:root[data-theme="dark"] {
  --bg:            #0a0c16;
  --text:          #f1f3f9;
  --text-dim:      #9ba2b8;
  --glass:         rgba(255, 255, 255, 0.06);
  --glass-border:  rgba(255, 255, 255, 0.14);
  --glass-shadow:  0 24px 70px rgba(0, 0, 0, 0.55);
  --chip:          rgba(255, 255, 255, 0.07);
  --chip-hover:    rgba(255, 255, 255, 0.13);
  --accent:        #8b7cff;
  --accent-2:      #22d3ee;
  --blob-opacity:  .55;
  --overlay:       rgba(4, 6, 14, .58);
  --modal-bg:      rgba(21, 24, 38, .84);
  --btn-solid-text: #fff; 
}

:root[data-theme="light"] {
  --bg:            #eaeefb;
  --text:          #131622;
  --text-dim:      #5c6274;
  --glass:         rgba(255, 255, 255, 0.55);
  --glass-border:  rgba(255, 255, 255, 0.85);
  --glass-shadow:  0 24px 70px rgba(35, 45, 90, 0.16);
  --chip:          rgba(255, 255, 255, 0.62);
  --chip-hover:    rgba(255, 255, 255, 0.92);
  --accent:        #5b53e0;
  --accent-2:      #0ea5b7;
  --blob-opacity:  .40;
  --overlay:       rgba(42, 50, 84, .30);
  --modal-bg:      rgba(255, 255, 255, .84);
  --btn-solid-text: #131622; 
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  transition: background-color .55s cubic-bezier(.4, 0, .2, 1);
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 76px 20px 56px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  transition: color .55s cubic-bezier(.4, 0, .2, 1);
}

a { color: inherit; }

::selection { background: var(--accent); color: #fff; }

.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: var(--blob-opacity);
  transition: opacity .6s cubic-bezier(.4, 0, .2, 1);
}

.blob.b1 {
  width: 55vmax; height: 55vmax;
  top: -22vmax; left: -18vmax;
  background: radial-gradient(circle, #7c5cff, transparent 68%);
}

.blob.b2 {
  width: 48vmax; height: 48vmax;
  bottom: -22vmax; right: -16vmax;
  background: radial-gradient(circle, #22d3ee, transparent 68%);
}

.blob.b3 {
  width: 34vmax; height: 34vmax;
  top: 40%; left: 58%;
  background: radial-gradient(circle, #f472b6, transparent 70%);
  opacity: calc(var(--blob-opacity) * .6);
}

.theme-toggle {
  position: fixed;
  top: 22px; right: 22px;
  z-index: 20;
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  transition: transform .25s cubic-bezier(.2,.8,.2,1),
              background-color .55s cubic-bezier(.4, 0, .2, 1),
              border-color .55s cubic-bezier(.4, 0, .2, 1),
              color .55s cubic-bezier(.4, 0, .2, 1);
}

.theme-toggle:hover  { transform: scale(1.1) rotate(12deg); }
.theme-toggle:active { transform: scale(.94); }

.theme-toggle svg {
  position: absolute;
  width: 21px; height: 21px;
  transition: opacity .3s ease, transform .45s cubic-bezier(.2,.8,.2,1);
}

:root[data-theme="dark"] .icon-moon { opacity: 0; transform: rotate(-90deg) scale(.5); }
:root[data-theme="dark"] .icon-sun  { opacity: 1; transform: none; }
:root[data-theme="light"] .icon-sun  { opacity: 0; transform: rotate(90deg) scale(.5); }
:root[data-theme="light"] .icon-moon { opacity: 1; transform: none; }

.card {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  padding: 42px 38px 36px;
  border-radius: 30px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(26px) saturate(180%);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  animation: rise .65s cubic-bezier(.2,.8,.2,1) both;
  transition: background-color .55s cubic-bezier(.4, 0, .2, 1),
              border-color .55s cubic-bezier(.4, 0, .2, 1),
              box-shadow .55s cubic-bezier(.4, 0, .2, 1);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px) scale(.985); }
  to   { opacity: 1; transform: none; }
}

.avatar-ring {
  width: 124px; height: 124px;
  margin: 0 auto 20px;
  padding: 3px;
  border-radius: 50%;
  background: conic-gradient(from 180deg, #7c5cff, #22d3ee, #f472b6, #7c5cff);
  box-shadow: 0 12px 34px rgba(124, 92, 255, .35);
}

.avatar {
  display: block;
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: #1a1d2b;
}

.name {
  margin: 0;
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: .2px;
}

.handle {
  margin: 6px 0 0;
  text-align: center;
  font-size: 14px;
  color: var(--text-dim);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  transition: color .55s cubic-bezier(.4, 0, .2, 1);
}

.bio {
  margin: 18px auto 0;
  max-width: 560px;
  text-align: center;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
  transition: color .55s cubic-bezier(.4, 0, .2, 1);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  background: var(--chip);
  border: 1px solid var(--glass-border);
  transition: transform .2s cubic-bezier(.2,.8,.2,1),
              background-color .55s cubic-bezier(.4, 0, .2, 1),
              border-color .55s cubic-bezier(.4, 0, .2, 1),
              color .55s cubic-bezier(.4, 0, .2, 1),
              box-shadow .25s ease,
              filter .25s ease;
}

.btn svg { width: 17px; height: 17px; flex: none; }

.btn:hover {
  transform: translateY(-2px);
  background: var(--chip-hover);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
}

.btn.primary {
  color: var(--btn-solid-text);
  background: var(--accent);
  border-color: transparent;
}

.btn.primary:hover {
  background: var(--accent);
  filter: brightness(1.08);
}

.btn.bili {
  color: var(--btn-solid-text);
  background: #fb7299;
  border-color: transparent;
}

.btn.bili:hover {
  background: #fb7299;
  filter: brightness(1.08);
}

.btn.email {
  color: var(--btn-solid-text);
  background: #10b981;
  border-color: transparent;
}

.btn.email:hover {
  background: #10b981;
  filter: brightness(1.08);
}

.divider {
  height: 1px;
  margin: 34px 0 24px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  transition: background .55s cubic-bezier(.4, 0, .2, 1);
}

.section-title {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color .55s cubic-bezier(.4, 0, .2, 1);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

.work {
  display: block;
  padding: 16px 18px 14px;
  border-radius: 18px;
  text-decoration: none;
  background: var(--chip);
  border: 1px solid var(--glass-border);
  transition: transform .22s cubic-bezier(.2,.8,.2,1),
              background-color .55s cubic-bezier(.4, 0, .2, 1),
              border-color .55s cubic-bezier(.4, 0, .2, 1),
              box-shadow .55s cubic-bezier(.4, 0, .2, 1);
}

.work:hover {
  transform: translateY(-4px);
  background: var(--chip-hover);
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  box-shadow: 0 14px 32px rgba(0, 0, 0, .2);
}

.work-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.work-name {
  font-size: 15px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.work-arrow {
  margin-left: auto;
  color: var(--text-dim);
  font-size: 14px;
  transition: transform .22s ease, color .22s ease;
}

.work:hover .work-arrow { transform: translate(2px, -2px); color: var(--accent); }

.work-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .55s cubic-bezier(.4, 0, .2, 1);
}

.work-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-dim);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  transition: color .55s cubic-bezier(.4, 0, .2, 1);
}

.lang {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--lang, var(--accent));
  box-shadow: 0 0 8px var(--lang, var(--accent));
}

.footer {
  margin-top: 30px;
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  transition: color .55s cubic-bezier(.4, 0, .2, 1);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 22px;
  background: var(--overlay);
  backdrop-filter: blur(8px) saturate(150%);
  -webkit-backdrop-filter: blur(8px) saturate(150%);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease,
              visibility .3s ease,
              background-color .55s cubic-bezier(.4, 0, .2, 1);
}

.modal-overlay.open { opacity: 1; visibility: visible; }

.modal-card {
  position: relative;
  width: min(370px, 100%);
  padding: 34px 26px 26px;
  border-radius: 26px;
  text-align: center;
  background: var(--modal-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  transform: translateY(16px) scale(.95);
  transition: transform .38s cubic-bezier(.2,.8,.2,1),
              background-color .55s cubic-bezier(.4, 0, .2, 1),
              border-color .55s cubic-bezier(.4, 0, .2, 1);
}

.modal-overlay.open .modal-card { transform: none; }

.modal-close {
  position: absolute;
  top: 13px; right: 13px;
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-dim);
  background: transparent;
  transition: background-color .2s ease, color .2s ease, transform .25s ease;
}

.modal-close:hover {
  background: var(--chip);
  color: var(--text);
  transform: rotate(90deg);
}

.modal-close svg { width: 17px; height: 17px; }

.modal-avatar-ring {
  width: 92px; height: 92px;
  margin: 0 auto 18px;
  padding: 3px;
  border-radius: 50%;
  background: conic-gradient(from 180deg, #7c5cff, #22d3ee, #f472b6, #7c5cff);
  box-shadow: 0 10px 26px rgba(124, 92, 255, .32);
}

.modal-avatar {
  display: block;
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: #1a1d2b;
}

.modal-title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
}

.modal-sub {
  margin: 6px 0 18px;
  font-size: 13px;
  color: var(--text-dim);
  transition: color .55s cubic-bezier(.4, 0, .2, 1);
}

.email-row {
  padding: 13px 16px;
  border-radius: 14px;
  background: var(--chip);
  border: 1px solid var(--glass-border);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  letter-spacing: .3px;
  word-break: break-all;
  user-select: all;
  transition: background-color .55s cubic-bezier(.4, 0, .2, 1),
              border-color .55s cubic-bezier(.4, 0, .2, 1);
}

.modal-actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.modal-actions .btn { justify-content: center; width: 100%; }

.btn .icon-check { display: none; }
.btn.copied .icon-copy { display: none; }
.btn.copied .icon-check { display: block; }
.btn.email.copied { background: #10b981; filter: brightness(1.12); }
.btn.email.copied:hover { background: #10b981; }

.modal-alt {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
  transition: color .2s ease;
}

.modal-alt:hover { color: var(--accent); }

.modal-uid {
  display: block;
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--text-dim);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .4px;
  transition: color .55s cubic-bezier(.4, 0, .2, 1);
}

@media (max-width: 560px) {
  body { padding: 68px 14px 40px; }
  .card { padding: 30px 22px 28px; border-radius: 24px; }
  .avatar-ring { width: 98px; height: 98px; }
  .name { font-size: 23px; }
  .bio { font-size: 14px; }
  .theme-toggle { top: 16px; right: 16px; width: 44px; height: 44px; }
  .work-grid { grid-template-columns: 1fr; }
  .modal-card { padding: 30px 20px 22px; border-radius: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}