:root{--bg-color: #0f172a;--card-bg: rgba(30, 41, 59, .7);--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #38bdf8;--accent-secondary: #818cf8;--success: #4ade80;--font-family: "Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:center;background-image:radial-gradient(at 0% 0%,rgba(56,189,248,.15) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(129,140,248,.15) 0px,transparent 50%)}.app-container{width:100%;max-width:600px;padding:2rem;display:flex;flex-direction:column;gap:2rem}.hero{text-align:center;animation:fadeInDown .8s ease-out}.logo{font-weight:800;font-size:1.2rem;color:var(--accent-primary);margin-bottom:1rem;text-transform:uppercase;letter-spacing:.1em}h1{font-size:2.5rem;font-weight:800;margin-bottom:.5rem;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}.subtitle{color:var(--text-secondary);font-size:1.1rem}.content{display:flex;flex-direction:column;gap:1.5rem}.card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:2rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;transition:transform .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;border-color:#fff3}.instruction-card{text-align:center;animation:fadeInUp .8s ease-out .2s backwards}.icon-container{background:#38bdf81a;width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;color:var(--accent-primary)}.wifi-icon{animation:pulse 2s infinite}h2{font-size:1.5rem;margin-bottom:1rem}p{color:var(--text-secondary);line-height:1.6;margin-bottom:1.5rem}.network-info{background:#0f172a99;padding:1rem;border-radius:8px;display:inline-flex;align-items:center;gap:.5rem;border:1px solid rgba(56,189,248,.2);margin-bottom:1.5rem}.label{font-size:.9rem;color:var(--text-secondary)}.network-name{font-family:monospace;font-size:1.1rem;color:var(--accent-primary);font-weight:700}.note{font-size:.9rem;margin-bottom:0;font-style:italic}.os-guide-card{animation:fadeInUp .8s ease-out .4s backwards}.os-guide-header{display:flex;justify-content:space-between;align-items:center;cursor:pointer;-webkit-user-select:none;user-select:none;transition:opacity .2s ease}.os-guide-header:hover{opacity:.8}.os-guide-card h3{text-align:center;margin-bottom:0;font-size:1.2rem;flex:1}.expand-icon{transition:transform .3s ease;color:var(--accent-primary);flex-shrink:0}.expand-icon.expanded{transform:rotate(180deg)}.os-guide-content{max-height:0;overflow:hidden;transition:max-height .3s ease}.os-guide-content.expanded{max-height:1000px;margin-top:1.5rem}.image-container{width:100%;aspect-ratio:16/9;background:#0003;border-radius:8px;overflow:hidden;margin-bottom:1rem;position:relative}img{width:100%;height:100%;object-fit:cover;display:block}.hidden{display:none}.skeleton-loader{width:100%;height:100%;background:linear-gradient(90deg,#ffffff0d 25%,#ffffff1a,#ffffff0d 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}footer{text-align:center;margin-top:auto;animation:fadeIn 1s ease-out .6s backwards}.status-indicator{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#ffffff0d;border-radius:20px;font-size:.85rem;color:var(--text-secondary)}.status-dot{width:8px;height:8px;background-color:#fbbf24;border-radius:50%;box-shadow:0 0 8px #fbbf2480;animation:blink 1.5s infinite}.status-dot.connected{background-color:var(--success);box-shadow:0 0 8px #4ade8080;animation:none}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}to{transform:scale(1);opacity:1}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes blink{0%,to{opacity:1}50%{opacity:.5}}@media (max-width: 480px){h1{font-size:2rem}.app-container{padding:1rem}}