.credit-display{display:flex;align-items:center;gap:12px;padding:6px 12px;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:6px;cursor:pointer;text-decoration:none;transition:all .2s ease}.credit-display:hover{background:var(--bg-tertiary);border-color:var(--border-medium)}.credit-display-info{display:flex;flex-direction:column;gap:2px}.credit-display-label{font-size:.625rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;font-weight:500;line-height:1}.credit-display-amount{font-size:1.125rem;font-weight:600;line-height:1;color:var(--text-primary)}.credit-display-buy-button{font-size:.75rem;padding:6px 12px;background:var(--primary);color:#fff;border:none;border-radius:6px;font-weight:500;transition:all .2s}.credit-display-buy-button:hover{background:var(--primary-dark)}.credit-display-loading,.credit-display-error{display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:6px}.credit-display-loading{background:var(--bg-secondary);border:1px solid var(--border-light)}.credit-display-error{background:#fef2f2;border:1px solid #fecaca}.credit-display-spinner{width:16px;height:16px;border:2px solid var(--border-medium);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}.credit-display-loading-text,.credit-display-error-text{font-size:.875rem}.credit-display-loading-text{color:var(--text-secondary)}.credit-display-error-text{color:var(--danger)}.navbar{background:var(--bg-primary);border-bottom:1px solid var(--border-light);position:sticky;top:0;z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#fffc}.navbar-container{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;justify-content:space-between;align-items:center}.navbar-brand{font-size:1.25rem;font-weight:600;color:var(--text-primary);cursor:pointer;transition:color .2s;letter-spacing:-.01em}.navbar-brand:hover{color:var(--primary)}.navbar-menu{display:flex;align-items:center;gap:12px}.navbar-loading{color:var(--text-secondary);font-size:.875rem}.navbar-user{display:flex;align-items:center;margin-right:8px}.user-email{color:var(--text-secondary);font-size:.875rem;font-weight:500;padding:6px 12px;background:var(--bg-secondary);border-radius:6px;border:1px solid var(--border-light)}.navbar-button{padding:8px 16px;border:none;border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s}.navbar-button-primary{background:var(--primary);color:#fff}.navbar-button-primary:hover{background:var(--primary-dark)}.navbar-button-secondary{background:transparent;color:var(--text-secondary);border:1px solid var(--border-medium)}.navbar-button-secondary:hover{background:var(--bg-secondary);color:var(--text-primary);border-color:var(--border-dark)}@media (max-width: 640px){.navbar-container{padding:12px 16px}.navbar-brand{font-size:16px}.navbar-menu{gap:8px}.user-email{display:none}.navbar-button{padding:8px 14px;font-size:13px}}.landing-page{min-height:100vh;background:var(--bg-primary);scroll-behavior:smooth}.announcement-bar{background:var(--gray-900);color:#fff;padding:10px 20px;display:flex;justify-content:center;align-items:center;gap:16px;font-size:.9rem;flex-wrap:wrap;text-align:center}.announcement-bar span{opacity:.9;line-height:1.4}.announcement-bar button{background:transparent;color:var(--primary);border:1px solid var(--primary);padding:6px 14px;font-size:.8rem;font-weight:600;border-radius:4px;cursor:pointer;transition:all .2s ease}.announcement-bar button:hover{background:var(--primary);color:#fff}.announcement-bar button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.container{max-width:1200px;margin:0 auto;padding:0 20px}.hero{padding:100px 20px 40px;text-align:center}.wave-divider{margin-top:-1px;line-height:0;background:var(--bg-primary)}.wave-divider svg{width:100%;height:60px;display:block}.wave-divider path{fill:var(--bg-secondary)}.wave-to-white{background:var(--bg-secondary)}.wave-to-white path{fill:var(--bg-primary)}.hero-badge{display:inline-block;background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300);padding:8px 16px;border-radius:20px;font-size:.875rem;font-weight:500;margin-bottom:24px;letter-spacing:.02em}.hero-title{font-size:3.5rem;font-weight:700;line-height:1.15;margin-bottom:24px;color:var(--text-primary);letter-spacing:-.02em}.highlight{color:var(--primary)}.hero-subtitle{font-size:1.125rem;color:var(--text-secondary);max-width:650px;margin:0 auto 40px;line-height:1.6;font-weight:400}.cta-button{background:var(--primary);color:#fff;border:none;padding:14px 32px;font-size:1rem;font-weight:500;border-radius:6px;cursor:pointer;transition:all .2s ease;box-shadow:none}.cta-button:hover{background:var(--primary-dark);box-shadow:0 2px 8px #10a37f40}.cta-button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.cta-button.large{padding:20px 50px;font-size:1.25rem}.custom-solutions{padding:80px 20px;background:var(--bg-secondary)}.custom-solutions-content{display:flex;align-items:center;justify-content:space-between;gap:60px;max-width:900px;margin:0 auto}.custom-solutions-text h2{font-size:1.75rem;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.custom-solutions-text>p{color:var(--text-secondary);font-size:1rem;line-height:1.6;margin-bottom:20px}.custom-features{list-style:none;padding:0;margin:0}.custom-features li{position:relative;padding-left:24px;margin-bottom:10px;color:var(--text-secondary);font-size:.95rem}.custom-features li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:600}.custom-solutions-cta{display:flex;flex-direction:column;align-items:center;flex-shrink:0}.contact-button{background:var(--primary);color:#fff;border:none;padding:16px 40px;font-size:1.1rem;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s ease}.contact-button:hover{background:var(--primary-dark);box-shadow:0 4px 12px #10a37f4d}.contact-button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.contact-note{margin-top:12px;font-size:.85rem;color:var(--text-secondary)}.how-it-works{padding:40px 20px 20px;background:var(--bg-secondary)}.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:900px;margin:0 auto}.step-card{text-align:center;padding:24px 16px}.step-card .step-num{width:40px;height:40px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:600;margin:0 auto 16px}.step-card h3{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:8px}.step-card p{font-size:.875rem;color:var(--text-secondary);line-height:1.5}.section-title{font-size:2.25rem;font-weight:600;text-align:center;margin-bottom:16px;color:var(--text-primary);letter-spacing:-.01em}.section-subtitle{text-align:center;color:var(--text-secondary);font-size:1.1rem;margin-bottom:50px;max-width:600px;margin-left:auto;margin-right:auto}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px}.step{text-align:center;padding:30px;border-radius:12px;transition:all .3s ease;background:transparent}.step:hover{transform:translateY(-5px);background:var(--bg-primary)}.step-number{width:60px;height:60px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;margin:0 auto 20px}.step h3{font-size:1.125rem;margin-bottom:12px;color:var(--text-primary);font-weight:600}.step p{color:var(--text-secondary);line-height:1.6;font-size:.9375rem}.examples-section{padding:40px 20px 80px;background:var(--bg-secondary)}.example-showcase{max-width:900px;margin:0 auto}.example-tabs{display:flex;gap:8px;margin-bottom:24px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.example-tabs::-webkit-scrollbar{display:none}.example-tab{display:flex;align-items:center;gap:8px;padding:12px 20px;background:var(--bg-primary);border:1px solid var(--border-light);border-radius:100px;cursor:pointer;transition:all .2s ease;white-space:nowrap;flex-shrink:0}.example-tab:hover{border-color:var(--primary);background:#fff}.example-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}.example-tab-icon{font-size:1.1rem}.example-tab-title{font-size:.9rem;font-weight:500;color:var(--text-primary)}.example-tab.active .example-tab-title{color:#fff}.example-content{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:12px;padding:24px}.example-input{display:flex;gap:32px}.example-section{flex:1}.example-label{display:flex;align-items:center;gap:8px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:10px}.label-num{width:20px;height:20px;background:var(--primary);color:#fff;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600;flex-shrink:0}.chip-list{display:flex;flex-wrap:wrap;gap:6px}.file-chip{background:var(--bg-secondary);border:1px solid var(--border-light);padding:6px 10px;border-radius:6px;font-size:.8rem;color:var(--text-primary);font-family:monospace}.column-chip{background:var(--primary);color:#fff;padding:6px 10px;border-radius:6px;font-size:.8rem;font-weight:500}.example-arrow{position:relative;display:flex;align-items:center;justify-content:center;padding:16px 0}.example-arrow-label{position:absolute;left:calc(50% + 30px);display:flex;align-items:center;gap:8px}.arrow-text{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary)}.arrow-icon{font-size:2.5rem;color:var(--primary);font-weight:400;line-height:1}.example-output{background:var(--bg-secondary);border-radius:8px;padding:16px}.output-table-wrapper{overflow-x:auto}.output-table{width:100%;border-collapse:collapse;font-size:.85rem}.output-table th,.output-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border-light);white-space:nowrap}.output-table th{background:var(--bg-secondary);font-weight:600;color:var(--text-primary);font-size:.75rem;text-transform:uppercase;letter-spacing:.03em}.output-table td{color:var(--text-primary)}.output-table .file-cell{font-family:monospace;color:var(--text-secondary);font-size:.8rem}.output-table tbody tr:hover{background:var(--bg-tertiary, rgba(0, 0, 0, .02))}.output-table tbody tr:last-child td{border-bottom:none}.use-cases{padding:40px 20px 80px;background:var(--bg-primary)}.use-case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}.use-case-card{background:var(--bg-secondary);padding:32px 24px;border-radius:8px;text-align:center;border:1px solid var(--border-light);transition:all .2s ease}.use-case-card:hover{transform:translateY(-2px);border-color:var(--border-medium);box-shadow:0 4px 12px #00000014}.use-case-icon{font-size:3rem;margin-bottom:20px}.use-case-card h3{font-size:1.125rem;margin-bottom:12px;color:var(--text-primary);font-weight:600}.use-case-card p{color:var(--text-secondary);line-height:1.6;font-size:.9375rem}.cta-section{padding:80px 20px;background:var(--gray-900);color:#fff;text-align:center}.cta-section h2{font-size:2.25rem;font-weight:600;margin-bottom:16px;letter-spacing:-.01em}.cta-section p{font-size:1.125rem;margin-bottom:40px;opacity:.85;font-weight:400}.cta-section .cta-button{background:var(--primary);color:#fff}.cta-section .cta-button:hover{background:var(--primary-light);color:#fff}.footer{padding:40px 20px;background:var(--gray-900);color:#fff;text-align:center;border-top:1px solid rgba(255,255,255,.1)}.footer p{opacity:.6;font-size:.875rem}@media (max-width: 768px){.hero{padding:60px 20px 50px}.hero-title{font-size:2.25rem}.hero-subtitle{font-size:1rem}.hero-badge{font-size:.8rem;padding:6px 12px}.how-it-works{padding:50px 20px}.steps-grid{grid-template-columns:repeat(2,1fr);gap:16px}.step-card{padding:16px 12px}.step-card .step-num{width:32px;height:32px;font-size:.875rem;margin-bottom:12px}.step-card h3{font-size:.9rem}.step-card p{font-size:.8rem}.use-cases,.custom-solutions,.examples-section{padding:60px 20px}.example-tabs{gap:6px;margin-bottom:16px;justify-content:flex-start}.example-tab{padding:10px 14px}.example-tab-title{font-size:.8rem}.example-content{padding:16px}.example-input{flex-direction:column;gap:16px}.example-arrow{padding:12px 0}.example-output{padding:12px}.output-table{font-size:.75rem}.output-table th,.output-table td{padding:8px 10px}.custom-solutions-content{flex-direction:column;text-align:center;gap:40px}.custom-features{text-align:left;display:inline-block}.contact-button{padding:14px 32px;font-size:1rem}.section-title{font-size:1.75rem}.section-subtitle{font-size:1rem;padding:0 10px;margin-bottom:40px}.cta-section{padding:60px 20px}.cta-section h2{font-size:1.75rem}.cta-button.large{padding:16px 36px;font-size:1.1rem}.steps{gap:20px}.step{padding:20px}.use-case-grid{gap:16px}.use-case-card{padding:24px 20px}.use-case-icon{font-size:2.5rem;margin-bottom:16px}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);padding:20px}.auth-container{background:var(--bg-primary);border-radius:8px;border:1px solid var(--border-light);padding:40px;width:100%;max-width:440px}.auth-header{text-align:center;margin-bottom:30px}.auth-header h1{font-size:1.75rem;margin-bottom:8px;color:var(--text-primary);font-weight:600;letter-spacing:-.01em}.auth-header p{color:var(--text-secondary);font-size:.875rem}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group input{padding:10px 14px;border:1px solid var(--border-medium);border-radius:6px;font-size:.875rem;transition:border-color .2s;color:var(--text-primary)}.form-group input:focus{outline:none;border-color:var(--primary)}.form-group input:disabled{background-color:var(--bg-secondary);cursor:not-allowed}.error-message{padding:12px 16px;background-color:#fef2f2;border:1px solid #fecaca;border-radius:6px;color:var(--danger);font-size:.875rem}.success-message{padding:12px 16px;background-color:#f0fdf4;border:1px solid #86efac;border-radius:6px;color:var(--success);font-size:.875rem}.auth-button{padding:12px 20px;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .2s}.auth-button:hover:not(:disabled){background:var(--primary-dark)}.auth-button:disabled{opacity:.6;cursor:not-allowed}.divider{display:flex;align-items:center;text-align:center;margin:20px 0}.divider:before,.divider:after{content:"";flex:1;border-bottom:1px solid var(--border-light)}.divider span{padding:0 10px;color:var(--text-secondary);font-size:.875rem;font-weight:500}.google-button{padding:12px 20px;background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-medium);border-radius:6px;font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:12px}.google-button:hover:not(:disabled){background-color:var(--bg-secondary);border-color:var(--border-dark)}.google-button:disabled{opacity:.6;cursor:not-allowed}.google-button svg{flex-shrink:0}.auth-toggle{text-align:center;font-size:.875rem;color:var(--text-secondary);margin-top:10px}.link-button{background:none;border:none;color:var(--primary);font-weight:500;cursor:pointer;padding:0;text-decoration:none;transition:color .2s}.link-button:hover:not(:disabled){color:var(--primary-dark);text-decoration:underline}.link-button:disabled{opacity:.6;cursor:not-allowed}.forgot-password-link{text-align:right;margin-top:-8px;margin-bottom:16px}.forgot-password-link .link-button{font-size:.8125rem}.auth-footer{margin-top:30px;text-align:center}.back-button{background:none;border:none;color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:color .2s}.back-button:hover:not(:disabled){color:var(--text-primary)}.back-button:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 480px){.auth-container{padding:30px 20px}.auth-header h1{font-size:24px}}.files-section{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:12px;padding:1.5rem}.files-section__header{margin-bottom:1.25rem}.files-section__title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:0 0 .25rem}.files-section__description{font-size:.875rem;color:var(--text-secondary);margin:0}.files-section__dropzone{border:2px dashed var(--border-medium);border-radius:8px;padding:2rem 1.5rem;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg-secondary)}.files-section__dropzone:hover{border-color:var(--primary);background:#10a37f0d}.files-section__dropzone--dragging{border-color:var(--primary);background:#10a37f1a;border-style:solid}.files-section__dropzone--uploading{cursor:wait;pointer-events:none}.files-section__dropzone-icon{width:48px;height:48px;margin:0 auto .75rem;border:2px dashed var(--border-medium);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--text-tertiary)}.files-section__dropzone--dragging .files-section__dropzone-icon{border-color:var(--primary);color:var(--primary)}.files-section__dropzone-text{font-size:.9375rem;font-weight:500;color:var(--text-primary);margin:0 0 .25rem}.files-section__dropzone-subtext{font-size:.8125rem;color:var(--text-tertiary);margin:0}.files-section__uploading{padding:.5rem 0}.files-section__spinner{width:32px;height:32px;border:3px solid var(--border-light);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto .75rem}.files-section__uploading p{font-size:.875rem;color:var(--text-secondary);margin:0}.files-section__error{margin-top:.75rem;padding:.625rem .875rem;background:#fef2f2;border:1px solid #fecaca;border-radius:6px;color:#991b1b;font-size:.8125rem}.files-section__list{margin-top:1rem}.files-section__list-header{font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem}.files-section__files{display:flex;flex-direction:column;gap:.375rem;max-height:200px;overflow-y:auto}.files-section__file-item{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:6px;transition:background .15s}.files-section__file-item:hover{background:var(--bg-tertiary)}.files-section__file-icon{font-size:1rem;flex-shrink:0}.files-section__file-name{flex:1;font-size:.8125rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.files-section__file-remove{width:20px;height:20px;border:none;background:transparent;color:var(--text-tertiary);font-size:1rem;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}.files-section__file-remove:hover{background:#fef2f2;color:var(--danger)}@media (max-width: 768px){.files-section{padding:1rem}.files-section__dropzone{padding:1.5rem 1rem}.files-section__files{max-height:150px}}.columns-section{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:12px;padding:1.5rem}.columns-section__header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.25rem}.columns-section__title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:0 0 .25rem}.columns-section__description{font-size:.875rem;color:var(--text-secondary);margin:0}.columns-section__count{font-size:.75rem;font-weight:500;color:var(--primary);background:#10a37f1a;padding:.25rem .5rem;border-radius:4px}.columns-section__table{background:var(--bg-secondary);border-radius:8px;padding:.75rem}.columns-section__table-header{display:grid;grid-template-columns:40px .6fr 2fr 36px;gap:.75rem;padding:.5rem .75rem;font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border-light);margin-bottom:.5rem}.columns-section__col-prompt{display:flex;align-items:center;gap:.25rem}.columns-section__tips-btn{width:16px;height:16px;border:1px solid var(--border-medium);background:var(--bg-primary);color:var(--text-tertiary);font-size:.625rem;font-weight:600;border-radius:50%;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all .15s}.columns-section__tips-btn:hover{border-color:var(--primary);color:var(--primary)}.columns-section__row{display:grid;grid-template-columns:40px .6fr 2fr 36px;gap:.75rem;padding:.5rem .75rem;align-items:center;border-radius:6px;margin-bottom:.25rem}.columns-section__row:hover{background:var(--bg-tertiary)}.columns-section__row--fixed{margin-bottom:.5rem;padding-bottom:1rem;position:relative}.columns-section__row--fixed:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:200px;height:1px;background-color:var(--border-medium)}.columns-section__col-num{font-size:.8125rem;font-weight:500;color:var(--text-tertiary);text-align:center}.columns-section__input-wrapper{position:relative}.columns-section__input{width:100%;padding:.5rem .75rem;border:1px solid var(--border-light);border-radius:6px;font-size:.875rem;color:var(--text-primary);background:var(--bg-primary);transition:border-color .15s}.columns-section__input:focus{outline:none;border-color:var(--primary)}.columns-section__input--disabled{background:var(--bg-tertiary);color:var(--text-tertiary);cursor:not-allowed}.columns-section__example-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;padding:.5rem .75rem;font-size:.875rem;color:var(--text-tertiary);pointer-events:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:opacity .15s ease-out}.columns-section__example-overlay--fading{opacity:0}.columns-section__remove-btn{width:28px;height:28px;border:none;background:transparent;color:var(--text-tertiary);font-size:1.125rem;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .15s}.columns-section__remove-btn:hover:not(:disabled){background:#fef2f2;color:var(--danger)}.columns-section__remove-btn--disabled{opacity:.3;cursor:not-allowed}.columns-section__add-row{display:flex;justify-content:center;padding:.75rem;margin-top:.25rem}.columns-section__add-btn{padding:.5rem 1rem;border:1px dashed var(--border-medium);background:transparent;color:var(--text-secondary);font-size:.875rem;border-radius:6px;cursor:pointer;transition:all .15s}.columns-section__add-btn:hover{border-color:var(--primary);color:var(--primary);background:#10a37f0d}.columns-section__preview{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border-light)}.columns-section__preview-label{font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem}.columns-section__preview-tags{display:flex;flex-wrap:wrap;gap:.375rem}.columns-section__preview-tag{background:var(--bg-primary);border:1px solid var(--border-light);padding:.375rem .75rem;border-radius:6px;font-size:.8125rem;color:var(--text-secondary)}.columns-section__modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.columns-section__modal{background:var(--bg-primary);border-radius:12px;max-width:600px;width:100%;max-height:80vh;overflow-y:auto}.columns-section__modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border-light)}.columns-section__modal-header h3{font-size:1rem;font-weight:600;margin:0;color:var(--text-primary)}.columns-section__modal-close{width:32px;height:32px;border:none;background:transparent;color:var(--text-tertiary);font-size:1.25rem;cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:center}.columns-section__modal-close:hover{background:var(--bg-secondary)}.columns-section__modal-body{padding:1.5rem}.columns-section__tips-list{margin:0 0 1.5rem;padding-left:1.25rem;line-height:1.8}.columns-section__tips-list li{margin-bottom:.5rem;font-size:.875rem;color:var(--text-secondary)}.columns-section__examples{padding-top:1rem;border-top:1px solid var(--border-light)}.columns-section__examples>strong{display:block;font-size:.875rem;margin-bottom:.75rem;color:var(--text-primary)}.columns-section__example-item{background:var(--bg-secondary);padding:.75rem;border-radius:6px;font-size:.8125rem;margin-bottom:.5rem;color:var(--text-secondary)}.columns-section__example-item strong{color:var(--text-primary)}.columns-section__example-item em{color:var(--text-tertiary)}@media (max-width: 768px){.columns-section{padding:1rem}.columns-section__table-header,.columns-section__row{grid-template-columns:30px 1fr 30px;gap:.5rem}.columns-section__col-prompt,.columns-section__table-header .columns-section__col-prompt{display:none}.columns-section__row .columns-section__input-wrapper:last-of-type{display:none}.columns-section__modal{max-height:90vh}}.insufficient-credits-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000}.insufficient-credits-modal{background:#fff;border-radius:12px;padding:32px;max-width:480px;width:calc(100% - 32px);margin:16px;box-shadow:0 4px 12px #0000001a;border:1px solid var(--border-light)}.insufficient-credits-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}.insufficient-credits-icon-wrapper{position:relative;display:inline-block}.insufficient-credits-icon-glow{position:absolute;top:0;right:0;bottom:0;left:0;background:#f59e0b;border-radius:50%;filter:blur(16px);opacity:.4}.insufficient-credits-icon{position:relative;width:40px;height:40px;color:#f59e0b}.insufficient-credits-icon-sparkle{color:var(--primary)}.insufficient-credits-icon-sparkle+.insufficient-credits-icon-glow{background:var(--primary)}.insufficient-credits-title{font-size:24px;font-weight:700;color:var(--text-primary)}.insufficient-credits-message{color:var(--gray-700);font-size:18px;margin-bottom:24px;line-height:1.5}.insufficient-credits-message-highlight{font-size:19px;color:var(--gray-800)}.insufficient-credits-benefits{display:flex;flex-direction:column;gap:16px;margin-bottom:24px;padding:20px;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-light)}.insufficient-credits-benefit{display:flex;align-items:flex-start;gap:12px}.insufficient-credits-benefit-icon{width:24px;height:24px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}.insufficient-credits-benefit-text{color:var(--gray-700);font-size:16px;line-height:1.5}.insufficient-credits-suggestions{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}.insufficient-credits-suggestion{display:flex;align-items:flex-start;gap:12px;padding:16px;background:#fff;border-radius:8px;border:1px solid var(--border-light);transition:all .2s ease}.insufficient-credits-suggestion:hover{border-color:var(--primary);box-shadow:0 2px 8px #0000001a}.insufficient-credits-suggestion-icon{font-size:24px;flex-shrink:0}.insufficient-credits-suggestion-text{color:var(--gray-700);font-size:15px;line-height:1.5}.insufficient-credits-details{background:var(--bg-secondary);border-radius:12px;padding:20px;margin-bottom:24px;border:1px solid var(--border-light)}.insufficient-credits-detail-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.insufficient-credits-detail-row:last-child{margin-bottom:0;padding-top:12px;border-top:1px solid var(--border-medium)}.insufficient-credits-detail-label{color:var(--gray-700);font-weight:500}.insufficient-credits-detail-value{font-weight:700;font-size:18px;color:var(--gray-900)}.insufficient-credits-detail-row:last-child .insufficient-credits-detail-label{color:#ef4444;font-weight:700}.insufficient-credits-detail-row:last-child .insufficient-credits-detail-value{color:#ef4444;font-size:20px}.insufficient-credits-buttons{display:flex;gap:12px}.insufficient-credits-button{flex:1;padding:16px;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease}.insufficient-credits-button-primary{background:var(--primary);color:#fff}.insufficient-credits-button-primary:hover{background:var(--primary-dark)}.insufficient-credits-button-secondary{background:var(--gray-100);color:var(--gray-700)}.insufficient-credits-button-secondary:hover{background:var(--gray-200)}@media (max-width: 640px){.insufficient-credits-modal{padding:24px}.insufficient-credits-title{font-size:20px}.insufficient-credits-message{font-size:16px}}.cost-sidebar{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:12px;padding:1.5rem;position:sticky;top:1.5rem;height:fit-content}.cost-sidebar--stale{opacity:.7}.cost-sidebar--empty{min-height:200px;display:flex;flex-direction:column}.cost-sidebar__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--border-light)}.cost-sidebar__title{font-size:1rem;font-weight:600;color:var(--text-primary);margin:0}.cost-sidebar__updating{font-size:.75rem;color:var(--text-tertiary);display:flex;align-items:center;gap:.25rem}.cost-sidebar__updating:before{content:"";width:8px;height:8px;border:1.5px solid var(--primary);border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.cost-sidebar__empty-state{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--text-tertiary);font-size:.875rem;padding:1rem}.cost-sidebar__error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:.75rem;border-radius:6px;font-size:.875rem;margin-bottom:1rem}.cost-sidebar__section{margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px solid var(--border-light)}.cost-sidebar__section-header{margin-bottom:.75rem}.cost-sidebar__section-title{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.cost-sidebar__section-subtitle{display:block;font-size:.75rem;color:var(--text-tertiary);margin-top:.125rem}.cost-sidebar__file-list{display:flex;flex-direction:column;gap:.375rem;margin-bottom:.75rem}.cost-sidebar__file-row{display:flex;justify-content:space-between;align-items:center;font-size:.8125rem;padding:.25rem 0}.cost-sidebar__file-name{color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:140px}.cost-sidebar__file-cost{color:var(--text-primary);font-weight:500;font-variant-numeric:tabular-nums}.cost-sidebar__column-calc{margin-bottom:.75rem}.cost-sidebar__calc-row{font-size:.8125rem;color:var(--text-secondary);padding:.125rem 0}.cost-sidebar__subtotal{display:flex;justify-content:space-between;font-size:.875rem;font-weight:500;color:var(--text-primary);padding-top:.5rem;border-top:1px dashed var(--border-light)}.cost-sidebar__total-section{background:var(--bg-secondary);margin:0 -1.5rem 1rem;padding:1rem 1.5rem}.cost-sidebar__total-row{display:flex;justify-content:space-between;font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:.75rem;padding-bottom:.75rem;border-bottom:1px solid var(--border-light)}.cost-sidebar__total-value{color:var(--primary)}.cost-sidebar__balance-row{display:flex;justify-content:space-between;font-size:.875rem;color:var(--text-secondary);margin-bottom:.25rem}.cost-sidebar__balance-row--negative span:last-child{color:var(--danger)}.cost-sidebar__warning{background:#fef3c7;border:1px solid #fcd34d;color:#92400e;padding:.75rem;border-radius:6px;font-size:.875rem;margin-bottom:1rem;text-align:center}.cost-sidebar__actions{margin-top:auto}.cost-sidebar__start-button{width:100%;padding:.875rem 1.5rem;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.cost-sidebar__start-button:hover:not(:disabled){background:var(--primary-dark)}.cost-sidebar__start-button:disabled{background:var(--gray-300);cursor:not-allowed}.cost-sidebar__hint{text-align:center;font-size:.75rem;color:var(--text-tertiary);margin-top:.5rem;margin-bottom:0}.cost-sidebar-mobile{display:none}@media (max-width: 768px){.cost-sidebar{display:none}.cost-sidebar-mobile{display:block;position:fixed;bottom:0;left:0;right:0;background:var(--bg-primary);border-top:1px solid var(--border-medium);box-shadow:0 -4px 12px #0000001a;z-index:100}.cost-sidebar-mobile__bar{display:flex;align-items:center;padding:.75rem 1rem;cursor:pointer;gap:.5rem}.cost-sidebar-mobile__label{flex:1;font-size:.875rem;color:var(--text-secondary)}.cost-sidebar-mobile__value{font-size:1rem;font-weight:600;color:var(--primary)}.cost-sidebar-mobile__chevron{color:var(--text-tertiary);font-size:.625rem;transition:transform .2s}.cost-sidebar-mobile__chevron--up{transform:rotate(180deg)}.cost-sidebar-mobile__content{padding:0 1rem .75rem;border-top:1px solid var(--border-light)}.cost-sidebar-mobile__breakdown{padding-top:.75rem}.cost-sidebar-mobile__row{display:flex;justify-content:space-between;font-size:.8125rem;color:var(--text-secondary);padding:.25rem 0}.cost-sidebar-mobile__row--total{font-weight:600;color:var(--text-primary);border-top:1px solid var(--border-light);margin-top:.5rem;padding-top:.5rem}.cost-sidebar-mobile__start-button{width:calc(100% - 2rem);margin:.75rem 1rem;padding:.875rem;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer}.cost-sidebar-mobile__start-button:disabled{background:var(--gray-300);cursor:not-allowed}.text-danger{color:var(--danger)}}.download-buttons{display:flex;gap:16px;justify-content:center;align-items:center}.download-button{background:var(--success);color:#fff;border:none;padding:16px 40px;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #10b9814d}.download-button:hover{background:#059669;box-shadow:0 6px 20px #10b98166}.download-button:active{transform:scale(.98)}.processing-view h2{font-size:1.5rem;margin-bottom:12px;color:var(--text-primary);font-weight:600;letter-spacing:-.01em}.step-description.success{color:var(--success);font-weight:600}.step-description.error{color:var(--danger);font-weight:600}.step-description.warning{color:#f59e0b;font-weight:600}.progress-container{margin:20px 0 40px}.progress-stats{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.progress-text{font-weight:500;color:var(--text-secondary);font-size:.9375rem}.progress-percentage{font-size:1.125rem;font-weight:600;color:var(--primary)}.progress-bar-wrapper{display:flex;gap:16px;align-items:center}.progress-bar-container{flex:1;height:8px;background:var(--bg-tertiary);border-radius:4px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .3s ease}.download-section{margin:20px 0 40px;display:flex;justify-content:center;align-items:center;gap:12px}.cancel-button{background:transparent;color:var(--danger);border:2px solid var(--danger);padding:12px 28px;border-radius:8px;font-size:.95rem;font-weight:600;transition:all .2s ease}.cancel-button:hover{background:var(--danger);color:#fff}.success-container{text-align:center;padding:40px 20px}.success-icon{font-size:5rem;margin-bottom:20px;animation:bounce .6s ease}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.success-container h3{font-size:1.75rem;color:var(--gray-900);margin-bottom:12px}.success-container p{color:var(--gray-600);font-size:1.1rem;margin-bottom:30px}.result-preview{background:var(--bg-secondary);padding:24px;border-radius:8px;margin:30px 0;text-align:left;border:1px solid var(--border-light)}.preview-header{font-size:.875rem;color:var(--text-secondary);margin-bottom:12px;font-weight:500}.column-tags{display:flex;flex-wrap:wrap;gap:8px}.column-tag{background:var(--bg-primary);color:var(--primary);padding:6px 14px;border-radius:16px;font-size:.875rem;font-weight:500;border:1px solid var(--primary)}.error-container,.cancelled-container{text-align:center;padding:40px 20px}.error-icon,.cancelled-icon{font-size:4rem;margin-bottom:20px}.error-container h3,.cancelled-container h3{font-size:1.75rem;color:var(--gray-900);margin-bottom:12px}.error-container p,.cancelled-container p{color:var(--gray-600);font-size:1.1rem;max-width:500px;margin:0 auto}.recent-rows-container{margin:30px 0;background:var(--bg-secondary);border-radius:8px;padding:20px;border:1px solid var(--border-light)}.recent-rows-title{font-size:.9375rem;font-weight:600;color:var(--text-primary);margin-bottom:16px;padding-left:4px}.recent-rows-scroll{overflow-x:auto;overflow-y:auto;border-radius:6px;border:1px solid var(--border-light);max-height:288px}.recent-rows-table{width:100%;border-collapse:collapse;background:var(--bg-primary);font-size:.875rem;min-width:600px}.recent-rows-table thead{background:var(--gray-800);color:#fff;position:sticky;top:0;z-index:1}.recent-rows-table th{padding:10px 14px;text-align:left;font-weight:500;white-space:nowrap;border-right:1px solid rgba(255,255,255,.1);font-size:.8125rem}.recent-rows-table th:last-child{border-right:none}.recent-rows-table tbody tr{border-bottom:1px solid var(--border-light)}.recent-rows-table tbody tr:hover{background-color:var(--bg-secondary)}.recent-rows-table tbody tr:last-child{border-bottom:none}.recent-rows-table td{padding:10px 14px;color:var(--text-primary);border-right:1px solid var(--border-light);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.recent-rows-table td:last-child{border-right:none}.unified-tool-page{min-height:100vh;background:var(--bg-secondary)}.unified-tool-page .announcement-bar{background:var(--gray-900);color:#fff;padding:10px 20px;display:flex;justify-content:center;align-items:center;gap:16px;font-size:.9rem;flex-wrap:wrap;text-align:center}.unified-tool-page .announcement-bar span{opacity:.9;line-height:1.4}.unified-tool-page .announcement-bar button{background:transparent;color:var(--primary);border:1px solid var(--primary);padding:6px 14px;font-size:.8rem;font-weight:600;border-radius:4px;cursor:pointer;transition:all .2s ease}.unified-tool-page .announcement-bar button:hover{background:var(--primary);color:#fff}.unified-tool-page .announcement-bar button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.unified-tool-main{max-width:1280px;margin:0 auto;padding:1.5rem}.unified-tool-main--processing{max-width:900px}.unified-tool-layout{display:grid;grid-template-columns:1fr 320px;gap:1.5rem;align-items:start}.unified-tool-content{display:flex;flex-direction:column;gap:1.5rem}.unified-tool-sidebar{position:relative}@media (max-width: 1024px){.unified-tool-layout{grid-template-columns:1fr 280px}}@media (max-width: 768px){.unified-tool-main{padding:1rem;padding-bottom:180px}.unified-tool-layout{grid-template-columns:1fr}.unified-tool-sidebar{display:none}.unified-tool-page .announcement-bar{padding:.5rem 1rem;font-size:.75rem}.unified-tool-page .announcement-bar button{padding:.25rem .625rem;font-size:.6875rem}}@media (max-width: 480px){.unified-tool-main{padding:.75rem;padding-bottom:180px}.unified-tool-content{gap:1rem}}.contact-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg-secondary);padding:20px}.contact-container{background:var(--bg-primary);border-radius:8px;border:1px solid var(--border-light);padding:40px;width:100%;max-width:600px}.contact-brand{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-align:center;margin-bottom:32px;cursor:pointer;transition:color .2s}.contact-brand:hover{color:var(--primary)}.contact-header{text-align:center;margin-bottom:30px}.contact-header h1{font-size:1.75rem;margin-bottom:8px;color:var(--text-primary);font-weight:600;letter-spacing:-.01em}.contact-header p{color:var(--text-secondary);font-size:.875rem;margin-bottom:8px}.contact-custom-solution{color:var(--primary);font-weight:500;margin-top:12px}.contact-form{display:flex;flex-direction:column;gap:20px}.form-group label{font-size:.875rem;font-weight:500;color:var(--text-primary)}.form-group input,.form-group textarea{padding:12px;border:1px solid var(--border-medium);border-radius:6px;font-size:.9375rem;background:var(--bg-primary);color:var(--text-primary);transition:all .2s}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-group input:disabled,.form-group textarea:disabled{opacity:.6;cursor:not-allowed}.form-group textarea{resize:vertical;min-height:120px;font-family:inherit;line-height:1.5}.character-counter{font-size:.75rem;color:var(--text-secondary);text-align:right;margin-top:4px}.character-counter.near-limit{color:var(--warning, #f59e0b);font-weight:500}.error-message{padding:12px 16px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:6px;color:var(--danger);font-size:.875rem;line-height:1.4}.success-message{padding:12px 16px;background:#22c55e1a;border:1px solid rgba(34,197,94,.3);border-radius:6px;color:var(--success);font-size:.875rem;line-height:1.4}.submit-button{padding:12px 24px;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .2s}.submit-button:hover:not(:disabled){background:var(--primary-dark, #1e40af);box-shadow:0 4px 12px #2563eb4d}.submit-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.contact-footer{margin-top:24px;text-align:center}.back-button{background:none;border:none;color:var(--text-secondary);font-size:.875rem;cursor:pointer;padding:8px 16px;border-radius:6px;transition:all .2s}.back-button:hover:not(:disabled){color:var(--text-primary);background:var(--bg-secondary)}.back-button:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 640px){.contact-container{padding:24px;max-width:100%}.contact-header h1{font-size:1.5rem}.form-group textarea{min-height:100px}}.account-page{max-width:1400px;margin:0 auto;padding:32px 16px}.account-container{display:flex;gap:32px;min-height:calc(100vh - 200px)}.account-sidebar-column{display:flex;flex-direction:column;align-items:center;width:250px;flex-shrink:0}.account-back-button{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--bg-primary);border:1px solid var(--border-medium);border-radius:6px;color:var(--text-secondary);font-weight:500;font-size:.875rem;cursor:pointer;transition:all .2s ease;width:fit-content;margin-bottom:16px}.account-back-button:hover{background:var(--bg-secondary);border-color:var(--primary);color:var(--primary)}.account-back-icon{width:18px;height:18px}.account-sidebar{width:100%;background:var(--bg-primary);border-radius:8px;padding:20px;border:1px solid var(--border-light);height:fit-content;position:sticky;top:90px}.account-sidebar-title{font-size:1.125rem;font-weight:600;margin-bottom:20px;color:var(--text-primary);letter-spacing:-.01em}.account-nav{display:flex;flex-direction:column;gap:8px}.account-nav-link{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:6px;color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:.9375rem;transition:all .2s ease;cursor:pointer}.account-nav-link:hover{background:var(--bg-secondary);color:var(--text-primary)}.account-nav-link.active{background:var(--primary);color:#fff}.account-nav-icon{width:20px;height:20px}.account-content{flex:1;min-width:0;padding-bottom:80px}@media (max-width: 768px){.account-container{flex-direction:column;gap:20px}.account-sidebar{width:100%;position:static;padding:16px}.account-nav{flex-direction:row;overflow-x:auto;gap:8px}.account-nav-link{white-space:nowrap;padding:10px 14px}.account-page{padding:20px 12px}.account-content{padding-bottom:120px}}.change-password-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000}.change-password-modal{background:#fff;border-radius:24px;padding:32px;max-width:480px;width:calc(100% - 32px);margin:16px;box-shadow:0 20px 60px #0000004d;border:2px solid #e9d5ff}.change-password-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.change-password-header h2{font-size:24px;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0}.change-password-form{display:flex;flex-direction:column;gap:16px}@media (max-width: 640px){.change-password-modal{padding:24px}.change-password-header h2{font-size:20px}.modal-buttons{flex-direction:column}}.change-email-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000}.change-email-modal{background:#fff;border-radius:24px;padding:32px;max-width:480px;width:calc(100% - 32px);margin:16px;box-shadow:0 20px 60px #0000004d;border:2px solid #e9d5ff}.change-email-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.change-email-header h2{font-size:24px;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0}.change-email-form{display:flex;flex-direction:column;gap:16px}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.read-only-input{background:var(--gray-50);color:var(--gray-600);cursor:not-allowed}.field-hint{font-size:13px;color:var(--gray-500);margin:0}.success-message{background:#e8f5e9;color:#2e7d32;padding:16px;border-radius:8px;font-size:14px;border:1px solid #81c784;line-height:1.6}.modal-button-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.modal-button-primary:hover:not(:disabled){box-shadow:0 8px 20px #667eea66;transform:scale(1.02)}.modal-button-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}@media (max-width: 640px){.change-email-modal{padding:24px}.change-email-header h2{font-size:20px}.modal-buttons{flex-direction:column}}.delete-account-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000}.delete-account-modal{background:#fff;border-radius:24px;padding:32px;max-width:520px;width:calc(100% - 32px);margin:16px;box-shadow:0 20px 60px #0000004d;border:2px solid #fee2e2}.delete-account-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.delete-account-header h2{font-size:24px;font-weight:700;color:#dc2626;margin:0}.close-button{background:none;border:none;font-size:32px;color:var(--gray-400);cursor:pointer;line-height:1;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:color .2s ease}.close-button:hover{color:var(--gray-600)}.close-button:disabled{cursor:not-allowed;opacity:.5}.delete-account-warning{display:flex;gap:16px;padding:20px;background:#fef2f2;border-radius:12px;border:2px solid #fecaca;margin-bottom:24px}.warning-icon{font-size:32px;line-height:1;flex-shrink:0}.delete-account-warning h3{font-size:16px;font-weight:700;color:#991b1b;margin:0 0 8px}.delete-account-warning p{font-size:14px;color:#7f1d1d;margin:0 0 8px}.delete-account-warning ul{margin:0;padding-left:20px;font-size:14px;color:#7f1d1d}.delete-account-warning li{margin-bottom:4px}.delete-account-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:500;color:var(--gray-700);font-size:14px}.form-group label strong{color:#dc2626;font-weight:700}.form-group input{padding:12px;border:2px solid var(--gray-200);border-radius:8px;font-size:16px;transition:all .2s ease}.form-group input:focus{outline:none;border-color:#dc2626;box-shadow:0 0 0 3px #dc26261a}.form-group input:disabled{background:var(--gray-50);cursor:not-allowed}.error-message{background:#fee;color:#c00;padding:12px;border-radius:8px;font-size:14px;border:1px solid #fcc}.modal-buttons{display:flex;gap:12px;margin-top:8px}.modal-button{flex:1;padding:14px;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease}.modal-button-secondary{background:var(--gray-100);color:var(--gray-700)}.modal-button-secondary:hover:not(:disabled){background:var(--gray-200);box-shadow:0 4px 12px #0000001a}.modal-button-secondary:disabled{opacity:.6;cursor:not-allowed}.modal-button-danger{background:#dc2626;color:#fff}.modal-button-danger:hover:not(:disabled){background:#b91c1c;box-shadow:0 8px 20px #dc262666;transform:scale(1.02)}.modal-button-danger:disabled{opacity:.6;cursor:not-allowed;transform:none}@media (max-width: 640px){.delete-account-modal{padding:24px}.delete-account-header h2{font-size:20px}.delete-account-warning{flex-direction:column;text-align:center}.modal-buttons{flex-direction:column}}.success-toast{position:fixed;top:24px;right:24px;background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:2px solid #10b981;border-radius:12px;padding:16px 20px;display:flex;align-items:center;gap:12px;box-shadow:0 10px 30px #10b9814d;z-index:1001;animation:toastSlideIn .3s ease-out;max-width:400px}@keyframes toastSlideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.success-toast-icon{width:24px;height:24px;color:#059669;flex-shrink:0}.success-toast-message{color:#065f46;font-size:15px;font-weight:500;flex:1}.success-toast-close{background:none;border:none;cursor:pointer;padding:4px;color:#059669;transition:all .2s ease;flex-shrink:0}.success-toast-close svg{width:20px;height:20px}.success-toast-close:hover{color:#065f46;transform:scale(1.1)}@media (max-width: 640px){.success-toast{top:16px;right:16px;left:16px;max-width:none}}.settings-page{background:var(--bg-primary);border-radius:8px;padding:32px 32px 80px;border:1px solid var(--border-light);min-height:calc(100vh - 300px)}.settings-header{margin-bottom:32px}.settings-header h1{font-size:2rem;font-weight:600;margin-bottom:8px;color:var(--text-primary);letter-spacing:-.02em}.settings-header p{color:var(--text-secondary);font-size:.9375rem}.settings-section{margin-bottom:32px;padding-bottom:32px;border-bottom:1px solid var(--border-light)}.settings-section:last-of-type{border-bottom:none;padding-bottom:0;margin-bottom:64px!important}.settings-section h2{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:20px}.setting-row{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--border-light)}.setting-row:last-child{border-bottom:none}.setting-info{flex:1}.setting-info label{display:block;font-size:.875rem;font-weight:600;color:var(--text-primary);margin-bottom:4px}.setting-value{font-size:.875rem;color:var(--text-secondary)}.btn-setting{padding:8px 16px;border:1px solid var(--border-medium);background:var(--bg-primary);color:var(--text-secondary);border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.btn-setting:hover{background:var(--bg-secondary);border-color:var(--primary);color:var(--primary)}.danger-zone{border:2px solid #fee2e2;background:#fef2f2;border-radius:12px;padding:24px;margin-bottom:32px;margin-top:32px}.danger-zone h2{color:#dc2626;margin-bottom:8px}.danger-zone-description{color:#7f1d1d;font-size:14px;margin-bottom:16px;line-height:1.5}.btn-danger{padding:10px 20px;border:none;background:#ef4444;color:#fff;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;margin-bottom:32px}.btn-danger:hover{background:#dc2626;box-shadow:0 4px 12px #ef44444d}.info-notice{padding:12px 16px;background:#fffbeb;border-radius:8px;border:1px solid #fcd34d;margin-top:16px}.info-notice p{color:#92400e;font-size:13px;margin:0}@media (max-width: 768px){.settings-page{padding:24px 20px;padding-bottom:120px!important;min-height:calc(100vh - 250px)}.settings-header h1{font-size:28px}.setting-row{flex-direction:column;align-items:flex-start;gap:12px}.btn-setting{width:100%}.danger-zone{padding:20px;margin-bottom:48px!important}.btn-danger{width:100%}.settings-section:last-of-type{margin-bottom:96px!important}}.credits-page-title{font-size:2.25rem;font-weight:600;margin-bottom:24px;color:var(--text-primary);letter-spacing:-.02em}.credits-not-signed-in{text-align:center}.credits-not-signed-in h1{font-size:1.75rem;font-weight:600;margin-bottom:16px;color:var(--text-primary);letter-spacing:-.01em}.credits-not-signed-in p{color:var(--text-secondary)}.credits-loading{display:flex;justify-content:center;align-items:center;min-height:256px}.credits-loading-spinner{width:48px;height:48px;border:4px solid var(--primary);border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite}.credits-balance-section{margin-bottom:48px}.credits-balance-card{background:var(--gray-900);border-radius:12px;padding:40px;color:#fff;border:1px solid var(--gray-800)}.credits-balance-content{display:flex;justify-content:space-between;align-items:start;gap:24px;flex-wrap:wrap}.credits-balance-main{flex:1;min-width:200px}.credits-balance-label{font-size:.75rem;opacity:.7;margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em;font-weight:500}.credits-balance-amount{font-size:3.5rem;font-weight:600;margin-bottom:4px;line-height:1;color:var(--primary)}.credits-balance-unit{font-size:1rem;opacity:.7}.credits-balance-stats{text-align:right}.credits-balance-stat{margin-bottom:16px}.credits-balance-stat:last-child{margin-bottom:0}.credits-balance-stat-label{font-size:.75rem;opacity:.7;margin-bottom:4px;text-transform:uppercase;letter-spacing:.05em;font-weight:500}.credits-balance-stat-value{font-size:1.75rem;font-weight:600}.credits-packages-section{margin-bottom:48px}.credits-section-title{font-size:1.5rem;font-weight:600;margin-bottom:32px;color:var(--text-primary);letter-spacing:-.01em}.credits-packages-wrapper{position:relative}.credits-packages-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#ffffff80;backdrop-filter:blur(1px);-webkit-backdrop-filter:blur(1px);display:flex;align-items:center;justify-content:center;z-index:10;border-radius:8px}.credits-packages-overlay-content{display:flex;flex-direction:column;align-items:center;gap:16px;background:#fff;padding:32px 40px;border-radius:12px;box-shadow:0 4px 20px #0000001a}.credits-packages-overlay p{color:var(--gray-800, #1f2937);font-size:1.125rem;font-weight:600;text-align:center;margin:0;max-width:400px;line-height:1.6}.credits-packages-overlay-button{display:inline-block;padding:12px 24px;background:var(--primary);color:#fff;border-radius:6px;font-size:.9375rem;font-weight:500;text-decoration:none;transition:all .2s ease}.credits-packages-overlay-button:hover{background:var(--primary-dark)}.credits-packages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px}.credits-packages-grid.disabled{filter:blur(2px);pointer-events:none;-webkit-user-select:none;user-select:none}.credits-package-card{position:relative;background:var(--bg-primary);border:1px solid var(--border-light);border-radius:8px;padding:32px;transition:all .2s ease}.credits-package-card:hover{border-color:var(--primary);box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.credits-package-content{position:relative;z-index:1}.credits-package-name{font-size:1.25rem;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.credits-package-price{font-size:3rem;font-weight:600;color:var(--text-primary);margin-bottom:24px}.credits-package-details{margin-bottom:32px}.credits-package-credits{font-size:1.75rem;font-weight:600;color:var(--primary)}.credits-package-unit{font-size:.875rem;color:var(--text-secondary);margin-top:4px}.credits-package-rate{font-size:.75rem;color:var(--text-tertiary);margin-top:8px}.credits-package-button{width:100%;padding:12px;border:none;border-radius:6px;font-size:.9375rem;font-weight:500;background:var(--primary);color:#fff;cursor:pointer;transition:all .2s ease}.credits-package-button:hover{background:var(--primary-dark)}.credits-package-button:disabled{background:var(--gray-400);cursor:not-allowed;transform:none;opacity:.6}.credits-transactions-section{margin-bottom:48px}.credits-transactions-table-wrapper{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:8px;overflow:hidden}.credits-transactions-table{width:100%;border-collapse:collapse}.credits-transactions-table thead{background:var(--gray-800)}.credits-transactions-table th{padding:12px 20px;text-align:left;font-size:.75rem;font-weight:600;color:#fff;text-transform:uppercase;letter-spacing:.05em}.credits-transactions-table th:nth-child(4),.credits-transactions-table th:nth-child(5){text-align:right}.credits-transactions-table tbody tr{border-top:1px solid var(--border-light);transition:background-color .2s ease}.credits-transactions-table tbody tr:hover{background:var(--bg-secondary)}.credits-transactions-table td{padding:12px 20px;font-size:.875rem;color:var(--text-primary)}.credits-transactions-table td:nth-child(4),.credits-transactions-table td:nth-child(5){text-align:right}.credits-transaction-type-badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:.6875rem;font-weight:500;text-transform:capitalize;background:var(--primary);color:#fff}.credits-transaction-amount{font-weight:700}.credits-transaction-amount.positive{color:#10b981}.credits-transaction-amount.negative{color:#ef4444}.credits-transactions-empty{padding:48px 24px;text-align:center;color:var(--gray-500)}@media (max-width: 768px){.credits-page{padding:24px 12px}.credits-page-title{font-size:28px}.credits-balance-card{padding:24px}.credits-balance-amount{font-size:40px}.credits-balance-content{flex-direction:column}.credits-balance-stats{text-align:left}.credits-section-title{font-size:24px}.credits-packages-grid{gap:20px}.credits-package-card{padding:24px}.credits-transactions-table-wrapper{overflow-x:auto}.credits-transactions-table th,.credits-transactions-table td{padding:12px 16px;font-size:13px}}.payment-success-container{max-width:1200px;margin:0 auto;padding:64px 16px}.payment-success-card{max-width:500px;margin:0 auto;background:#fff;border-radius:12px;box-shadow:0 4px 12px #0000001a;border:1px solid var(--border-light);padding:48px;text-align:center}.payment-success-icon-wrapper{margin-bottom:32px;display:flex;justify-content:center}.payment-success-icon-container{position:relative;display:inline-block}.payment-success-icon-glow{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--primary);border-radius:50%;filter:blur(24px);opacity:.3}.payment-success-icon{position:relative;width:112px;height:112px;color:#10b981}.payment-success-title{font-size:36px;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.payment-success-message{color:var(--gray-700);font-size:18px;margin-bottom:24px;line-height:1.5}.payment-success-session-id{font-size:12px;color:var(--gray-400);margin-bottom:24px;font-family:monospace;background:var(--gray-50);padding:8px;border-radius:6px}.payment-success-redirect-message{font-size:14px;color:var(--gray-500);margin-bottom:32px}.payment-success-button{padding:16px 32px;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease}.payment-success-button:hover{background:var(--primary-dark)}@media (max-width: 640px){.payment-success-container{padding:48px 16px}.payment-success-card{padding:32px 24px}.payment-success-title{font-size:28px}.payment-success-icon{width:96px;height:96px}}.payment-cancelled-container{max-width:1200px;margin:0 auto;padding:64px 16px}.payment-cancelled-card{max-width:500px;margin:0 auto;background:#fff;border-radius:12px;box-shadow:0 4px 12px #0000001a;border:1px solid var(--border-light);padding:48px;text-align:center}.payment-cancelled-icon-wrapper{margin-bottom:32px;display:flex;justify-content:center}.payment-cancelled-icon-container{position:relative;display:inline-block}.payment-cancelled-icon-glow{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--gray-300);border-radius:50%;filter:blur(24px);opacity:.3}.payment-cancelled-icon{position:relative;width:112px;height:112px;color:var(--gray-400)}.payment-cancelled-title{font-size:36px;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.payment-cancelled-message{color:var(--gray-700);font-size:18px;margin-bottom:32px;line-height:1.5}.payment-cancelled-buttons{display:flex;flex-direction:column;gap:16px}.payment-cancelled-button{padding:16px 32px;border:none;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease}.payment-cancelled-button-primary{background:var(--primary);color:#fff}.payment-cancelled-button-primary:hover{background:var(--primary-dark)}.payment-cancelled-button-secondary{background:var(--gray-100);color:var(--gray-700)}.payment-cancelled-button-secondary:hover{background:var(--gray-200)}@media (min-width: 640px){.payment-cancelled-buttons{flex-direction:row;justify-content:center}}@media (max-width: 640px){.payment-cancelled-container{padding:48px 16px}.payment-cancelled-card{padding:32px 24px}.payment-cancelled-title{font-size:28px}.payment-cancelled-icon{width:96px;height:96px}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #10a37f;--primary-dark: #0d8a6b;--primary-light: #1ab88c;--secondary: #6ea8fe;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--gray-50: #f7f7f8;--gray-100: #ececf1;--gray-200: #d9d9e3;--gray-300: #c5c5d2;--gray-400: #adadc9;--gray-500: #8e8ea0;--gray-600: #6e6e80;--gray-700: #565869;--gray-800: #40414f;--gray-900: #202123;--bg-primary: #ffffff;--bg-secondary: #f7f7f8;--bg-tertiary: #ececf1;--border-light: #ececf1;--border-medium: #d9d9e3;--border-dark: #c5c5d2;--text-primary: #202123;--text-secondary: #565869;--text-tertiary: #8e8ea0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}button{cursor:pointer;font-family:inherit}a{text-decoration:none;color:inherit}