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.track{height:10px;background:var(--sunk);border-radius:999px;overflow:hidden;display:flex}.hbar .track i{display:block;height:100%}.hbar .track i.solved{background:var(--good)}.hbar .track i.mastered{background:var(--accent)}.hbar .track i.acc{background:var(--pl)}.hbar .v{font:12.5px var(--f-mono);color:var(--muted);text-align:right}.auth-card{max-width:440px;margin:4vh auto 0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--rim),var(--shadow)}.auth-card .form{max-width:none}.auth-card .form>.btn.primary{width:100%;min-height:44px}.auth-card .phead h1{font-size:26px}.auth-mark{width:44px;height:44px;margin-bottom:6px}.form{display:flex;flex-direction:column;gap:14px;max-width:420px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-weight:600;font-size:14px}.field input,.field select{min-height:38px;padding:6px 12px;border:1px solid var(--line-strong);border-radius:10px;background:var(--card-strong);color:var(--ink);font-size:16px}.field input:focus,.field select:focus{border-color:var(--focus);outline:none;box-shadow:0 0 0 4px var(--focus)}@supports (color: color-mix(in lab,red,red)){.field input:focus,.field select:focus{box-shadow:0 0 0 4px color-mix(in srgb,var(--focus) 22%,transparent)}}.field .err{color:var(--bad);font-size:13.5px}.form .toggle{border-radius:var(--r);padding:11px 14px;align-items:flex-start;color:var(--ink);font-weight:400;white-space:normal}.form .toggle input{margin-top:3px}.form fieldset{border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}.formerr{color:var(--bad);background:var(--bad-bg);border-radius:var(--r);padding:10px 13px;font-size:14px}.mt{margin-top:14px}.between{justify-content:space-between}.case>.between{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}.measure{max-width:70ch}.narrow{max-width:860px}.grow{flex:1 1 auto;min-width:0}.right{margin-left:auto}.ok{color:var(--good)}}section[id],article[id]{scroll-margin-top:calc(var(--top-h) + 16px)}body.no-scroll{overflow:hidden}body.resizing{cursor:col-resize;-webkit-user-select:none;user-select:none}body.resizing-v{cursor:row-resize;-webkit-user-select:none;user-select:none}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}@property --tw-rotate-x{syntax: "*"; inherits: false;}@property --tw-rotate-y{syntax: "*"; inherits: false;}@property --tw-rotate-z{syntax: "*"; inherits: false;}@property --tw-skew-x{syntax: "*"; inherits: false;}@property --tw-skew-y{syntax: "*"; inherits: false;}@property --tw-border-style{syntax: "*"; inherits: false; initial-value: solid;}@property --tw-outline-style{syntax: "*"; inherits: false; initial-value: solid;}@property --tw-blur{syntax: "*"; inherits: false;}@property --tw-brightness{syntax: "*"; inherits: false;}@property --tw-contrast{syntax: "*"; inherits: false;}@property --tw-grayscale{syntax: "*"; inherits: false;}@property --tw-hue-rotate{syntax: "*"; inherits: false;}@property --tw-invert{syntax: "*"; inherits: false;}@property --tw-opacity{syntax: "*"; inherits: false;}@property --tw-saturate{syntax: "*"; inherits: false;}@property --tw-sepia{syntax: "*"; inherits: false;}@property --tw-drop-shadow{syntax: "*"; inherits: false;}@property --tw-drop-shadow-color{syntax: "*"; inherits: false;}@property --tw-drop-shadow-alpha{syntax: "<percentage>"; inherits: false; initial-value: 100%;}@property --tw-drop-shadow-size{syntax: "*"; inherits: false;}@layer properties{@supports ((-webkit-hyphens: none) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color:rgb(from red r g b)))){:root,:host{--p: 0}*,:before,:after,::backdrop{--tw-rotate-x: initial;--tw-rotate-y: initial;--tw-rotate-z: initial;--tw-skew-x: initial;--tw-skew-y: initial;--tw-border-style: solid;--tw-outline-style: solid;--tw-blur: initial;--tw-brightness: initial;--tw-contrast: initial;--tw-grayscale: initial;--tw-hue-rotate: initial;--tw-invert: initial;--tw-opacity: initial;--tw-saturate: initial;--tw-sepia: initial;--tw-drop-shadow: initial;--tw-drop-shadow-color: initial;--tw-drop-shadow-alpha: 100%;--tw-drop-shadow-size: initial}}}