease, --line 400ms ease;
}

/* ──────────────────────────────────────────────
   氛围叠加层
   ────────────────────────────────────────────── */
#leaves-overlay {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 999;
  opacity: 0;
  transition: opacity 700ms var(--ease-out);
}
body.leaves #leaves-overlay { opacity: 1; }

#moon-overlay {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
  z-index: 999;
  opacity: 0;
  transition: opacity 700ms var(--ease-out);
}
body.midnight #moon-overlay { opacity: 0.6; }
@media (max-width: 768px) {
  #moon-overlay { object-position: left; }
}

#rain-overlay {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
  mix-blend-mode: multiply;
  z-index: 999;
  opacity: 0;
  transition: opacity 700ms var(--ease-out);
}
body.rain #rain-overlay { opacity: 0.6; }

/* ──────────────────────────────────────────────
   rain 变体（冷灰）
   ────────────────────────────────────────────── */
body.rain {
  --bg:   #9AA4B0;
  --text: #1a1a1a;
  --mid:  #70787f;
  --line: #bcc1c7;
}
body.rain .logo            { filter: none; }
body.rain a                { text-decoration-color: #a0a8b0; }
body.rain a:hover          { color: #000; text-decoration-color: #606870; }
body.rain .video-btn:hover,
body.rain .voice-play-btn:hover { color: #000; }

/* ──────────────────────────────────────────────
   light 模式（暖白）
   ────────────────────────────────────────────── */
body.light {
  --bg:   #f2efe9;
  --text: #1a1a1a;
  --mid:  #888;
  --line: #d8d5cf;
}
body.light .logo            { filter: none; }
body.light a                { text-decoration-color: #b0b0b0; }
body.light a:hover          { color: #000; text-decoration-color: #606060; }
body.light .video-btn:hover,
body.light .voice-play-btn:hover { color: #000; }

/* ──────────────────────────────────────────────
   三列 grid 布局
   ────────────────────────────────────────────── */
.page {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  min-height: 100vh;
}

.col {
  padding: 24px;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: none;
  min-width: 0;
}
.col::-webkit-scrollbar { display: none; }
.col::after { content: ''; display: block; height: 24px; }
#col-thoughts::after, #col-images::after { height: 0; }
.col + .col { border-left: 1px solid var(--line); }
.col-1 { overflow: hidden; }

/* ──────────────────────────────────────────────
   Col 1 — 身份
   ────────────────────────────────────────────── */
.logo {
  display: block;
  height: 28px;
  width: auto;
  filter: invert(1);
  margin-bottom: 32px;
}

p { margin-bottom: 32px; }

/* Intro 副信息（现职 + 过往），淡色小字 */
.intro-sub {
  display: block;
  color: var(--mid);
  font-size: 12px;
  line-height: 1.6;
  margin-top: 4px;
}

.section       { margin-bottom: 28px; }
.section-title {
  font-size: 10px;
  font-weight: 500;
  color: var(--mid);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 6px;
}

.links { display: flex; flex-direction: column; gap: 4px; }

a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: #303030;
}
a:hover { color: #e0e0e0; text-decoration-color: #606060; }

/* ──────────────────────────────────────────────
   Col 1 入场 stagger
   ────────────────────────────────────────────── */
@keyframes colFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.col-1 > :nth-child(1) { animation: colFadeIn 560ms var(--ease-out)  80ms both; }
.col-1 > :nth-child(2) { animation: colFadeIn 560ms var(--ease-out) 160ms both; }
.col-1 > :nth-child(3) { animation: colFadeIn 560ms var(--ease-out) 240ms both; }
.col-1 > :nth-child(4) { animation: colFadeIn 560ms var(--ease-out) 320ms both; }
@media (prefers-reduced-motion: reduce) {
  .col-1 > :nth-child(n) { animation: none; }
}

/* ──────────────────────────────────────────────
   Loading
   ────────────────────────────────────────────── */
.col-loader { color: var(--mid); padding-top: 2px; }
.col-loader-cursor { animation: blink 1.2s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ──────────────────────────────────────────────
   Entry（条目通用样式）
   ────────────────────────────────────────────── */
.entry {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 520ms var(--ease-out), transform 520ms var(--ease-out);
  margin-bottom: 32px;
}
.entry.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .entry { transform: none; transition-duration: 0ms; }
}
.entry-text   { color: var(--text); white-space: pre-wrap; word-break: break-word; }
.entry-time   { font-size: 11px; color: var(--mid); margin-top: 6px; }
#col-images .entry-time { display: none; }
.entry-img    { display: block; width: 100%; height: auto; }
.entry-caption { color: var(--text); margin-top: 8px; word-break: break-word; }
.entry-img[loading="lazy"] { background: var(--line); }

/* Shader 未 ready 时 CSS 点阵占位：SVG hex pattern + #2B2B2B 硬编码匹配 shader colorFront
   盖住原图，避免首屏看到清晰原图再"粘"上 shader。点色不跟主题（shader 本身也不跟主题） */
.img-wrap:not([data-shader-init="1"])::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--bg);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='6' height='10.39' viewBox='0 0 6 10.39'><circle cx='0' cy='0' r='0.6' fill='%232B2B2B'/><circle cx='6' cy='0' r='0.6' fill='%232B2B2B'/><circle cx='3' cy='5.196' r='0.6' fill='%232B2B2B'/><circle cx='0' cy='10.39' r='0.6' fill='%232B2B2B'/><circle cx='6' cy='10.39' r='0.6' fill='%232B2B2B'/></svg>");
  background-size: 6px 10.39px;
  z-index: 2;
  pointer-events: none;
}

/* Lightbox：点击图片全屏看原图 */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  cursor: zoom-out;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms var(--ease-out);
}
.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: #e0e0e0;
  font-family: 'Fragment Mono', monospace;
  font-size: 24px;
  cursor: pointer;
  padding: 8px 12px;
  line-height: 1;
}
.lightbox-close:hover { color: #fff; }
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #606060;
  font-family: 'Fragment Mono', monospace;
  font-size: 16px;
  cursor: pointer;
  padding: 16px 20px;
  line-height: 1;
  transition: color 120ms;
}
.lightbox-prev { left: 0; }
.lightbox-next { right: 0; }
.lightbox-prev:hover,
.lightbox-next:hover { color: #e0e0e0; }
.lightbox-counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: #606060;
  font-family: 'Fragment Mono', monospace;
  font-size: 11px;
  pointer-events: none;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .lightbox-prev,
  .lightbox-next { padding: 12px 14px; }
}
/* Col 3 / thought 图片加上可点手势 */
#col-images .img-wrap,
.thought-images .img-wrap { cursor: zoom-in; }
@media (max-width: 640px) {
  .lightbox { padding: 16px; }
  .lightbox-close { top: 12px; right: 12px; }
}

/* Col 3 图片上下间距 = col padding 24px，和离左侧分割线等宽 */
#col-images .entry { margin-bottom: 24px; }

/* Col 3 图片统一长方形（3:2），避免正方形占屏过多 */
#col-images .entry > .img-wrap,
#col-images .gallery-slide .img-wrap {
  overflow: hidden;
}
/* aspect-ratio 设在 img 本身：img 元素进 DOM 浏览器立刻知道它是 3:2，
   不依赖 parent 尺寸计算，避免布局跳动 */
#col-images .entry > .img-wrap .entry-img,
#col-images .gallery-slide .img-wrap .entry-img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* thought 带配图：下面自动排网格 */
.thought-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin-top: 12px;
}
.thought-images .img-wrap { overflow: hidden; }
.thought-images .entry-img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }

/* howto: 置顶的玩法说明，用淡色文字和普通 entry 区分 */
.how-to-entry { margin-bottom: 40px; }
.how-to-entry .entry-text { color: var(--mid); }

/* ──────────────────────────────────────────────
   Shader overlay（图片覆盖）
   ────────────────────────────────────────────── */
.img-wrap { position: relative; display: block; }
.shader-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: opacity 700ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .img-wrap:hover .shader-overlay { opacity: 0; }
}
.img-wrap.img-pressing .shader-overlay {
  opacity: 0 !important;
  transition: opacity 150ms var(--ease-out) !important;
}

/* ──────────────────────────────────────────────
   视频 entry
   ────────────────────────────────────────────── */
.video-entry { display: block; }
.video-wrap { position: relative; display: block; cursor: pointer; isolation: isolate; }
.video-wrap video { display: block; width: 100%; height: auto; }
.video-wrap .shader-overlay { z-index: 1; transform: translateZ(0); }
.video-wrap--circle { border-radius: 50%; overflow: hidden; aspect-ratio: 1 / 1; }
.video-wrap--circle video { width: 100%; height: 100%; object-fit: cover; }
.video-controls {
  display: flex; justify-content: space-between;
  padding: 4px 0; line-height: 1;
}
.video-btn {
  background: none; border: none; color: var(--text);
  font-family: 'Fragment Mono', monospace;
  font-size: 14px; cursor: pointer; padding: 0;
  white-space: nowrap; line-height: 1;
  transition: transform 120ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .video-btn:hover { color: #e0e0e0; }
}
.video-btn:active { transform: scale(0.93); }

/* ──────────────────────────────────────────────
   语音播放器
   ────────────────────────────────────────────── */
.voice-player {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 0; line-height: 1;
}
.voice-play-btn {
  background: none; border: none; color: var(--text);
  font-family: 'Fragment Mono', monospace;
  font-size: inherit;
  cursor: pointer; padding: 0;
  white-space: nowrap; line-height: 1; flex-shrink: 0;
  transition: transform 120ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .voice-play-btn:hover { color: #e0e0e0; }
}
.voice-play-btn:active { transform: scale(0.93); }
.voice-scrubber {
  flex: 1;
  cursor: pointer;
  color: var(--mid);
  letter-spacing: 0.05em;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  line-height: 1;
}
.voice-scrubber:hover { color: var(--text); }
.voice-time {
  color: var(--mid);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  flex-shrink: 0;
}
.voice-transcript {
  display: none;
  margin-top: 10px;
  color: var(--mid);
  line-height: 1.7;
  word-break: break-word;
}
.voice-word { transition: color 0.1s; }
.voice-word.spoken { color: var(--text); }

/* ──────────────────────────────────────────────
   Gallery
   ────────────────────────────────────────────── */
.gallery-slides { position: relative; }
.gallery-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}
.gallery-slide.active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
}
.gallery-slide.leaving {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  animation: galOut 220ms linear forwards;
}
@keyframes galOut { from { opacity: 1; } to { opacity: 0; } }

@keyframes slideInRight  { from { opacity: 0; transform: translateX(28px); }  to { opacity: 1; transform: translateX(0); } }
@keyframes slideInLeft   { from { opacity: 0; transform: translateX(-28px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideOutLeft  { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(-28px); } }
@keyframes slideOutRight { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(28px); } }

@media (max-width: 768px) {
  .gallery-slide.active.entering-next { animation: slideInRight 280ms var(--ease-out) both; }
  .gallery-slide.active.entering-prev { animation: slideInLeft  280ms var(--ease-out) both; }
  .gallery-slide.leaving.leaving-next { animation: slideOutLeft  280ms var(--ease-out) forwards; }
  .gallery-slide.leaving.leaving-prev { animation: slideOutRight 280ms var(--ease-out) forwards; }
  .gallery-wrap .gallery-slide:not(:first-child) .shader-overlay { display: none; }
  .gallery-wrap.gallery-pressing .shader-overlay {
    opacity: 0 !important;
    transition: opacity 150ms var(--ease-out) !important;
  }
}
.gallery-navigating .shader-overlay {
  opacity: 0 !important;
  transition: none !important;
}
@media (hover: hover) and (pointer: fine) {
  .gallery-wrap:hover .shader-overlay { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .gallery-slide.leaving { animation-duration: 0ms; }
}
.gallery-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 6px; gap: 8px;
}
.gallery-caption { color: var(--text); word-break: break-word; flex: 1; }
.gallery-nav { display: flex; align-items: center; gap: 8px; flex-shrink: 0; line-height: 1; }
.gallery-btn {
  background: none; border: none; color: var(--mid);
  font-family: 'Fragment Mono', monospace; font-size: inherit;
  cursor: pointer; padding: 0; line-height: 1;
  transition: transform 120ms var(--ease-out), color 120ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .gallery-btn:hover { color: var(--text); }
}
.gallery-btn:active { transform: scale(0.85); color: var(--text); }
.gallery-counter { color: var(--mid); }

/* ──────────────────────────────────────────────
   Social 固定 + 语言切换器
   ────────────────────────────────────────────── */
.social-fixed {
  position: fixed;
  bottom: 24px;
  left: 24px;
}
@media (max-width: 768px) {
  .social-fixed { position: static; margin-top: 28px; }
}
.lang-switch {
  display: flex; align-items: center; gap: 4px;
  margin-bottom: 16px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.lang-btn {
  background: none; border: none;
  color: var(--mid);
  font-family: 'Fragment Mono', monospace;
  font-size: 10px;
  cursor: pointer; padding: 0;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  transition: color 160ms var(--ease-out);
}
.lang-btn.active { color: var(--text); }
.lang-btn:hover { color: var(--text); }
.lang-sep { color: var(--mid); }

/* ──────────────────────────────────────────────
   Logo 字母（mobile tap）
   ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .logo-letter[data-mode] { cursor: pointer; touch-action: manipulation; }
  .logo-letter[data-mode]:active path,
  .logo-letter[data-mode]:active text { opacity: 0.5; }
}

/* ──────────────────────────────────────────────
   移动端堆叠
   ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .page { grid-template-columns: 1fr; }
  .col  { height: auto; overflow-y: visible; }
  .col::after { height: 0; }
  .col + .col { border-left: none; border-top: 1px solid var(--line); }
  .col-1 { overflow: visible; }
  .gallery-footer { align-items: flex-start; }
  .gallery-footer .gallery-nav { padding-top: 4px; }
}