:root{--primary:#17A1AC;--secondary:#1b595dff;--background:#fff;--paper:#f3f3f3ff;--text:#000;--border:#17A1AC;--header-height:80px;--mobile-breakpoint:999px}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{background:var(--background);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;display:flex;flex-direction:column;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:300;margin:0;padding:0}a h1,a h2,a h3,a h4,a h5,a h6,h1 a,h2 a,h3 a,h4 a,h5 a,h6 a{font-weight:300}blockquote{border-left:2px solid var(--primary);padding-left:1rem;margin-left:0}.site-header{position:sticky;top:0;background:var(--background);z-index:1000}.header-container{max-width:1400px;margin:0 auto;padding:1rem 2rem;gap:2rem;min-height:var(--header-height)}.header-container,.logo-button{display:flex;align-items:center}.logo-button{justify-content:center;cursor:pointer;transition:transform .2s}.logo-button:hover{transform:scale(1.05)}.firebase-error-banner{background:linear-gradient(135deg,#fff3cd,#ffeaa7);border-bottom:3px solid #ffc107;padding:1rem;position:sticky;top:var(--header-height);z-index:999;box-shadow:0 2px 8px rgba(0,0,0,.1)}.firebase-error-content{max-width:1400px;margin:0 auto;padding:0 2rem;display:flex;align-items:flex-start;gap:1rem}.firebase-error-icon{font-size:2rem;line-height:1}.firebase-error-details{flex:1 1;color:#856404}.firebase-error-details strong{display:block;font-size:1.1rem;font-weight:500;margin-bottom:.5rem;color:#856404}.firebase-error-details p{margin:0 0 .75rem;line-height:1.5;color:#856404}.firebase-error-link{display:inline-block;background:#ffc107;color:#000;padding:.5rem 1rem;border-radius:4px;text-decoration:none;font-weight:500;transition:all .2s}.firebase-error-link:hover{background:#ffb300;transform:translateY(-1px);box-shadow:0 2px 4px rgba(0,0,0,.2)}.header-text{flex:1 1;min-width:0}.header-text h1{margin:0;font-size:1.5rem;color:var(--text);line-height:1.2}.header-text h2{margin:.25rem 0 0;font-size:.9rem;color:var(--secondary);line-height:1.2}.mobile-menu-toggle{display:none;background:none;border:2px solid var(--border);border-radius:8px;cursor:pointer;padding:.5rem;margin-left:auto;transition:all .3s ease;width:48px;height:48px}.mobile-menu-toggle:hover{background:var(--paper);transform:scale(1.05)}.mobile-menu-toggle:active{transform:scale(.95)}.menu-icon{display:flex;flex-direction:column;justify-content:space-between;width:24px;height:18px;position:relative}.menu-line{width:100%;height:2px;background-color:var(--text);border-radius:2px;transition:all .3s ease;transform-origin:center}.mobile-menu-toggle.active .menu-line:first-child{transform:translateY(8px) rotate(45deg)}.mobile-menu-toggle.active .menu-line:nth-child(2){opacity:0}.mobile-menu-toggle.active .menu-line:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.main-navigation ul{list-style:none;margin:0;padding:0;display:flex;gap:2rem}.main-navigation a{color:var(--primary);text-decoration:none;font-weight:400;transition:color .2s}.main-navigation a:hover{color:var(--secondary)}.main-layout{display:flex;flex-direction:row;max-width:1400px;margin:0 auto;min-height:calc(100vh - var(--header-height));padding:2rem;gap:2rem}.page-navigation{width:260px;min-width:220px;max-width:300px;background:var(--paper);border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.04);padding:2rem 1rem;align-self:flex-start}.main-content-area{flex:1 1;min-width:0;max-width:100%}.page-navigation{position:sticky;top:var(--header-height);height:fit-content}.page-navigation h3{font-size:1rem;font-weight:600;margin:0 0 1rem;color:var(--text)}.page-navigation ul{list-style:none;margin:0;padding:0}.page-navigation li{margin-bottom:.5rem}.page-navigation a{color:var(--primary);text-decoration:none;font-weight:400;transition:color .2s}.page-navigation a:hover{color:var(--secondary)}.page-content{min-width:0}.page-content article{background:var(--background);padding:0 2rem 2rem;font-size:1.125rem;line-height:1.75}.mobile-featured-image{display:none}.featured-image{position:sticky;top:var(--header-height);height:fit-content;width:100%}.featured-image>span{display:block;width:100%;aspect-ratio:1.91/1;overflow:hidden}.featured-image img{width:100%;height:100%;object-fit:cover;object-position:center}.featured-image figcaption{margin-top:.5rem;font-size:.875rem;color:var(--secondary);text-align:center}.site-footer{background:var(--primary);color:var(--background);margin-top:auto;padding:3rem 2rem 1rem}.footer-container{max-width:1400px;margin:0 auto}.footer-content{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-bottom:2rem}.footer-section h3{font-size:1rem;font-weight:600;margin:0 0 1rem;color:var(--background)}.footer-section ul{list-style:none;margin:0;padding:0}.footer-section li{margin-bottom:.5rem}.footer-section a{color:rgba(255,255,255,.7);text-decoration:none;transition:color .2s;font-weight:600}.footer-section a:hover{color:var(--background)}.social-links{display:flex;gap:1rem;flex-wrap:wrap}.social-links a{font-size:1.5rem;transition:transform .2s;display:inline-block}.social-links a:hover{transform:scale(1.2)}.footer-bottom{padding-top:1.5rem;text-align:center}.footer-bottom p{margin:0;color:rgba(255,255,255,.6);font-size:.9rem}@media (max-width:999px){.header-container{padding:1rem}.header-text h1{font-size:1.2rem}.header-text h2{font-size:.8rem}.mobile-menu-toggle{display:block}.main-navigation{position:fixed;top:var(--header-height);right:0;background:var(--background);border-left:2px solid var(--border);box-shadow:-4px 0 16px rgba(0,0,0,.1);transform:translateX(100%);transition:transform .3s ease;z-index:999}.main-navigation.mobile-open{transform:translateX(0)}.main-navigation ul{flex-direction:column;gap:0;padding:1rem;min-width:200px}.main-navigation a{display:block;padding:1rem}.page-layout{grid-template-columns:1fr;padding:1rem;gap:1.5rem;min-height:auto}.featured-image,.page-navigation{display:none}.mobile-featured-image{display:block;width:100%;aspect-ratio:1.91/1;overflow:hidden;margin-bottom:1.5rem}.mobile-featured-image img{width:100%;height:100%;object-fit:cover}.page-content article h1{font-size:1.75rem}.page-content article{padding:1.5rem}.footer-content{grid-template-columns:1fr;gap:2rem}.site-footer{padding:2rem 1rem 1rem}}