:root{--bg-color:#f8fafc;--text-color:#0f172a;--primary:#3b82f6;--primary-hover:#2563eb;--sidebar-bg:#ffffffb3;--card-bg:#ffffffe6;--border-color:#e2e8f0;--bg-color-alt:#f1f5f9;--glass-shadow:0 4px 30px #0000001a;--glass-border:1px solid #ffffff4d}[data-theme=dark]{--bg-color:#0f172a;--text-color:#f8fafc;--primary:#60a5fa;--primary-hover:#3b82f6;--sidebar-bg:#1e293bb3;--card-bg:#1e293be6;--border-color:#334155;--bg-color-alt:#1e293b;--glass-shadow:0 4px 30px #00000080;--glass-border:1px solid #ffffff1a}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-color:#0f172a;--text-color:#f8fafc;--primary:#60a5fa;--primary-hover:#3b82f6;--sidebar-bg:#1e293bb3;--card-bg:#1e293be6;--border-color:#334155;--bg-color-alt:#1e293b;--glass-shadow:0 4px 30px #00000080;--glass-border:1px solid #ffffff1a}}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.6;transition:background-color .3s,color .3s}.glass{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);border:var(--glass-border);box-shadow:var(--glass-shadow)}.glass-sidebar{background:var(--sidebar-bg);-webkit-backdrop-filter:blur(16px);border-right:var(--glass-border);box-shadow:var(--glass-shadow)}.app-container{flex-direction:column;min-height:100vh;padding-top:70px;display:flex}.main-content{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:2rem}h1,h2,h3,h4{margin-bottom:1rem;font-weight:700;line-height:1.2}h1{font-size:calc(2.5rem * var(--text-scale,1))}h2{font-size:calc(1.8rem * var(--text-scale,1))}h3{font-size:calc(1.4rem * var(--text-scale,1))}body{font-size:calc(1rem * var(--text-scale,1))}button,input,select,textarea{font-family:inherit;font-size:inherit}button{cursor:pointer;background:0 0;border:none}.btn-primary{background-color:var(--primary);color:#fff;border-radius:8px;padding:.75rem 1.5rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f666}.fade-in{animation:.5s ease-out forwards fadeIn}.slide-in-right{animation:.4s cubic-bezier(.16,1,.3,1) forwards slideInRight}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.machines-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;margin-top:2rem;display:grid}.machine-card{cursor:pointer;color:inherit;border-radius:16px;flex-direction:column;gap:1rem;padding:1.5rem;text-decoration:none;transition:all .3s;display:flex}.machine-card:hover{border-color:var(--primary);transform:translateY(-5px)scale(1.02);box-shadow:0 20px 40px #0000001a}.manual-layout{min-height:100vh;display:flex}.sidebar{flex-direction:column;gap:2rem;width:300px;height:100vh;padding:2rem 1rem;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:sticky;top:0;overflow:hidden auto}.sidebar.collapsed{opacity:0;pointer-events:none;width:0;padding:2rem 0}.content-area{flex:1;max-width:1400px;margin:0 auto;padding:3rem 4rem 25vh;transition:all .3s cubic-bezier(.4,0,.2,1)}.nav-group h4{font-size:calc(.875rem * var(--text-scale,1));text-transform:uppercase;letter-spacing:.05em;color:var(--primary);margin-bottom:.75rem;padding-left:.5rem}.nav-link{color:var(--text-color);opacity:.8;border-radius:8px;align-items:center;gap:.75rem;padding:.75rem 1rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-link:hover{opacity:1;background-color:#3b82f61a;transform:translate(4px)}.nav-link.active{opacity:1;background-color:var(--primary);color:#fff}.nav-link svg{flex-shrink:0}.chapter-content{line-height:1.8}.content-block{margin-bottom:2.5rem}.content-block img{max-width:100%;box-shadow:var(--glass-shadow);border-radius:12px;margin:1rem 0}.safety-notice{background-color:#ef44441a;border-left:4px solid #ef4444;border-radius:0 8px 8px 0;align-items:flex-start;gap:1rem;margin:2.5rem 0;padding:1rem 1.5rem;display:flex}.image-block:has(+.safety-notice){margin-bottom:0}.image-block:has(+.safety-notice) img{margin-bottom:.25rem}.image-block+.safety-notice{margin-top:0}.safety-notice.warning{background-color:#f59e0b1a;border-left-color:#f59e0b}table{border-collapse:collapse;background:var(--card-bg);width:100%;box-shadow:var(--glass-shadow);border-radius:8px;margin:2.5rem 0;overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--border-color);padding:1rem}th{background-color:#0000000d;font-weight:600}.loader{min-height:50vh;font-size:calc(1.2rem * var(--text-scale,1));color:var(--primary);justify-content:center;align-items:center;animation:1.5s infinite pulse;display:flex}@keyframes pulse{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}.login-container{background:linear-gradient(135deg,#3b82f60d 0%,#2563eb1a 100%);justify-content:center;align-items:center;width:100%;min-height:100vh;display:flex}.login-card{border-radius:20px;flex-direction:column;width:100%;max-width:440px;padding:3rem 2.5rem;display:flex}.login-header{text-align:center;margin-bottom:2.5rem}.login-header h2{font-size:calc(2rem * var(--text-scale,1));color:var(--primary);margin-bottom:.5rem}.login-header p{opacity:.7}.login-form{flex-direction:column;gap:1.5rem;display:flex}.form-group{flex-direction:column;gap:.5rem;display:flex}.form-group label{font-weight:600;font-size:calc(.9rem * var(--text-scale,1));opacity:.9}.input-with-icon{align-items:center;display:flex;position:relative}.input-icon{color:var(--text-color);opacity:.5;position:absolute;left:1rem}.input-with-icon input{border:1px solid var(--border-color);background-color:var(--bg-color);width:100%;color:var(--text-color);font-size:calc(1rem * var(--text-scale,1));border-radius:10px;padding:.85rem 1rem .85rem 3rem;font-family:inherit;transition:all .2s}.input-with-icon input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #3b82f633}.login-btn{width:100%;font-size:calc(1.1rem * var(--text-scale,1));border-radius:10px;margin-top:1rem;padding:1rem}.navbar{z-index:1000;border-bottom:var(--glass-border);justify-content:center;align-items:center;width:100%;height:70px;display:flex;position:fixed;top:0;left:0}.navbar-content{justify-content:space-between;align-items:center;width:100%;padding:0 2rem;display:flex}.navbar-logo{align-items:center;height:50px;display:flex}.navbar-logo img{object-fit:contain;border-radius:8px;height:100%}.btn-logout{color:#ef4444;background-color:#ef44441a;border-radius:8px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-weight:600;transition:all .2s;display:flex}.btn-logout:hover{color:#fff;background-color:#ef4444}.logout-container{position:relative}.logout-confirm-popup{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);border:var(--glass-border);box-shadow:var(--glass-shadow);text-align:center;border-radius:12px;width:max-content;padding:1rem;animation:.2s ease-out fadeIn;position:absolute;top:120%;right:0}.logout-confirm-popup p{color:var(--text-color);margin-bottom:.75rem;font-weight:600}.logout-confirm-actions{justify-content:center;gap:.5rem;display:flex}.btn-confirm-yes{color:#fff;background-color:#ef4444;border-radius:6px;padding:.4rem 1rem;font-weight:600;transition:all .2s}.btn-confirm-yes:hover{background-color:#dc2626}.btn-confirm-no{background-color:var(--border-color);color:var(--text-color);border-radius:6px;padding:.4rem 1rem;font-weight:600;transition:all .2s}.btn-confirm-no:hover{background-color:#cbd5e1}.font-dropdown-container{position:relative}.font-dropdown-menu{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);border:var(--glass-border);box-shadow:var(--glass-shadow);border-radius:12px;flex-direction:column;gap:.25rem;width:max-content;padding:.5rem;animation:.2s ease-out fadeIn;display:flex;position:absolute;top:120%;right:0}.font-dropdown-item{color:var(--text-color);border-radius:8px;justify-content:center;align-items:center;min-width:60px;padding:.5rem 1rem;font-weight:600;transition:all .2s;display:flex}.font-dropdown-item:hover,.font-dropdown-item.active{background-color:var(--primary);color:#fff}