:root {
    --bg: #1E1F22; --panel: #2B2D30; --border: #393B40; --border-soft: #2E3033;
    --border-strong: #4E5157; --text: #BCBEC4; --text-soft: #9DA0A8; --muted: #7A7E85;
    --dim: #6F737A; --accent: #CF8E6D; --primary: #3574F0; --primary-soft: #96BBFF;
    --link: #548AF7; --purple: #C77DBB; --cyan: #299999; --amber: #F2C55C;
    --green: #6AAB73; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(53,116,240,0.16); --row-open-bg: rgba(53,116,240,0.07);
    --planned-border: rgba(242,197,92,0.35);
  }
  :root[data-theme="darcula"] {
    --bg: #2B2B2B; --panel: #3C3F41; --border: #4E5254; --border-soft: #383C3E;
    --border-strong: #5E6366; --text: #A9B7C6; --text-soft: #9DA6B0; --muted: #808A93;
    --dim: #6E787F; --accent: #CC7832; --primary: #365880; --primary-soft: #9CC1E8;
    --link: #589DF6; --purple: #9876AA; --cyan: #6897BB; --amber: #FFC66D;
    --green: #6A8759; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(54,88,128,0.35); --row-open-bg: rgba(54,88,128,0.18);
    --planned-border: rgba(255,198,109,0.35);
  }
  :root[data-theme="vscode-dark"] {
    --bg: #1E1E1E; --panel: #252526; --border: #3C3C3C; --border-soft: #2E2E2E;
    --border-strong: #4A4A4A; --text: #D4D4D4; --text-soft: #ABABAB; --muted: #858585;
    --dim: #6E6E6E; --accent: #CE9178; --primary: #0E639C; --primary-soft: #75BEFF;
    --link: #3794FF; --purple: #C586C0; --cyan: #4EC9B0; --amber: #DCDCAA;
    --green: #6A9955; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(14,99,156,0.3); --row-open-bg: rgba(14,99,156,0.15);
    --planned-border: rgba(220,220,170,0.35);
  }
  :root[data-theme="monokai"] {
    --bg: #272822; --panel: #2D2E27; --border: #3E3D32; --border-soft: #35362D;
    --border-strong: #49483E; --text: #F8F8F2; --text-soft: #CFCFC2; --muted: #90918B;
    --dim: #75715E; --accent: #A6E22E; --primary: #F92672; --primary-soft: #FF9BC2;
    --link: #66D9EF; --purple: #AE81FF; --cyan: #66D9EF; --amber: #E6DB74;
    --green: #A6E22E; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(249,38,114,0.18); --row-open-bg: rgba(249,38,114,0.08);
    --planned-border: rgba(230,219,116,0.35);
  }
  :root[data-theme="dracula"] {
    --bg: #282A36; --panel: #343746; --border: #44475A; --border-soft: #3A3D4E;
    --border-strong: #565A75; --text: #F8F8F2; --text-soft: #C3C7D1; --muted: #8E93A8;
    --dim: #6272A4; --accent: #FFB86C; --primary: #BD93F9; --primary-soft: #D6BCFF;
    --link: #8BE9FD; --purple: #FF79C6; --cyan: #8BE9FD; --amber: #F1FA8C;
    --green: #50FA7B; --btn-fg: #21222C;
    --chip-active-bg: rgba(189,147,249,0.2); --row-open-bg: rgba(189,147,249,0.09);
    --planned-border: rgba(241,250,140,0.35);
  }
  :root[data-theme="solarized-dark"] {
    --bg: #002B36; --panel: #073642; --border: #10485A; --border-soft: #073C4A;
    --border-strong: #1A586B; --text: #93A1A1; --text-soft: #839496; --muted: #657B83;
    --dim: #586E75; --accent: #CB4B16; --primary: #268BD2; --primary-soft: #7FBEE8;
    --link: #268BD2; --purple: #D33682; --cyan: #2AA198; --amber: #B58900;
    --green: #859900; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(38,139,210,0.18); --row-open-bg: rgba(38,139,210,0.08);
    --planned-border: rgba(181,137,0,0.4);
  }
  :root[data-theme="one-dark"] {
    --bg: #282C34; --panel: #21252B; --border: #3E4451; --border-soft: #333842;
    --border-strong: #4B5263; --text: #ABB2BF; --text-soft: #9CA3B0; --muted: #7F848E;
    --dim: #5C6370; --accent: #D19A66; --primary: #61AFEF; --primary-soft: #A8D3FF;
    --link: #61AFEF; --purple: #C678DD; --cyan: #56B6C2; --amber: #E5C07B;
    --green: #98C379; --btn-fg: #21252B;
    --chip-active-bg: rgba(97,175,239,0.18); --row-open-bg: rgba(97,175,239,0.08);
    --planned-border: rgba(229,192,123,0.4);
  }
  :root[data-theme="light"] {
    --bg: #FFFFFF; --panel: #F3F3F3; --border: #D4D4D4; --border-soft: #E5E5E5;
    --border-strong: #BFBFBF; --text: #333333; --text-soft: #555555; --muted: #6E6E6E;
    --dim: #8A8A8A; --accent: #A31515; --primary: #007ACC; --primary-soft: #005A9E;
    --link: #006AB1; --purple: #AF00DB; --cyan: #098658; --amber: #795E26;
    --green: #008000; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(0,122,204,0.12); --row-open-bg: rgba(0,122,204,0.06);
    --planned-border: rgba(121,94,38,0.4);
  }

  :root[data-theme="solarized-light"] {
    --bg: #FDF6E3; --panel: #EEE8D5; --border: #DCD6C3; --border-soft: #EFE9D6;
    --border-strong: #C9C3B0; --text: #586E75; --text-soft: #657B83; --muted: #839496;
    --dim: #93A1A1; --accent: #CB4B16; --primary: #268BD2; --primary-soft: #1A6398;
    --link: #268BD2; --purple: #D33682; --cyan: #2AA198; --amber: #B58900;
    --green: #859900; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(38,139,210,0.12); --row-open-bg: rgba(38,139,210,0.06);
    --planned-border: rgba(181,137,0,0.45);
  }
  :root[data-theme="github-light"] {
    --bg: #FFFFFF; --panel: #F6F8FA; --border: #D0D7DE; --border-soft: #EAEEF2;
    --border-strong: #AFB8C1; --text: #1F2328; --text-soft: #424A53; --muted: #57606A;
    --dim: #6E7781; --accent: #953800; --primary: #0969DA; --primary-soft: #0550AE;
    --link: #0969DA; --purple: #8250DF; --cyan: #1B7C83; --amber: #9A6700;
    --green: #1A7F37; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(9,105,218,0.1); --row-open-bg: rgba(9,105,218,0.05);
    --planned-border: rgba(154,103,0,0.4);
  }
  :root[data-theme="intellij-light"] {
    --bg: #FFFFFF; --panel: #F7F8FA; --border: #D3D5DB; --border-soft: #EBECF0;
    --border-strong: #C9CCD6; --text: #27282E; --text-soft: #494B57; --muted: #6C707E;
    --dim: #8C8E96; --accent: #B45C1B; --primary: #3574F0; --primary-soft: #2751A3;
    --link: #2470B3; --purple: #871094; --cyan: #00627A; --amber: #A46A1F;
    --green: #067D17; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(53,116,240,0.1); --row-open-bg: rgba(53,116,240,0.05);
    --planned-border: rgba(164,106,31,0.45);
  }
  :root[data-theme="one-light"] {
    --bg: #FAFAFA; --panel: #EAEAEB; --border: #DBDBDC; --border-soft: #E5E5E6;
    --border-strong: #C9C9CA; --text: #383A42; --text-soft: #4F525E; --muted: #696C77;
    --dim: #A0A1A7; --accent: #C18401; --primary: #4078F2; --primary-soft: #2A5CC8;
    --link: #4078F2; --purple: #A626A4; --cyan: #0184BC; --amber: #986801;
    --green: #50A14F; --btn-fg: #FFFFFF;
    --chip-active-bg: rgba(64,120,242,0.1); --row-open-bg: rgba(64,120,242,0.05);
    --planned-border: rgba(152,104,1,0.45);
  }

  * { box-sizing: border-box; }
  ::selection { background: var(--chip-active-bg); }
  * { scrollbar-color: var(--border-strong) var(--bg); }
  html { font-size: clamp(16px, 14.6px + 0.125vw, 19px); }
  body { margin: 0; background: var(--bg); color: var(--text); font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.875rem; line-height: 1.6; }
  a { color: var(--link); text-decoration: none; }
  a:hover { color: var(--purple); }
  input { font-family: inherit; }
  input::placeholder { color: var(--dim); }
  input:focus { border-color: var(--primary) !important; }
  button { font-family: inherit; }

  header { border-bottom: 1px solid var(--border); background: var(--panel); position: sticky; top: 0; z-index: 20; }
  .page { min-height: 100vh; display: flex; flex-direction: column; }
  .page > main { flex: 1; width: 100%; }
  .wrap { max-width: 66rem; margin: 0 auto; padding: 0 1.4rem; }
  @media (min-width: 1600px) { .wrap { max-width: 78rem; } }
  .bar { padding: 0.75rem 1.4rem; display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
  .brand { font-weight: 700; font-size: 0.9rem; color: var(--text); letter-spacing: 0.02em; }
  .brand .tick { color: var(--accent); }
  .brand .sub { color: var(--muted); font-weight: 400; }
  .searchbox { flex: 1 1 16rem; position: relative; display: flex; align-items: center; }
  .searchbox .glass { position: absolute; left: 0.7rem; color: var(--dim); font-size: 0.8rem; }
  .searchbox input { width: 100%; background: var(--bg); border: 1px solid var(--border-strong); border-radius: 6px; color: var(--text); font-size: 0.82rem; padding: 0.5rem 0.7rem 0.5rem 1.9rem; outline: none; min-height: 40px; }
  .btn-plain { font-size: 0.75rem; cursor: pointer; padding: 0.45rem 0.9rem; border: 1px solid var(--border-strong); border-radius: 6px; background: var(--bg); color: var(--text); min-height: 40px; }
  .btn-plain:hover { border-color: var(--muted); }
  select.btn-plain { appearance: none; -webkit-appearance: none; padding-right: 1.6rem; background-image: linear-gradient(45deg, transparent 50%, var(--dim) 50%), linear-gradient(135deg, var(--dim) 50%, transparent 50%); background-position: calc(100% - 0.9rem) 50%, calc(100% - 0.6rem) 50%; background-size: 0.3rem 0.3rem; background-repeat: no-repeat; }
  .gh { font-size: 0.75rem; color: var(--muted); }

  .hero { padding: 2rem 1.4rem 1.2rem; }
  .hero h1 { font-size: 1.2rem; font-weight: 700; margin: 0 0 0.4rem; color: var(--text); }
  .hero p { margin: 0; color: var(--muted); font-size: 0.85rem; max-width: 44rem; }
  .hero .hl { color: var(--accent); }
  a.hl:hover { color: var(--accent); text-decoration: underline; }

  .filters { padding: 0 1.4rem 1rem; display: flex; gap: 1.6rem; flex-wrap: wrap; align-items: flex-start; }
  .chipset { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; }
  .label { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); margin-right: 0.2rem; }
  .chip { font-size: 0.72rem; cursor: pointer; padding: 0.28rem 0.66rem; border-radius: 999px; min-height: 30px; border: 1px solid var(--border-strong); background: transparent; color: var(--text-soft); }
  .chip.on { border-color: var(--primary); background: var(--chip-active-bg); color: var(--primary-soft); }

  main { padding: 0 1.4rem 3rem; }
  :root { --col-skill: 15rem; --col-verified: 9.5rem; --col-area: 5.5rem; }
  .cols, .row-head { display: grid; grid-template-columns: minmax(0, var(--col-skill)) minmax(0, 1fr) var(--col-verified) var(--col-area) 13rem; gap: 1rem; }
  .cols > span { position: relative; }
  .grip { position: absolute; top: -0.4rem; bottom: -0.4rem; right: -0.65rem; width: 0.9rem; cursor: col-resize; }
  .grip::after { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--border); }
  .grip:hover::after { background: var(--primary); width: 2px; }
  .cols { padding: 0.4rem 0.9rem; border-bottom: 1px solid var(--border); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); }
  .row { border-bottom: 1px solid var(--border-soft); }
  .row-head { align-items: center; padding: 0.55rem 0.9rem; cursor: pointer; min-height: 48px; }
  .row-head.open { background: var(--row-open-bg); }
  .cell-name { display: flex; align-items: center; gap: 0.45rem; min-width: 0; }
  .caret { color: var(--dim); font-size: 0.7rem; width: 0.7rem; flex: none; }
  .sname { font-size: 0.82rem; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
  .sname.avail { color: var(--accent); }
  .blurb { color: var(--text-soft); font-size: 0.78rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .verified { color: var(--muted); font-size: 0.74rem; font-variant-numeric: tabular-nums; }
  .verified.has-date { color: var(--cyan); }
  .area { color: var(--purple); font-size: 0.72rem; }
  .cell-act { display: flex; justify-content: flex-end; gap: 0.4rem; }
  .btn-copy.prompt { border-color: var(--border-strong); background: transparent; color: var(--text); }
  .btn-copy.prompt:hover { border-color: var(--muted); }
  .btn-copy { font-size: 0.7rem; padding: 0.32rem 0.6rem; border-radius: 6px; min-height: 32px; min-width: 7.6rem; display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; cursor: pointer; border: 1px solid var(--primary); background: var(--primary); color: var(--btn-fg); }
  .btn-copy.done, .btn-big.done { background: var(--green); border-color: var(--green); color: var(--bg); }
  .btn-copy:disabled { cursor: default; border-color: var(--planned-border); background: transparent; color: var(--amber); }

  .detail { padding: 0.2rem 0.9rem 1.2rem 2.1rem; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 17rem); gap: 1.6rem; }
  .detail p { margin: 0 0 0.9rem; color: var(--text); font-size: 0.82rem; max-width: 42rem; }
  .detail pre { margin: 0 0 0.7rem; background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 0.65rem 0.85rem; font-size: 0.74rem; line-height: 1.7; color: var(--text); overflow-x: auto; }
  .detail-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
  .btn-big { font-size: 0.74rem; padding: 0.45rem 0.9rem; border-radius: 6px; min-height: 40px; min-width: 8.5rem; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; border: 1px solid var(--primary); background: var(--primary); color: var(--btn-fg); }
  .btn-big:disabled { cursor: default; border-color: var(--border); background: transparent; color: var(--dim); }
  .btn-big.prompt { background: var(--panel); border-color: var(--border-strong); color: var(--text); }
  .btn-big.prompt:hover { border-color: var(--muted); }
  .src-link { font-size: 0.74rem; padding: 0.45rem 0.9rem; border: 1px solid var(--border-strong); border-radius: 6px; background: var(--panel); color: var(--text); min-height: 40px; min-width: 8.5rem; display: inline-flex; align-items: center; justify-content: center; }
  .src-link:hover { border-color: var(--muted); color: var(--text); }
  .meta { font-size: 0.74rem; display: flex; flex-direction: column; gap: 0.9rem; padding-top: 0.2rem; }
  .meta .k { letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); margin-bottom: 0.2rem; }
  .meta .v { color: var(--text-soft); }
  .meta .mobile-only { display: none; }

  .countline { padding: 0.9rem 0.9rem 0; font-size: 0.74rem; color: var(--dim); display: flex; gap: 1.2rem; flex-wrap: wrap; }
  .countline .right { margin-left: auto; }

  footer { border-top: 1px solid var(--border); background: var(--panel); }
  .foot { padding: 0.9rem 1.4rem; display: flex; gap: 1.4rem; flex-wrap: wrap; font-size: 0.72rem; color: var(--muted); }
  .foot .right { margin-left: auto; }

  @media (max-width: 720px) {
    .cols, .row-head { grid-template-columns: minmax(0, 1fr) auto; }
    .grip { display: none; }
    .cols span:nth-child(2), .cols span:nth-child(3), .cols span:nth-child(4),
    .row-head .blurb, .row-head .verified, .row-head .area, .row-head .btn-copy.prompt { display: none; }
    .detail { grid-template-columns: minmax(0, 1fr); padding-left: 0.9rem; }
    .detail pre { white-space: pre-wrap; overflow-wrap: anywhere; }
    .meta .mobile-only { display: block; }
  }