:root{--bg-color: #000}*{margin:0;padding:0;box-sizing:border-box;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}::selection{background:transparent;color:inherit}::-moz-selection{background:transparent;color:inherit}body,html{width:100vw;height:100vh;overflow:hidden;background-color:var(--bg-color);-webkit-text-size-adjust:100%}.app-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100vw;height:100vh;position:relative}.background-container{position:fixed;top:0;left:0;width:100%;height:100%;z-index:1}.background-image{width:100%;height:100%;object-fit:cover;animation:deepBreath 30s infinite alternate ease-in-out;opacity:.8;filter:brightness(.8) contrast(1.1);pointer-events:none}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle,#0000,#0009);z-index:2;pointer-events:none}.content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;width:100%;padding:0 20px;display:flex;flex-direction:column;justify-content:center;align-items:center}.main-title{font-family:Roboto Flex,sans-serif;font-weight:900;color:#fff;text-transform:uppercase;font-size:clamp(2rem,8vw,6rem);letter-spacing:clamp(2px,1.5vw,1.5rem);white-space:nowrap;margin:0;text-align:center}.error-title{color:#fa5454;text-shadow:0 0 20px rgba(250,84,84,.4)}.error-subtitle{font-family:Roboto Flex,sans-serif;font-size:clamp(1rem,3vw,1.5rem);letter-spacing:4px;color:#ffffffb3;margin-top:10px;text-align:center}.char{display:inline-block;animation:oceanWave 3.5s ease-in-out infinite alternate}.error-char{color:#fa5454;animation:none}@keyframes deepBreath{0%{transform:scale(1)}to{transform:scale(1.1)}}@keyframes oceanWave{0%{opacity:.5;transform:translateY(15px);filter:blur(4px);text-shadow:0 0 10px rgba(255,255,255,0)}to{opacity:1;transform:translateY(-5px);filter:blur(0);text-shadow:0 0 20px rgba(255,255,255,.8),0 0 40px rgba(0,225,255,.4)}}.btn-container{margin-top:40px;display:flex;justify-content:center;z-index:4}.action-btn{display:inline-block;padding:12px 32px;font-family:Roboto Flex,sans-serif;font-size:14px;color:#fff;background:#ffffff1a;border:1px solid rgba(255,255,255,.3);border-radius:50px;text-decoration:none;font-weight:500;letter-spacing:2px;transition:all .3s ease;box-shadow:0 0 15px #ffffff1a}.action-btn:hover{background:#fff3;border-color:#fff;transform:translateY(-2px);box-shadow:0 0 25px #ffffff4d}.footer-container{position:absolute;bottom:calc(25px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);display:flex;justify-content:center;align-items:center;z-index:10}.copyright{font-family:Roboto Flex,sans-serif;font-weight:300;font-size:13px;color:#ffffff80;letter-spacing:1px}.copyright a{color:inherit;text-decoration:none;transition:color .3s ease}.copyright a:hover{color:#fff}