*{box-sizing:border-box}html{overflow-x:hidden}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#0f0a2e;background-color:#f5f3ff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#747bff}body{margin:0;min-width:320px;min-height:100vh;overflow-x:hidden;max-width:100vw}#root{width:100%;min-height:100vh;overflow-x:hidden}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#fff;color:#0f0a2e;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.modal-backdrop{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease-out}.modal-content{background:#1a1a1a;border-radius:16px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #00000080;border:1px solid rgba(255,255,255,.1);animation:slideUp .3s ease-out}.modal-wide{max-width:700px}.modal-header{padding:1.5rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between}.modal-header h2{margin:0;font-size:1.5rem;color:#fff}.close-button{background:transparent;border:none;color:#fff;font-size:2rem;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all .2s ease;line-height:1}.close-button:hover{background:#ffffff1a}.modal-body{padding:1.5rem}.form-group{margin-bottom:1.5rem}.form-group:last-child{margin-bottom:0}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}@media(max-width:767px){.form-row{grid-template-columns:1fr;gap:0}.form-row .form-group{margin-bottom:1.5rem}}.form-group label{display:block;margin-bottom:.5rem;color:#fff;font-weight:500;font-size:.95rem}.required{color:#ef4444}.form-group input,.form-group textarea{width:100%;padding:.75rem;background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:8px;color:#fff;font-size:1rem;font-family:inherit;transition:all .3s ease;box-sizing:border-box}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#667eea;background:#ffffff14}.form-group input.error,.form-group textarea.error{border-color:#ef4444}.form-group textarea{resize:vertical;min-height:80px}.error-message{display:block;margin-top:.5rem;color:#ef4444;font-size:.875rem}.field-hint{display:block;margin-top:.5rem;color:#fff9;font-size:.875rem;font-style:italic}.date-display{padding:.75rem;background:#667eea1a;border-radius:8px;color:#667eea;font-weight:600;font-size:1rem}.icon-picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(45px,1fr));gap:.5rem;margin-top:.75rem;padding:.75rem;background:#ffffff08;border-radius:8px;border:1px solid rgba(255,255,255,.05)}.icon-button{background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:8px;padding:.5rem;font-size:1.5rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;aspect-ratio:1}.icon-button:hover{background:#667eea33;border-color:#667eea;transform:scale(1.1)}.icon-button:active{transform:scale(.95)}@media(max-width:767px){.icon-picker{grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:.4rem;padding:.5rem}.icon-button{font-size:1.25rem;padding:.4rem}}.modal-footer{padding:1.5rem;border-top:1px solid rgba(255,255,255,.1);display:flex;gap:1rem;justify-content:flex-end}.cancel-button,.save-button{padding:.75rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;border:none}.cancel-button{background:#ffffff1a;color:#fff}.cancel-button:hover{background:#ffffff26}.save-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.save-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.save-button:active{transform:translateY(0)}@media(max-width:767px){.modal-content{max-height:95vh}.modal-header h2{font-size:1.25rem}.modal-body,.modal-header,.modal-footer{padding:1rem}.modal-footer{flex-direction:column}.cancel-button,.save-button{width:100%}}.program-menu{position:relative;display:inline-block}.menu-button{background:#ffffff1a;border:none;padding:.5rem;border-radius:8px;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center}.menu-button:hover{background:#fff3}.hamburger{display:flex;flex-direction:column;gap:4px;width:24px;height:24px;justify-content:center}.hamburger span{display:block;width:100%;height:2px;background:#fff;border-radius:2px;transition:all .3s ease}.menu-dropdown{position:absolute;top:calc(100% + .5rem);right:0;background:#1a1a1a;border:1px solid rgba(255,255,255,.1);border-radius:12px;min-width:200px;box-shadow:0 8px 24px #0000004d;overflow:hidden;z-index:100;animation:slideDown .2s ease-out}.menu-item{width:100%;padding:.875rem 1rem;background:transparent;border:none;color:#fff;font-size:.95rem;cursor:pointer;display:flex;align-items:center;gap:.75rem;transition:all .2s ease;text-align:left}.menu-item:hover{background:#ffffff0d}.edit-item{color:#667eea}.edit-item:hover{background:#667eea1a}.delete-item{color:#ef4444}.delete-item:hover{background:#ef44441a}.backup-item{color:#4ade80}.backup-item:hover{background:#4ade801a}.restore-item{color:#60a5fa}.restore-item:hover{background:#60a5fa1a}.export-item{color:#a78bfa}.export-item:hover{background:#a78bfa1a}.import-item{color:#60a5fa}.import-item:hover{background:#60a5fa1a}.menu-icon{font-size:1.25rem;display:flex;align-items:center;justify-content:center;width:24px}@media(max-width:767px){.menu-dropdown{min-width:180px}.menu-item{padding:.75rem .875rem;font-size:.9rem}}.language-selector{position:relative;display:inline-block}.language-button{background:#fff3;border:none;color:#fff;padding:.6rem 1rem;border-radius:8px;cursor:pointer;font-size:.95rem;font-weight:500;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;gap:.5rem}.language-button:hover{background:#ffffff4d}.flag{font-size:1.25rem}.lang-code{font-weight:600;letter-spacing:.05em}.language-dropdown{position:absolute;top:calc(100% + .5rem);left:0;background:#1a1a1a;border:1px solid rgba(255,255,255,.1);border-radius:12px;min-width:180px;box-shadow:0 8px 24px #0000004d;overflow:hidden;z-index:100;animation:slideDown .2s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.language-option{width:100%;padding:.875rem 1rem;background:transparent;border:none;color:#fff;font-size:.95rem;cursor:pointer;display:flex;align-items:center;gap:.75rem;transition:all .2s ease;text-align:left}.language-option:hover{background:#ffffff0d}.language-option.active{background:#667eea33;color:#667eea}.lang-name{flex:1}.check{color:#4ade80;font-weight:700}@media(max-width:767px){.language-button{padding:.5rem .75rem;font-size:.9rem}.flag{font-size:1.1rem}.language-dropdown{min-width:160px}.language-option{padding:.75rem .875rem;font-size:.9rem}}.confirm-modal-backdrop{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:10000;padding:1rem;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.confirm-modal-content{background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:16px;border:1px solid rgba(102,126,234,.3);max-width:450px;width:100%;box-shadow:0 20px 60px #00000080;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.confirm-modal-header{padding:1.5rem;border-bottom:1px solid rgba(255,255,255,.1)}.confirm-modal-header h2{margin:0;color:#fff;font-size:1.25rem;font-weight:600}.confirm-modal-body{padding:1.5rem}.confirm-modal-body p{margin:0;color:#a5b4fc;font-size:1rem;line-height:1.6}.confirm-modal-footer{padding:1rem 1.5rem;display:flex;gap:.75rem;justify-content:flex-end;border-top:1px solid rgba(255,255,255,.1)}.confirm-cancel-button,.confirm-confirm-button{padding:.75rem 1.5rem;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s ease;border:none}.confirm-cancel-button{background:#ffffff1a;color:#a5b4fc;border:1px solid rgba(255,255,255,.2)}.confirm-cancel-button:hover{background:#ffffff26;color:#fff}.confirm-confirm-button{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;box-shadow:0 4px 12px #ef44444d}.confirm-confirm-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ef444466}.confirm-confirm-button:active{transform:translateY(0)}@media(max-width:480px){.confirm-modal-content{max-width:calc(100% - 2rem)}.confirm-modal-header h2{font-size:1.1rem}.confirm-modal-body p{font-size:.95rem}.confirm-modal-footer{flex-direction:column}.confirm-cancel-button,.confirm-confirm-button{width:100%}}.share-modal{max-width:600px}.share-info{text-align:center}.program-name-display{padding:1rem;background:#667eea1a;border-radius:12px;margin-bottom:2rem;font-size:1.25rem;color:#667eea}.pin-display-section{margin:2rem 0}.instruction{font-size:1.1rem;margin-bottom:1.5rem;color:#a5b4fc}.peer-id-display{margin:2rem 0;padding:1.5rem;background:#ffffff0d;border:2px solid rgba(102,126,234,.3);border-radius:12px}.peer-id-code{display:block;font-family:Courier New,monospace;font-size:.9rem;color:#667eea;word-break:break-all;line-height:1.5;font-weight:700;animation:slideIn .3s ease-out}@keyframes slideIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.copy-pin-button{margin:1.5rem 0;padding:.75rem 1.5rem;background:#ffffff1a;border:2px solid rgba(255,255,255,.2);border-radius:8px;color:#fff;font-size:1rem;cursor:pointer;transition:all .3s ease}.copy-pin-button:hover{background:#ffffff26;transform:translateY(-2px)}.copy-pin-button.copied{background:linear-gradient(135deg,#4ade80,#22c55e);border-color:#4ade80}.waiting-text{margin-top:1.5rem;font-size:1.1rem;color:#818cf8;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.status-display{margin:2rem 0;padding:2rem;background:#ffffff0d;border-radius:12px}.spinner{width:50px;height:50px;margin:0 auto 1rem;border:4px solid rgba(102,126,234,.2);border-top-color:#667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status-display p{font-size:1.1rem;font-weight:500;margin:.5rem 0}.status-display.success{background:#4ade801a;border:2px solid rgba(74,222,128,.3)}.status-display.error{background:#ef44441a;border:2px solid rgba(239,68,68,.3)}.success-icon{width:60px;height:60px;margin:0 auto 1rem;background:#4ade80;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;animation:scaleIn .5s ease-out}@keyframes scaleIn{0%{transform:scale(0)}to{transform:scale(1)}}.progress-bar{width:100%;height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden;margin-top:1rem}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);transition:width .3s ease}.retry-button{margin-top:1rem;padding:.75rem 1.5rem;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.retry-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.info-box{margin-top:2rem;padding:1.5rem;background:#667eea0d;border-radius:12px;border:1px solid rgba(102,126,234,.2);text-align:left}.info-text{margin:0 0 .75rem;color:#818cf8;font-size:.95rem}.info-list{margin:0;padding-left:1.5rem;list-style:disc}.info-list li{margin:.5rem 0;color:#ffffffb3;font-size:.9rem;line-height:1.5}.pin-input-section,.pin-input-container{margin:2rem 0}.peer-id-input{width:100%;padding:1rem;font-size:.9rem;background:#ffffff0d;border:2px solid rgba(102,126,234,.3);border-radius:12px;color:#fff;font-family:Courier New,monospace}.peer-id-input:focus{outline:none;border-color:#667eea;background:#ffffff14;box-shadow:0 0 20px #667eea4d}.connect-button{margin-top:1.5rem;padding:.75rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #667eea4d}.connect-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.received-program-info{margin-top:1.5rem;padding:1.5rem;background:#667eea1a;border-radius:12px;text-align:left}.program-name-received{margin:0 0 .5rem;color:#667eea;font-size:1.1rem}.program-desc-received{margin:0;color:#a5b4fc;font-size:.95rem}.qr-code-container{display:flex;justify-content:center;margin:2rem 0;padding:1.5rem;background:#fff;border-radius:16px;box-shadow:0 4px 12px #0000001a}.qr-buttons{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1rem 0}.scan-qr-button{padding:1.25rem 1rem;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:12px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #667eea4d}.scan-qr-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}@media(max-width:767px){.qr-buttons{grid-template-columns:1fr}}.scanner-section{margin:2rem 0}.qr-scanner{margin:1.5rem 0;border-radius:12px;overflow:hidden;border:2px solid rgba(102,126,234,.3)}.simple-share-section{margin:2rem 0}.copy-button-large{width:100%;padding:1.25rem 2rem;margin:1rem 0;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:12px;color:#fff;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #667eea4d}.copy-button-large:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.copy-button-large.copied{background:linear-gradient(135deg,#4ade80,#22c55e)}.code-preview{margin:1.5rem 0;padding:1rem;background:#ffffff0d;border:1px solid rgba(102,126,234,.2);border-radius:8px;word-break:break-all}.code-preview code{font-family:Courier New,monospace;font-size:.75rem;color:#818cf8;line-height:1.5}.code-info{display:block;margin-top:.5rem;color:#ffffff80;font-size:.85rem}.code-input-section{margin:2rem 0}.code-input{width:100%;padding:1rem;background:#ffffff0d;border:2px solid rgba(102,126,234,.3);border-radius:12px;color:#fff;font-family:Courier New,monospace;font-size:.85rem;line-height:1.5;resize:vertical;box-sizing:border-box}.code-input:focus{outline:none;border-color:#667eea;background:#ffffff14;box-shadow:0 0 20px #667eea4d}.error-text{margin:1rem 0;padding:.75rem;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;color:#ef4444;font-size:.9rem}@media(max-width:767px){.peer-id-code{font-size:.75rem}.peer-id-input{font-size:.8rem}.share-modal{max-width:100%}.code-preview code{font-size:.65rem}.code-input{font-size:.75rem}}.home{min-height:100vh;display:flex;flex-direction:column;text-align:center}.home-header{padding:1.5rem 1rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 6px #0000001a}@media(min-width:768px){.home-header{padding:2rem 1rem}}.header-top{display:grid;grid-template-columns:1fr auto 1fr;align-items:start;gap:1rem}.header-left{display:flex;justify-content:flex-start}.header-center{display:flex;flex-direction:column;align-items:center;text-align:center}.header-menu{display:flex;justify-content:flex-end}.logo{width:60px;height:60px;background:#fff3;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0000001a}@media(min-width:768px){.logo{width:80px;height:80px;font-size:3rem}}.home-header h1{margin:.5rem 0;font-size:1.75rem;text-shadow:2px 2px 4px rgba(0,0,0,.2)}@media(min-width:768px){.home-header h1{font-size:2.5rem}.logo{width:100px;height:100px;font-size:3.5rem}}@media(min-width:1200px){.home-header h1{font-size:3rem}}.home-main{flex:1;width:100%;margin:0 auto;padding:1rem}@media(min-width:768px){.home-main{padding:2rem}}@media(min-width:1400px){.home-main{max-width:1400px;padding:3rem}}@media(min-width:1800px){.home-main{max-width:1600px;padding:4rem}}.programs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;padding:1rem 0}@media(min-width:768px){.programs-grid{grid-template-columns:repeat(2,1fr);gap:2rem}}@media(min-width:1200px){.programs-grid{grid-template-columns:repeat(3,1fr);gap:2rem}}@media(min-width:1600px){.programs-grid{grid-template-columns:repeat(4,1fr);gap:2.5rem}}.program-button{background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:16px;padding:2rem;cursor:pointer;transition:all .3s ease;text-align:center;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.program-button:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#667eea1a,#764ba21a);opacity:0;transition:opacity .3s ease}.program-button:hover:before{opacity:1}.program-button:hover{border-color:#667eea;transform:translateY(-4px);box-shadow:0 8px 24px #667eea4d}.program-button:active{transform:translateY(-2px)}.program-icon{font-size:4rem;margin-bottom:1rem;position:relative;z-index:1}.program-name{margin:.5rem 0;font-size:1.5rem;color:#818cf8;position:relative;z-index:1;font-weight:600}.program-description{margin:.5rem 0;font-size:.95rem;color:#818cf8d9;line-height:1.5;position:relative;z-index:1}.program-arrow{margin-top:1rem;font-size:1.5rem;opacity:.6;transition:all .3s ease;position:relative;z-index:1}.program-button:hover .program-arrow{opacity:1;transform:translate(4px)}.add-program-button{border-style:dashed;border-width:2px;opacity:.7}.add-program-button:hover{opacity:1;border-style:dashed}.add-program-button .program-icon{font-size:3.5rem}.add-program-button .program-name{color:#667eea}.add-program-button .program-description{opacity:.6}.home-footer{padding:2rem 1rem;background:linear-gradient(135deg,#667eea1a,#764ba21a);border-top:1px solid rgba(102,126,234,.2)}.footer-content{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap}.footer-author{display:flex;align-items:center;gap:.5rem}.author-label{color:#a5b4fccc;font-size:.9rem}.author-name{color:#667eea;font-weight:600;font-size:1rem}.footer-divider{color:#a5b4fc80;font-size:.9rem}.footer-tech{color:#a5b4fcb3;font-size:.9rem}.footer-version{display:flex;align-items:center;gap:.5rem}.version-label{color:#a5b4fccc;font-size:.9rem}.version-number{color:#667eea;font-weight:600;font-size:.95rem;font-family:Courier New,monospace}@media(max-width:767px){.footer-content{flex-direction:column;gap:.5rem}.footer-divider{display:none}}@media(max-width:767px){.programs-grid{grid-template-columns:1fr;gap:1rem}.program-button{padding:1.5rem}.program-icon{font-size:3rem}.program-name{font-size:1.25rem}}.week-selection{min-height:100vh;display:flex;flex-direction:column}.selection-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 1rem 2rem;box-shadow:0 4px 6px #0000001a;position:relative}@media(min-width:768px){.selection-header{padding:1.5rem 1rem 3rem}}.selection-header h1{margin:.5rem 0;font-size:1.75rem;text-shadow:2px 2px 4px rgba(0,0,0,.2)}@media(min-width:768px){.selection-header h1{font-size:2.5rem}}.program-description{margin:1rem auto;font-size:1rem;color:#a5b4fc;max-width:600px}@media(min-width:768px){.program-description{font-size:1.1rem}}.week-count{margin-top:.75rem;font-size:.95rem;color:#a5b4fc;font-weight:500}.selection-main{flex:1;max-width:1000px;width:100%;margin:0 auto;padding:1.5rem 1rem}@media(min-width:768px){.selection-main{padding:3rem 2rem}}@media(min-width:1200px){.selection-main{max-width:1200px;padding:4rem 3rem}}.weeks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:1rem}@media(min-width:768px){.weeks-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1.5rem}}@media(min-width:1200px){.weeks-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:2rem}}.week-button{background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:16px;padding:2rem 1.5rem;cursor:pointer;transition:all .3s ease;text-align:center;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;align-items:center;gap:.5rem}.week-button:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#667eea1a,#764ba21a);opacity:0;transition:opacity .3s ease}.week-button:hover:before{opacity:1}.week-button:hover{border-color:#667eea;transform:translateY(-4px);box-shadow:0 8px 24px #667eea4d}.week-button:active{transform:translateY(-2px)}.week-number{font-size:2.5rem;font-weight:700;color:#667eea;position:relative;z-index:1;line-height:1}@media(min-width:768px){.week-number{font-size:3rem}}.week-label{font-size:1.25rem;font-weight:600;color:#818cf8;position:relative;z-index:1}@media(min-width:768px){.week-label{font-size:1.5rem}}.week-arrow{margin-top:.5rem;font-size:1.25rem;opacity:.6;transition:all .3s ease;position:relative;z-index:1}.week-button:hover .week-arrow{opacity:1;transform:translate(4px)}.week-desc{font-size:.85rem;opacity:.7;margin-top:.25rem;position:relative;z-index:1}.week-icon{font-size:2.5rem;position:relative;z-index:1}@media(min-width:768px){.week-icon{font-size:3rem}}.add-week-button{border-style:dashed;border-width:2px;opacity:.7}.add-week-button:hover{opacity:1;border-style:dashed}.add-week-button .week-label{color:#667eea}.selection-container{max-width:800px;margin:2rem auto;padding:2rem;text-align:center}@media(max-width:767px){.week-button{padding:1.5rem 1rem}.week-number{font-size:2rem}.weeks-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}}.training-detail{min-height:100vh;display:flex;flex-direction:column}.clickable-title{cursor:pointer;transition:all .2s ease}.clickable-title:hover{color:#a5b4fc;transform:scale(1.02)}.clickable-description{cursor:pointer;transition:all .2s ease}.clickable-description:hover{color:#fff;transform:scale(1.02)}.exercises-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}@media(min-width:768px){.exercises-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem}}@media(min-width:1200px){.exercises-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:2rem}}.exercise-button{background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:16px;padding:1.5rem 1rem;cursor:pointer;transition:all .3s ease;text-align:center;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;align-items:center;gap:.5rem;min-height:160px}.exercise-button:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#667eea1a,#764ba21a);opacity:0;transition:opacity .3s ease}.exercise-button:hover:before{opacity:1}.exercise-button:hover{border-color:#667eea;transform:translateY(-4px);box-shadow:0 8px 24px #667eea4d}.exercise-button:active{transform:translateY(-2px)}.exercise-button.completed-today{background:#4ade801a;border-color:#4ade8066}.exercise-button.completed-today:before{background:linear-gradient(135deg,#4ade8026,#22c55e26)}.exercise-button.completed-today:hover{border-color:#4ade80;box-shadow:0 8px 24px #4ade804d}.exercise-button.completed-today .exercise-name-large{color:#4ade80}.checkmark{color:#4ade80;font-weight:700;font-size:1.3em}.exercise-number-badge{font-size:1.5rem;font-weight:700;color:#667eea;position:relative;z-index:1;line-height:1}.exercise-name-large{font-size:1.25rem;font-weight:700;color:#667eea;position:relative;z-index:1;margin:0}@media(min-width:768px){.exercise-name-large{font-size:1.5rem}}.exercise-number-small{font-size:.85rem;font-weight:600;color:#818cf8;position:relative;z-index:1;opacity:.8}.exercise-name{font-size:1rem;font-weight:600;color:#818cf8;position:relative;z-index:1;margin:.25rem 0}.exercise-info{display:flex;flex-direction:column;gap:.25rem;position:relative;z-index:1}.exercise-reps{font-size:.85rem;color:#a5b4fc;position:relative;z-index:1;margin:0;font-weight:500}.exercise-working{font-size:.85rem;color:#818cf8;position:relative;z-index:1;margin:0;font-weight:500}.exercise-info .info-label{color:#a5b4fcb3;font-size:.75rem;font-weight:400}.exercise-partie{font-size:.85rem;color:#a5b4fc;position:relative;z-index:1;margin:0;font-weight:500}.exercise-description{font-size:.8rem;color:#818cf8b3;position:relative;z-index:1;margin:.25rem 0 0;line-height:1.3}.exercise-arrow{margin-top:auto;padding-top:.5rem;font-size:1.25rem;opacity:.6;transition:all .3s ease;position:relative;z-index:1}.exercise-button:hover .exercise-arrow{opacity:1;transform:translate(4px)}.exercise-icon{font-size:2rem;position:relative;z-index:1}.add-exercise-button{border-style:dashed;border-width:2px;opacity:.7}.add-exercise-button:hover{opacity:1;border-style:dashed}.add-exercise-button .exercise-name{color:#667eea}@media(max-width:767px){.exercises-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.exercise-button{padding:1.25rem .75rem;min-height:140px}}.stopwatch-container{width:100%;display:flex;flex-direction:column;align-items:center;gap:2rem;padding:2rem 0}.stopwatch-display{display:flex;align-items:center;justify-content:center;gap:1rem;background:#ffffff0d;border:2px solid rgba(102,126,234,.3);border-radius:20px;padding:2rem 3rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #667eea33}@media(max-width:767px){.stopwatch-display{padding:1.5rem 2rem;gap:.75rem}}.time-group{display:flex;flex-direction:column;align-items:center;gap:.25rem}.time-value{font-size:4rem;font-weight:700;color:#667eea;line-height:1;font-variant-numeric:tabular-nums;text-shadow:0 0 20px rgba(102,126,234,.5)}@media(max-width:767px){.time-value{font-size:2.5rem}}.time-label{font-size:.875rem;color:#a5b4fccc;font-weight:500;text-transform:uppercase;letter-spacing:.05em}@media(max-width:767px){.time-label{font-size:.75rem}}.time-separator{font-size:3rem;font-weight:700;color:#667eea;opacity:.5;line-height:1;margin:0 .5rem}@media(max-width:767px){.time-separator{font-size:2rem;margin:0 .25rem}}.stopwatch-controls{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.stopwatch-button{padding:1rem 2.5rem;border-radius:12px;border:none;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;min-width:140px}@media(max-width:767px){.stopwatch-button{flex:1;min-width:120px;padding:.875rem 1.5rem;font-size:1rem}}.start-btn{background:linear-gradient(135deg,#4ade80,#22c55e);color:#fff;box-shadow:0 4px 12px #4ade804d}.start-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4ade8066}.stop-btn{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff;box-shadow:0 4px 12px #fbbf244d}.stop-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #fbbf2466}.reset-btn{background:#ffffff1a;color:#a5b4fc;border:2px solid rgba(165,180,252,.3)}.reset-btn:hover{background:#ffffff26;border-color:#a5b4fc}.stopwatch-button:active{transform:translateY(0)}.stopwatch-info{background:#667eea1a;border-radius:12px;padding:1rem 2rem;border:1px solid rgba(102,126,234,.2)}.time-info{margin:0;color:#818cf8;font-size:1rem}.time-info strong{color:#667eea;font-size:1.1rem}.program-detail{min-height:100vh;display:flex;flex-direction:column}.detail-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 1rem 2rem;box-shadow:0 4px 6px #0000001a;position:relative}@media(min-width:768px){.detail-header{padding:1.5rem 1rem 3rem}}.header-nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.back-button{background:#fff3;border:none;color:#fff;padding:.75rem 1.5rem;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.back-button:hover{background:#ffffff4d;transform:translate(-2px)}.program-header-content{text-align:center;margin-top:1.5rem}@media(min-width:768px){.program-header-content{margin-top:2rem}}.program-icon-large{font-size:3.5rem;margin-bottom:1rem}@media(min-width:768px){.program-icon-large{font-size:5rem}}.detail-header h1{margin:.5rem 0;font-size:1.75rem;text-shadow:2px 2px 4px rgba(0,0,0,.2)}@media(min-width:768px){.detail-header h1{font-size:2.5rem}}.detail-header .program-description{margin:1rem auto;font-size:1rem;color:#a5b4fc;max-width:600px}@media(min-width:768px){.detail-header .program-description{font-size:1.1rem}}.week-badge{display:inline-block;margin:1rem auto 0;padding:.5rem 1.5rem;background:#fff3;border-radius:20px;font-size:.95rem;font-weight:600;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@media(min-width:768px){.week-badge{font-size:1.1rem;padding:.6rem 1.8rem}}.week-description{margin:.75rem auto 0;font-size:.9rem;color:#a5b4fc;max-width:600px}@media(min-width:768px){.week-description{font-size:1rem}}.detail-main{flex:1;max-width:1000px;width:100%;margin:0 auto;padding:1.5rem 1rem}@media(min-width:768px){.detail-main{padding:3rem 2rem}}@media(min-width:1200px){.detail-main{max-width:1200px;padding:4rem 3rem}}.info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}@media(min-width:768px){.info-cards{grid-template-columns:repeat(2,1fr);gap:2rem}}.info-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1.5rem;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.info-icon{font-size:2rem;margin-bottom:.5rem}.info-label{font-size:.9rem;opacity:.7;margin-bottom:.5rem}.info-value{font-size:1.25rem;font-weight:600;color:#667eea}.content-section{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@media(min-width:768px){.content-section{padding:2rem;margin-bottom:2rem}}.content-section h2{margin-top:0;margin-bottom:1.5rem;color:#667eea;font-size:1.5rem}@media(min-width:1200px){.content-section{padding:2.5rem}.content-section h2{font-size:1.75rem}}.exercises-list{list-style:none;padding:0;margin:0}.exercise-item{padding:1rem;margin-bottom:.75rem;background:#646cff1a;border-radius:8px;display:flex;align-items:center;gap:1rem;transition:all .3s ease}.exercise-item:hover{background:#646cff33;transform:translate(4px)}.exercise-number{background:#667eea;color:#fff;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.tips-list{list-style:none;padding:0;margin:0}.tip-item{padding:1rem;margin-bottom:.75rem;background:#facc151a;border-radius:8px;border-left:4px solid #facc15;transition:all .3s ease}.tip-item:hover{background:#facc1526;transform:translate(4px)}.start-button{width:100%;padding:1.5rem;font-size:1.25rem;font-weight:600;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #667eea4d}.start-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.start-button:active{transform:translateY(0)}.detail-container{max-width:800px;margin:2rem auto;padding:2rem;text-align:center}.selection-title{text-align:center;margin:0 0 2rem;font-size:1.5rem;color:#667eea}@media(min-width:768px){.selection-title{font-size:2rem;margin:0 0 3rem}}.trainings-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:1rem}@media(min-width:768px){.trainings-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1.5rem}}@media(min-width:1200px){.trainings-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:2rem}}.training-button{background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:16px;padding:1.5rem 1rem;cursor:pointer;transition:all .3s ease;text-align:center;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;align-items:center;gap:.5rem}.training-button:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#667eea1a,#764ba21a);opacity:0;transition:opacity .3s ease}.training-button:hover:before{opacity:1}.training-button:hover{border-color:#667eea;transform:translateY(-4px);box-shadow:0 8px 24px #667eea4d}.training-button:active{transform:translateY(-2px)}.training-number{font-size:2rem;font-weight:700;color:#667eea;position:relative;z-index:1;line-height:1}@media(min-width:768px){.training-number{font-size:2.5rem}}.training-name{font-size:1rem;font-weight:500;color:#818cf8;position:relative;z-index:1;margin:0}@media(min-width:768px){.training-name{font-size:1.1rem}}.training-description{font-size:.85rem;color:#818cf8b3;position:relative;z-index:1;margin:0}.training-arrow{margin-top:.5rem;font-size:1.25rem;opacity:.6;transition:all .3s ease;position:relative;z-index:1}.training-button:hover .training-arrow{opacity:1;transform:translate(4px)}.training-icon{font-size:2rem;position:relative;z-index:1}@media(min-width:768px){.training-icon{font-size:2.5rem}}.add-training-button{border-style:dashed;border-width:2px;opacity:.7}.add-training-button:hover{opacity:1;border-style:dashed}.add-training-button .training-name{color:#667eea}@media(max-width:767px){.exercise-item{padding:.75rem;font-size:.9rem}.start-button{padding:1.25rem;font-size:1.1rem}.info-card{padding:1.25rem}.training-button{padding:1.25rem .75rem}.trainings-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}}.exercise-detail{min-height:100vh;display:flex;flex-direction:column}.breadcrumb{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:.9rem;flex-wrap:wrap;justify-content:center}.breadcrumb-item{color:#a5b4fccc}.clickable-breadcrumb{cursor:pointer;transition:all .2s ease}.clickable-breadcrumb:hover{color:#667eea;text-decoration:underline}.breadcrumb-separator{color:#a5b4fc80}.exercise-partie-badge{display:inline-block;margin:.5rem auto;padding:.4rem 1.2rem;background:#a5b4fc33;border-radius:20px;font-size:.9rem;font-weight:600;color:#a5b4fc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@media(min-width:768px){.exercise-partie-badge{font-size:1rem;padding:.5rem 1.5rem}}.header-training-info{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem;max-width:400px;margin-left:auto;margin-right:auto}.header-info-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem .75rem;background:#ffffff26;border-radius:6px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-info-label{color:#ffffffe6;font-size:.9rem;font-weight:500}.header-info-value{color:#fff;font-size:.95rem;font-weight:700}@media(max-width:767px){.header-training-info{max-width:320px}.header-info-item{padding:.4rem .6rem}.header-info-label,.header-info-value{font-size:.85rem}}.exercise-info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:2rem}@media(min-width:768px){.exercise-info-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.5rem}}.tip-text{margin:0;line-height:1.6;color:#854d0e}.description-box{background:#667eea1a;padding:.6rem;border-radius:8px;border-left:4px solid #667eea;max-width:600px;margin:0 auto}.description-text{margin:0;line-height:1.6;color:#4338ca;font-size:.95rem}.content-section{margin-bottom:0;max-width:600px;margin-left:auto;margin-right:auto}.content-section:last-child{margin-bottom:0}.info-card{max-width:600px;margin:0 auto;background:#ffffff08;border-radius:12px;padding:1rem;border:1px solid rgba(255,255,255,.05)}.info-section{padding:.75rem 0;border-bottom:1px solid rgba(255,255,255,.05)}.info-section:first-child{padding-top:0}.info-section:last-child{border-bottom:none;padding-bottom:0}.info-section-title{margin:0 0 .5rem;color:#4338ca;font-size:1rem;font-weight:600}.info-list{display:flex;flex-direction:column;gap:.4rem}.info-item{display:flex;justify-content:space-between;align-items:center;padding:.4rem 0}.info-label{color:#6366f1;font-size:.9rem}.info-value{color:#4338ca;font-size:.95rem;font-weight:600}.info-text{margin:0;line-height:1.6;color:#4338ca;font-size:.95rem}.example-box{background:#22c55e1a;padding:.6rem;border-radius:8px;border-left:4px solid #22c55e;max-width:600px;margin:0 auto}.example-header{color:#22c55e;font-weight:600;margin-bottom:.4rem;font-size:.95rem}.example-text{margin:0;line-height:1.6;color:#166534;font-size:.95rem}.tip-box-compact{background:#facc151a;padding:.6rem;border-radius:8px;border-left:4px solid #facc15;max-width:600px;margin:0 auto}.tip-header{color:#facc15;font-weight:600;margin-bottom:.4rem;font-size:.95rem}.tip-box{display:flex;gap:1rem;align-items:flex-start;background:#facc151a;padding:1rem;border-radius:8px;border-left:4px solid #facc15}.tip-icon{font-size:1.5rem;flex-shrink:0}.video-container{position:relative;width:100%;max-width:600px;margin:0 auto;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:12px;background:#0000004d}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border-radius:12px}@media(max-width:767px){.video-container{max-width:100%;border-radius:0;margin:0 -1rem;width:calc(100% + 2rem)}.video-container iframe{border-radius:0}}.empty-text{opacity:.5;font-style:italic;max-width:600px;margin:0 auto}.tabs-container{width:100%}.tabs-nav{display:flex;gap:.5rem;margin-bottom:2rem;border-bottom:2px solid rgba(255,255,255,.1);flex-wrap:wrap;justify-content:center}.tab-button{background:transparent;border:none;color:#818cf8;padding:1rem 1.5rem;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;border-radius:8px 8px 0 0;white-space:nowrap}.tab-button:hover{color:#a5b4fc;background:#667eea1a}.tab-button.active{color:#667eea;background:linear-gradient(135deg,#667eea33,#764ba233);box-shadow:0 -2px 8px #667eea4d;font-weight:700}.tab-content{width:100%;animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:767px){.tabs-nav{gap:.5rem;margin-bottom:1.5rem}.tab-button{flex:1 1 calc(50% - .25rem);padding:.75rem .5rem;font-size:.85rem;text-align:center}}@media(max-width:480px){.tabs-nav{gap:.4rem}.tab-button{flex:1 1 calc(50% - .2rem);padding:.7rem .4rem;font-size:.8rem}.breadcrumb{font-size:.8rem;gap:.4rem;margin-bottom:.75rem}.breadcrumb-item{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}.diary-header{display:flex;justify-content:center;align-items:center;margin-bottom:1rem;flex-wrap:wrap;gap:1rem;max-width:600px;margin-left:auto;margin-right:auto}.add-entry-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #667eea4d}.add-entry-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.add-entry-button:active{transform:translateY(0)}.diary-entries{display:flex;flex-direction:column;gap:.75rem;max-width:600px;margin:0 auto}.diary-entry{background:#ffffff0d;border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:.75rem;transition:all .3s ease;box-shadow:0 2px 4px #0000001a}.diary-entry:hover{background:#ffffff14;border-color:#667eea66;box-shadow:0 4px 8px #667eea33}.entry-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem;gap:.75rem}.entry-date-time{color:#4338ca;font-size:.85rem;font-weight:500}.delete-entry-button{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#a5b4fc;padding:.25rem .5rem;font-size:1.5rem;line-height:1;cursor:pointer;transition:all .2s ease;flex-shrink:0;border-radius:4px}.delete-entry-button:hover{background:#ef444426;border-color:#ef44444d;color:#ef4444}.entry-date{font-weight:600;color:#4338ca;font-size:.95rem}.entry-time{color:#6366f1;font-size:.875rem}.entry-content{display:flex;gap:1rem;flex-wrap:wrap;align-items:baseline}.entry-stats{display:flex;gap:1rem;flex-wrap:wrap}.entry-stat{display:flex;gap:.5rem;align-items:baseline}.entry-item{display:flex;justify-content:space-between;align-items:center}.entry-label{color:#6366f1;font-size:.85rem}.entry-value{color:#4338ca;font-weight:600;font-size:.9rem}@media(max-width:767px){.diary-header{justify-content:stretch}.add-entry-button{width:100%}.entry-header{align-items:flex-start}.delete-entry-button{padding:.4rem .6rem;font-size:.8rem}}.app{min-height:100vh;width:100%;display:flex;flex-direction:column;text-align:center}.app-header{padding:2rem 1rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 6px #0000001a}.logo-container{display:flex;justify-content:center;margin-bottom:1rem}.logo{width:80px;height:80px;background:#fff3;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:3rem;font-weight:700;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0000001a}.app-header h1{margin:.5rem 0;font-size:2.5rem;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.subtitle{margin:0;font-size:1rem;opacity:.9}.app-main{flex:1;max-width:800px;width:100%;margin:0 auto;padding:2rem 1rem}.card{background:#ffffff0d;border-radius:12px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 6px #0000001a;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card h2{margin-top:0;color:#646cff}.card p{line-height:1.6}.status-section{margin-top:1.5rem;padding:1rem;background:#646cff1a;border-radius:8px}.status-item{display:flex;justify-content:center;align-items:center;gap:1rem;flex-wrap:wrap}.status-label{font-weight:600}.status-value{padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:500}.status-value.active{background:#4ade80;color:#166534}.status-value.inactive{background:#94a3b8;color:#1e293b}.install-hint{margin-top:1rem;padding:.75rem;background:#facc151a;border-radius:6px;font-size:.9rem}.counter-button{font-size:1.2rem;padding:1rem 2rem;border-radius:8px;border:2px solid #646cff;background:#646cff;color:#fff;cursor:pointer;transition:all .3s ease;font-weight:600}.counter-button:hover{background:#535bf2;border-color:#535bf2;transform:translateY(-2px);box-shadow:0 4px 12px #646cff66}.counter-button:active{transform:translateY(0)}.hint{margin-top:1rem;font-size:.9rem;opacity:.7}.features{background:#ffffff0d;border-radius:12px;padding:2rem;box-shadow:0 4px 6px #0000001a;border:1px solid rgba(255,255,255,.1)}.features h2{margin-top:0;color:#646cff}.features ul{list-style:none;padding:0;margin:1rem 0 0}.features li{padding:.75rem;margin:.5rem 0;background:#646cff1a;border-radius:8px;font-size:1rem;text-align:left}.app-footer{padding:2rem 1rem;background:#ffffff0d;border-top:1px solid rgba(255,255,255,.1)}.app-footer p{margin:0;opacity:.7}@media(max-width:768px){.app-header h1{font-size:2rem}.logo{width:60px;height:60px;font-size:2rem}.card{padding:1.5rem}}