@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-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}}}@layer theme{:root,:host{--font-sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier 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components;@layer utilities{.visible{visibility:visible}.start{inset-inline-start:var(--spacing)}.hidden{display:none}.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,)}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:#222;background:#f5f5f5;min-height:100vh;font-family:Arial,Helvetica,sans-serif}.home-page{max-width:480px;margin:0 auto;padding:32px 16px}.home-header{margin-bottom:32px}.home-title{letter-spacing:-.5px;font-size:28px;font-weight:800}.home-subtitle{color:#777;margin-top:4px;font-size:15px}.subject-grid{flex-direction:column;gap:12px;display:flex}.subject-card{color:inherit;background:#fff;border:2px solid;border-radius:12px;align-items:center;gap:14px;padding:16px;text-decoration:none;transition:transform .1s,box-shadow .1s;display:flex}.subject-card:active{transform:scale(.98)}.subject-card-dot{border-radius:50%;flex-shrink:0;width:14px;height:14px}.subject-name{font-size:18px;font-weight:700}.subject-meta{color:#888;margin-top:2px;font-size:13px}.subject-page{max-width:540px;margin:0 auto;padding:0 0 80px}.subject-header{z-index:10;background:#fff;border-bottom:2px solid #eee;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex;position:sticky;top:0}.back-link{white-space:nowrap;color:#666;font-size:14px;font-weight:600;text-decoration:none}.subject-title{font-size:18px;font-weight:800}.subject-year{color:#888;font-size:12px}.print-btn{cursor:pointer;white-space:nowrap;color:#666;background:#fff;border:1.5px solid #bbb;border-radius:20px;padding:6px 14px;font-size:13px;font-weight:600}.deck-wrapper{padding:16px}.topic-filter{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.topic-btn{color:#666;cursor:pointer;background:#fff;border:1.5px solid #bbb;border-radius:20px;padding:6px 14px;font-size:13px;font-weight:600;transition:all .15s}.topic-btn.active{color:#fff;background:#555;border-color:#555}.no-cards{text-align:center;color:#aaa;padding:40px}.deck-nav{justify-content:space-between;gap:12px;margin-top:20px;display:flex}.nav-btn{color:#555;cursor:pointer;background:#fff;border:2px solid #bbb;border-radius:10px;flex:1;padding:12px;font-size:15px;font-weight:700;transition:all .15s}.nav-btn:disabled{opacity:.3;cursor:default}.flash-card-wrapper{-webkit-user-select:none;user-select:none}.card-progress{color:#aaa;justify-content:space-between;margin-bottom:10px;font-size:12px;display:flex}.flip-container{perspective:1000px;cursor:pointer;min-height:calc(100svh - 230px);position:relative}.card-face{backface-visibility:hidden;background:#fff;border-top:5px solid;border-radius:14px;transition:transform .45s cubic-bezier(.4,0,.2,1);position:absolute;inset:0;box-shadow:0 2px 12px #0000001a}.card-front{justify-content:center;align-items:center;display:flex;transform:rotateY(0)}.card-back{overflow-y:auto;transform:rotateY(180deg)}.flip-container.flipped .card-front{transform:rotateY(-180deg)}.flip-container.flipped .card-back{transform:rotateY(0)}.card-front-inner{text-align:center;width:100%;padding:28px 24px}.card-hint{text-transform:uppercase;letter-spacing:1px;color:#bbb;margin-bottom:20px;font-size:11px}.card-question{color:#111;font-size:22px;font-weight:700;line-height:1.35}.card-front-footer{margin-top:28px}.btn-next-q{cursor:pointer;background:0 0;border:1.5px solid;border-radius:20px;padding:7px 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#ddd;padding-left:12px;font-size:15px;line-height:1.6}.example-row{align-items:center;gap:8px;display:flex}.example-box{text-align:center;border:1.5px solid #ddd;border-radius:8px;flex:1;padding:8px 10px}.example-box.example-to{border-width:2px}.example-name{font-size:13px;font-weight:700}.example-detail{color:#888;margin-top:2px;font-size:11px}.example-arrow{color:#ccc;flex-shrink:0;font-size:20px}.extras-links{border-top:1px solid #f0f0f0;flex-direction:column;gap:6px;margin-top:4px;padding-top:12px;display:flex}.extra-link{text-align:left;cursor:pointer;opacity:.6;background:0 0;border:none;padding:0;font-size:13px;font-weight:600;transition:opacity .15s}.extra-link:hover{opacity:1}.card-slider-outer{min-height:calc(100svh - 230px);position:relative;overflow-x:clip}.card-panel-main{width:100%;transition:transform .35s cubic-bezier(.4,0,.2,1);transform:translate(0)}.showing-extra .card-panel-main{transform:translate(-100%)}.card-panel-extra{width:100%;transition:transform .35s cubic-bezier(.4,0,.2,1);position:absolute;top:0;left:0;transform:translate(100%)}.showing-extra .card-panel-extra{transform:translate(0)}.extra-card{background:#fff;border-top:5px solid;border-radius:14px;flex-direction:column;gap:14px;min-height:calc(100svh - 230px);padding:20px;display:flex;overflow-y:auto;box-shadow:0 2px 12px #0000001a}.extra-back-btn{cursor:pointer;text-align:left;opacity:.7;background:0 0;border:none;padding:0;font-size:13px;font-weight:700}.extra-back-btn:hover{opacity:1}.extra-card-label{font-size:16px;font-weight:800}.extra-card-list{flex-direction:column;flex:1;gap:10px;list-style:none;display:flex}.extra-card-list li{color:#333;padding-left:14px;font-size:14px;line-height:1.5;position:relative}.extra-card-list li:before{content:"·";color:#aaa;font-weight:700;position:absolute;left:0}.extra-card-text{color:#333;font-size:15px;line-height:1.65}.print-all{display:none}@media print{.subject-header,.topic-filter,.card-progress,.flip-container,.deck-nav,.home-page{display:none!important}body{background:#fff}.print-all{grid-template-columns:repeat(2,1fr);gap:10mm;padding:8mm;display:grid!important}.print-card{page-break-inside:avoid;break-inside:avoid;border:1.5px solid #ccc;border-radius:6px;overflow:hidden}.print-card-header{color:#fff;text-transform:uppercase;letter-spacing:.5px;justify-content:space-between;align-items:center;padding:6px 10px;font-size:10px;font-weight:700;display:flex}.print-card-body{flex-direction:column;gap:10px;padding:10px;display:flex}.print-section{flex-direction:column;gap:4px;display:flex}.print-label{text-transform:uppercase;letter-spacing:1px;color:#aaa;font-size:8px;font-weight:700}.print-questions{color:#444;flex-direction:column;gap:2px;font-size:10px;list-style:none;display:flex}.print-questions li:before{content:"· ";color:#aaa}.print-keywords{flex-wrap:wrap;gap:4px;display:flex}.print-pill{border:1px solid;border-radius:10px;padding:2px 8px;font-size:9px;font-weight:700}.print-say-it{color:#333;border-left:2px solid #ddd;padding-left:6px;font-size:10px;line-height:1.5}.print-example-text{color:#555;font-size:10px}}@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}