/* ============================================================
   tanqinghua. — global stylesheet
   手绘 + 极简。手写体只贴 网站名/导航/app 名，正文 Inter。
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face {
  font-family: "tanqinghua";
  src: url("/assets/fonts/tanqinghuafont.woff2") format("woff2");
  font-display: swap;
}

:root {
  --font-hand: "tanqinghua", system-ui, sans-serif;          /* 网站名 + 标题 */
  --font-body: "Inter", "Work Sans", system-ui, sans-serif;  /* 正文 / 其余一切 */

  /* 基础主题（home / about / works列表 / contact） */
  --bg: #FFFFFF;
  --ink: #1A1A1A;
  --accent: #FFC83D;
  --transition: 0.6s cubic-bezier(.4, 0, .2, 1);
}

/* ---------- 代表色主题（data-theme） ---------- */
body[data-theme="tomanotes"]  { --bg: #EAE7E1; --ink: #1A1A1A; }
body[data-theme="notiee"]     { --bg: #09C576; --ink: #0A2A1B; }
body[data-theme="artista"]    { --bg: #F5DFF3; --ink: #2A1A28; }
body[data-theme="dreamland"]  { --bg: #121212; --ink: #F5F5F5; } /* 暗色，文字翻白 */

/* ---------- Reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  transition: background-color var(--transition), color var(--transition);
  animation: pageIn .4s ease both;            /* 进场淡入 */
  min-height: 100vh;
}

@keyframes pageIn { from { opacity: 0; } to { opacity: 1; } }

a { color: inherit; }

/* 中文模式：正文与几个原本手写体的标题回落到中文系统字体 */
html[lang="zh"] body,
html[lang="zh"] .contact-title,
html[lang="zh"] .modal-q,
html[lang="zh"] .note-bubble-text,
html[lang="zh"] .resume-head {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
}

/* ============================================================
   布局系统（隐形网格，每页通用）
   左列 ~180px，离左 48px；内容区从 ~260px 起，max-width 560px。
   间距用 8 的倍数；body 居中 max-width 1200。
   ============================================================ */
.page {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 48px 84px;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 180px 1fr;
  grid-template-rows: auto 1fr;
  column-gap: 80px;
}

/* 注入槽本身不占布局，让 site-name / nav 直接成为 .page 的网格项 */
#nav-placeholder { display: contents; }

/* 页脚版权：每页底部左下，安静不抢戏（JS 注入） */
.site-footer {
  position: absolute;
  bottom: 28px;
  left: 48px;
  font-family: var(--font-body);
  font-size: .8rem;
  opacity: .4;
}

/* 网站名：手写体，永远链回首页 */
.site-name {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-hand);
  font-size: 2.75rem;
  text-decoration: none;
  line-height: 1.1;
  align-self: start;
}

/* ---------- 左列导航 ---------- */
.nav {
  grid-column: 1;
  grid-row: 2;
  align-self: start;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.nav a {
  font-family: var(--font-hand);
  font-size: 1.6rem;
  text-decoration: none;
  width: max-content;
  opacity: .75;
  transition: opacity .25s ease;
}
.nav a:hover,
.nav a.active { opacity: 1; }

/* 中/En 切换开关 */
.nav .lang-toggle {
  font-family: var(--font-body);
  font-size: .9rem;
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.lang-btn {
  font: inherit;
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  cursor: pointer;
  opacity: .45;
  transition: opacity .2s ease;
}
.lang-btn.active { opacity: 1; font-weight: 500; }
.lang-btn:hover { opacity: .8; }
.lang-sep { opacity: .4; }

/* 黄色 active 波浪线 */
.active-mark { width: 60px; height: 12px; display: none; margin-top: 2px; }
.nav a.active .active-mark { display: block; }

/* ---------- 内容区 ---------- */
.content {
  grid-column: 2;
  grid-row: 1 / span 2;
  max-width: 560px;
  padding-top: 8px;
}

/* 有右上涂鸦的页面：内容从涂鸦下沿水平处开始，重心下移、不贴顶 */
.page:has(.doodles) .content { padding-top: 300px; }

/* about 正文排版 */
.about-copy {
  font-size: 1.2rem;
  line-height: 1.85;
  max-width: 64ch;
}
.about-copy p { margin: 0 0 1em; }

/* hidden 属性优先级兜底（resume li 设了 display:flex 会盖掉 UA 的 display:none） */
[hidden] { display: none !important; }

/* ---------- about：education / internship ---------- */
.resume { margin-top: 64px; }
.resume-head {
  font-family: var(--font-hand);
  font-size: 1.7rem;
  margin: 0 0 18px;
}
.resume-list { list-style: none; padding: 0; margin: 0 0 44px; }
.resume-list li { display: flex; gap: 20px; margin-bottom: 22px; }
.resume-year {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  min-width: 44px;
  opacity: .8;
}
.resume-body { display: flex; flex-direction: column; gap: 3px; }
.resume-title { font-size: 1.05rem; }
.resume-org { font-size: .95rem; opacity: .55; }

/* 解锁 hnip 时轻轻浮现 */
.edu-hidden:not([hidden]) { animation: fadeUp .45s ease both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 笔（notebook 涂鸦）可点：默认整组涂鸦 pointer-events:none，这里单独打开 */
.about-doodles .notebook {
  pointer-events: auto;
  cursor: pointer;
  transition: transform .2s ease;
}
.about-doodles .notebook:hover,
.about-doodles .notebook:focus-visible { transform: rotate(-2deg) scale(1.03); }

/* ---------- 点笔弹窗 ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, .25); }
.modal-box {
  position: relative;
  background: var(--bg);
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 16px;
  padding: 32px 28px;
  max-width: 420px;
  width: 100%;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .12);
  animation: popIn .25s ease both;
}
.modal-q {
  font-family: var(--font-hand);
  font-size: 1.5rem;
  line-height: 1.3;
  margin: 0 0 24px;
}
.modal-actions { display: flex; flex-direction: column; gap: 12px; }
.modal-btn {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 16px;
  border: 1.5px solid var(--ink);
  border-radius: 10px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
  transition: background-color .2s ease, transform .1s ease;
}
.modal-btn:hover { background: var(--accent); border-color: var(--accent); }
.modal-btn:active { transform: translateY(1px); }
@keyframes popIn {
  from { opacity: 0; transform: scale(.96); }
  to   { opacity: 1; transform: scale(1); }
}

/* ============================================================
   涂鸦 & 动画
   只用 transform / opacity；循环 3–4s；尊重 reduced-motion。
   涂鸦为透明 PNG，直接叠放。
   ============================================================ */
.doodles {
  position: absolute;
  top: 48px;
  right: 48px;
  width: 320px;
  height: 320px;
  pointer-events: none;
}
.doodle { position: absolute; }

/* dreamland 暗底：黑线涂鸦翻白 */
body[data-theme="dreamland"] .doodle { filter: invert(1); }

/* ---- home：睡觉小人（主角，放大下移）+ 飘 z ---- */
.home-doodles {
  width: 620px; height: 560px;
  top: auto; bottom: 24px; right: 40px;
}
.home-doodles .person {
  bottom: 0; right: 0; width: 460px;
  transform-origin: bottom center;
  animation: breathe 4s ease-in-out infinite;
}
/* z 锚在小人头顶，自下往上、向右斜着飘 */
.home-doodles .z {
  width: 34px;
  bottom: 205px; right: 150px;
  animation: floatZ 3.5s ease-out infinite;
}
.home-doodles .z:nth-of-type(2) { bottom: 235px; right: 120px; width: 42px; animation-delay: 1.1s; }
.home-doodles .z:nth-of-type(3) { bottom: 270px; right: 88px; width: 50px; animation-delay: 2.2s; }

@keyframes floatZ {
  0%   { transform: translateY(0)     scale(1);   opacity: 0; }
  20%  { opacity: 1; }
  100% { transform: translateY(-40px) scale(1.3); opacity: 0; }
}
@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.02); }
}

/* ---- home：聊天气泡（随机打招呼，点开留言）---- */
.note-bubble {
  position: absolute;
  bottom: 330px;
  right: 330px;
  width: 360px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  z-index: 5;
  transition: transform .25s ease;
}
.note-bubble:hover,
.note-bubble:focus-visible { transform: rotate(-1.5deg) scale(1.03); }
.note-bubble-img { display: block; width: 100%; height: auto; }
.note-bubble-text {
  position: absolute;
  left: 10%;
  top: 19%;
  width: 58%;
  height: 46%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-hand);
  font-size: 1.45rem;
  line-height: 1.25;
  color: var(--ink);
}

/* ---- about：笔记本+笔、咖啡杯（飘热气） ---- */
.about-doodles .notebook { top: 0;   right: 110px; width: 150px; }
.about-doodles .coffee   { top: 130px; right: 10px;  width: 130px; }
.about-doodles .steam    {
  top: 90px; right: 60px; width: 40px;
  animation: steam 4s ease-in-out infinite;
}
@keyframes steam {
  0%   { transform: translateY(0)    translateX(0); opacity: 0; }
  30%  { opacity: .7; }
  100% { transform: translateY(-30px) translateX(4px); opacity: 0; }
}

/* ---- works：树+栅栏+猫（猫会走） ---- */
.works-doodles .tree { top: 0;   right: 0;  width: 240px; }
.works-doodles .cat  {
  bottom: 30px; right: 90px; width: 90px;
  animation: catWalk 6s ease-in-out infinite;
  pointer-events: auto;          /* 可抓（涂鸦组默认 pointer-events:none） */
  cursor: grab;
  touch-action: none;            /* 触屏拖动不触发滚动 */
}
.works-doodles .cat.dragging { cursor: grabbing; }
.works-doodles .cat.loose { z-index: 60; }   /* 拖动/蹦回时浮在最上层 */
@keyframes catWalk {
  0%, 100% { transform: translateX(0)    translateY(0); }
  50%      { transform: translateX(20px) translateY(-2px); }
}

/* ---- contact：两个杯子碰杯（单张 PNG，做整体轻呼吸） ---- */
.contact-doodles .cups {
  top: 40px; right: 40px; width: 200px;
  transform-origin: bottom center;
  animation: breathe 4s ease-in-out infinite;
}

/* ============================================================
   Works 列表（2×2 网格）
   ============================================================ */
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px 56px;
  margin-top: 8px;
}
.app-card { display: block; }
.app-title {
  font-family: var(--font-hand);
  font-size: 2rem;
  text-decoration: none;
  display: inline-block;
}
.app-blurb {
  font-family: var(--font-body);
  font-size: 1rem;
  margin-top: 8px;
  opacity: .35;                          /* 默认半透明，hover 浮现 */
  transition: opacity .3s ease;
  max-width: 22ch;
}
.app-card:hover .app-blurb,
.app-card:focus-within .app-blurb { opacity: .8; }

/* ============================================================
   App 详情页
   ============================================================ */
.back-link {
  font-family: var(--font-body);
  font-size: .95rem;
  text-decoration: none;
  opacity: .7;
  display: inline-block;
  margin-bottom: 40px;
}
.back-link:hover { opacity: 1; }

.detail-title {
  font-family: var(--font-hand);
  font-size: 3.5rem;
  margin: 0 0 8px;
  line-height: 1.05;
}
.detail-tagline {
  font-size: 1.2rem;
  opacity: .8;
  margin: 0 0 40px;
}
.detail-body { font-size: 1.1rem; line-height: 1.7; max-width: 60ch; }
.detail-body p { margin: 0 0 1.2em; }

/* 标题行：app 图标 + 名（图标缺失时 onerror 自删，标题不受影响） */
.detail-head { display: flex; align-items: center; gap: 18px; margin-bottom: 8px; }
.detail-head .detail-title { margin: 0; }
.app-icon { width: 72px; height: 72px; border-radius: 16px; flex: none; }

/* 状态 / 日期 */
.detail-meta { font-size: .95rem; opacity: .55; margin: 0 0 36px; }

/* 截图画廊：横向排布，左右箭头切换，点击放大；隐藏滚动条 */
.gallery { position: relative; margin: 36px 0; }
.shots {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x proximity;
  scrollbar-width: none;            /* firefox */
  -ms-overflow-style: none;
}
.shots::-webkit-scrollbar { display: none; }   /* webkit：删掉那条丑滚动条 */
.shots:not(:has(.shot)) { display: none; }
.shot { margin: 0; flex: 0 0 auto; scroll-snap-align: start; }
.shot img {
  height: 340px;
  width: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, .1);
  cursor: zoom-in;
}
body[data-theme="dreamland"] .shot img { border-color: rgba(255, 255, 255, .15); }

/* 左右切换箭头（仅图片溢出时由 JS 显示） */
.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--ink);
  border: 1.5px solid var(--ink);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  z-index: 3;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, .12);
  transition: background-color .2s ease, opacity .2s ease;
}
.gallery-arrow:hover { background: var(--accent); border-color: var(--accent); color: #1A1A1A; }
.gallery-arrow.prev { left: 10px; }
.gallery-arrow.next { right: 10px; }
.gallery-arrow:disabled { opacity: 0; pointer-events: none; }
.gallery-arrow[hidden] { display: none; }

/* 点击放大灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, .85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5vmin;
  cursor: zoom-out;
}
.lightbox[hidden] { display: none; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, .5);
}

.detail-links { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 8px; }
.detail-links a, .detail-links span {
  font-size: .95rem; opacity: .6; text-decoration: none;
  border-bottom: 1px solid currentColor; padding-bottom: 1px;
}
.detail-links a:hover { opacity: 1; }

/* 下载：做成实心小按钮，更显眼 */
.detail-links a.detail-download {
  opacity: 1;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 8px 20px;
  font-family: var(--font-hand);
  font-size: 1.1rem;
  transition: background-color .2s ease, color .2s ease, transform .1s ease;
}
.detail-links a.detail-download:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #1A1A1A;
}
.detail-links a.detail-download:active { transform: translateY(1px); }

/* notiee：app store / website 按钮（coming soon 占位，不可点） */
.store-buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  cursor: default;
  user-select: none;
}
.store-btn svg { width: 20px; height: 20px; flex: none; }
.store-btn.filled { background: #FFFFFF; color: #1A1A1A; }
.store-btn.filled svg { fill: #1A1A1A; }
.store-btn.outline {
  background: transparent;
  color: inherit;
  border: 1.5px solid currentColor;
}
.store-btn.outline .icon-globe { fill: none; stroke: currentColor; stroke-width: 1.8; }
.store-btn .soon { font-size: .72rem; opacity: .5; }

/* ============================================================
   Contact
   ============================================================ */
.contact-title {
  font-family: var(--font-hand);
  font-size: 3rem;
  margin: 0 0 14px;
  line-height: 1.05;
}
.contact-intro {
  font-size: 1.1rem;
  line-height: 1.6;
  opacity: .7;
  max-width: 40ch;
  margin: 0 0 36px;
}

/* 邮箱：大号，手绘黄色下划线常驻 */
.contact-email {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 1.5rem;
  text-decoration: none;
  margin-bottom: 44px;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 4px;
  padding-bottom: 3px;
  transition: background-size .25s ease;
}
.contact-email:hover { background-size: 100% 8px; }

/* 社交：手绘药丸标签，整行铺开，hover 填黄 */
.social-row { display: flex; flex-wrap: wrap; gap: 14px; }
.social-chip {
  font-family: var(--font-hand);
  font-size: 1.35rem;
  text-decoration: none;
  padding: 8px 22px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  transition: background-color .2s ease, color .2s ease, transform .1s ease;
}
.social-chip:hover,
.social-chip:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: #1A1A1A;
}
.social-chip:active { transform: translateY(1px); }

/* ============================================================
   响应式（桌面优先；窄屏单列、导航转顶部、涂鸦缩小）
   ============================================================ */
@media (max-width: 768px) {
  .page {
    display: block;
    padding: 24px 24px 72px;
  }
  .site-footer { left: 24px; bottom: 20px; }
  .shot img { height: 240px; }
  .nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 16px;
    align-items: center;
  }
  .nav .lang-toggle { margin-top: 0; }
  .content { max-width: 100%; margin-top: 24px; }
  /* 窄屏取消桌面端的大上偏移，涂鸦在内容上方独立成块 */
  .page:has(.doodles) .content { padding-top: 0; }
  .doodles {
    position: relative;
    top: auto; bottom: auto; right: auto;
    width: 240px; height: 240px;
    margin: 24px 0 0 auto;
  }
  .note-bubble {
    position: relative;
    bottom: auto; right: auto;
    width: 230px;
    margin: 24px 0 0 auto;
  }
  .home-doodles { width: 260px; height: 260px; }
  .home-doodles .person { width: 220px; }
  .home-doodles .z { bottom: 95px; right: 85px; width: 20px; }
  .home-doodles .z:nth-of-type(2) { bottom: 115px; right: 65px; width: 24px; }
  .home-doodles .z:nth-of-type(3) { bottom: 140px; right: 42px; width: 28px; }
  .works-grid { grid-template-columns: 1fr; gap: 32px; }
  .detail-title { font-size: 2.4rem; }
}

/* ============================================================
   无障碍 / reduced-motion
   ============================================================ */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  *,
  .z, .steam, .cat, .person, .cups,
  .cup-left, .cup-right {
    animation: none !important;
    transition: none !important;
  }
}