.tool-card{position:relative;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-lg);overflow:hidden;display:flex;flex-direction:column;gap:var(--spacing-md);cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-sm)}.tool-card:hover{border-color:var(--card-accent);transform:translateY(-2px);box-shadow:var(--shadow-md);background:var(--color-surface-hover)}.tool-card-icon{font-size:2.5rem;color:var(--card-accent);background:#ffffff08;width:60px;height:60px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.05)}.tool-card-title{font-size:1.5rem;font-weight:700;margin-bottom:var(--spacing-xs);color:var(--color-text);letter-spacing:-.02em}.tool-card-description{color:var(--color-text-muted);font-size:.95rem;line-height:1.6;flex-grow:1}.tool-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--card-accent);opacity:0;transition:opacity .2s ease}.tool-card:hover:before{opacity:1}.tool-card-glow{display:none}.home-page{padding-bottom:var(--spacing-xl)}.hero-section{padding:8rem 1rem;text-align:center;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px;background-position:center top}.hero-title{font-size:4rem;font-weight:800;margin-bottom:var(--spacing-md);letter-spacing:-.04em;line-height:1.1}.text-gradient{background:linear-gradient(90deg,var(--color-highlight) 0%,var(--color-accent) 50%,var(--color-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:1.5rem;color:var(--color-text-muted);max-width:700px;margin:0 auto;font-weight:400}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-xl)}@media(max-width:768px){.hero-title{font-size:2.5rem}.hero-section{padding:4rem 1rem}}.gender-learner{max-width:800px;margin:0 auto;padding:var(--spacing-lg) var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-xl)}.noun-input{width:100%;max-width:400px;padding:var(--spacing-md);font-size:1.5rem;border:2px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text);text-align:center;transition:border-color .2s ease}.noun-input:focus{outline:none;border-color:var(--color-primary)}.gender-buttons{display:flex;gap:var(--spacing-md);flex-wrap:wrap;justify-content:center}.btn-gender{min-width:100px;font-size:1.1rem;border:2px solid transparent;color:#fff}.btn-masculine{background-color:var(--color-primary)}.btn-feminine{background-color:var(--color-highlight)}.btn-neuter{background-color:#10b981}.btn-analyze{background-color:var(--color-surface-hover);color:var(--color-text);border:1px solid var(--color-border);margin-top:var(--spacing-sm)}.btn-gender:hover{transform:translateY(-2px);filter:brightness(1.1)}.flashcard-container{perspective:1000px;margin:0 auto;width:100%;max-width:500px}.flashcard{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--spacing-xl);text-align:center;box-shadow:var(--shadow-lg);border:2px solid transparent;position:relative;overflow:hidden}.flashcard.masculine{border-color:var(--color-primary);background:linear-gradient(145deg,rgba(41,50,225,.1),transparent)}.flashcard.feminine{border-color:var(--color-highlight);background:linear-gradient(145deg,rgba(221,0,0,.1),transparent)}.flashcard.neuter{border-color:#10b981;background:linear-gradient(145deg,rgba(16,185,129,.1),transparent)}.flashcard-article{font-size:1.5rem;font-weight:600;margin-bottom:var(--spacing-xs);text-transform:uppercase;letter-spacing:.1em}.masculine .flashcard-article{color:var(--color-primary)}.feminine .flashcard-article{color:var(--color-highlight)}.neuter .flashcard-article{color:#10b981}.flashcard-noun{font-size:3.5rem;font-weight:800;margin-bottom:var(--spacing-sm);color:var(--color-text)}.flashcard-english{font-size:1.2rem;color:var(--color-text-muted);margin-bottom:var(--spacing-md)}.btn-audio{font-size:1.5rem;padding:var(--spacing-sm);border-radius:50%;background:#ffffff1a;transition:background .2s}.btn-audio:hover{background:#fff3}.analysis-section{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--spacing-lg);border:1px solid var(--color-border)}.analysis-table{width:100%;border-collapse:collapse;margin-top:var(--spacing-md)}.analysis-table th,.analysis-table td{padding:var(--spacing-sm);text-align:left;border-bottom:1px solid var(--color-border)}.analysis-table th{color:var(--color-text-muted);font-weight:600;font-size:.9rem;text-transform:uppercase}.confidence-high{color:#10b981}.confidence-medium{color:var(--color-accent)}.confidence-low{color:var(--color-highlight)}.generated-image-section{margin-top:var(--spacing-lg);text-align:center}.generated-image{max-width:100%;border-radius:var(--radius-md);margin-top:var(--spacing-md);box-shadow:var(--shadow-md)}.case-analyzer{max-width:800px;margin:0 auto;padding:var(--spacing-lg) var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-xl)}.input-section{display:flex;flex-direction:column;gap:var(--spacing-md);align-items:center}.sentence-input{width:100%;max-width:600px;padding:var(--spacing-md);font-size:1.2rem;border:2px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text);resize:none;min-height:100px;font-family:inherit}.sentence-input:focus{outline:none;border-color:var(--color-primary)}.word-count{align-self:flex-end;font-size:.9rem;color:var(--color-text-muted);margin-right:calc(50% - 300px)}.result-section{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border);margin-top:var(--spacing-lg)}.corrected-sentence{font-size:2rem;line-height:1.6;text-align:center}.word-token{position:relative;padding:.1em .2em;border-radius:4px;cursor:help;transition:all .2s ease;display:inline-block;margin:0 .1em}.case-nom{background-color:pink;color:#333}.case-acc{background-color:#ffd8a8;color:#333}.case-dat{background-color:#add8e6;color:#333}.case-gen{background-color:#e6e6fa;color:#333}.is-plural{text-decoration:underline;text-decoration-thickness:3px;text-decoration-style:solid}.word-token .tooltip{visibility:hidden;width:200px;background-color:#333;color:#fff;text-align:center;border-radius:6px;padding:10px;position:absolute;z-index:10;bottom:125%;left:50%;margin-left:-100px;opacity:0;transition:opacity .3s;font-size:.9rem;pointer-events:none;box-shadow:0 4px 6px #0000004d}.word-token .tooltip:after{content:"";position:absolute;top:100%;left:50%;margin-left:-5px;border-width:5px;border-style:solid;border-color:#333 transparent transparent transparent}.word-token:hover .tooltip{visibility:visible;opacity:1}.legend{display:flex;flex-wrap:wrap;gap:var(--spacing-md);justify-content:center;margin-top:var(--spacing-xl);padding-top:var(--spacing-md);border-top:1px solid var(--color-border)}.legend-item{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.9rem;color:var(--color-text-muted)}.legend-color{width:16px;height:16px;border-radius:4px}.advance-learner{max-width:800px;margin:0 auto;padding:var(--spacing-lg) var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-xl);min-height:60vh}.content-wrapper{display:flex;justify-content:center;align-items:center;flex-grow:1}.auth-card,.premium-gate-card{background:var(--color-surface);padding:var(--spacing-xl);border-radius:var(--radius-lg);border:1px solid var(--color-border);text-align:center;max-width:500px;width:100%;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:var(--spacing-md);align-items:center}.user-avatar{width:64px;height:64px;border-radius:50%;border:2px solid var(--color-primary);margin-bottom:var(--spacing-sm)}.premium-features{text-align:left;list-style:none;padding:0;margin:var(--spacing-md) 0}.premium-features li{margin-bottom:var(--spacing-sm);font-size:1.1rem}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:1.2rem;width:100%}.btn-link{background:none;border:none;color:var(--color-primary);text-decoration:underline;cursor:pointer;padding:0}.text-small{font-size:.9rem;color:var(--color-text-muted)}:root{--color-bg: #121212;--color-surface: #1E1E1E;--color-surface-hover: #2C2C2C;--color-primary: #2932E1;--color-primary-hover: #1a22b8;--color-accent: #FFCE00;--color-highlight: #DD0000;--color-text: #FFFFFF;--color-text-muted: #B0B0B0;--color-border: #333333;--font-sans: "ClanWebPro", "Inter", system-ui, -apple-system, sans-serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-sm: 2px;--radius-md: 4px;--radius-lg: 8px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4);--shadow-glow: 0 0 15px rgba(41, 50, 225, .3)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;display:flex;flex-direction:column}#root{width:100%;min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.text-center{text-align:center}.text-primary{color:var(--color-primary)}.text-accent{color:var(--color-accent)}.text-highlight{color:var(--color-highlight)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;transition:all .2s ease}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover);box-shadow:var(--shadow-glow);transform:translateY(-1px)}