:root{--primary-color: #00bcd4;--glow-color: rgba(0, 188, 212, .7);--dark-bg: #0A192F;--card-bg: rgba(10, 25, 47, .85);--text-primary: #ccd6f6;--text-secondary: #8892b0;--font-body: "Roboto", sans-serif;--font-header: "Orbitron", sans-serif}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}body{margin:0;font-family:var(--font-body);background-image:linear-gradient(#0009,#0009),url(/background.jpg);background-size:cover;background-position:center center;background-attachment:fixed;display:flex;justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem;box-sizing:border-box}.card{width:100%;max-width:450px;background:var(--card-bg);border:1px solid rgba(255,255,255,.1);border-radius:16px;box-shadow:0 8px 32px #0000005e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--text-primary);animation:fadeInUp .8s ease-out}.logo-container{text-align:center;padding:2rem 1rem 1rem}.logo-container img{max-width:200px;filter:drop-shadow(0 0 15px rgba(0,188,212,.3));border-radius:50%;width:180px;height:180px;object-fit:contain;background-color:#0a192fd9}.card-body{padding:0 2rem 2rem}.card-header{text-align:center;margin-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:1.5rem}.card-header h1{font-family:var(--font-header);color:#fff;margin:0;letter-spacing:2px}.card-header p{margin:.5rem 0 0;color:var(--text-secondary)}.maquina-info{font-family:Space Mono,monospace;font-size:1.1rem;color:var(--primary-color);text-shadow:0 0 5px var(--glow-color)}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:700;font-size:.9rem;color:var(--text-secondary)}input,textarea{width:100%;padding:.8rem 1rem;background-color:#0003;border:1px solid rgba(255,255,255,.2);border-radius:8px;color:var(--text-primary);font-size:1rem;box-sizing:border-box;transition:all .3s ease}input[type=file]{padding:.5rem}input[type=file]::file-selector-button{font-family:var(--font-header);background:var(--primary-color);color:#fff;border:none;padding:.5rem 1rem;border-radius:8px;cursor:pointer;transition:background-color .3s ease}input[type=file]::file-selector-button:hover{background-color:var(--glow-color)}input::placeholder,textarea::placeholder{color:var(--text-secondary);opacity:.7}input:focus,textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 15px var(--glow-color)}.char-counter{text-align:right;font-size:.8rem;color:var(--text-secondary);margin-top:.5rem}button{width:100%;padding:1rem;border:none;border-radius:8px;background:linear-gradient(90deg,#00bcd4,#0097a7);color:#fff;font-family:var(--font-header);font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #00bcd466}button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #00bcd499}button:disabled{background:#555;box-shadow:none;cursor:not-allowed;opacity:.6}#form-alert{padding:1rem;margin-bottom:1.5rem;border-radius:8px;color:#fff;text-align:center;font-weight:700}.alert-success{background-color:#28a745}.alert-danger{background-color:#dc3545}