@import "https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap";
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,: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-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}}}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.static{position:static}.sticky{position:sticky}.isolate{isolation:isolate}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.border{border-style:var(--tw-border-style);border-width:1px}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,ease);transition-duration:var(--tw-duration,0s)}:root{--bg:#0a0a0a;--bg-panel:#111;--bg-card:#161616;--border:#2a2a2a;--amber:#f59e0b;--amber-dim:#92400e;--green:#10b981;--red:#ef4444;--text:#e5e5e5;--text-muted:#6b7280;--mono:"IBM Plex Mono", monospace;--sans:"IBM Plex Sans", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--sans);min-height:100vh}body:before{content:"";pointer-events:none;z-index:9999;background:repeating-linear-gradient(0deg,#0000,#0000 2px,#00000008 2px 4px);position:fixed;inset:0}.mono{font-family:var(--mono)}.progress-bar{background:var(--border);height:2px;position:relative;overflow:hidden}.progress-bar-fill{background:var(--amber);height:100%;transition:width .4s}.flip-card{perspective:1000px;cursor:pointer}.flip-card-inner{transform-style:preserve-3d;width:100%;height:100%;transition:transform .5s cubic-bezier(.4,0,.2,1);position:relative}.flip-card.flipped .flip-card-inner{transform:rotateY(180deg)}.flip-card-front,.flip-card-back{backface-visibility:hidden}.flip-card-back{transform:rotateY(180deg)}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:.3s forwards fadeUp}.quiz-option{border:1px solid var(--border);background:var(--bg-card);cursor:pointer;transition:border-color .15s,background .15s}.quiz-option:hover:not(.disabled){border-color:var(--amber);background:#1a1500}.quiz-option.correct{border-color:var(--green)!important;background:#052e1c!important}.quiz-option.wrong{border-color:var(--red)!important;background:#1f0707!important}.quiz-option.disabled{cursor:default}@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-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}