:root{--primary:#4361ee;--primary-dark:#3a56d4;--success:#2ecc71;--warning:#f39c12;--danger:#e74c3c;--light:#f8f9fa;--dark:#343a40;--gray:#6c757d;--background:#f0f2f5;--card-bg:#fff;--text:#212529;--transition-speed:0.3s}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{color:var(--text);background:rgb(var(--background-rgb))}.app{text-align:center;padding:1.5rem;max-width:600px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;align-items:center;transition:background-color 2s ease}.bg-color-1{background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.bg-color-2{background:linear-gradient(135deg,#e0c3fc,#8ec5fc)}.bg-color-3{background:linear-gradient(135deg,#d4fc79,#96e6a1)}.bg-color-4{background:linear-gradient(135deg,#ffecd2,#fcb69f)}.welcome-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:var(--primary);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1000;animation:fadeOut 2s forwards}.welcome-icon{color:#fff;width:80px;height:80px;margin-bottom:1rem;animation:pulse 1s infinite alternate}.welcome-text{color:#fff;font-size:3rem;font-weight:700;letter-spacing:-1px;animation:slideUp 1s forwards;content:"MVP Run"}.header{display:flex;align-items:center;justify-content:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid rgba(0,0,0,.05);width:100%;position:relative}.logo-icon{color:var(--primary);margin-right:.5rem;stroke-width:2.5}header h1{font-size:2.5rem;font-weight:700;color:var(--primary);letter-spacing:-.5px}.content{width:100%;max-width:100%;transition:opacity var(--transition-speed)}.content.fade-out{opacity:0}.card{background:var(--card-bg);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 4px 6px rgba(0,0,0,.05);transition:transform var(--transition-speed),box-shadow var(--transition-speed);position:relative;overflow:hidden;width:100%;max-width:600px;margin-left:auto;margin-right:auto}.card:hover{transform:translateY(-5px);box-shadow:0 8px 15px rgba(0,0,0,.1)}.card-icon{position:absolute;top:1rem;right:1rem;color:var(--primary);opacity:.2;width:2rem;height:2rem}h2{font-size:1.8rem;margin-bottom:1rem}h2,h3{color:var(--dark);font-weight:600}h3{font-size:1.4rem;margin-bottom:.5rem}p{font-size:1.1rem;margin:.5rem 0;color:var(--gray)}.highlight{color:var(--primary);font-weight:700;font-size:1.3rem}.progress-container{width:100%;height:10px;background-color:#e9ecef;border-radius:5px;margin:1rem 0;overflow:hidden;position:relative}.progress-bar{height:100%;background-color:var(--primary);border-radius:5px;transition:width 1s ease-in-out}.progress-runner{position:absolute;top:-5px;width:20px;height:20px;background-color:var(--primary-dark);border-radius:50%;transition:left 1s ease-in-out;animation:bounce .8s infinite alternate}.encouragement{font-weight:600;margin-top:1rem;color:var(--success)}.weight-card{text-align:center}.current-weight{font-size:2rem;font-weight:700;color:var(--primary);margin:.5rem 0}.buttons-container{width:100%;max-width:600px;margin:1rem auto;display:flex;gap:1rem}.report-button,button{display:flex;align-items:center;justify-content:center;padding:.8rem 1.5rem;font-size:1.1rem;cursor:pointer;border:none;border-radius:50px;font-weight:600;transition:all var(--transition-speed);flex:1;text-decoration:none}.button-icon{margin-right:.5rem}.start-button{background-color:var(--primary);color:#fff}.start-button:hover{background-color:var(--primary-dark);transform:scale(1.05)}.report-button{background-color:var(--light);color:var(--primary);border:1px solid var(--primary)}.report-button:hover{background-color:var(--primary);color:#fff;transform:scale(1.05)}.stop-button{background-color:var(--danger);color:#fff;margin-top:1.5rem}.stop-button:hover{background-color:#c0392b;transform:scale(1.05)}.home,.running{display:flex;flex-direction:column;align-items:center;width:100%;animation:fadeIn .5s ease-in}.running{margin-top:1rem}.running-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;width:100%;margin:1.5rem 0}.stat-card{background-color:var(--card-bg);border-radius:12px;padding:1rem;display:flex;flex-direction:column;align-items:center;box-shadow:0 4px 6px rgba(0,0,0,.05);transition:transform var(--transition-speed)}.stat-card:hover{transform:translateY(-5px)}.stat-icon{color:var(--primary);margin-bottom:.5rem}.stat-value{font-size:1.5rem;font-weight:700;color:var(--dark)}.stat-label{font-size:.8rem;color:var(--gray)}.running-animation{width:100%;height:150px;position:relative;overflow:hidden;background:linear-gradient(180deg,#87ceeb,#f0f2f5);border-radius:12px;margin-bottom:1rem}.track{position:absolute;bottom:30px;width:200%;height:10px;background:repeating-linear-gradient(90deg,#666,#666 20px,#999 0,#999 40px);animation:moveTrack 2s linear infinite}.runner{bottom:40px;left:50px;width:20px;height:30px;border-radius:50% 50% 0 0;animation:run .5s infinite alternate}.runner,.runner:before{position:absolute;background-color:var(--primary)}.runner:before{left:0;animation:leftLeg .5s infinite alternate}.runner:after,.runner:before{content:"";width:8px;height:15px;bottom:-10px}.runner:after{position:absolute;background-color:var(--primary);right:0;animation:rightLeg .5s infinite alternate}.sun{top:20px;right:40px;width:40px;height:40px;background-color:#f39c12;border-radius:50%;box-shadow:0 0 20px #f39c12;animation:pulse 2s infinite alternate}.cloud,.sun{position:absolute}.cloud{background-color:#fff;border-radius:50px;opacity:.8}.cloud1{width:70px;height:30px;top:30px;left:20px;animation:moveCloud 15s linear infinite}.cloud2{width:50px;height:20px;top:50px;left:120px;animation:moveCloud 20s linear infinite}.floating-clouds .cloud1{position:absolute;top:20px;left:20px;animation:moveCloud 30s linear infinite}.floating-clouds .cloud2{position:absolute;top:40px;left:70%;animation:moveCloud 25s linear infinite reverse}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s}.modal-content{background-color:#fff;border-radius:12px;padding:1.5rem;width:90%;max-width:400px;box-shadow:0 10px 25px rgba(0,0,0,.1);animation:slideUp .3s}.modal-header{display:flex;align-items:center;margin-bottom:1.5rem}.modal-icon{color:var(--primary);margin-right:.8rem}.modal-header h2{margin:0;font-size:1.5rem}.weight-input-container{margin-bottom:1.5rem}.weight-slider{width:100%;margin-bottom:1rem;-webkit-appearance:none;height:8px;border-radius:4px;background:#e9ecef;outline:none}.weight-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary);cursor:pointer;transition:all .2s}.weight-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.weight-display{display:flex;align-items:center;justify-content:center;margin-top:1rem}.weight-input{width:80px;padding:.5rem;font-size:1.5rem;font-weight:700;text-align:center;border:1px solid #e9ecef;border-radius:4px;color:var(--primary)}.weight-unit{margin-left:.5rem;font-size:1.2rem;color:var(--gray)}.modal-buttons{display:flex;justify-content:flex-end;gap:1rem}.cancel-button,.confirm-button{padding:.6rem 1.2rem;border-radius:4px;font-weight:600;cursor:pointer;transition:all .2s;flex:none}.cancel-button{background-color:#e9ecef;color:var(--gray);border:none}.cancel-button:hover{background-color:#dee2e6}.confirm-button{background-color:var(--primary);color:#fff;border:none}.confirm-button:hover{background-color:var(--primary-dark)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeOut{0%{opacity:1}80%{opacity:1}to{opacity:0;visibility:hidden}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes moveTrack{0%{transform:translateX(0)}to{transform:translateX(-50%)}}@keyframes run{0%{transform:translateY(0)}to{transform:translateY(-10px)}}@keyframes leftLeg{0%{transform:rotate(-30deg)}to{transform:rotate(30deg)}}@keyframes rightLeg{0%{transform:rotate(30deg)}to{transform:rotate(-30deg)}}@keyframes moveCloud{0%{transform:translateX(-100px)}to{transform:translateX(calc(100% + 100px))}}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-5px)}}@media (max-width:600px){.app{padding:1rem}header h1{font-size:2rem}h2{font-size:1.5rem}.card{padding:1.2rem}.running-stats{grid-template-columns:1fr}.buttons-container{flex-direction:column}}.error-message{background-color:rgba(231,76,60,.1);border-left:4px solid var(--danger);color:var(--danger);padding:.8rem 1rem;margin:1rem 0;border-radius:4px;font-size:.9rem;text-align:left;max-width:100%}.neon-runner-container{width:100%;max-width:600px;height:200px;margin:0 auto 1.5rem;background-color:#16213e;overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 0 20px rgba(67,97,238,.3)}.neon-runner-gif{height:100%;width:100%;object-fit:cover;display:block}.neon-runner-container:before{content:"";position:absolute;inset:0;border-radius:12px;padding:2px;background:linear-gradient(45deg,#4361ee,#f72585);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.neon-runner-container:after,.neon-runner-container:before{display:none}.export-button-container{margin:1rem 0;width:100%}.export-button{display:flex;align-items:center;justify-content:center;width:100%;padding:.8rem;background-color:var(--primary);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease}.export-button:hover{background-color:var(--primary-dark);transform:translateY(-2px)}.export-button.loading{opacity:.7;cursor:not-allowed}.export-icon{margin-right:.5rem}@keyframes pulse{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.loading{animation:pulse 1.5s infinite}.reset-button{display:flex;align-items:center;justify-content:center;padding:.6rem 1.2rem;font-size:.9rem;cursor:pointer;border:none;border-radius:50px;font-weight:600;transition:all var(--transition-speed);background-color:var(--light);color:var(--danger);border:1px solid var(--danger);margin-top:1rem}.reset-button:hover{background-color:var(--danger);color:#fff;transform:scale(1.05)}.reset-button-icon{margin-right:.5rem}.modal-description{color:var(--gray);font-size:.95rem;line-height:1.5}.modal-description,.password-input-container{margin-bottom:1.5rem}.password-label{display:flex;align-items:center;margin-bottom:.5rem;font-size:.9rem;color:var(--dark)}.password-label span{margin-left:.5rem}.password-input{width:100%;padding:.8rem;font-size:1rem;border:1px solid #e9ecef;border-radius:4px;margin-top:.5rem}.danger-button{padding:.6rem 1.2rem;border-radius:4px;font-weight:600;cursor:pointer;transition:all .2s;background-color:var(--danger);color:#fff;border:none}.danger-button:hover{background-color:#c0392b}.motivational-phrase{font-style:italic;font-weight:500;color:var(--primary);margin:1rem 0;padding:.8rem;background-color:rgba(67,97,238,.05);border-left:3px solid var(--primary);border-radius:0 4px 4px 0;line-height:1.5;text-align:left;position:relative;max-width:100%;word-wrap:break-word;white-space:normal}.motivational-phrase:before{content:""";
  font-size: 2rem;
  position: absolute;
  left: 0.5rem;
  top: -0.5rem;
  opacity: 0.2;
  color: var(--primary);
}

.motivational-phrase::after {
  content: """;font-size:2rem;position:absolute;right:.5rem;bottom:-1.5rem;opacity:.2;color:var(--primary)}.text-danger{color:var(--danger)}.typewriter-text{display:inline-block;position:relative}.typewriter-cursor{display:inline-block;width:3px;height:1.2em;background-color:var(--primary);margin-left:2px;vertical-align:middle;animation:blink .7s infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.name-input-container{margin-bottom:1.5rem}.name-label{display:block;margin-bottom:.5rem;font-size:.9rem;color:var(--dark)}.name-input{width:100%;font-size:1rem;border:1px solid #e9ecef}.name-input,.name-preview{padding:.8rem;border-radius:4px}.name-preview{margin-top:1rem;background-color:rgba(67,97,238,.05);display:flex;align-items:center;justify-content:space-between}.preview-label{font-size:.9rem;color:var(--gray)}.preview-value{font-size:1.1rem;font-weight:600;color:var(--primary)}.customize-name-button{display:flex;align-items:center;justify-content:center;position:absolute;top:1rem;right:1rem;width:36px;height:36px;border-radius:50%;background-color:var(--light);border:1px solid rgba(67,97,238,.2);cursor:pointer;transition:all .2s ease;font-size:1.2rem;padding:0;line-height:1}.customize-name-button:hover{background-color:var(--primary);transform:rotate(45deg)}.running-motivation{background-color:hsla(0,0%,100%,.8);border-radius:8px;padding:1rem;margin:1rem 0;text-align:center;box-shadow:0 4px 6px rgba(0,0,0,.05);min-height:80px;display:flex;align-items:center;justify-content:center}.running-motivation-text{font-size:1.2rem;font-weight:500;color:var(--primary);line-height:1.5}.weight-evolution{margin-top:1rem;padding:1rem;border-radius:8px;background-color:rgba(67,97,238,.05);display:flex;align-items:center;justify-content:center;gap:.5rem}.weight-evolution-value{font-size:1.2rem;font-weight:600}.weight-evolution-value.positive{color:var(--danger)}.weight-evolution-value.negative{color:var(--success)}.weight-evolution-label{font-size:.9rem;color:var(--gray)}.running-animation-container{width:100%;height:200px;border-radius:12px;margin-bottom:1rem;overflow:hidden}.running-animation-container .neon-runner-container{height:250px;margin-bottom:2rem;border-radius:16px}.run-summary-modal{max-width:90%;width:400px;padding:1.5rem;background:#fff;border-radius:1rem;box-shadow:0 10px 25px rgba(0,0,0,.1)}.run-summary-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.run-summary-title{text-align:center;font-size:1.5rem;font-weight:600;color:var(--dark);margin:0}.run-summary-close-icon{background:none;border:none;padding:.5rem;cursor:pointer;color:var(--gray);transition:color .2s}.run-summary-close-icon:hover{color:var(--dark)}.run-summary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:1.5rem}.run-summary-mini-card{background-color:var(--light);padding:1rem;border-radius:.7rem;text-align:center;transition:transform .2s;display:flex;flex-direction:column;align-items:center;gap:.5rem;box-shadow:0 2px 4px rgba(0,0,0,.05)}.run-summary-mini-card:hover{gap:.5rem;box-shadow:0 2px 4px rgba(0,0,0,.05);transform:translateY(-2px)}.run-summary-icon{color:var(--primary);width:1.5rem;height:1.5rem}.run-summary-value{font-size:1.25rem;font-weight:600;color:var(--dark)}.run-summary-label{font-size:.875rem;color:var(--gray)}.run-summary-message{text-align:center;margin:1.5rem 0;padding:1rem;background-color:rgba(46,204,113,.1);border-radius:.5rem;border-left:4px solid var(--success)}.run-summary-buttons{display:flex;flex-direction:column;gap:.75rem}.run-summary-share{display:flex;align-items:center;justify-content:center;padding:.75rem;background-color:#25d366;color:#fff;border:none;border-radius:.5rem;font-weight:600;cursor:pointer;transition:all .2s}.run-summary-share:hover{background-color:#128c7e;transform:translateY(-2px)}.run-summary-close{display:flex;align-items:center;justify-content:center;padding:.75rem;background-color:var(--light);color:var(--gray);border:none;border-radius:.5rem;font-weight:600;cursor:pointer;transition:all .2s}.run-summary-close:hover{background-color:var(--gray);color:#fff}@media (max-width:480px){.run-summary-modal{width:95%;padding:1rem}.run-summary-grid{grid-template-columns:1fr}.run-summary-value{font-size:1.125rem}}@media (max-width:600px){.neon-runner-container{height:180px}.running-animation-container .neon-runner-container{height:200px}}@media (min-width:601px){.app{padding:2rem}.header{margin-bottom:3rem}.card{padding:2rem}.neon-runner-container{height:250px}}.language-switcher{position:absolute;top:1rem;left:1rem;z-index:100}.language-button{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background-color:var(--card-bg);color:var(--primary);border:1px solid rgba(67,97,238,.2);cursor:pointer;transition:all .2s ease;font-size:1.2rem}.language-button:hover{background-color:var(--primary);color:#fff;transform:rotate(15deg)}.language-flag{font-size:1.2rem}.language-dropdown{position:absolute;top:45px;left:0;background-color:var(--card-bg);border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.1);overflow:hidden;width:120px;z-index:1000;animation:fadeIn .2s ease-in-out}.language-option{display:flex;align-items:center;width:100%;padding:8px 12px;text-align:left;background:none;border:none;cursor:pointer;font-size:.9rem;transition:background-color .2s}.language-option:hover{background-color:rgba(67,97,238,.1)}.language-option.active{background-color:rgba(67,97,238,.2);font-weight:600;color:var(--primary)}.language-flag-option{margin-right:8px;font-size:1.1rem}.manual-button{display:flex;align-items:center;justify-content:center;padding:.6rem 1.2rem;font-size:.9rem;cursor:pointer;border:none;border-radius:50px;font-weight:600;transition:all var(--transition-speed);background-color:var(--light);color:var(--primary);border:1px solid var(--primary);margin-top:1rem;text-decoration:none}.manual-button:hover{background-color:var(--primary);color:#fff;transform:scale(1.05)}.manual-button-icon{margin-right:.5rem}.visit-counter{position:fixed;bottom:10px;right:10px;transform:scale(.8);opacity:.7;z-index:9999;transition:opacity .3s ease}.visit-counter:hover{opacity:1}