:root{--bg-primary: #0F172A;--bg-secondary: #020617;--bg-card: #1E293B;--bg-card-hover: #334155;--bg-input: #0f172a;--bg-sidebar: #020617;--accent-primary: #2dd4bf;--accent-secondary: #c084fc;--accent-tertiary: #38bdf8;--accent-gradient: linear-gradient(135deg, #2dd4bf 0%, #c084fc 100%);--accent-glow: 0 0 24px rgba(45, 212, 191, .4);--accent-soft: rgba(45, 212, 191, .15);--color-success: #2dd4bf;--color-warning: #a855f7;--color-danger: #f43f5e;--color-info: #38bdf8;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #64748b;--border-color: rgba(255, 255, 255, .1);--border-glow: rgba(192, 132, 252, .4);--shadow-xs: 0 2px 4px rgba(0, 0, 0, .2);--shadow-sm: 0 4px 6px rgba(0, 0, 0, .3), 0 2px 4px rgba(0, 0, 0, .2);--shadow-md: 0 8px 16px rgba(0, 0, 0, .4), 0 4px 6px rgba(0, 0, 0, .2);--shadow-lg: 0 16px 32px rgba(0, 0, 0, .5), 0 8px 16px rgba(0, 0, 0, .3);--shadow-xl: 0 24px 48px rgba(0, 0, 0, .6);--led-on: #2dd4bf;--led-off: #334155;--led-glow: 0 0 16px rgba(45, 212, 191, .6), 0 0 32px rgba(45, 212, 191, .3);--sidebar-width: 270px;--header-height: 64px;--radius: 20px;--radius-sm: 16px;--radius-xs: 10px;--transition: all .3s cubic-bezier(.34, 1.56, .64, 1);--transition-fast: all .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:100px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:var(--transition);box-shadow:1px 0 8px #00000008}.sidebar-header{padding:22px 24px;border-bottom:1px solid var(--border-color)}.sidebar-logo{display:flex;align-items:center;gap:12px}.sidebar-logo-icon{width:44px;height:44px;background:var(--accent-gradient);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:var(--accent-glow);color:#fff}.sidebar-logo-text{font-size:15px;font-weight:700;letter-spacing:-.3px;color:var(--text-primary)}.sidebar-logo-sub{font-size:11px;color:var(--text-muted);font-weight:400}.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}.sidebar-section{margin-bottom:24px}.sidebar-section-title{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);padding:0 12px;margin-bottom:8px}.sidebar-link{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);text-decoration:none;font-size:13.5px;font-weight:500;transition:var(--transition-fast);cursor:pointer;border:none;background:none;width:100%;text-align:left}.sidebar-link:hover{background:var(--accent-soft);color:var(--accent-primary)}.sidebar-link.active{background:var(--accent-soft);color:var(--accent-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--accent-primary)}.sidebar-link-icon{font-size:18px;width:24px;text-align:center}.sidebar-footer{padding:16px;border-top:1px solid var(--border-color)}.sidebar-user{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color)}.sidebar-user-avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;color:#fff;box-shadow:var(--accent-glow)}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-primary)}.sidebar-user-role{font-size:11px;color:var(--accent-primary);text-transform:capitalize;font-weight:500}.main-content{margin-left:var(--sidebar-width);flex:1;min-width:0;min-height:100vh;padding:32px}.page-header{margin-bottom:32px}.page-title{font-size:28px;font-weight:800;letter-spacing:-.5px;color:var(--text-primary)}.page-subtitle{font-size:14px;color:var(--text-secondary);margin-top:4px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:24px;transition:var(--transition);box-shadow:var(--shadow-sm)}.card:hover{box-shadow:var(--shadow-md);border-color:var(--border-glow)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.card-title{font-size:16px;font-weight:700;color:var(--text-primary)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:22px 24px;transition:var(--transition);position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent-gradient);opacity:0;transition:var(--transition)}.stat-card:hover{transform:translateY(-3px);border-color:var(--border-glow);box-shadow:var(--shadow-lg)}.stat-card:hover:before{opacity:1}.stat-icon{font-size:28px;margin-bottom:12px}.stat-value{font-size:32px;font-weight:800;letter-spacing:-1px;color:var(--text-primary)}.stat-label{font-size:13px;color:var(--text-muted);margin-top:4px;font-weight:500}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition-fast);text-decoration:none;position:relative;overflow:hidden}.btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#fff0;transition:var(--transition-fast)}.btn:hover:after{background:#ffffff1f}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--accent-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px #ec489966}.btn-success{background:var(--color-success);color:#0f172a;font-weight:700;box-shadow:0 2px 10px #2dd4bf33}.btn-success:hover{background:#14b8a6;transform:translateY(-2px);box-shadow:0 6px 20px #2dd4bf66}.btn-danger{background:var(--color-danger);color:#fff;box-shadow:0 2px 10px #f43f5e33}.btn-danger:hover{background:#e11d48;transform:translateY(-2px);box-shadow:0 6px 20px #f43f5e66}.btn-warning{background:var(--color-warning);color:#fff;box-shadow:0 2px 10px #a855f733}.btn-warning:hover{background:#9333ea;transform:translateY(-2px);box-shadow:0 6px 20px #a855f766}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}.btn-ghost:hover{background:var(--accent-soft);color:var(--accent-primary);border-color:var(--border-glow)}.btn-sm{padding:6px 14px;font-size:12px}.btn-lg{padding:14px 28px;font-size:16px}.btn-icon{padding:8px;width:36px;height:36px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.form-input,.form-select{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:14px;transition:var(--transition-fast);outline:none;box-shadow:var(--shadow-xs)}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23cbd5e1'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 18px center;background-size:16px;padding-right:45px;cursor:pointer}.form-input:focus,.form-select:focus,.form-select.focused{border-color:var(--accent-primary);box-shadow:0 0 0 4px #2dd4bf40;background:var(--bg-card-hover)}.custom-select-dropdown{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);z-index:1000;max-height:250px;overflow-y:auto;padding:4px}.custom-select-option{padding:10px 14px;font-size:14px;color:var(--text-primary);border-radius:var(--radius-xs);cursor:pointer;transition:var(--transition-fast)}.custom-select-option:hover{background:var(--bg-card-hover)}.custom-select-option.active{background:var(--accent-soft);color:var(--accent-primary);font-weight:600}.form-select option{background-color:var(--bg-card);color:var(--text-primary)}.form-input::placeholder{color:var(--text-muted)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border-color)}td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--border-color);vertical-align:middle}tr:hover td{background:#3b82f608}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-success{background:#10b98126;color:var(--color-success)}.badge-warning{background:#f59e0b26;color:var(--color-warning)}.badge-danger{background:#ef444426;color:var(--color-danger)}.badge-info{background:#06b6d426;color:var(--color-info)}.badge-primary{background:#3b82f626;color:var(--accent-primary)}.badge-purple{background:#8b5cf626;color:var(--accent-secondary)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-primary);position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(59,130,246,.15),transparent 70%);top:-150px;right:-100px;pointer-events:none}.login-page:after{content:"";position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(139,92,246,.1),transparent 70%);bottom:-100px;left:-100px;pointer-events:none}.login-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:40px;width:420px;max-width:90vw;position:relative;z-index:1;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 20px 60px #00000080}.login-logo{text-align:center;margin-bottom:32px}.login-logo-icon{width:64px;height:64px;background:var(--accent-gradient);border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-size:32px;margin-bottom:16px;box-shadow:var(--accent-glow)}.login-logo h1{font-size:22px;font-weight:800;letter-spacing:-.5px}.login-logo p{font-size:13px;color:var(--text-secondary);margin-top:4px}.login-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-xs);padding:10px 14px;color:var(--color-danger);font-size:13px;margin-bottom:16px}.mode-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.mode-tab{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;border:2px solid var(--border-color);border-radius:var(--radius-xs);background:var(--bg-input);color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast);font-family:inherit;flex:1 1 45px;min-width:45px}.mode-tab:hover{border-color:var(--accent-primary);color:var(--text-primary)}.mode-tab.active{border-color:var(--accent-primary);background:#3b82f626;color:var(--accent-primary)}.mode-tab-number{font-size:14px;font-weight:700}.mode-tab-label{font-size:10px;opacity:.7}.mode-info{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-secondary);font-weight:500}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm)}.card-title{color:var(--text-primary);font-weight:700;margin:0}.editor-layout-v2{display:grid;grid-template-columns:220px 1fr auto;gap:20px}.editor-layout-v2.direct-layout{grid-template-columns:1fr auto}.input-cards-column{display:flex;flex-direction:column;gap:8px}.pattern-list{display:flex;flex-direction:column;gap:4px}.pattern-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:var(--radius-xs);cursor:pointer;font-size:13px;font-weight:500;color:var(--text-secondary);transition:var(--transition-fast);border:none;background:none;width:100%;text-align:left}.pattern-item:hover{background:var(--bg-card-hover);color:var(--text-primary)}.pattern-item.active{background:var(--accent-soft);color:var(--accent-primary)}.pattern-item-radio{width:16px;height:16px;border-radius:50%;border:2px solid var(--text-muted);transition:var(--transition-fast)}.pattern-item.active .pattern-item-radio{border-color:var(--accent-primary);background:var(--accent-primary);box-shadow:inset 0 0 0 3px var(--bg-card)}.binary-display{font-family:Courier New,monospace;font-size:18px;font-weight:700;letter-spacing:2px;padding:10px 16px;background:var(--bg-input);border-radius:var(--radius-xs);border:1px solid var(--border-color);color:var(--led-on);margin-bottom:16px}.input-serials-grid{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.input-serial-card{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-xs);padding:8px 12px;cursor:pointer;transition:var(--transition-fast)}.input-serial-card:hover{border-color:var(--accent-primary)}.input-serial-card.active{border-color:var(--accent-primary);background:#3b82f614;box-shadow:0 0 8px #3b82f626}.input-serial-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.input-serial-label{font-size:12px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.input-serial-card.active .input-serial-label{color:var(--accent-primary)}.input-serial-binary{font-family:Courier New,monospace;font-size:11px;font-weight:600;color:var(--led-on);letter-spacing:1px}.led-serial{display:flex;gap:2px;margin-bottom:20px;flex-wrap:wrap}.led-serial-compact{margin-bottom:0;gap:1px}.led-serial-compact .led-checkbox-wrapper{gap:1px}.led-checkbox-sm{width:24px!important;height:24px!important}.led-checkbox-wrapper{display:flex;flex-direction:column;align-items:center;gap:4px}.led-checkbox{width:32px;height:32px;border:2px solid var(--border-color);border-radius:4px;background:var(--bg-input);cursor:pointer;transition:var(--transition-fast);display:flex;align-items:center;justify-content:center}.led-checkbox.active{background:var(--led-on);border-color:var(--led-on);box-shadow:var(--led-glow)}.led-checkbox-label{font-size:10px;color:var(--text-muted);font-weight:600}.editor-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:20px}.btn-run{background:var(--color-success);color:#fff}.btn-stop{background:var(--color-danger);color:#fff}.btn-reset{background:var(--color-warning);color:#1a1a1a}.btn-clear{background:var(--text-muted);color:#fff}.time-period{display:flex;align-items:center;gap:8px;margin-left:auto}.time-period label{font-size:13px;color:var(--text-secondary)}.time-period select{padding:8px 12px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-xs);color:var(--text-primary);font-family:inherit}.led-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;min-width:280px}.led-grid-btn{width:100%;height:54px;border:2px solid var(--border-color);border-radius:var(--radius-xs);background:var(--bg-input);color:var(--text-secondary);font-weight:700;font-size:17px;cursor:pointer;transition:var(--transition-fast);font-family:inherit;padding:0}.led-grid-btn:hover{border-color:var(--accent-primary);color:var(--text-primary)}.led-grid-btn.active{background:var(--led-on);border-color:var(--led-on);color:#fff;box-shadow:var(--led-glow)}.led-grid-actions{display:flex;flex-direction:column;gap:8px;margin-top:24px}.simulation-panel{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:24px;margin-top:20px}.simulation-title{font-size:14px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;margin-bottom:20px}.simulation-leds{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.sim-led{width:36px;height:36px;border-radius:50%;background:var(--led-off);border:2px solid rgba(148,163,184,.1);transition:var(--transition-fast);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--text-muted)}.sim-led.on{background:var(--led-on);border-color:var(--led-on);box-shadow:var(--led-glow);color:#fff}.step-timeline{display:flex;gap:4px;margin-top:20px;flex-wrap:wrap}.step-item{position:relative;padding:6px 10px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-xs);font-size:11px;font-family:Courier New,monospace;cursor:pointer;transition:var(--transition-fast);min-width:48px;text-align:center}.step-item:hover{border-color:var(--accent-primary)}.step-delete-btn{position:absolute;top:-6px;right:-6px;width:16px;height:16px;border-radius:50%;background:var(--color-danger);color:#fff;border:none;font-size:9px;line-height:1;cursor:pointer;display:none;align-items:center;justify-content:center;padding:0}.step-item:hover .step-delete-btn{display:flex}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:32px;width:480px;max-width:90vw;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}.modal-title{font-size:20px;font-weight:700;margin-bottom:20px}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.toast-container{position:fixed;top:20px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;display:flex;align-items:center;gap:10px;animation:slideIn .3s ease;min-width:300px;box-shadow:0 8px 32px #0006}.toast-success{background:#10b981e6;color:#fff}.toast-error{background:#ef4444e6;color:#fff}.toast-info{background:#3b82f6e6;color:#fff}.sim-preview{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}.sim-led{width:30px;height:30px;border-radius:50%;border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--text-muted);background:var(--bg-input);transition:all .15s ease}.sim-led.active{background:var(--led-on);border-color:var(--led-on);color:#fff;box-shadow:var(--led-glow)}.sim-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.sim-header-inner{display:flex;flex-direction:column;align-items:flex-start;gap:12px;width:100%}.sim-preview{display:grid;grid-template-columns:repeat(8,auto);justify-content:center;gap:8px;margin-top:16px}@media (min-width: 768px){.sim-preview{grid-template-columns:repeat(16,auto)}}.sim-mode-toggle{display:flex;gap:0;border:1px solid var(--border-color);border-radius:var(--radius-xs);overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none}.sim-mode-toggle::-webkit-scrollbar{display:none}.sim-mode-btn{padding:4px 10px;font-size:11px;font-weight:600;border:none;background:var(--bg-input);color:var(--text-muted);cursor:pointer;transition:var(--transition-fast);font-family:inherit;flex:0 0 auto}.sim-mode-btn:hover{color:var(--text-primary)}.sim-mode-btn.active{background:var(--accent-primary);color:#fff}.step-timeline{display:flex;gap:4px;flex-wrap:wrap}.step-item{width:32px;height:32px;border-radius:var(--radius-xs);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--text-muted);cursor:pointer;transition:var(--transition-fast)}.step-item:hover{border-color:var(--accent-primary);color:var(--text-primary)}.step-item.active{border-color:var(--accent-primary);background:#3b82f626;color:var(--accent-primary)}.step-item.selected{border-color:var(--color-success);background:#10b98133;color:var(--color-success);box-shadow:0 0 8px #10b9814d}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}@keyframes 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20px;position:sticky;top:0;z-index:80}.mobile-menu-btn{background:none;border:none;color:var(--text-primary);font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center}.main-content{margin-left:0;padding:20px}.form-row{grid-template-columns:1fr}}@media (max-width: 799px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 500px){.sim-led{width:28px;height:28px;font-size:9px}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-card{padding:16px 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