:root{--primary: #5CA490;--primary-dark: #4A8B73;--primary-light: #7DBBA3;--success: #059669;--success-light: #34d399;--danger: #dc2626;--danger-light: #f87171;--warning: #d97706;--warning-light: #fbbf24;--background: #ffffff;--surface: #ffffff;--surface-hover: #f1f5f9;--text: #1e293b;--text-light: #64748b;--text-lighter: #94a3b8;--border: #e2e8f0;--border-hover: #cbd5e1;--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);--gradient-success: linear-gradient(135deg, var(--success) 0%, var(--success-light) 100%);--gradient-danger: linear-gradient(135deg, var(--danger) 0%, var(--danger-light) 100%);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow-x:hidden}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--background);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;display:flex;flex-direction:column}#root{height:100%;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md);letter-spacing:-.025em}h1{font-size:2.5rem;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:var(--spacing-lg)}h2{font-size:2rem;color:var(--text)}h3{font-size:1.5rem;color:var(--text)}h4{font-size:1.25rem;color:var(--text)}p{margin-bottom:var(--spacing-md);color:var(--text-light)}button{font-family:inherit;font-size:1rem;font-weight:600;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-normal);position:relative;overflow:hidden}button:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:#ffffff1a;transform:translate(-100%);transition:transform var(--transition-normal)}button:hover:after{transform:translate(0)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-success{background:var(--gradient-success);color:#fff;box-shadow:var(--shadow-md)}.btn-danger{background:var(--gradient-danger);color:#fff;box-shadow:var(--shadow-md)}.container{max-width:1200px;margin:0 auto;padding:var(--spacing-lg);width:100%}.card{background-color:var(--surface);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-md);transition:all var(--transition-normal);border:1px solid var(--border)}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--border-hover)}.text-center{text-align:center}.mt-1{margin-top:var(--spacing-sm)}.mt-2{margin-top:var(--spacing-md)}.mt-3{margin-top:var(--spacing-lg)}.mt-4{margin-top:var(--spacing-xl)}.mt-5{margin-top:var(--spacing-2xl)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn var(--transition-normal) ease-out}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-md)}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.25rem}.container{padding:var(--spacing-md)}.card{padding:var(--spacing-lg)}}.geoscale-game{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:900px;padding:var(--spacing-lg);animation:fadeIn var(--transition-normal) ease-out}.game-header{text-align:center;margin-bottom:var(--spacing-2xl)}.game-header h1{margin-bottom:var(--spacing-sm);font-size:1.8rem}.game-header h2{color:var(--text-light);font-weight:400;max-width:600px;margin:0 auto;font-size:1rem}.game-controls{display:flex;justify-content:center;gap:var(--spacing-md);margin-bottom:var(--spacing-2xl)}.game-controls button{min-width:140px}.rules-btn{position:fixed;top:48px;right:0;width:48px;height:48px;border-radius:50%;background:var(--surface);color:var(--text);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:all var(--transition-normal);box-shadow:var(--shadow-md);z-index:90}.rules-btn:hover{background:var(--surface-hover);transform:scale(1.05);box-shadow:var(--shadow-lg)}.rules-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--background);padding:var(--spacing-2xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);z-index:1000;max-width:500px;width:90%;animation:fadeIn var(--transition-normal) ease-out;border:1px solid var(--border)}.rules-modal h3{color:var(--primary);margin-bottom:var(--spacing-lg);font-size:1.5rem}.rules-modal p{color:var(--text-light);margin-bottom:var(--spacing-md);line-height:1.7}.rules-modal button{position:absolute;top:var(--spacing-md);right:var(--spacing-md);background:none;border:none;color:var(--text-light);font-size:1.5rem;cursor:pointer;transition:all var(--transition-normal)}.rules-modal button:hover{color:var(--text)}.game-container,.game-over{background:var(--surface);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border);transition:all var(--transition-normal);height:80vh;width:900px;display:flex;flex-direction:column;justify-content:center;align-items:center}.game-container h1{margin-bottom:var(--spacing-md);color:var(--primary)}.game-container h2{margin-bottom:var(--spacing-xl);color:var(--text-light)}.game-container .commencer-btn,.game-over button{min-width:200px;font-size:1.2rem;padding:var(--spacing-md) var(--spacing-xl);background:var(--primary);color:#fff}.game-container .commencer-btn:hover,.game-over button:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.game-container:hover{box-shadow:var(--shadow-xl)}.score-display{display:flex;justify-content:center;align-items:center;gap:var(--spacing-2xl);margin-bottom:var(--spacing-2xl);font-size:1.25rem;color:var(--text-light);font-weight:500}.score-item{display:flex;align-items:center;gap:var(--spacing-sm)}.score-item span{color:var(--primary);font-weight:600}.countries-display{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-lg);width:100%}.country{background:var(--background);border-radius:var(--radius-md);padding:var(--spacing-md);box-shadow:var(--shadow-md);transition:all var(--transition-normal);border:1px solid var(--border);position:relative;overflow:hidden;width:100%;display:flex;flex-direction:column;align-items:center;text-align:center}.country:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:var(--gradient-primary);opacity:0;transition:opacity var(--transition-normal);z-index:0}.country:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}.country:hover:before{opacity:.05}.country img{width:100%;height:120px;object-fit:contain;border-radius:var(--radius-sm);margin-bottom:var(--spacing-xs);transition:all var(--transition-normal)}.country:hover img{transform:scale(1.02)}.country h3{color:var(--text);margin-bottom:var(--spacing-xs);font-size:1rem;position:relative;text-align:center;width:100%}.country p{color:var(--text-light);position:relative;font-size:.9rem;margin:0;text-align:center;width:100%}.buttons{display:flex;justify-content:center;gap:var(--spacing-lg)}.buttons button{min-width:160px;font-size:1.1rem;padding:var(--spacing-md) var(--spacing-xl);transition:all var(--transition-normal);border-radius:var(--radius-md);font-weight:600}.buttons button:first-child{background:var(--danger);color:#fff}.buttons button:last-child{background:var(--success);color:#fff}.buttons button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.game-over h2{color:var(--primary);margin-bottom:var(--spacing-lg);font-size:2rem}.game-over p{color:var(--text-light);margin-bottom:var(--spacing-xl);font-size:1.1rem}@media (max-width: 1024px){.geoscale-game{width:95%;max-width:900px;padding:var(--spacing-md)}.game-container,.game-over{width:100%;height:auto;min-height:70vh;padding:var(--spacing-md)}.countries-display{grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.country img{height:100px}}@media (max-width: 768px){.geoscale-game{padding:var(--spacing-sm);width:100%}.game-header{margin-bottom:var(--spacing-lg)}.game-header h1{font-size:1.5rem;margin-bottom:var(--spacing-xs)}.game-header h2{font-size:.9rem}.game-controls{flex-wrap:wrap;gap:var(--spacing-xs)}.game-controls button{min-width:100px;font-size:.85rem;padding:var(--spacing-sm) var(--spacing-md)}.countries-display{grid-template-columns:1fr;gap:var(--spacing-sm);max-height:60vh;overflow-y:auto;padding-right:var(--spacing-xs)}.buttons{flex-direction:column;gap:var(--spacing-sm);width:100%}.buttons button{width:100%;font-size:.9rem;padding:var(--spacing-sm) var(--spacing-md)}.rules-btn{top:var(--spacing-sm);right:var(--spacing-sm);width:36px;height:36px;font-size:.9rem}.rules-modal{padding:var(--spacing-lg);width:95%}.game-container,.country{padding:var(--spacing-sm)}.country img{height:90px}.score-display{flex-direction:row;gap:var(--spacing-xl);font-size:1.1rem;margin-bottom:var(--spacing-lg)}}@media (max-width: 480px){.geoscale-game{padding:var(--spacing-xs)}.game-header{margin-bottom:var(--spacing-md)}.game-header h1{font-size:1.3rem;margin-bottom:var(--spacing-xs)}.game-header h2{font-size:.8rem}.game-controls button{min-width:90px;font-size:.8rem;padding:var(--spacing-xs) var(--spacing-sm)}.countries-display{max-height:50vh}.country{padding:var(--spacing-xs)}.country img{height:80px}.country h3{font-size:.9rem}.country p{font-size:.75rem}.rules-modal{padding:var(--spacing-md)}.rules-modal h3{font-size:1.1rem;margin-bottom:var(--spacing-md)}.rules-modal p{font-size:.8rem;margin-bottom:var(--spacing-sm)}.score-display{gap:var(--spacing-lg);font-size:.9rem;margin-bottom:var(--spacing-md)}.score-item{gap:var(--spacing-xs)}.buttons button{font-size:.85rem;padding:var(--spacing-xs) var(--spacing-sm)}}body.dark-mode .rules-btn{background:var(--surface);color:var(--text);border-color:var(--border)}body.dark-mode .rules-btn:hover{background:#5ca4901a;border-color:var(--primary)}body.dark-mode .rules-modal{background:var(--surface);border-color:var(--border)}body.dark-mode .rules-modal h3{color:var(--primary)}body.dark-mode .rules-modal p{color:var(--text-light)}body.dark-mode .rules-modal button{color:var(--text-lighter)}body.dark-mode .rules-modal button:hover{color:var(--text-light)}.home-page{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:var(--spacing-lg);animation:fadeIn var(--transition-normal) ease-out;box-sizing:border-box}.mascot{width:min(300px,40vh);height:min(300px,40vh);margin-bottom:var(--spacing-lg);animation:float 6s ease-in-out infinite}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-20px)}to{transform:translateY(0)}}.mascot img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 10px 20px rgba(0,0,0,.1))}.game-title{font-size:clamp(2.5rem,6vh,4.5rem);font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:var(--spacing-lg);text-align:center;text-shadow:var(--shadow-sm)}.game-selection{display:flex;gap:var(--spacing-md);align-items:center;flex-wrap:wrap;justify-content:center;width:100%;max-width:600px}.game-select{padding:var(--spacing-md) var(--spacing-2xl);padding-left:var(--spacing-md);font-size:clamp(.9rem,2vh,1.1rem);border:2px solid var(--primary);border-radius:var(--radius-md);background-color:var(--surface);color:var(--text-color);cursor:pointer;transition:all .3s ease;width:100%;max-width:300px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235CA490' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:40px}.game-select:hover{border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.play-button{padding:var(--spacing-md) var(--spacing-2xl);font-size:clamp(1rem,2vh,1.2rem);font-weight:600;background:var(--gradient-primary);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);text-transform:uppercase;letter-spacing:1px;display:flex;align-items:center;justify-content:center;min-width:120px;width:100%;max-width:300px}.play-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.play-button:active{transform:translateY(0)}body.dark-mode .game-select{background-color:var(--surface);border-color:var(--primary);color:var(--text)}body.dark-mode .game-select:hover{border-color:var(--primary-light)}@media screen and (max-width: 768px){.home-page{padding:var(--spacing-md)}.mascot{width:min(250px,35vh);height:min(250px,35vh);margin-bottom:var(--spacing-md)}.game-title{font-size:clamp(2.2rem,5vh,4rem);margin-bottom:var(--spacing-md)}.game-selection{gap:var(--spacing-sm)}}@media screen and (max-width: 480px){.home-page{padding:var(--spacing-sm)}.mascot{width:min(200px,30vh);height:min(200px,30vh);margin-bottom:var(--spacing-sm)}.game-title{font-size:clamp(2rem,4vh,3.5rem);margin-bottom:var(--spacing-sm)}.game-selection{flex-direction:column;gap:var(--spacing-sm)}.game-select,.play-button{max-width:100%}}.header{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.5rem;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .3s ease}.header-left{display:flex;align-items:center;gap:1.5rem}.logo{height:45px;width:auto;transition:transform .3s ease}.logo:hover{transform:scale(1.05)}.header-left h1{margin:0;font-size:1.5rem;color:#333;font-weight:600}.header-right{display:flex;align-items:center;gap:1.5rem}.language-selector{position:relative}.language-button{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border:1px solid rgba(0,0,0,.1);background:#ffffff80;border-radius:20px;cursor:pointer;transition:all .3s ease;font-weight:500}.language-button:hover{background-color:#0000000d}.language-icon{width:18px;height:18px;stroke:currentColor}.current-language{font-size:.9rem}.language-dropdown{position:absolute;top:100%;right:0;margin-top:.5rem;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;box-shadow:0 4px 12px #0000001a;overflow:hidden;animation:slideDown .2s ease;min-width:140px}.language-dropdown button{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;border:none;background:none;text-align:left;cursor:pointer;transition:all .2s ease;color:inherit}.language-dropdown button:hover{background-color:#0000000d}.language-dropdown button.active{background-color:#5ca4901a;color:var(--primary)}.flag-icon{width:24px;height:16px;object-fit:cover;border-radius:2px;box-shadow:0 1px 2px #0000001a}.theme-toggle{position:relative;width:48px;height:24px;border:none;background:none;padding:0;cursor:pointer}.theme-toggle-track{position:relative;width:100%;height:100%;background:#0000001a;border-radius:12px;transition:all .3s ease}.theme-toggle-thumb{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:all .3s ease;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #0000001a}.theme-toggle.dark .theme-toggle-thumb{transform:translate(24px);background:#1a1a1a}.theme-toggle .sun-icon,.theme-toggle .moon-icon{width:14px;height:14px;position:absolute;transition:all .3s ease}.theme-toggle .sun-icon{opacity:1;transform:scale(1)}.theme-toggle .moon-icon,.theme-toggle.dark .sun-icon{opacity:0;transform:scale(0)}.theme-toggle.dark .moon-icon{opacity:1;transform:scale(1)}.theme-toggle:hover .theme-toggle-track{background:#00000026}.theme-toggle.dark:hover .theme-toggle-track{background:#ffffff26}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}body.dark-mode .header{background-color:transparent;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}body.dark-mode .header-left h1{color:#fff}body.dark-mode .language-button{border-color:#ffffff1a;background:#ffffff1a;color:#fff}body.dark-mode .language-button:hover{background-color:#ffffff26}body.dark-mode .language-dropdown{background:#1a1a1af2;box-shadow:0 4px 12px #0003}body.dark-mode .language-dropdown button{color:#fff}body.dark-mode .language-dropdown button:hover{background-color:#ffffff1a}body.dark-mode .language-dropdown button.active{background-color:#5ca49033;color:var(--primary-light)}body.dark-mode .theme-toggle{background:#ffffff1a;border-color:#ffffff1a;color:#fff}body.dark-mode .theme-toggle:hover{background-color:#ffffff26}.game-selector{position:relative}.game-button{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border:1px solid rgba(0,0,0,.1);background:#ffffff80;border-radius:20px;cursor:pointer;transition:all .3s ease;font-weight:500}.game-button:hover{background-color:#0000000d}.game-icon{width:18px;height:18px;stroke:currentColor}.current-game{font-size:.9rem}.game-dropdown{position:absolute;top:100%;left:0;margin-top:.5rem;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;box-shadow:0 4px 12px #0000001a;overflow:hidden;animation:slideDown .2s ease;min-width:160px}.game-dropdown button{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;border:none;background:none;text-align:left;cursor:pointer;transition:all .2s ease;color:inherit}.game-dropdown button:hover{background-color:#0000000d}.game-dropdown button.active{background-color:#5ca4901a;color:var(--primary)}body.dark-mode .game-button{border-color:#ffffff1a;background:#ffffff1a;color:#fff}body.dark-mode .game-button:hover{background-color:#ffffff26}body.dark-mode .game-dropdown{background:#1a1a1af2;box-shadow:0 4px 12px #0003}body.dark-mode .game-dropdown button{color:#fff}body.dark-mode .game-dropdown button:hover{background-color:#ffffff1a}body.dark-mode .game-dropdown button.active{background-color:#5ca49033;color:var(--primary-light)}@media screen and (max-width: 768px){.header{padding:.5rem 1rem}.header-left h1{font-size:1.2rem}.logo{height:35px}.header-left,.header-right{gap:1rem}.language-button,.game-button{padding:.4rem .6rem}.current-language,.current-game{display:none}.language-dropdown,.game-dropdown{min-width:120px}}@media screen and (max-width: 480px){.header{padding:.5rem}.header-left h1{font-size:1rem}.logo{height:30px}.header-left,.header-right{gap:.75rem}.theme-toggle{width:40px;height:20px}.theme-toggle-thumb{width:16px;height:16px}.theme-toggle.dark .theme-toggle-thumb{transform:translate(20px)}}@media screen and (max-width: 768px){body.dark-mode .language-button,body.dark-mode .game-button{padding:.4rem}}.app{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,var(--surface) 0%,var(--background) 100%);overflow:hidden}.app-header{background-color:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:var(--spacing-md) var(--spacing-lg);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border)}.app-header nav{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.app-logo{font-size:1.5rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-decoration:none;transition:all var(--transition-normal)}.app-logo:hover{transform:scale(1.05)}.app-nav{display:flex;gap:var(--spacing-md)}.app-nav a{color:var(--text);text-decoration:none;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);transition:all var(--transition-normal);position:relative;font-weight:500}.app-nav a:after{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--gradient-primary);transition:all var(--transition-normal);transform:translate(-50%)}.app-nav a:hover{color:var(--primary)}.app-nav a:hover:after{width:80%}.app-main{flex:1;padding:var(--spacing-xl) 0;animation:fadeIn var(--transition-normal) ease-out;overflow-y:auto;display:flex;flex-direction:column}.app-footer{background-color:var(--surface);padding:var(--spacing-lg);text-align:center;color:var(--text-light);border-top:1px solid var(--border);margin-top:auto}.app-footer p{margin:0;font-size:.875rem}@media (max-width: 768px){.app-header nav{flex-direction:column;gap:var(--spacing-md)}.app-nav{width:100%;justify-content:center;flex-wrap:wrap}.app-nav a{font-size:.875rem}}.content{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;height:calc(100vh - 80px);margin-top:80px}.nav-menu{display:flex;gap:1rem;margin-bottom:2rem;justify-content:center}.nav-menu a{text-decoration:none;color:#333;padding:.5rem 1rem;border-radius:4px;transition:all .3s ease}.nav-menu a:hover{background-color:#f0f0f0}body.dark-mode{--surface: #1a1a1a;--background: #121212;--text: #ffffff;--text-light: #a0a0a0;--border: #333333}body.dark-mode .app{background:linear-gradient(135deg,var(--surface) 0%,var(--background) 100%)}body.dark-mode .app-header{background-color:transparent;border-bottom:1px solid var(--border)}body.dark-mode .app-nav a{color:var(--text)}body.dark-mode .app-nav a:hover{color:var(--primary)}body.dark-mode .app-footer{background-color:var(--surface);color:var(--text-light);border-top:1px solid var(--border)}