/* ==========================================================================
   Vilotime · 个人主页样式
   结构：变量 → 基础 → 背景装饰 → 个人资料 → 分站点 → 页脚 → 动效 → 响应式
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  color-scheme: dark;

  --bg: #0a0c11;
  --bg-soft: #10131b;

  --surface: rgba(255, 255, 255, 0.045);
  --surface-hover: rgba(255, 255, 255, 0.075);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);

  --text: #eef1f7;
  --text-soft: #a3abbd;
  --text-faint: #7c8496;

  --accent: #7b93ff;
  --accent-2: #a97bff;
  --accent-3: #37d6c0;

  --shadow-lift: 0 24px 50px -24px rgba(0, 0, 0, 0.85);
  --ring: 0 0 0 3px rgba(123, 147, 255, 0.45);

  --radius-lg: 22px;
  --radius: 16px;
  --radius-sm: 12px;

  --maxw: 940px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="light"] {
  color-scheme: light;

  --bg: #f6f7fb;
  --bg-soft: #ffffff;

  --surface: rgba(255, 255, 255, 0.78);
  --surface-hover: #ffffff;
  --border: rgba(16, 22, 40, 0.09);
  --border-strong: rgba(16, 22, 40, 0.2);

  --text: #12172a;
  --text-soft: #545c73;
  --text-faint: #646d80;

  --accent: #4f6bff;
  --accent-2: #8a52ff;
  --accent-3: #12b8a3;

  --shadow-lift: 0 22px 44px -26px rgba(24, 32, 60, 0.4);
  --ring: 0 0 0 3px rgba(79, 107, 255, 0.35);
}

/* ---------- 2. 基础 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont,
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
               "Noto Sans SC", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color 0.45s var(--ease), color 0.45s var(--ease);
}

h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- 3. 背景装饰 ---------- */
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(1200px 600px at 50% -10%, color-mix(in oklab, var(--accent) 16%, transparent), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 55%, var(--bg) 100%);
}

.bg__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}

.bg__blob--1 {
  width: 460px; height: 460px;
  top: -160px; left: -120px;
  background: color-mix(in oklab, var(--accent) 62%, transparent);
  animation: float-a 22s var(--ease) infinite alternate;
}

.bg__blob--2 {
  width: 400px; height: 400px;
  top: 12%; right: -150px;
  background: color-mix(in oklab, var(--accent-2) 55%, transparent);
  animation: float-b 27s var(--ease) infinite alternate;
}

.bg__blob--3 {
  width: 380px; height: 380px;
  bottom: -180px; left: 45%;
  background: color-mix(in oklab, var(--accent-3) 45%, transparent);
  animation: float-c 31s var(--ease) infinite alternate;
}

[data-theme="light"] .bg__blob { opacity: 0.32; filter: blur(110px); }

.bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.35;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 72%);
}

@keyframes float-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(70px, 60px, 0) scale(1.12); }
}
@keyframes float-b {
  from { transform: translate3d(0, 0, 0) scale(1.05); }
  to   { transform: translate3d(-60px, 80px, 0) scale(0.95); }
}
@keyframes float-c {
  from { transform: translate3d(0, 0, 0) scale(0.98); }
  to   { transform: translate3d(-50px, -70px, 0) scale(1.1); }
}

/* ---------- 4. 主题切换按钮 ---------- */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 20;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  cursor: pointer;
  transition: color 0.25s, background-color 0.25s, border-color 0.25s,
              transform 0.25s var(--ease);
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--surface-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.theme-toggle .icon { width: 20px; height: 20px; }
.theme-toggle .icon--sun { display: none; }
[data-theme="light"] .theme-toggle .icon--sun { display: block; }
[data-theme="light"] .theme-toggle .icon--moon { display: none; }

/* ---------- 5. 页面容器 ---------- */
.page {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(56px, 10vh, 104px) clamp(20px, 5vw, 32px) 56px;
}

/* ---------- 6. 个人资料 ---------- */
.profile {
  text-align: center;
  display: grid;
  justify-items: center;
}

/* 头像 */
.avatar {
  position: relative;
  width: 140px;
  height: 140px;
  margin-bottom: 26px;
  isolation: isolate;
}

/* 占位圆：图片没下载完时先显示它，避免看到「从上往下刷」的半张脸。
   一直存在也没关系——图片加载完会盖在它上面。 */
.avatar::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 50%;
  background: linear-gradient(145deg,
    var(--bg-soft),
    color-mix(in oklab, var(--accent) 18%, var(--bg-soft)));
  box-shadow: inset 0 0 0 1px var(--border);
}

/* 加载中：占位圆轻轻呼吸，表示还在等 */
.avatar--pending::after {
  animation: avatar-pulse 1.6s ease-in-out infinite;
}

@keyframes avatar-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.avatar__ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: conic-gradient(from 0deg,
    var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  filter: blur(2px);
  opacity: 0.85;
  animation: spin 9s linear infinite;
}

.avatar__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-lift), 0 0 0 5px var(--bg);
  transition: transform 0.5s var(--ease), opacity 0.45s var(--ease);
}

/* 还在下载：整张图先藏着；load 之后由 JS 去掉这个类，淡入 */
.avatar--pending .avatar__img {
  opacity: 0;
}

.avatar:hover .avatar__img { transform: scale(1.04); }

.avatar__badge {
  position: absolute;
  z-index: 2;
  right: 2px;
  bottom: 6px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #08130f;
  background: var(--accent-3);
  border: 3px solid var(--bg);
  border-radius: 999px;
  box-shadow: 0 6px 18px -6px rgba(55, 214, 192, 0.9);
}

@keyframes spin {
  to { transform: rotate(1turn); }
}

/* 昵称 */
.profile__name {
  font-size: clamp(2rem, 6vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
}

.profile__handle {
  font-size: 0.5em;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-faint);
}

/* 一句话简介 */
.profile__tagline {
  margin-top: 10px;
  font-size: clamp(0.95rem, 2.4vw, 1.08rem);
  font-weight: 500;
  background: linear-gradient(100deg, var(--accent), var(--accent-2) 45%, var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 正文简介 */
.profile__bio {
  max-width: 34em;
  margin-top: 18px;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.8;
  text-wrap: pretty;
}

/* 标签 */
.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 22px;
}

.chip {
  padding: 5px 13px;
  font-size: 0.82rem;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: color 0.25s, border-color 0.25s, background-color 0.25s;
}

.chip:hover {
  color: var(--text);
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

/* 按钮 */
.profile__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 0.94rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s,
              background-color 0.25s, border-color 0.25s, opacity 0.25s;
}

.btn .icon { width: 17px; height: 17px; transition: transform 0.25s var(--ease); }

.btn--primary {
  color: #fff;
  background: linear-gradient(104deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 30px -14px color-mix(in oklab, var(--accent) 90%, transparent);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 38px -14px color-mix(in oklab, var(--accent) 95%, transparent);
}

.btn--primary:hover .icon { transform: translateX(3px); }

.btn--ghost {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn--ghost:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

/* ---------- 7. 分站点 ---------- */
.sites { margin-top: clamp(64px, 11vh, 104px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.section-head__title {
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: 14px;
}

.site {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "icon body tag"
    "icon body arrow";
  align-items: start;
  gap: 0 16px;
  padding: 20px 20px 20px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.3s,
              background-color 0.3s, box-shadow 0.35s;
}

/* 悬停时的高光边框 */
.site::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg,
    color-mix(in oklab, var(--accent) 70%, transparent),
    transparent 45%,
    color-mix(in oklab, var(--accent-3) 55%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

.site:hover {
  transform: translateY(-4px);
  background: var(--surface-hover);
  box-shadow: var(--shadow-lift);
}

.site:hover::before { opacity: 1; }
.site:active { transform: translateY(-1px) scale(0.995); }

.site__icon {
  grid-area: icon;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-top: 2px;
  border-radius: 13px;
  color: rgb(var(--tint, 123 147 255));
  background: rgb(var(--tint, 123 147 255) / 0.14);
  border: 1px solid rgb(var(--tint, 123 147 255) / 0.28);
  transition: transform 0.35s var(--ease), background-color 0.3s;
}

.site__icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site:hover .site__icon { transform: scale(1.06) rotate(-3deg); }

.site__body {
  grid-area: body;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.site__title {
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.site__desc {
  font-size: 0.855rem;
  line-height: 1.6;
  color: var(--text-soft);
  text-wrap: pretty;
}

.site__tag {
  grid-area: tag;
  justify-self: end;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding-top: 3px;
}

.site__arrow {
  grid-area: arrow;
  justify-self: end;
  align-self: end;
  width: 16px;
  height: 16px;
  color: var(--text-faint);
  transition: color 0.3s, transform 0.35s var(--ease);
}

.site:hover .site__arrow {
  color: var(--text);
  transform: translate(3px, -3px);
}

/* ---------- 8. 页脚 ---------- */
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  /* 版权行删掉后只剩链接这一组，靠右对齐（窄屏见第 10 节，改回左对齐） */
  justify-content: flex-end;
  gap: 10px;
  margin-top: clamp(56px, 9vh, 88px);
  padding-top: 22px;
  border-top: 1px solid var(--border);
  font-size: 0.84rem;
  color: var(--text-faint);
}

.footer__links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__links a {
  transition: color 0.25s;
}

.footer__links a:hover { color: var(--text); }

.footer__sep { opacity: 0.5; }

/* ---------- 9. 入场动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 10. 响应式 ---------- */
@media (max-width: 620px) {
  /* 移动端点按链接/按钮时，系统会盖一层蓝灰色高亮方块（iOS / 安卓都有），
     深色主题下特别突兀，这里关掉。桌面端用的是鼠标，本来就不会出现。 */
  html {
    -webkit-tap-highlight-color: transparent;
  }

  .theme-toggle { top: 14px; right: 14px; width: 40px; height: 40px; }

  .avatar { width: 116px; height: 116px; }

  .profile__name { gap: 8px; }

  .profile__handle {
    font-size: 0.45em;
    width: 100%;
    text-align: center;
  }

  .btn { padding: 10px 18px; font-size: 0.9rem; }

  .site-grid { grid-template-columns: 1fr; }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* 手指点击 / 鼠标点击后不要再描一圈焦点框；
   键盘 Tab 过来的焦点仍然保留（:focus-visible），无障碍不受影响。 */
:focus:not(:focus-visible) {
  outline: none;
}

/* ---------- 11. 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal { opacity: 1; transform: none; }
}