:root,:root[data-theme=light]{--primary-color: #0252CD;--secondary-color: #2D7FF9;--accent-color: #FF5757;--background-color: #ffffff;--surface-color: #ffffff;--card-bg: #ffffff;--text-color: #111827;--text-color-light: #4b5563;--text-muted: #6b7280;--border-color: rgba(0, 0, 0, .08);--shadow-color: rgba(0, 0, 0, .06);--success-color: #10B981;--error-color: #EF4444;--warning-color: #F59E0B;--hover-color: rgba(45, 127, 249, .08);--primary-color-rgb: 2, 82, 205;--secondary-color-rgb: 45, 127, 249;--input-bg: #ffffff;--tag-bg: #f3f4f6}:root[data-theme=dark]{--primary-color: #2D7FF9;--secondary-color: #5096FF;--accent-color: #FF5757;--background-color: #111827;--surface-color: #1F2937;--card-bg: #1F2937;--text-color: #F9FAFB;--text-color-light: #D1D5DB;--text-muted: #9CA3AF;--border-color: rgba(255, 255, 255, .1);--shadow-color: rgba(0, 0, 0, .3);--success-color: #10B981;--error-color: #EF4444;--warning-color: #F59E0B;--hover-color: rgba(45, 127, 249, .15);--primary-color-rgb: 45, 127, 249;--secondary-color-rgb: 80, 150, 255;--input-bg: #374151;--tag-bg: #374151}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;transition:background-color .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease}body{background-color:var(--background-color);color:var(--text-color);line-height:1.6;letter-spacing:-.01em;font-weight:400}.container{max-width:1200px;margin:0 auto;padding:2rem;border-radius:16px}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;letter-spacing:-.025em;margin-bottom:.5em}h1{font-size:3.5rem}h2{font-size:2.5rem}h3{font-size:1.75rem}h4{font-size:1.4rem}h5{font-size:1.1rem}h6{font-size:1rem}p{margin-bottom:1.5rem}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:transform .3s ease,box-shadow .3s ease,background-color .3s ease;position:relative;overflow:hidden;background-color:var(--primary-color);color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:0 2px 6px rgba(var(--primary-color-rgb),.2)}.btn:hover{transform:translateY(-2px);box-shadow:0 6px 12px rgba(var(--primary-color-rgb),.3);background-color:var(--secondary-color)}.btn:active{transform:translateY(0);box-shadow:0 2px 4px rgba(var(--primary-color-rgb),.2)}.btn-secondary{background-color:transparent;color:var(--primary-color);border:1px solid var(--border-color);box-shadow:0 2px 4px var(--shadow-color)}.btn-secondary:hover{border-color:var(--primary-color);color:var(--primary-color);background-color:var(--hover-color)}.btn-large{padding:1rem 2rem;font-size:1.1rem}.btn-small{padding:.5rem 1rem;font-size:.9rem}.card{background-color:var(--card-bg);border-radius:16px;padding:2rem;box-shadow:0 4px 12px var(--shadow-color);border:1px solid var(--border-color);transition:transform .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 10px 30px var(--shadow-color)}.section{padding:6rem 0;position:relative}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:2.5rem;margin-bottom:1rem;color:var(--text-color)}.section-subtitle{font-size:1.25rem;color:var(--text-color-light);max-width:800px;margin:0 auto}.header{text-align:center;margin-bottom:3rem}.header h1{color:var(--primary-color);font-size:2.5rem;margin-bottom:1rem}.lock-generator{background:#fff;border-radius:10px;padding:2rem;box-shadow:0 4px 6px #0000001a;background-color:var(--surface-color);border:1px solid var(--border-color)}.lock-display{background:var(--primary-color);color:#fff;padding:2rem;border-radius:8px;text-align:center;margin-bottom:2rem;font-size:1.5rem;font-family:monospace}.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-color:var(--secondary-color)}.btn-secondary{background-color:var(--surface-color);color:var(--text-color);border:1px solid var(--border-color)}.btn-secondary:hover{border:1px solid var(--secondary-color);color:var(--secondary-color)}.lock-history{margin-top:2rem;background-color:var(--surface-color);border:1px solid var(--border-color)}.lock-history h2{color:var(--primary-color);margin-bottom:1rem}.history-list{list-style:none}.history-item{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;margin-bottom:1.5rem;background-color:var(--card-bg);border-radius:12px;border:1px solid var(--border-color);transition:all .3s ease;box-shadow:0 4px 15px var(--shadow-color)}.history-item:hover{transform:translateY(-8px);box-shadow:0 15px 30px var(--shadow-color);border-color:var(--primary-color);background-color:rgba(var(--primary-color-rgb),.03)}.history-item-name{font-weight:600;font-size:1.1rem;color:var(--primary-color)}.history-item-type{font-size:.9rem;color:var(--text-color);padding:.2rem .8rem;background-color:rgba(var(--primary-color-rgb),.1);border-radius:20px;font-weight:500}.history-item-date{font-size:.8rem;color:var(--text-color-light);margin-left:auto;background-color:#0000000d;padding:.2rem .5rem;border-radius:4px}.main-header{background-color:var(--card-bg);padding:1rem 0;position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border-color);transition:background-color .3s ease}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:1.25rem;align-items:center}.nav-logo{color:var(--text-color);text-decoration:none;font-size:1.5rem;font-weight:700;display:flex;align-items:center;gap:.5rem;letter-spacing:-.025em}.nav-logo i{font-size:1.8rem;color:var(--primary-color);transition:transform .3s ease,color .3s ease}.nav-menu{display:flex;gap:1rem;list-style:none;align-items:center;justify-content:center;min-width:0}.nav-link{color:var(--text-color-light);text-decoration:none;font-size:1rem;font-weight:500;padding:.5rem .7rem;border-radius:8px;transition:all .3s ease;position:relative;overflow:hidden;white-space:nowrap}.nav-actions{display:flex;align-items:center;justify-content:flex-end;gap:.5rem}.nav-link.active{background-color:var(--primary-color);color:#fff}.theme-toggle{background:none;border:none;color:var(--text-color-light);cursor:pointer;font-size:1.2rem;padding:.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.theme-toggle:hover{color:var(--primary-color);background-color:var(--hover-color);transform:rotate(30deg)}.user-menu-wrapper{position:relative}.user-menu-btn{background:none;border:none;color:var(--text-color-light);cursor:pointer;font-size:1.2rem;padding:.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s ease;width:40px;height:40px}.user-menu-btn:hover,.user-menu-btn[aria-expanded=true]{color:var(--primary-color);background-color:var(--hover-color)}.user-menu-dropdown{position:absolute;top:calc(100% + .5rem);right:0;background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 8px 24px var(--shadow-color);min-width:220px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s ease;z-index:1001;padding:.5rem 0}.user-menu-dropdown.active{opacity:1;visibility:visible;transform:translateY(0)}.user-menu-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.25rem;color:var(--text-color);text-decoration:none;font-size:.95rem;transition:all .2s ease;border:none;background:none;width:100%;text-align:left;cursor:pointer}.user-menu-item:hover{background-color:var(--hover-color);color:var(--primary-color)}.user-menu-item i{width:20px;text-align:center;color:var(--text-muted)}.user-menu-item:hover i{color:var(--primary-color)}.user-menu-divider{height:1px;background:var(--border-color);margin:.5rem 0}@media(max-width:768px){.nav-container{display:flex;gap:.5rem}.nav-actions{margin-left:auto}.user-menu-dropdown{right:auto;left:50%;transform:translate(-50%) translateY(-10px)}.user-menu-dropdown.active{transform:translate(-50%) translateY(0)}}.quick-access-card{display:block;background:var(--card-bg);border-radius:12px;padding:1.5rem;text-decoration:none;border:1px solid var(--border-color);transition:all .3s ease;box-shadow:0 2px 8px var(--shadow-color)}.quick-access-card:hover{transform:translateY(-4px);box-shadow:0 8px 16px var(--shadow-color);border-color:var(--primary-color);background-color:rgba(var(--primary-color-rgb),.03)}.quick-access-card:hover i{transform:scale(1.1);color:var(--secondary-color)}.quick-access-card i{transition:all .3s ease}.user-menu-item.active{background-color:var(--hover-color);color:var(--primary-color);font-weight:600}.user-menu-item.active i{color:var(--primary-color)}.user-icon-link{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;transition:all .3s ease;color:var(--text-color);text-decoration:none}.user-icon-link:hover{background-color:var(--hover-color);color:var(--primary-color);transform:scale(1.1)}.user-icon-link i{font-size:1.1rem}.user-icon-link.active{background-color:rgba(var(--primary-color-rgb),.1);color:var(--primary-color)}.mobile-menu-btn{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;padding:.5rem}@media(max-width:768px){.mobile-menu-btn{display:flex;align-items:center;justify-content:center;background:none;border:none;font-size:2rem;color:var(--primary-color);width:48px;height:48px;border-radius:50%;margin-right:1rem;z-index:2100;transition:background .2s,color .2s}.mobile-menu-btn:focus,.mobile-menu-btn:hover{background:var(--hover-color);outline:none}:root[data-theme=dark] .mobile-menu-btn{color:#fff;background:none}.nav-menu{display:none;position:absolute;top:100%;left:0;width:100vw;background:#ffffffd9;backdrop-filter:blur(12px);box-shadow:0 8px 32px #0252cd1a;flex-direction:column;gap:0;padding:1.5rem 0 2rem;z-index:2000;border-bottom-left-radius:18px;border-bottom-right-radius:18px;border-top:1px solid var(--border-color);align-items:center;animation:slideDownMenu .25s cubic-bezier(.4,1.3,.6,1) both}.nav-menu.active{display:flex}.nav-link{padding:1.1rem 0;text-align:center;width:100%;border-radius:0;color:var(--text-color);background:none;font-size:1.15rem;margin:0;font-weight:500;border:none;transition:background .2s,color .2s;position:relative}.nav-link:not(:last-child):after{content:"";display:block;width:60%;height:1px;background:var(--border-color);margin:.5rem auto 0;opacity:.4}.nav-link.active{background:none;color:var(--primary-color)!important;font-weight:700;border-radius:6px;box-shadow:none;position:relative}.nav-link.active:before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:70%;height:60%;background:#0252cd1a;border-radius:8px;z-index:-1}:root[data-theme=dark] .nav-menu{background:#111827f2;box-shadow:0 8px 32px #2d7ff91a}:root[data-theme=dark] .nav-link.active{color:var(--secondary-color)!important}.theme-toggle{margin:1.2rem 0 0;align-self:center}}@keyframes slideDownMenu{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}.lock-keypad-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;margin:2rem 0;padding:0}.lock-keypad{display:grid;gap:10px;padding:15px;background-color:var(--surface-color);border-radius:8px;margin:15px 0;width:100%;max-width:100%}.keypad-button{padding:15px;border:none;border-radius:5px;background-color:var(--primary-color);color:#fff;font-size:1.2rem;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;position:relative;overflow:hidden}.keypad-button:after{content:"";position:absolute;top:50%;left:50%;width:5px;height:5px;background:#fffc;opacity:0;border-radius:100%;transform:scale(1) translate(-50%,-50%);transform-origin:50% 50%}.keypad-button:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 5px 15px #0003;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff}.keypad-button:active:after{animation:ripple .6s ease-out}@keyframes ripple{0%{transform:scale(0) translate(-50%,-50%);opacity:.5}to{transform:scale(20) translate(-50%,-50%);opacity:0}}.numeric-keypad{max-width:300px;margin:0 auto}.alphanumeric-keypad{max-width:600px;margin:0 auto}.alphanumeric-keypad .keypad-button{font-size:1rem;padding:12px}.directional-keypad{max-width:420px;margin:0 auto;position:relative;padding:1.5rem;background:linear-gradient(145deg,#f7f9fd,#e7ecf6);border-radius:24px;box-shadow:0 18px 32px #0f204329,inset 0 1px #ffffffd9;border:1px solid rgba(18,46,92,.14)}.directional-memory{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:20px;min-height:50px;padding:15px;background-color:#fff;border-radius:8px;box-shadow:inset 0 2px 4px #0000001a;border:1px solid #ddd}.memory-item{font-size:1.2rem;padding:5px 10px;background-color:#e9ecef;border-radius:4px;box-shadow:0 2px 4px #0000001a;animation:fadeIn .3s ease;border:1px solid #ced4da;color:#06c;display:inline-flex;align-items:center;justify-content:center}.directional-grid{display:grid;gap:.65rem;position:relative;z-index:1;justify-content:center;margin:1.25rem auto;padding:.35rem}.directional-grid-four{display:grid;grid-template-columns:repeat(3,82px);grid-template-rows:repeat(3,82px);grid-template-areas:". up ." "left . right" ". down ."}.directional-grid-eight{display:grid;grid-template-columns:repeat(3,72px);grid-template-rows:repeat(3,72px);grid-template-areas:"up-left up up-right" "left . right" "down-left down down-right"}.directional-up{grid-area:up}.directional-down{grid-area:down}.directional-left{grid-area:left}.directional-right{grid-area:right}.directional-up-left{grid-area:up-left}.directional-up-right{grid-area:up-right}.directional-down-left{grid-area:down-left}.directional-down-right{grid-area:down-right}.directional-grid-eight .directional-button{width:72px;height:72px;border-radius:16px}.directional-button{width:82px;height:82px;border:1px solid rgba(0,48,135,.45);border-radius:18px;background:linear-gradient(145deg,#1677ed,#0456cd);color:#fff;font-size:2rem;cursor:pointer;position:relative;overflow:hidden;transition:all .2s ease;padding:0;box-shadow:0 6px #013e9c,0 12px 18px #002c7940,inset 0 1px 1px #ffffff61;display:flex;align-items:center;justify-content:center;transform:translateY(0)}.directional-button:hover{background:linear-gradient(145deg,#2d8aff,#075dd9);box-shadow:0 7px #013e9c,0 14px 20px #002c7940,inset 0 1px 1px #ffffff61}.directional-button:active{transform:translateY(6px);box-shadow:0 0 #013e9c,0 3px 6px #002c793d;background:#0756c6}.directional-arrow{width:37px;height:37px;fill:currentColor;filter:drop-shadow(0 1px 0 rgba(0,0,0,.18));transition:transform .2s ease}.directional-lines{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}@media(max-width:480px){.directional-keypad{max-width:320px;padding:15px}.directional-button{padding:12px;min-height:55px;min-width:55px}.directional-button i{font-size:1.5rem}.memory-item{font-size:1rem;padding:4px 8px}}.color-lock{max-width:520px;margin:0 auto;padding:1.25rem;border:1px solid var(--border-color);border-radius:20px;background:var(--card-bg)}.color-helper{margin:0 0 .8rem;text-align:center;color:var(--text-color)}.color-sequence{min-height:52px;display:flex;justify-content:center;align-items:center;gap:.5rem;flex-wrap:wrap;padding:.65rem;margin-bottom:1rem;border:1px dashed var(--border-color);border-radius:12px;background:var(--subtle-bg)}.color-sequence-placeholder{color:var(--text-muted);font-size:.9rem}.color-sequence-step{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .55rem;border-radius:999px;background:color-mix(in srgb,var(--lock-color),#fff 85%);color:var(--text-color);font-size:.84rem;font-weight:700}.color-sequence-step b{display:grid;place-items:center;width:1.25rem;height:1.25rem;border-radius:50%;background:var(--lock-color);color:#fff;font-size:.7rem}.color-keypad{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}.color-button{min-height:88px;padding:.65rem;border:2px solid color-mix(in srgb,var(--lock-color),#10213e 22%);border-radius:16px;background:color-mix(in srgb,var(--lock-color),#ffffff 84%);color:var(--text-color);box-shadow:0 5px color-mix(in srgb,var(--lock-color),#10213e 28%),0 10px 18px #0f204329;cursor:pointer}.color-button:hover,.color-button:focus-visible{transform:translateY(-2px);outline:none}.color-button:active{transform:translateY(4px);box-shadow:0 1px color-mix(in srgb,var(--lock-color),#10213e 28%)}.color-swatch{display:grid;place-items:center;width:38px;height:38px;margin:0 auto;border-radius:50%;background:var(--lock-color);box-shadow:inset 0 3px 5px #fff6,0 2px 6px #0000002e}.color-swatch b{color:#fff;font-size:.78rem;text-shadow:0 1px 1px rgba(0,0,0,.35)}.color-button[data-value=blanco] .color-swatch b{color:#10213e;text-shadow:none}.color-name{display:block;margin-top:.35rem;font-size:.82rem;font-weight:800}.color-actions{display:flex;justify-content:center;gap:.75rem;flex-wrap:wrap;margin-top:1rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.pattern-lock{max-width:390px;margin:0 auto;text-align:center}.pattern-helper{margin:0 0 1rem;color:var(--text-color)}.pattern-board{position:relative;display:grid;grid-template-columns:repeat(var(--pattern-size),1fr);gap:clamp(1rem,6vw,2.75rem);padding:clamp(1.35rem,6vw,2.8rem);border:1px solid var(--border-color);border-radius:24px;background:radial-gradient(circle at 50% 0%,rgba(2,82,205,.1),transparent 58%),var(--card-bg);touch-action:none;user-select:none}.pattern-lines{position:absolute;inset:clamp(1.35rem,6vw,2.8rem);width:auto;height:auto;overflow:visible;pointer-events:none;z-index:1}.pattern-lines polyline{fill:none;stroke:var(--primary-color);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 2px 3px rgba(2,82,205,.28))}.pattern-button{position:relative;z-index:2;aspect-ratio:1;min-width:42px;border:0;border-radius:50%;padding:0;background:var(--text-color);cursor:pointer;box-shadow:0 0 0 6px var(--card-bg),0 4px 12px #0f204333;transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease}.pattern-button:after{content:attr(data-step);position:absolute;inset:0;display:grid;place-items:center;font-size:.82rem;font-weight:800;color:#fff}.pattern-button:hover,.pattern-button:focus-visible{transform:scale(1.1);outline:none}.pattern-button.selected{background:var(--primary-color);box-shadow:0 0 0 6px var(--card-bg),0 0 0 10px #0252cd2e,0 6px 14px #0252cd52}.pattern-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:.75rem;margin-top:1rem}.computer-login-container{max-width:400px;margin:0 auto;background-color:var(--surface-color);border-radius:12px;padding:30px;box-shadow:0 8px 16px var(--shadow-color);transition:all .3s ease}.computer-login-secret-input{-webkit-text-security:disc}.computer-login-secret-input.revealed{-webkit-text-security:none}.login-screen{text-align:center}.login-header{margin-bottom:30px}.os-logo{font-size:3rem;color:var(--primary-color);margin-bottom:15px;animation:float 3s ease-in-out infinite}.os-name{font-size:1.8rem;color:var(--primary-color);margin-bottom:5px}.os-version{color:var(--text-color-light);font-size:.9rem}.login-form{display:flex;flex-direction:column;gap:20px}.input-group{text-align:left}.input-group label{display:flex;align-items:center;gap:8px;margin-bottom:8px;color:var(--text-color);font-size:.9rem}.input-group label i{color:var(--primary-color)}.input-wrapper{position:relative}.input-wrapper input{width:100%;padding:12px 40px 12px 15px;border:2px solid var(--border-color);border-radius:8px;background-color:var(--background-color);color:var(--text-color);font-size:1rem;transition:all .3s ease}.input-wrapper input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-color-light)}.toggle-password{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-color-light);cursor:pointer;padding:5px;transition:color .3s ease}.toggle-password:hover{color:var(--primary-color)}.login-status{display:flex;align-items:center;gap:10px;min-height:24px}.status-icon{width:16px;height:16px;border-radius:50%;transition:all .3s ease}.status-icon.success{background-color:var(--success-color);box-shadow:0 0 10px var(--success-color)}.status-icon.error{background-color:var(--error-color);box-shadow:0 0 10px var(--error-color)}.status-message{font-size:.9rem;color:var(--text-color-light)}.login-button{position:relative;padding:12px;background-color:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:1rem;cursor:pointer;transition:all .3s ease;overflow:hidden}.login-button:hover:not(:disabled){background-color:var(--primary-color-dark);transform:translateY(-2px)}.login-button:disabled{opacity:.7;cursor:not-allowed}.login-button .button-text{transition:opacity .3s ease}.login-button .loading-spinner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;opacity:0;transition:all .3s ease}.login-button.loading .button-text{opacity:0}.login-button.loading .loading-spinner{transform:translate(-50%,-50%) scale(1);opacity:1;animation:spin 1s linear infinite}.login-attempts{margin-top:10px}.attempts-bar{height:4px;background-color:var(--background-color);border-radius:2px;overflow:hidden;margin-bottom:8px}.attempts-progress{height:100%;background-color:var(--primary-color);width:100%;transition:width .3s ease}.attempts-text{font-size:.8rem;color:var(--text-color-light)}.login-footer{display:flex;justify-content:space-between;align-items:center;margin-top:30px;padding-top:15px;border-top:1px solid var(--border-color)}.system-time{font-size:.9rem;color:var(--text-color-light)}.system-status{display:flex;gap:10px;color:var(--text-color-light)}.system-status i{font-size:1rem}.computer-login-container.success{animation:successPulse .5s ease}.computer-login-container.error{animation:errorShake .5s ease}.computer-login-container.hacking{animation:hackPulse .5s ease infinite}.computer-login-container.logged-in{animation:loginSuccess 1s ease forwards}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes 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#050a12;border-radius:0 0 8px 8px;background:linear-gradient(90deg,#080e18,#3a4554 42%,#101824);color:#fff;box-shadow:0 5px 7px #00000059;font-size:clamp(.58rem,2vw,.8rem)}.solfege-scale{display:grid;grid-template-columns:repeat(4,1fr);gap:.65rem;min-height:210px;align-content:center}.solfege-note{min-height:74px;display:grid;place-items:center;gap:.15rem;border:1px solid #b9cce1;border-radius:14px;background:linear-gradient(145deg,#fff,#e7f0fa);color:#143354;cursor:pointer;box-shadow:0 3px #b5c7da,0 5px 10px #0f20431a}.solfege-note:active{transform:translateY(3px);box-shadow:0 0 #b5c7da}.solfege-note strong{font-size:1.25rem}.solfege-note span{font-size:.7rem;color:#60748d}.musical-figures{display:flex;justify-content:center;gap:.4rem;flex-wrap:wrap;margin-top:1rem;text-align:center}.musical-figures>span{width:100%}.musical-figures button{display:grid;place-items:center;min-width:52px;min-height:52px;border:1px solid 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.section-title{font-size:3.5rem;margin-bottom:1rem;color:#fff;font-weight:800;letter-spacing:-.03em;line-height:1.1}.history-hero .section-subtitle{font-size:1.25rem;opacity:.9;max-width:600px;margin:0 auto;font-weight:500;letter-spacing:-.01em}.filters-section{background-color:var(--card-bg);border-radius:16px;padding:2rem;margin-bottom:2.5rem;box-shadow:0 8px 30px var(--shadow-color);border:1px solid var(--border-color)}.history-filters{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.5rem;align-items:center}.history-filters .search-box{flex:1;min-width:250px;position:relative}.history-filters .search-box input{width:100%;padding:.8rem 1rem .8rem 2.5rem;border-radius:8px;border:1px solid var(--border-color);background-color:var(--input-bg);color:var(--text-color);font-size:1rem;transition:all .3s ease}.history-filters .search-box i{position:absolute;left:.8rem;top:50%;transform:translateY(-50%);color:var(--text-muted)}.history-filters 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var(--shadow-color);border-color:var(--secondary-color)}.history-item-content{flex:1;display:flex;align-items:center;flex-wrap:wrap;gap:.8rem}.history-item-name{font-weight:600;font-size:1.1rem;color:var(--text-color)}.history-item-type{font-size:.9rem;color:var(--text-muted);padding:.2rem .8rem;background-color:var(--tag-bg);border-radius:20px}.history-item-date{font-size:.8rem;color:var(--text-muted);margin-left:auto}.history-item-actions{display:flex;gap:.5rem}.history-item-actions button{background:none;border:none;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-muted);cursor:pointer;transition:all .3s ease}.history-item-actions button:hover{background-color:var(--hover-color);transform:scale(1.1)}.btn-copy:hover{color:var(--success-color)!important}.btn-delete:hover{color:var(--error-color)!important}.history-actions{display:flex;justify-content:flex-end;gap:1rem;padding-top:1rem;border-top:1px solid var(--border-color)}.empty-history{text-align:center;padding:3rem 1rem;color:var(--text-muted);font-size:1.1rem}.history-help-section{margin-bottom:3rem}.panel{border-radius:8px;overflow:hidden;box-shadow:0 2px 10px var(--shadow-color)}.panel-info{border:1px solid rgba(var(--secondary-color-rgb),.3)}.panel-heading{padding:1rem 1.5rem;background-color:rgba(var(--secondary-color-rgb),.1);border-bottom:1px solid rgba(var(--secondary-color-rgb),.2)}.panel-title{margin:0;font-size:1.2rem;color:var(--secondary-color);display:flex;align-items:center;gap:.5rem}.panel-body{padding:1.5rem;background-color:var(--surface-color)}.panel-body ul{margin:0;padding-left:1.5rem}.panel-body li{margin-bottom:.5rem}@media(max-width:768px){.history-hero,.help-hero{padding:3rem 1rem}.history-hero .section-title{font-size:2rem}.history-filters{flex-direction:column;align-items:stretch}.history-filters .filter-options{flex-direction:column}.history-item{flex-direction:column;align-items:flex-start}.history-item-content{margin-bottom:1rem;width:100%}.history-item-date{margin-left:0;margin-top:.5rem}.history-item-actions{width:100%;justify-content:flex-end}.history-actions{flex-direction:column}.history-actions button{width:100%}}:root[data-theme=light] .filters-section{background-color:#fff;box-shadow:0 2px 8px #00000014;border:1px solid #e0e0e0}:root[data-theme=light] .search-box input{border:1px solid #d0d0d0;background-color:#f8f9fa}:root[data-theme=light] .search-box input:focus{border-color:#3498db;box-shadow:0 0 0 3px #3498db33}:root[data-theme=light] .history-section{background-color:#fff;box-shadow:0 2px 8px #00000014;border:1px solid #e0e0e0}:root[data-theme=light] .history-item{background-color:#f8f9fa;border:1px solid #e0e0e0}:root[data-theme=light] .history-item-name{color:#2c3e50}:root[data-theme=light] .history-item-type{background-color:#2c3e501a;color:#2c3e50}:root[data-theme=light] .panel-body{background-color:#fff}:root[data-theme=light] .panel-info{border:1px solid rgba(52,152,219,.3)}.testimonials-section{padding:6rem 0;background-color:var(--background-color);position:relative;overflow:hidden}.testimonials-section:before{content:"";position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(var(--primary-color-rgb),.08) 0%,transparent 70%);top:-200px;left:-200px;border-radius:50%;z-index:0}.testimonials-section:after{content:"";position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(var(--secondary-color-rgb),.08) 0%,transparent 70%);bottom:-150px;right:-150px;border-radius:50%;z-index:0}.testimonials-container{position:relative;z-index:1}.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2.5rem;margin-top:3rem}.testimonial-card{background-color:var(--card-bg);border-radius:16px;padding:2.5rem;box-shadow:0 8px 30px var(--shadow-color);border:1px solid var(--border-color);position:relative;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}.testimonial-card:hover{transform:translateY(-8px);box-shadow:0 15px 40px var(--shadow-color)}.testimonial-quote{position:absolute;top:1.5rem;right:1.5rem;font-size:4rem;opacity:.1;color:var(--primary-color)}.testimonial-content{font-size:1.1rem;line-height:1.7;margin-bottom:2rem;color:var(--text-color);font-weight:500;position:relative;z-index:1}.testimonial-author{display:flex;align-items:center;gap:1rem}.author-avatar{width:50px;height:50px;border-radius:50%;background-color:var(--primary-color);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff}.author-info h4{font-size:1.1rem;margin-bottom:.25rem;color:var(--text-color)}.author-info p{font-size:.9rem;color:var(--text-color-light);margin-bottom:0}.testimonial-company{height:30px;opacity:.7;margin-top:1.5rem}@media(max-width:768px){.testimonials-grid{grid-template-columns:1fr}}.stats-section{padding:5rem 0;position:relative}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:3rem;margin-top:2rem}.stat-card{text-align:center;padding:2rem}.stat-value{font-size:3.5rem;font-weight:800;margin-bottom:.5rem;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}.stat-label{font-size:1.1rem;color:var(--text-color-light);max-width:200px;margin:0 auto}:root[data-theme=dark] .history-hero:hover,:root[data-theme=dark] .hero-section:hover{background-color:#10b98114;transition:background-color .3s ease}:root[data-theme=dark] .history-hero:hover .section-title,:root[data-theme=dark] .hero-section:hover .hero-title,:root[data-theme=dark] .history-hero:hover .section-subtitle,:root[data-theme=dark] .hero-section:hover .hero-subtitle{color:#fff;transition:color .3s ease}:root[data-theme=dark] .history-hero:before,:root[data-theme=dark] .hero-section:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(16,185,129,.03));opacity:0;transition:opacity .3s ease;pointer-events:none}:root[data-theme=dark] .history-hero:hover:before,:root[data-theme=dark] .hero-section:hover:before{opacity:1}:root[data-theme=dark] .help-search input:focus{border-color:#10b981;box-shadow:0 0 0 3px #10b98133}:root[data-theme=dark] .help-search i{color:#9ca3af;transition:color .3s ease}:root[data-theme=dark] .help-search:hover i{color:#10b981}:root[data-theme=dark] .guide-card:hover{border-color:#10b981;transform:translateY(-5px);box-shadow:0 10px 25px #10b98126}:root[data-theme=dark] .guide-card:hover i{color:#10b981}:root[data-theme=dark] .hero-section:hover .btn-primary,:root[data-theme=dark] .history-hero:hover .btn-primary{background-color:#10b981;border-color:#10b981;box-shadow:0 4px 12px #10b98140}:root[data-theme=dark] .hero-section:hover .btn-secondary,:root[data-theme=dark] .history-hero:hover .btn-secondary{color:#10b981;border-color:#10b981}:root[data-theme=dark] .hero-section:hover .btn-secondary:hover,:root[data-theme=dark] .history-hero:hover .btn-secondary:hover{background-color:#10b9811a;transform:translateY(-3px)}:root[data-theme=dark] .faq-item:hover .faq-question{color:#10b981}:root[data-theme=light] .hero-section,:root[data-theme=light] .history-hero,:root[data-theme=light] .help-hero{background:#e2e8f0;color:#1e293b}:root[data-theme=light] .hero-section .hero-title,:root[data-theme=light] .history-hero .section-title,:root[data-theme=light] .help-hero h1{color:#0f172a}:root[data-theme=light] .hero-section .hero-subtitle,:root[data-theme=light] .history-hero .section-subtitle,:root[data-theme=light] .help-hero p{color:#334155}:root[data-theme=light] .hero-section,:root[data-theme=light] .history-hero,:root[data-theme=light] .help-hero{box-shadow:0 1px 3px #0000001a;border-bottom:1px solid rgba(0,0,0,.05)}:root[data-theme=light] .hero-section:before,:root[data-theme=light] .history-hero:before,:root[data-theme=light] .help-hero:before{background:radial-gradient(circle at center,rgba(0,0,0,.03) 0%,transparent 60%)}:root[data-theme=light] .hero-section:after,:root[data-theme=light] .history-hero:after,:root[data-theme=light] .help-hero:after{background:radial-gradient(circle at center,rgba(0,0,0,.02) 0%,transparent 70%)}:root[data-theme=light] .hero-section .btn-primary,:root[data-theme=light] .history-hero .btn-primary,:root[data-theme=light] .help-hero .btn-primary{background-color:#0252cd;color:#fff;border-color:#0252cd;box-shadow:0 4px 6px #0252cd40}:root[data-theme=light] .hero-section .btn-primary:hover,:root[data-theme=light] .history-hero .btn-primary:hover,:root[data-theme=light] .help-hero .btn-primary:hover{background-color:#0043a4;border-color:#0043a4;transform:translateY(-2px);box-shadow:0 6px 12px #0252cd4d}:root[data-theme=light] .hero-section .btn-secondary,:root[data-theme=light] .history-hero .btn-secondary,:root[data-theme=light] .help-hero .btn-secondary{background-color:transparent;color:#0252cd;border:1px solid #0252CD}:root[data-theme=light] .hero-section .btn-secondary:hover,:root[data-theme=light] .history-hero .btn-secondary:hover,:root[data-theme=light] .help-hero .btn-secondary:hover{background-color:#0252cd1a;color:#0043a4;transform:translateY(-2px)}.resource-filters{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.5rem;align-items:center}.resource-filters .search-box{flex:1;min-width:250px;position:relative}.resource-filters .search-box input{width:100%;padding:.8rem 1rem .8rem 2.5rem;border-radius:8px;border:1px solid var(--border-color);background-color:var(--input-bg);color:var(--text-color);font-size:1rem;transition:all .3s ease}.resource-filters .search-box i{position:absolute;left:.8rem;top:50%;transform:translateY(-50%);color:var(--text-muted)}.resource-filters .filter-options{display:flex;gap:.8rem}.resource-filters select{padding:.8rem;border-radius:8px;border:1px solid var(--border-color);background-color:var(--input-bg);color:var(--text-color);font-size:.9rem;transition:all .3s ease;cursor:pointer}.resources-section{margin-bottom:3rem;padding-top:2rem}.resources-section .section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.resources-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.resource-card{background-color:var(--card-bg);border-radius:12px;border:1px solid var(--border-color);padding:1.5rem;transition:all .3s ease;position:relative;overflow:hidden;display:flex;flex-direction:column}.resource-card:hover{transform:translateY(-5px);box-shadow:0 12px 20px var(--shadow-color);border-color:var(--primary-color)}.resource-icon{width:60px;height:60px;border-radius:12px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));display:flex;align-items:center;justify-content:center;margin-bottom:1.2rem}.resource-icon i{font-size:1.8rem;color:#fff}.resource-card h3{font-size:1.2rem;margin-bottom:.8rem;color:var(--text-color)}.resource-card p{color:var(--text-color-light);font-size:.95rem;margin-bottom:1.5rem;flex-grow:1}.resource-meta{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.2rem}.resource-type,.resource-level{font-size:.8rem;padding:.25rem .8rem;border-radius:20px;background-color:var(--tag-bg);color:var(--text-color-light)}.resource-card .btn{align-self:flex-start}.community-section{background-color:var(--card-bg);border-radius:16px;padding:3rem 2rem;margin:3rem 0;text-align:center;border:1px solid var(--border-color)}.community-section .section-title{margin-bottom:1.5rem}.community-section .section-description{max-width:800px;margin:0 auto 2rem;color:var(--text-color-light);font-size:1.1rem}.cta-buttons{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}@media(max-width:768px){.resource-filters{flex-direction:column;align-items:stretch}.resource-filters .filter-options{flex-direction:column}.resources-grid{grid-template-columns:1fr}.cta-buttons{flex-direction:column}.cta-buttons .btn{width:100%}}.no-results{text-align:center;padding:2rem;color:var(--text-muted);width:100%;grid-column:1 / -1}.resource-filters .search-box{position:relative;transition:all .3s ease}.resource-filters .search-box:focus-within{transform:scale(1.02)}.resource-filters .search-box:focus-within i{color:var(--primary-color)}.resource-card{transition:all .3s cubic-bezier(.34,1.56,.64,1)}.resource-card:hover .resource-icon{transform:scale(1.1) rotate(5deg);box-shadow:0 10px 20px rgba(var(--primary-color-rgb),.2)}.resource-icon{transition:all .3s ease}.resource-meta{margin-top:auto}.resource-type,.resource-level{transition:all .3s ease}.resource-card:hover .resource-type,.resource-card:hover .resource-level{background-color:rgba(var(--primary-color-rgb),.1);color:var(--primary-color)}.resources-section .btn-primary{position:relative;overflow:hidden}.resources-section .btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.resources-section .btn-primary:hover:before{left:100%}.notification{position:fixed;bottom:20px;right:20px;background-color:var(--success-color);color:#fff;padding:12px 20px;border-radius:8px;box-shadow:0 4px 12px #0000001a;z-index:1000;opacity:1;transition:opacity .3s ease;max-width:350px}.notification.error{background-color:var(--error-color)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.resource-card{animation:fadeIn .5s 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h2{margin:0;font-size:1.8rem;color:#fff}.close-modal{background:none;border:none;color:#fff;font-size:2rem;cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .3s ease}.close-modal:hover{background-color:#fff3;transform:rotate(90deg)}.resource-modal-body{padding:2rem;overflow-y:auto}.resource-intro{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.resource-description{font-size:1.1rem;line-height:1.6;color:var(--text-color);margin-bottom:1.5rem}.resource-actions{display:flex;gap:1rem;margin:1.5rem 0;flex-wrap:wrap}.coding-system{margin-bottom:3rem;border:1px solid var(--border-color);border-radius:12px;overflow:hidden;transition:all .3s ease}.coding-system h3{background-color:var(--card-bg);padding:1.2rem;margin:0;font-size:1.4rem;border-bottom:1px solid var(--border-color)}.system-content{padding:1.5rem}.system-description{margin-bottom:1.5rem}.system-implementation{background-color:var(--card-bg);padding:1.5rem;border-radius:8px;margin-bottom:1.5rem}.system-implementation h4{margin-top:0;color:var(--primary-color)}.system-example{background-color:var(--surface-color);padding:1rem;border-radius:6px;margin-top:1rem;border-left:4px solid var(--primary-color)}.system-playground{background-color:var(--card-bg);padding:1.5rem;border-radius:8px}.system-playground h4{margin-top:0;color:var(--primary-color)}.input-group{margin-bottom:1rem}.input-group label{display:block;margin-bottom:.5rem;font-weight:500}.input-group input{width:100%;padding:.8rem;border-radius:6px;border:1px solid var(--border-color)}.result-container{margin-top:1.5rem;padding:1rem;background-color:var(--surface-color);border-radius:6px}.result-container h5{margin-top:0;margin-bottom:.5rem;color:var(--text-color)}.encoded-result{font-family:monospace;font-size:1.2rem;color:var(--primary-color);padding:.5rem;min-height:2.5rem;word-break:break-all}.morse-table{display:grid;grid-template-columns:1fr;gap:.5rem;margin:1rem 0}.morse-row{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}.morse-cell{background-color:var(--surface-color);padding:.5rem;text-align:center;border-radius:4px;font-family:monospace;font-size:.9rem}.polybius-grid{margin:1rem 0}.polybius-grid table{border-collapse:collapse;width:100%;max-width:300px;margin:0 auto}.polybius-grid th,.polybius-grid td{border:1px solid var(--border-color);padding:.5rem;text-align:center;font-family:monospace}.polybius-grid th{background-color:var(--primary-color);color:#fff}.polybius-grid td{background-color:var(--surface-color)}.pigpen-translation{margin-top:1rem;padding:1rem;background-color:var(--card-bg);border-radius:8px;border-left:4px solid var(--primary-color)}@media(max-width:480px){.polybius-grid table{font-size:.8rem}.polybius-grid th,.polybius-grid td{padding:.3rem}}.show-more-systems{text-align:center;margin:2rem 0 1rem}.img-fluid{max-width:100%;height:auto;display:block;margin:1rem auto}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.community-section{position:relative;overflow:hidden}.community-section:before{content:"";position:absolute;top:-100px;left:-100px;width:200px;height:200px;background:radial-gradient(circle,rgba(var(--primary-color-rgb),.1) 0%,transparent 70%);border-radius:50%;pointer-events:none}.community-section:after{content:"";position:absolute;bottom:-100px;right:-100px;width:200px;height:200px;background:radial-gradient(circle,rgba(var(--primary-color-rgb),.1) 0%,transparent 70%);border-radius:50%;pointer-events:none}.cta-buttons .btn{transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .3s ease}.cta-buttons .btn:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(var(--primary-color-rgb),.2)}@media(max-width:768px){.resource-modal-content{width:95%;margin:20px auto}.morse-row{grid-template-columns:repeat(2,1fr)}.resource-actions{flex-direction:column}.resource-actions .btn{width:100%}}.nokia-keypad{max-width:370px;margin:0 auto;display:grid;gap:12px;padding:1.25rem;border:1px solid var(--border-color);border-radius:24px;background:linear-gradient(145deg,#fff,#edf3fb);box-shadow:0 16px 30px #0f204324}.nokia-display{background:linear-gradient(145deg,#f4f8ff,#dceafd);color:#112846;border:1px solid #b9cee8;border-radius:16px;padding:11px 14px 14px;min-height:128px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:inset 0 1px 2px #0f204314;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.nokia-status-bar{width:100%;display:flex;align-items:center;justify-content:space-between;padding-bottom:8px;border-bottom:1px solid rgba(43,79,123,.18);font-family:inherit;color:#405875}.nokia-clock{font-size:.78rem;font-weight:800;font-variant-numeric:tabular-nums}.nokia-battery{position:relative;width:23px;height:12px;border:2px solid #405875;border-radius:3px;box-sizing:border-box}.nokia-battery:after{content:"";position:absolute;right:-5px;top:2px;width:3px;height:5px;border-radius:0 2px 2px 0;background:#405875}.nokia-battery span{display:block;width:70%;height:100%;background:#0b61d4}.nokia-screen-title{align-self:flex-start;margin-top:.6rem;font-family:inherit;font-size:.68rem;letter-spacing:.12em;font-weight:800;color:#476587}.nokia-code-preview{min-height:2.15rem;display:grid;place-items:center;color:#083b86;font-size:1.65rem;letter-spacing:.16em;font-variant-numeric:tabular-nums}.nokia-decoded-preview{color:#173453;font-size:.78rem;font-weight:800;letter-spacing:.06em}.nokia-current-key{min-height:1rem;text-align:center}.nokia-confirmation{display:grid;place-items:center;gap:.5rem;min-height:100px;color:#173453;font-size:.9rem}.nokia-confirmation strong{color:#075bd2;font-size:1.5rem;letter-spacing:.12em}.nokia-confirmation small{color:#58708d;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.nokia-button{aspect-ratio:1;min-height:62px;border:1px solid #c5d4e5;background:#fff;color:#173453;border-radius:14px;padding:8px 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