:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-card: #1a1a25;--bg-card-hover: #22222f;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: #2a2a3a;--success: #22c55e;--error: #ef4444;--warning: #f59e0b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.loading-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-primary)}.loading-spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(ellipse at top,#1a1a2e 0%,var(--bg-primary) 50%)}.auth-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;padding:40px;width:100%;max-width:420px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 25px 50px -12px #00000080}.auth-logo{text-align:center;margin-bottom:30px}.auth-logo h1{font-size:2rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-logo p{color:var(--text-secondary);margin-top:8px}.auth-tabs{display:flex;gap:8px;margin-bottom:24px;background:var(--bg-secondary);padding:4px;border-radius:12px}.auth-tab{flex:1;padding:12px;border:none;background:transparent;color:var(--text-secondary);font-size:.95rem;font-weight:500;cursor:pointer;border-radius:8px;transition:all .2s}.auth-tab.active{background:var(--accent-gradient);color:#fff}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-size:.9rem;font-weight:500;color:var(--text-secondary)}.form-group input{width:100%;padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;color:var(--text-primary);font-size:1rem;transition:all .2s}.form-group input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f133}.btn{width:100%;padding:14px;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-primary{background:var(--accent-gradient);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 20px -10px #6366f180}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.error-message{background:#ef44441a;border:1px solid var(--error);color:var(--error);padding:12px;border-radius:8px;margin-bottom:16px;font-size:.9rem}.dashboard{min-height:100vh;background:var(--bg-primary)}.dashboard-header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:16px 32px;display:flex;align-items:center;justify-content:space-between}.dashboard-header h1{font-size:1.5rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn-logout{padding:10px 20px;background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);border-radius:8px;cursor:pointer;transition:all .2s}.btn-logout:hover{border-color:var(--error);color:var(--error)}.btn-help{width:32px;height:32px;background:var(--bg-card);border:1px solid var(--border-color);color:var(--accent-primary);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;transition:all .2s}.btn-help:hover{border-color:var(--accent-primary);box-shadow:0 0 10px #f59e0b33;transform:scale(1.05)}.dashboard-content{padding:32px;max-width:1400px;margin:0 auto}.slug-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:16px 24px;margin-bottom:16px}.slug-input-group{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.slug-input-group label{font-weight:500;color:var(--text-secondary);font-size:.9rem}.slug-input{flex:1;min-width:150px;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:.95rem}.slug-input:focus{outline:none;border-color:var(--accent-primary)}.btn-save-slug{padding:10px 20px;background:var(--accent-gradient);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.btn-save-slug:hover{transform:translateY(-1px)}.btn-save-slug:disabled{opacity:.6;cursor:not-allowed}.slug-error{color:var(--error);font-size:.85rem;margin-top:8px}.unique-links-section{margin-bottom:32px}.unique-links-section .section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.unique-links-section .section-header h2{font-size:1.2rem;font-weight:600}.create-link-form{display:flex;gap:12px;margin-bottom:16px}.create-link-form .slug-input{flex:1;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:.95rem}.unique-links-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.unique-link-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:16px}.unique-link-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.unique-link-info .slug-label{font-size:1rem;font-weight:600;color:var(--accent-primary)}.unique-link-info .tap-badge{background:var(--accent-gradient);padding:4px 10px;border-radius:12px;font-size:.8rem;font-weight:600}.unique-link-url{background:var(--bg-secondary);padding:10px 12px;border-radius:6px;font-family:monospace;font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:12px;color:var(--text-secondary)}.unique-link-actions{display:flex;gap:8px}.btn-copy{flex:1;padding:8px 16px;background:var(--accent-primary);color:#fff;border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s}.btn-copy:hover{opacity:.9}.btn-delete-small{padding:8px 12px;background:transparent;color:var(--error);border:1px solid var(--error);border-radius:6px;cursor:pointer;transition:all .2s}.btn-delete-small:hover{background:var(--error);color:#fff}.actions-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.actions-bar h2{font-size:1.3rem;font-weight:600}.btn-add{display:flex;align-items:center;gap:8px;padding:12px 24px;background:var(--accent-gradient);color:#fff;border:none;border-radius:10px;font-weight:600;cursor:pointer;transition:all .2s}.btn-add:hover{transform:translateY(-2px);box-shadow:0 10px 20px -10px #6366f180}.links-table-container{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;overflow:hidden}.links-table{width:100%;border-collapse:collapse}.links-table th,.links-table td{padding:16px 20px;text-align:left}.links-table th{background:var(--bg-secondary);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}.links-table tr{border-bottom:1px solid var(--border-color)}.links-table tr:last-child{border-bottom:none}.links-table tr:hover{background:var(--bg-card-hover)}.tap-count{color:var(--success);font-weight:600}.btn-chart{padding:8px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:6px;cursor:pointer;transition:all .2s}.btn-chart:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.btn-delete{padding:8px 12px;background:#ef44441a;border:1px solid transparent;color:var(--error);border-radius:6px;cursor:pointer;transition:all .2s;margin-left:8px}.btn-delete:hover{background:#ef444433}.btn-finish{padding:8px 12px;background:#f59e0b1a;border:1px solid transparent;color:var(--warning);border-radius:6px;cursor:pointer;transition:all .2s;margin-left:8px}.btn-finish:hover{background:#f59e0b33}.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;padding:20px}.modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;padding:32px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;animation:modalIn .3s ease}.confirm-modal{max-width:380px;text-align:center}.confirm-content h2{font-size:1.2rem;margin-bottom:12px}.confirm-content p{color:var(--text-secondary);font-size:.95rem;margin-bottom:24px}.confirm-buttons{display:flex;gap:12px;justify-content:center}.btn-cancel{padding:12px 24px;background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s}.btn-cancel:hover{background:var(--bg-card-hover);color:var(--text-primary)}.help-modal{max-width:800px;background:#0f0f15;border:1px solid #333}.help-modal .modal-header{padding:24px 30px;background:transparent;border-bottom:1px solid rgba(255,255,255,.05);display:flex;align-items:center;justify-content:space-between}.help-modal .modal-header h2{font-size:1.25rem;letter-spacing:-.5px;background:linear-gradient(to right,#fff,#999);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.help-content{padding:30px 2px}.modern-concept-card{margin-bottom:24px;position:relative;padding-left:20px}.modern-concept-card:before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:2px;background:#ffffff1a;border-radius:2px}.concept-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}.concept-number{font-family:monospace;font-size:.8rem;color:var(--accent-primary);opacity:.8;background:#f59e0b1a;padding:3px 6px;border-radius:4px}.concept-header h4{font-size:.95rem;font-weight:600;color:#fff;letter-spacing:.5px}.modern-concept-card p{color:#888;line-height:1.6;font-size:.85rem;margin:0;padding-left:4px}.modern-concept-card p strong{color:#ddd;font-weight:600}.highlight-card{background:#ffffff08;padding:20px;border-radius:16px;border:1px solid rgba(255,255,255,.05)}.highlight-card:before{display:none}.highlight-card p{padding-left:0;margin-bottom:20px}.visual-flow{display:flex;flex-direction:column;align-items:center;gap:12px;padding:16px;background:#0003;border-radius:12px;border:1px dashed rgba(255,255,255,.1)}.flow-node{background:#1a1a20;border:1px solid #333;padding:8px 16px;border-radius:8px;text-align:center;min-width:120px;box-shadow:0 4px 12px #0003;font-size:.85rem}.start-node{border-color:var(--accent-primary);color:#fff}.start-node small{display:block;font-size:.65rem;color:var(--accent-primary);margin-top:2px;text-transform:uppercase;letter-spacing:1px}.flow-arrow{height:24px;width:2px;background:linear-gradient(to bottom,var(--accent-primary),rgba(255,255,255,.2));position:relative}.split-node{display:flex;gap:8px;background:transparent;border:none;box-shadow:none;padding:0}.mini-node{background:#222;border:1px solid #444;padding:6px 10px;border-radius:6px;font-size:.75rem;color:#aaa;flex:1}.simulation-intro{text-align:center;padding:20px 0}.simulation-desc{color:var(--text-secondary);font-size:.9rem;margin-bottom:16px;font-style:italic}.simulation-container{width:100%}.simulation-status{margin-bottom:16px;min-height:24px}.typing-text{font-family:monospace;color:var(--accent-primary);font-size:.9rem}.cursor{animation:blink 1s infinite;margin-left:2px}@keyframes blink{50%{opacity:0}}.success-text{color:var(--success);font-weight:600;animation:fadeIn .5s ease}.visual-flow.simulation-active{background:#0006;border-style:solid;border-color:#ffffff1a}.flow-node.relative{position:relative;z-index:10}.flow-arrow-spacer{height:60px;width:2px;background:#ffffff1a}.flying-dot{position:absolute;width:12px;height:12px;background:var(--success);border-radius:50%;left:50%;top:100%;transform:translate(-50%);box-shadow:0 0 10px var(--success);z-index:100}.flying-dot.target-A{animation:flyToA .8s cubic-bezier(.4,0,.2,1) forwards}.flying-dot.target-B{animation:flyToB .8s cubic-bezier(.4,0,.2,1) forwards}.flying-dot.target-C{animation:flyToC .8s cubic-bezier(.4,0,.2,1) forwards}@keyframes flyToA{0%{top:100%;transform:translate(-50%) scale(1)}to{top:180%;transform:translate(-200%) scale(.5);opacity:0}}@keyframes flyToB{0%{top:100%;transform:translate(-50%) scale(1)}to{top:180%;transform:translate(-50%) scale(.5);opacity:0}}@keyframes flyToC{0%{top:100%;transform:translate(-50%) scale(1)}to{top:180%;transform:translate(100%) scale(.5);opacity:0}}.pulse-active{animation:pulseNode .4s ease;border-color:var(--success)!important;color:#fff!important}@keyframes pulseNode{0%{transform:scale(1)}50%{transform:scale(1.1);box-shadow:0 0 20px #22c55e4d}to{transform:scale(1)}}.node-tap-count{font-size:.7rem;color:var(--success);margin-top:4px;font-weight:600}.btn-simulate{margin-left:auto;padding:6px 12px;font-size:.8rem;background:#1e293b80;border:1px solid rgba(255,255,255,.1);color:var(--accent-primary);border-radius:6px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:6px}.btn-simulate:hover{background:var(--accent-primary);color:#fff;border-color:transparent}.btn-close-sim{margin-top:16px;width:100%;padding:8px;background:transparent;border:1px solid rgba(255,255,255,.1);color:#888;border-radius:8px;cursor:pointer;font-size:.85rem}.btn-close-sim:hover{background:#ffffff0d;color:#fff}.btn-help-text{background:transparent;border:none;color:var(--text-secondary);font-weight:600;cursor:pointer;padding:8px 16px;font-size:.95rem;transition:all .2s;border-radius:6px}.btn-help-text:hover{color:var(--accent-primary);background:#ffffff08}.btn-logout-icon{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:8px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all .2s}.btn-logout-icon:hover{color:var(--error);background:#ef44441a}.logout-modal{max-width:400px;padding:32px;text-align:center;background:#0f0f15;border:1px solid #333}.logout-icon-wrapper{width:80px;height:80px;background:#ef44441a;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;color:var(--error)}.logout-content h3{font-size:1.5rem;margin-bottom:8px;color:#fff}.logout-content p{color:var(--text-secondary);margin-bottom:32px}.logout-actions{display:flex;gap:12px;justify-content:center}.btn-confirm-logout{padding:12px 24px;background:var(--error);border:none;color:#fff;border-radius:8px;cursor:pointer;font-weight:600;transition:all .2s}.btn-confirm-logout:hover{background:#dc2626;transform:translateY(-1px)}.modal-footer{border-top:1px solid rgba(255,255,255,.05);background:transparent;display:flex;justify-content:center;padding:24px}.modal-footer .btn-primary{width:auto;padding:12px 48px;min-width:200px}.btn-confirm{padding:12px 24px;background:var(--warning);border:none;color:#fff;border-radius:8px;cursor:pointer;font-weight:600;transition:all .2s}.btn-confirm:hover{opacity:.9}@keyframes modalIn{0%{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.modal-header h2{font-size:1.3rem;font-weight:600}.btn-close{width:36px;height:36px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:50%;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:all .2s}.btn-close:hover{border-color:var(--error);color:var(--error)}.form-group textarea{width:100%;padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;color:var(--text-primary);font-size:1rem;font-family:inherit;resize:vertical;min-height:100px;transition:all .2s}.form-group textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f133}.form-group textarea:disabled{opacity:.6;cursor:not-allowed}.form-group input:disabled{opacity:.6;cursor:not-allowed}.extracted-url{background:#22c55e1a;border:1px solid var(--success);color:var(--success);padding:12px;border-radius:8px;font-size:.85rem;word-break:break-all;margin-top:8px}.chart-container{background:var(--bg-secondary);border-radius:12px;padding:20px;margin-top:16px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state p{font-size:1.1rem;margin-bottom:8px}@media(max-width:768px){.dashboard-header{padding:16px 20px;flex-direction:row;align-items:center}.dashboard-header h1{font-size:1.25rem}.btn-logout{padding:8px 16px;font-size:.9rem}.dashboard-content{padding:20px}.slug-input-group{flex-direction:column;align-items:stretch;gap:12px}.slug-input-group label{margin-bottom:4px}.slug-input{width:100%}.btn-save-slug{width:100%;margin-top:4px;padding:12px}.unique-link-card{flex-direction:column;align-items:stretch;gap:20px;padding:20px}.unique-link-info{text-align:center}.unique-link-url{flex-direction:column;gap:12px;padding:12px;width:100%;overflow:hidden}.unique-link-url span{display:block;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;font-size:.85rem}.btn-copy{width:100%;padding:12px}.actions-bar{flex-direction:column;gap:16px;align-items:stretch;text-align:center}.btn-add{width:100%;justify-content:center}.links-table-container{border-radius:12px;overflow:hidden}.links-table{width:100%;min-width:unset}.links-table thead{display:none}.links-table tr{display:flex;flex-direction:column;padding:16px;gap:8px;border-bottom:1px solid var(--border-color)}.links-table td{display:flex;justify-content:space-between;align-items:center;padding:4px 0;text-align:right}.links-table td:before{content:attr(data-label);font-weight:600;color:var(--text-secondary);font-size:.8rem;text-transform:uppercase;text-align:left}.links-table td:last-child{justify-content:center;flex-wrap:wrap;gap:8px;margin-top:8px;padding-top:12px;border-top:1px solid var(--border-color)}.links-table td:last-child:before{display:none}.btn-chart,.btn-finish{padding:10px 16px;font-size:.85rem}.modal{padding:24px;width:90%;max-height:85vh}.help-modal{max-height:90vh}.help-modal .modal-header{padding:20px}.help-content{padding:20px 2px}.concept-card{flex-direction:column;gap:16px;padding:20px}.concept-icon{width:50px;height:50px;font-size:1.5rem}.concept-text h4{font-size:1.05rem}}.tutorial-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;z-index:9998;pointer-events:none}.tutorial-arrow-container{position:absolute;z-index:9999;display:flex;flex-direction:column;align-items:center;pointer-events:none;filter:drop-shadow(0 4px 6px rgba(0,0,0,.5))}.tutorial-text{color:#fff;background:var(--accent-primary);padding:8px 16px;border-radius:8px;font-weight:600;margin-bottom:12px;white-space:nowrap;animation:fadeIn .5s ease}.tutorial-arrow{width:40px;height:40px;color:var(--accent-primary);animation:bounceArrow 1.5s infinite}@keyframes bounceArrow{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}