:root {
  color-scheme: dark;
  --bg: #0a0a16; --panel: #0f0f1a; --text: #e1e7ef; --muted: #909caf;
  --green: #00ff9d; --border: #252d3c; --red: #ff91b4;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.6; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { cursor: pointer; border: 1px solid #303b4b; border-radius: 6px; background: #161d29; color: #cbd4e1; padding: 8px 14px; min-height: 44px; transition: background .16s ease, border-color .16s ease, transform .16s ease; }
button:active, .bookmark:active { transform: scale(.98); transition-duration: .07s; }
button:disabled { opacity: .5; cursor: wait; }
.primary { background: var(--green); color: #08271d; border-color: var(--green); font-weight: 650; box-shadow: 0 3px 14px #42efb115; }
.danger { color: var(--red); }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; }
::selection { background: #277d60; color: white; }
.page { max-width: 1200px; width: 90%; margin: 32px auto; border: 1px solid #18312a; border-radius: 8px; background: var(--panel); box-shadow: 0 0 24px #00ff9d18; }
header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 40px; background: #050508; border-radius: 8px 8px 0 0; border-bottom: 2px solid var(--green); position: relative; }
header::after { content: ''; position: absolute; inset: auto 0 -2px; height: 2px; background: var(--green); box-shadow: 0 0 8px #00ff9d44; }
.logo { display: flex; align-items: center; gap: 12px; font: 700 27px/1.2 var(--mono); letter-spacing: -1px; color: var(--green); }
.logo-mark { font-size: 20px; color: #66b59b; border: 1px solid #2c5346; border-radius: 6px; padding: 5px 7px; letter-spacing: -2px; }
.logo-caption { color: var(--muted); font: 12px/1.4 -apple-system, BlinkMacSystemFont, sans-serif; letter-spacing: 1px; border-left: 1px solid #313a45; margin-left: 6px; padding-left: 18px; }
header nav { display: flex; gap: 24px; font-size: 13px; align-items: center; }
header nav a { display: flex; align-items: center; min-height: 44px; color: #b5c0d0; }
main { padding: 14px 16px 24px; }
.intro { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 14px; min-height: 32px; }
.eyebrow { color: #86a798; font: 10px/1.5 var(--mono); letter-spacing: 2px; margin-bottom: 7px; }
h1 { font-size: 23px; line-height: 1.4; letter-spacing: -.5px; margin: 0 0 5px; font-weight: 600; }
p { margin: 0; }
#summary, .muted { color: var(--muted); font-size: 12px; }
#summary { font-variant-numeric: tabular-nums; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; }
#add-link::before { content: '+ '; font-size: 17px; }
.search { display: flex; gap: 8px; align-items: center; position: relative; }
.search-symbol { position: absolute; left: 17px; top: 8px; font-size: 24px; color: var(--green); line-height: 30px; pointer-events: none; }
input, select, textarea { width: 100%; border: 1px solid #303b4b; background: #0a0e17; color: var(--text); border-radius: 6px; padding: 11px 12px; min-height: 44px; }
input::placeholder, textarea::placeholder { color: #8792a5; opacity: 1; }
textarea { resize: vertical; }
input[type=search] { flex: 1; min-width: 0; padding: 13px 58px 13px 45px; font-size: 14px; }
.search kbd { position: absolute; right: 90px; border: 1px solid #354052; color: #9aa8bb; font: 12px var(--mono); border-radius: 4px; padding: 2px 7px; pointer-events: none; }
#clear-search { background: transparent; font-size: 12px; }
.notice { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 7px 0 17px; font-size: 11px; color: var(--muted); min-height: 34px; }
.notice button { font-size: 11px; min-height: 34px; padding: 4px 0 4px 12px; margin-left: auto; background: transparent; border-color: transparent; }
.notice a { color: var(--green); }
#status.error, #form-error { color: var(--red); }
#tabs { display: flex; gap: 6px; border: 1px solid var(--border); border-bottom-color: var(--green); padding: 7px 7px 0; background: #0b1019; border-radius: 7px 7px 0 0; overflow: auto; scrollbar-width: thin; }
#tabs button { position: relative; white-space: nowrap; min-width: 88px; border-color: transparent; border-radius: 4px 4px 0 0; background: transparent; color: #9ca8b9; font-size: 13px; }
#tabs [aria-current=true] { color: var(--green); background: #0f1819; border-color: var(--green); border-bottom-color: transparent; }
#tabs [aria-current=true]::after { content: ''; position: absolute; height: 2px; background: var(--green); bottom: 0; left: 14px; right: 14px; }
#collections { border: 1px solid #00ff9d88; border-top: 0; border-radius: 0 0 7px 7px; padding: 0 20px; }
.category { padding: 16px 0; border-bottom: 1px solid #222b39; }
.category:last-child { border-bottom: 0; }
.category-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; min-height: 48px; padding-left: 14px; border-left: 3px solid var(--green); background: linear-gradient(90deg, #00ff9d0d, transparent 80%); }
.category h2 { font-size: 22px; text-shadow: 0 0 4px #00ff9d50; color: var(--green); margin: 0; font-weight: 600; }
.category h2::before { content: '> '; font-family: var(--mono); color: var(--green); }
.category-count { color: #98adab; font: 10px/1.6 var(--mono); padding: 1px 5px; border: 1px solid #2c423c; border-radius: 3px; font-variant-numeric: tabular-nums; }
.category-head button { margin-left: auto; font-size: 11px; padding: 2px 8px; min-height: 32px; background: transparent; border-color: transparent; color: #a1adc0; }
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(115px, 1fr)); gap: 8px; }
.bookmark { display: flex; align-items: center; min-width: 0; border: 1px solid #ff7eac4d; border-radius: 4px; background: linear-gradient(45deg, #141428, #0f0f1a); transition: background .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease; }
.bookmark>a { display: block; flex: 1; min-width: 0; padding: 11px 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; font-weight: 500; color: #ff7eac; text-align: center; transition: color .18s ease; }
.bookmark>button { flex: none; padding: 4px 8px; min-height: 42px; background: transparent; border: 0; border-left: 1px solid #57334966; border-radius: 0 4px 4px 0; color: #b49bab; font-size: 11px; }
.empty { padding: 45px 0; color: var(--muted); text-align: center; }
footer { display: flex; justify-content: space-between; align-items: center; gap: 18px; color: var(--muted); font-size: 11px; padding: 20px 32px; border-top: 1px solid var(--border); }
.footer-signature { font: 10px var(--mono); letter-spacing: 1px; color: #7eab9b; }
footer a { padding: 8px 0; }
dialog { color: var(--text); background: #111822; border: 1px solid #456557; border-radius: 14px; padding: 28px; width: min(520px, calc(100% - 32px)); max-height: calc(100dvh - 32px); overflow: auto; box-shadow: 0 30px 100px #0009; }
dialog[open] { animation: reveal .22s cubic-bezier(.2,.8,.2,1); }
dialog::backdrop { background: #03060bc9; backdrop-filter: blur(7px); }
dialog h2 { font-size: 21px; margin: 0 0 8px; color: var(--green); }
dialog label { display: block; margin: 15px 0 5px; font-size: 13px; }
dialog .form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 22px; }
#delete { margin-right: auto; }
#form-error { font-size: 14px; margin-top: 14px; }
#form-recovery { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 13px; margin-top: 12px; }
#form-recovery a { color: var(--green); }
.delete-confirmation { border: 1px solid #804054; border-radius: 6px; padding: 14px; margin-top: 16px; }
.delete-confirmation p { margin-bottom: 10px; }
.delete-confirmation button { margin-right: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.skip-link { position: absolute; left: 20px; top: -80px; padding: 8px 16px; background: var(--green); color: #08271d; z-index: 10; }
.skip-link:focus { top: 8px; }
@keyframes reveal { from { opacity: 0; transform: translateY(8px) scale(.985); } to { opacity: 1; transform: none; } }
/* Original neon feedback: hover illumination and a one-pass button sheen. */
.actions button, .primary { position: relative; overflow: hidden; background: linear-gradient(45deg, #00ff9d, #00cc7d); color: #050508; border-color: #00ff9d; font-weight: 650; box-shadow: 0 0 15px #00ff9d40; }
.actions button::after, .primary::after { content: ''; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 25%, #ffffff40 50%, transparent 75%); transform: translateX(-120%); transition: transform .45s ease; pointer-events: none; }
body:has(#admin-actions:not([hidden])) .link-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.bookmark:focus-within { border-color: var(--green); box-shadow: 0 0 10px #00ff9d55; }
html { scrollbar-color: #00cc7d #0a0a16; scrollbar-width: thin; }
@media (hover: hover) {
  .actions button:hover, .primary:hover { background: linear-gradient(45deg, #00ff9d, #00d987); color: #050508; border-color: #00ff9d; box-shadow: 0 0 24px #00ff9d70; }
  .actions button:hover::after, .primary:hover::after { transform: translateX(120%); }
}
@media (hover: hover) {
  button:hover { background: #233329; border-color: #4d8167; color: #e0f8ea; }

  a:hover { color: var(--green); }
  .bookmark:hover, .bookmark:focus-within { border-color: var(--green); background: #18182b; transform: translateY(-2px); box-shadow: 0 0 12px #00ff9d88; }
  .bookmark:hover>a, .bookmark:focus-within>a { color: var(--green); }
  .bookmark:active { transform: translateY(0) scale(.98); }
}
@media (max-width: 760px) {
  .page { width: calc(100% - 32px); margin: 16px auto; }
  header { padding: 18px 20px; } main { padding: 14px 16px; }
  .logo-caption { display: none; } header nav { gap: 16px; }
  .intro { align-items: flex-start; flex-direction: column; gap: 10px; }
  footer { padding: 18px 20px; flex-wrap: wrap; } .footer-signature { display: none; }
}
@media (max-width: 480px) {
  .page { width: 100%; margin: 0; border: 0; border-radius: 0; min-height: 100dvh; }
  header { padding: 13px 16px; border-radius: 0; gap: 12px; } header::after { left: 16px; }
  .logo { font-size: 23px; gap: 7px; } .logo-mark { font-size: 15px; padding: 4px 5px; }
  header nav { gap: 12px; font-size: 12px; } header nav a:first-child { display: none; }
  main { padding: 14px; } h1 { font-size: 22px; }
  .intro { margin-bottom: 18px; } .eyebrow { font-size: 9px; letter-spacing: 1.7px; }
  .actions { width: 100%; } .actions button { flex: 1; font-size: 12px; padding: 8px; }
  input[type=search] { font-size: 16px; padding-right: 12px; } .search kbd { display: none; }
  .notice { gap: 5px; font-size: 11px; margin-bottom: 12px; } .notice button { min-height: 44px; }
  #tabs { gap: 2px; padding: 5px 4px 0; } #tabs button { min-width: 0; flex: 1; padding: 8px 5px; font-size: 12px; }
  #collections { padding: 0 12px; } .category { padding: 18px 0; }
  .category-head { margin-bottom: 10px; padding-left: 9px; } .category h2 { font-size: 19px; }
  .category-head button { min-height: 44px; }
  .link-grid, body:has(#admin-actions:not([hidden])) .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .bookmark>a { padding: 11px 8px; font-size: 13px; min-height: 44px; }
  .bookmark>button { min-height: 44px; min-width: 44px; padding: 4px; }
  input, select, textarea { font-size: 16px; }
  dialog { margin: auto 0 0; width: 100%; max-width: none; border-radius: 18px 18px 0 0; padding: 23px 20px max(24px, env(safe-area-inset-bottom)); max-height: calc(100dvh - 16px); border-bottom: 0; }
  dialog .form-actions { position: sticky; bottom: -1px; background: #111822; padding: 12px 0; margin-top: 12px; }
  .form-actions button { font-size: 13px; } footer { font-size: 10px; padding: 12px 16px max(16px, env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } .bookmark:hover, .bookmark:focus-within, button:active, .bookmark:active { transform: none; } .actions button::after, .primary::after { display: none; } }
@media (prefers-reduced-transparency: reduce) { dialog::backdrop { backdrop-filter: none; background: #03060bf5; } }
@media (prefers-contrast: more) { :root { --muted: #c2ccda; --border: #657487; } .bookmark { border-color: #c07e9b; } .bookmark>a { color: #ffc0da; } }