[data-theme="dark"]{
  --bg:#1d1c1a; --surface-1:#27261f; --surface-2:#302f28;
  --text-primary:#ECEAE2; --text-secondary:#B4B2A9; --text-muted:#888780;
  --border:#3c3a32; --border-strong:#4c4a40;
  --accent:#5FA0E0; --accent-bg:#0C447C; --accent-text:#B5D4F4; --accent-border:#185FA5;
  --success-bg:#085041; --success-text:#9FE1CB;
  --warning-bg:#633806; --warning-text:#FAC775;
  --danger-bg:#791F1F; --danger-text:#F7C1C1;
}
[data-theme="sepia"]{
  --bg:#f4ecd8; --surface-1:#efe5cd; --surface-2:#fbf4e2;
  --text-primary:#41371d; --text-secondary:#6a5c3c; --text-muted:#8c7d54;
  --border:#e2d6b4; --border-strong:#cdbd91;
  --accent:#9a6a1c; --accent-bg:#efe0bd; --accent-text:#6a4810; --accent-border:#cbab68;
  --success-bg:#e3ecce; --success-text:#4c5a1f;
  --warning-bg:#f3e2bf; --warning-text:#7a5410;
  --danger-bg:#f2dccf; --danger-text:#8a3a1f;
}
[data-theme="contrast"]{
  --bg:#ffffff; --surface-1:#f4f4f4; --surface-2:#ffffff;
  --text-primary:#000000; --text-secondary:#161616; --text-muted:#3a3a3a;
  --border:#000000; --border-strong:#000000;
  --accent:#0a3d91; --accent-bg:#d9e6fb; --accent-text:#06245c; --accent-border:#0a3d91;
  --success-bg:#d6efe2; --success-text:#0b4a34;
  --warning-bg:#fbe7c2; --warning-text:#7a4f04;
  --danger-bg:#fbd9d9; --danger-text:#8a1313;
}
[data-theme="bau-blue"], [data-theme="aero-blue"]{
  --bg:#F5FBFF; --surface-1:#EAF5FF; --surface-2:#FFFFFF;
  --text-primary:#12324A; --text-secondary:#4F6D82; --text-muted:#8198A8;
  --border:#D9EAF6; --border-strong:#B8D3E7;
  --accent:#0B6EBD; --accent-bg:#DDF0FF; --accent-text:#074B83; --accent-border:#7CBDEC;
  --success-bg:#DDF7F0; --success-text:#0A6D5B;
  --warning-bg:#FFF1D6; --warning-text:#8A5A05;
  --danger-bg:#FFE6E2; --danger-text:#A43A2C;
  --c-lift:#13A88A; --c-weight:#E06A3A; --c-thrust:#2495E8; --c-drag:#DDA12B;
}
[data-theme="fresh"]{
  --bg:#FFFDF7; --surface-1:#EEF8F3; --surface-2:#FFFFFF;
  --text-primary:#152B36; --text-secondary:#53676F; --text-muted:#829096;
  --border:#DDECE5; --border-strong:#BFD9CF;
  --accent:#0E8F9E; --accent-bg:#DFF7F5; --accent-text:#075B63; --accent-border:#7ED6D1;
  --success-bg:#E4F8DE; --success-text:#247A33;
  --warning-bg:#FFF0C7; --warning-text:#8A5E00;
  --danger-bg:#FFE3DE; --danger-text:#B23B32;
  --c-lift:#28B463; --c-weight:#FF6B5A; --c-thrust:#2D7DF6; --c-drag:#F7B731;
}
[data-theme="blossom"]{
  --bg:#FFF9FB; --surface-1:#FDEEF4; --surface-2:#FFFFFF;
  --text-primary:#3A2230; --text-secondary:#7A5A69; --text-muted:#A98D9B;
  --border:#F4DCE7; --border-strong:#E5C0D3;
  --accent:#C74B77; --accent-bg:#FBDFEA; --accent-text:#8E2C53; --accent-border:#E795B6;
  --success-bg:#E3F6E9; --success-text:#237A4B;
  --warning-bg:#FFF0D2; --warning-text:#8A5C08;
  --danger-bg:#FFE3E6; --danger-text:#B23A4C;
  --c-lift:#2FA874; --c-weight:#E0596E; --c-thrust:#7B6CD9; --c-drag:#D9A02B;
}
[data-theme="nature"]{
  --bg:#F7FBF3; --surface-1:#EBF4E4; --surface-2:#FFFFFF;
  --text-primary:#21301C; --text-secondary:#56684E; --text-muted:#87977E;
  --border:#DDEAD2; --border-strong:#BFD6AE;
  --accent:#3E7C32; --accent-bg:#E2F2D9; --accent-text:#2B5A22; --accent-border:#8FC17F;
  --success-bg:#DFF3E0; --success-text:#1F6B45;
  --warning-bg:#F7EFC9; --warning-text:#7E6206;
  --danger-bg:#F8E2DB; --danger-text:#A6442E;
  --c-lift:#2E8B57; --c-weight:#C96A3B; --c-thrust:#3B7DBF; --c-drag:#B58B2A;
}
[data-theme="storm"]{
  --bg:#171B26; --surface-1:#1F2534; --surface-2:#272E40;
  --text-primary:#E8EBF4; --text-secondary:#AEB6CC; --text-muted:#7D8499;
  --border:#333B52; --border-strong:#434D6A;
  --accent:#7259E9; --accent-bg:#2E2A5E; --accent-text:#C9C2FA; --accent-border:#5D51B8;
  --success-bg:#0D4F44; --success-text:#96E2CC;
  --warning-bg:#5E4206; --warning-text:#F8CE7C;
  --danger-bg:#6E2230; --danger-text:#F5B9C4;
}
[data-theme="vortex"]{
  --bg:#F4FCFC; --surface-1:#E4F5F6; --surface-2:#FFFFFF;
  --text-primary:#123238; --text-secondary:#4C6B70; --text-muted:#7F989C;
  --border:#D2EAEB; --border-strong:#ADD6D9;
  --accent:#0F8B94; --accent-bg:#D9F3F4; --accent-text:#075E66; --accent-border:#6EC6CC;
  --success-bg:#DFF6EC; --success-text:#0D6B52;
  --warning-bg:#FFF0CF; --warning-text:#8A5D04;
  --danger-bg:#FDE3DF; --danger-text:#AC402F;
  --c-lift:#12A489; --c-weight:#E26A48; --c-thrust:#1F8FD6; --c-drag:#D0A22C;
}
[data-font="serif"]{--font:Georgia,"Iowan Old Style","Times New Roman",serif}
[data-font="mono"]{--font:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
[data-width="wide"] main{max-width:1320px}
*{box-sizing:border-box}
html{zoom:var(--personal-interface-zoom,1)}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text-primary);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased}
.skip-link{position:fixed;left:12px;top:12px;z-index:200;transform:translateY(-140%);background:var(--accent);color:#fff;text-decoration:none;border-radius:var(--radius);padding:9px 13px;font-weight:600;box-shadow:0 10px 28px rgba(0,0,0,.22)}
.skip-link:focus{transform:translateY(0);outline:3px solid var(--accent-bg);outline-offset:2px}
h1{font-size:24px;font-weight:600;margin:.4rem 0 .3rem;color:var(--text-primary)}
h2{font-size:18px;font-weight:600;margin:0;color:var(--text-primary)}
a{color:var(--accent)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.app{display:flex;min-height:100vh}