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1rem;border-radius:var(--border-radius);transition:var(--transition);color:var(--dark-gray);text-decoration:none}.nav-link:hover,.nav-link.active{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;box-shadow:var(--shadow-blue);transform:translateY(-1px)}.nav-status{display:flex;align-items:center;gap:.5rem;font-size:.9rem}.status-indicator{width:8px;height:8px;border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.home-page{padding:2rem 0}.hero{text-align:center;padding:4rem 2rem;background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);margin:2rem auto;max-width:800px;border-radius:24px;box-shadow:var(--shadow-blue);border:1px solid rgba(37,99,235,.1)}.hero-title{font-size:3rem;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary-color),var(--dark-blue),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700}.hero-subtitle{font-size:1.2rem;color:#666;margin-bottom:2rem}.hero-info{max-width:600px;margin:2rem auto;color:#555}.hero-meta{margin-top:2rem;font-size:.9rem;color:#888;border-top:1px solid #eee;padding-top:1rem}.status-card{background:var(--light-gray);padding:1.5rem;border-radius:var(--border-radius);margin:2rem auto;max-width:500px;text-align:center}.status-card h3{font-size:1.3rem;margin-bottom:.5rem}.features{padding:4rem 0;background:white;margin:2rem 0}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:2rem}.feature-card{text-align:center;padding:2rem;border-radius:var(--border-radius);background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(37,99,235,.08);transition:var(--transition)}.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-blue);background:rgba(255,255,255,.95);border-color:#2563eb33}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature-title{font-size:1.3rem;margin-bottom:1rem;color:var(--primary-color)}.feature-description{color:#666;line-height:1.6}.api-test-page{padding:2rem;max-width:1000px;margin:0 auto;background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);margin-top:2rem;border-radius:20px;box-shadow:var(--shadow-blue);border:1px solid rgba(37,99,235,.1)}.api-controls{margin:2rem 0;text-align:center}.api-docs{margin-top:3rem;padding-top:2rem;border-top:1px solid #eee}.endpoint-list{display:grid;gap:1rem;margin-top:1rem}.endpoint-item{padding:1rem;background:var(--light-gray);border-radius:var(--border-radius);border-left:4px solid var(--primary-color)}.endpoint-item strong{color:var(--primary-color);font-family:Courier New,monospace}.footer{background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(0,0,0,.1);padding:2rem 0;text-align:center;margin-top:auto}.footer-content{color:#666}.footer-meta{margin-top:.5rem;font-size:.9rem}.magic-page{padding:2rem 0}.magic-hero{text-align:center;padding:4rem 2rem;background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);margin:2rem auto;max-width:800px;border-radius:24px;box-shadow:var(--shadow-blue);border:1px solid rgba(37,99,235,.1)}.magic-subtitle{font-size:1.2rem;color:var(--text-light);margin-bottom:3rem}.magic-controls{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:2rem}.btn-magic{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;border:none;box-shadow:var(--shadow-blue);font-size:1.1rem;padding:1rem 2rem;position:relative;overflow:hidden}.btn-magic:hover:not(:disabled){background:linear-gradient(135deg,var(--secondary-color),var(--dark-blue));transform:translateY(-3px) scale(1.05);box-shadow:0 15px 35px -5px #2563eb66}.btn-changing{animation:magicPulse .8s ease-in-out infinite}@keyframes magicPulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.current-theme{padding:1.5rem;background:rgba(37,99,235,.1);border-radius:var(--border-radius);margin-top:2rem}.theme-name{color:var(--primary-color);font-weight:700}.theme-gallery{margin:4rem auto;max-width:1200px;text-align:center}.theme-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:2rem}.theme-card{height:120px;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);border:3px solid transparent;position:relative;overflow:hidden}.theme-card:hover{transform:translateY(-5px) scale(1.02);box-shadow:0 15px 35px -5px #0000004d}.theme-card.active{border-width:3px;border-style:solid;box-shadow:0 10px 25px -5px #0000004d}.theme-overlay{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.7);color:#fff;padding:1rem;transform:translateY(100%);transition:var(--transition)}.theme-card:hover .theme-overlay{transform:translateY(0)}.theme-colors{display:flex;gap:.5rem;justify-content:center;margin-top:.5rem}.color-dot{width:12px;height:12px;border-radius:50%;border:1px solid rgba(255,255,255,.3)}.magic-info{margin:4rem auto;max-width:1000px;text-align:center}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:2rem}.info-card{padding:2rem;background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--border-radius);border:1px solid rgba(37,99,235,.08);transition:var(--transition)}.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-blue);background:rgba(255,255,255,.95)}.info-icon{font-size:2.5rem;margin-bottom:1rem}.calculator-page{padding:2rem 0}.calculator-hero{text-align:center;padding:2rem;background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);margin:2rem auto;max-width:600px;border-radius:24px;box-shadow:var(--shadow-blue);border:1px solid rgba(37,99,235,.1)}.calculator-subtitle{font-size:1.1rem;color:var(--text-light);margin-bottom:1rem}.calculator-container{display:flex;justify-content:center;margin:3rem 0}.calculator{background:linear-gradient(145deg,#2c2c2e,#1c1c1e);border-radius:24px;padding:24px;box-shadow:0 20px 60px #0006,inset 0 1px #ffffff1a;width:320px;border:1px solid rgba(255,255,255,.1)}.calculator-display{background:#000;border-radius:12px;padding:20px;margin-bottom:16px;min-height:80px;display:flex;align-items:flex-end;justify-content:flex-end;box-shadow:inset 0 2px 10px #0009}.display-value{color:#fff;font-size:2.5rem;font-weight:300;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif;letter-spacing:-.02em;text-align:right;word-break:break-all;line-height:1}.calculator-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.btn-calc{border:none;border-radius:50%;width:64px;height:64px;font-size:1.5rem;font-weight:400;cursor:pointer;transition:all .15s ease;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif;outline:none;position:relative;overflow:hidden}.btn-calc:active{transform:scale(.95)}.btn-number{background:linear-gradient(145deg,#505050,#333333);color:#fff;box-shadow:0 4px 8px #0000004d,inset 0 1px #fff3}.btn-number:hover{background:linear-gradient(145deg,#5a5a5a,#3d3d3d);box-shadow:0 6px 12px #0006,inset 0 1px #fff3}.btn-number:active{background:linear-gradient(145deg,#404040,#2a2a2a)}.btn-function{background:linear-gradient(145deg,#a6a6a6,#8a8a8a);color:#000;font-weight:500;box-shadow:0 4px 8px #0000004d,inset 0 1px #ffffff4d}.btn-function:hover{background:linear-gradient(145deg,#b0b0b0,#949494);box-shadow:0 6px 12px #0006,inset 0 1px #ffffff4d}.btn-function:active{background:linear-gradient(145deg,#969696,#7a7a7a)}.btn-operator{background:linear-gradient(145deg,#ff9f0a,#ff8c00);color:#fff;font-weight:500;box-shadow:0 4px 8px #ff9f0a4d,inset 0 1px #fff3}.btn-operator:hover{background:linear-gradient(145deg,#ffab1d,#ff9500);box-shadow:0 6px 12px #ff9f0a66,inset 0 1px #fff3}.btn-operator:active{background:linear-gradient(145deg,#e68900,#cc7a00)}.btn-zero{grid-column:span 2;border-radius:32px;width:140px;justify-self:start;text-align:left;padding-left:24px}.btn-equals{background:linear-gradient(145deg,#ff9f0a,#ff8c00);position:relative}.btn-equals:before{content:"";position:absolute;top:2px;left:2px;right:2px;bottom:2px;background:linear-gradient(145deg,#ffab1d,#ff9500);border-radius:inherit;opacity:0;transition:opacity .15s ease}.btn-equals:hover:before{opacity:1}.calculator-info{margin:4rem auto;max-width:1000px;text-align:center}@media (max-width: 768px){.nav-container{flex-direction:column;gap:1rem;padding:.5rem}.nav-links{gap:1rem}.main-content{padding-top:120px}.hero,.magic-hero{padding:2rem 1rem;margin:1rem}.hero-title{font-size:2rem}.features-grid,.theme-grid,.info-grid{grid-template-columns:1fr;gap:1rem}.api-test-page{margin:1rem;padding:1rem}.button-group,.magic-controls{flex-direction:column}.btn-magic{font-size:1rem;padding:.8rem 1.5rem}.calculator{width:280px;padding:20px}.btn-calc{width:56px;height:56px;font-size:1.3rem}.btn-zero{width:124px;padding-left:20px}.display-value{font-size:2rem}}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem}.login-card{background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:24px;padding:3rem;width:100%;max-width:400px;box-shadow:var(--shadow-blue);border:1px solid rgba(37,99,235,.1);text-align:center}.login-title{font-size:2rem;margin-bottom:.5rem;background:linear-gradient(135deg,var(--primary-color),var(--dark-blue),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-subtitle{color:#666;margin-bottom:2rem}.login-form{text-align:left}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#333}.form-group input{width:100%;padding:.75rem 1rem;border:2px solid #e2e8f0;border-radius:var(--border-radius);font-size:1rem;transition:var(--transition);box-sizing:border-box}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.btn-login{width:100%;padding:.85rem;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;border:none;border-radius:var(--border-radius);font-size:1.1rem;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-login:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-blue)}.btn-login:disabled{opacity:.7;cursor:not-allowed}.login-error{background:#fef2f2;color:#dc2626;padding:.75rem 1rem;border-radius:var(--border-radius);margin-bottom:1.5rem;border:1px solid #fecaca;font-size:.9rem}.main-content-no-nav{flex:1}.btn-logout{padding:.4rem .8rem;background:transparent;border:1px solid #dc3545;color:#dc3545;border-radius:var(--border-radius);cursor:pointer;font-size:.85rem;transition:var(--transition);margin-left:.5rem}.btn-logout:hover{background:#dc3545;color:#fff}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1.2rem;color:#666}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2563eb;--secondary-color: #1d4ed8;--accent-color: #3b82f6;--light-blue: #dbeafe;--dark-blue: #1e40af;--success-color: #10b981;--error-color: #ef4444;--warning-color: #f59e0b;--light-gray: #f8fafc;--medium-gray: #e2e8f0;--dark-gray: #334155;--text-light: #64748b;--border-radius: 12px;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-blue: 0 4px 14px 0 rgba(37, 99, 235, .15);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:var(--dark-gray);background:linear-gradient(135deg,#1e3a8a 0%,#1e40af 25%,#2563eb 50%,#3b82f6 75%,#60a5fa 100%);min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 1rem}h1,h2,h3,h4,h5,h6{margin-bottom:1rem;font-weight:600}h1{font-size:2.5rem;color:var(--primary-color)}h2{font-size:2rem;margin-bottom:2rem;text-align:center}p{margin-bottom:1rem}a{color:var(--primary-color);text-decoration:none;transition:var(--transition)}a:hover{color:var(--secondary-color)}.btn{display:inline-block;padding:.75rem 1.5rem;border:none;border-radius:var(--border-radius);cursor:pointer;font-size:1rem;font-weight:500;text-decoration:none;transition:var(--transition);margin:.25rem}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;border:none;box-shadow:var(--shadow-blue)}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--secondary-color),var(--dark-blue));transform:translateY(-3px);box-shadow:0 10px 25px -5px #2563eb4d}.btn-secondary{background:rgba(255,255,255,.9);color:var(--primary-color);border:1px solid rgba(37,99,235,.2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-secondary:hover:not(:disabled){background:rgba(255,255,255,1);border-color:var(--primary-color);transform:translateY(-2px);box-shadow:var(--shadow-blue)}.btn-outline{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-outline:hover:not(:disabled){background:var(--primary-color);color:#fff}.button-group{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;margin:2rem 0}.card{background:white;border-radius:var(--border-radius);box-shadow:var(--shadow);padding:1.5rem;margin-bottom:1rem;transition:var(--transition)}.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.status-success{border-left:4px solid var(--success-color)}.status-error{border-left:4px solid var(--error-color)}.status-pending{border-left:4px solid var(--warning-color)}.result-card{background:white;border-radius:var(--border-radius);padding:1.5rem;margin:1rem 0;box-shadow:var(--shadow)}.result-card h3{margin-bottom:1rem}.result-card pre{background:var(--light-gray);padding:1rem;border-radius:var(--border-radius);overflow-x:auto;font-size:.9rem;line-height:1.4}.result-card.success{border-left:4px solid var(--success-color)}.result-card.info{border-left:4px solid var(--primary-color)}.error-card{background:#fff5f5;border:1px solid #fed7d7;border-left:4px solid var(--error-color);border-radius:var(--border-radius);padding:1.5rem;margin:1rem 0}.error-card h3{color:var(--error-color);margin-bottom:.5rem}@media (max-width: 768px){.container{padding:0 .5rem}h1{font-size:2rem}.btn{padding:.5rem 1rem;font-size:.9rem}.button-group{flex-direction:column;align-items:stretch}.card{padding:1rem}}