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var(--border-color)}.gradient-option-row{margin-bottom:8px}.gradient-option-label{font-size:12px;width:60px}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;background:transparent}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:16px;width:16px;border-radius:50%;background:var(--accent-primary);cursor:pointer;margin-top:-6px;box-shadow:0 1px 3px #0000004d}input[type=range]::-webkit-slider-runnable-track{width:100%;height:4px;cursor:pointer;background:var(--toggle-bg-off);border-radius:2px}input[type=range]:focus{outline:none}@media (max-width: 1200px){.three-column-layout{display:flex;flex-direction:column;height:auto;min-height:auto}.left-sidebar{display:none}.center-panel,.preview-panel{width:100%;min-height:auto;border-right:none;border-left:none}.center-panel{padding:1rem;order:1}.center-content{padding:1rem 0rem 0rem}.preview-panel{order:2;position:static;border-top:1px solid var(--border-color);padding:1rem}.header{padding:.75rem 1rem}.header-content{padding:0}body{overflow-x:hidden}.customize-grid-row{grid-template-columns:1fr;gap:1rem}}.header-hamburger{display:none;background:none;border:none;font-size:1.5rem;color:var(--text-primary);cursor:pointer;padding:.5rem}.header-actions{display:flex;gap:1rem;align-items:center}.header-menu{display:flex;align-items:center}.menu-item{display:flex;align-items:center;gap:.5rem}.header-menu .menu-label{display:none;font-weight:500;color:var(--text-primary)}.mobile-issue-item{display:none}@media (max-width: 768px){.header-hamburger{display:block}.header-menu{display:flex;visibility:hidden;pointer-events:none;position:absolute;top:calc(100% + 10px);left:1rem;right:1rem;width:auto;background:var(--menu-bg-mobile);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:5px;padding:1rem;flex-direction:column;align-items:flex-start;gap:1rem;box-shadow:var(--shadow-md);z-index:1000;opacity:0;transform:translateY(-20px) scale(.95);transition:all .3s cubic-bezier(.4,0,.2,1)}.header-menu.open{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0) scale(1)}.header-content{position:relative}.menu-item{padding:0 .5rem;width:100%;justify-content:space-between}.header-menu .menu-label{display:block}.menu-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--menu-backdrop-bg);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:900;opacity:0;visibility:hidden;transition:all .3s ease}.menu-backdrop.open{opacity:1;visibility:visible}.hide-on-mobile{display:none!important}.mobile-issue-item{display:flex!important;padding:.5rem;border-radius:4px;transition:background-color .2s}.mobile-issue-item:hover{background-color:var(--hover-menu-select)}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:1rem}.modal-content{background:var(--bg-card);border-radius:16px;width:100%;max-width:500px;box-shadow:var(--shadow-lg);border:1px solid var(--border-color);animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem;border-bottom:1px solid var(--border-color)}.modal-header h3{margin:0;font-size:1.25rem;color:var(--text-primary)}.close-button{background:transparent;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;padding:.25rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s}.close-button:hover{background:var(--bg-secondary);color:var(--text-primary)}.issue-form{padding:1.25rem;display:flex;flex-direction:column;gap:1.25rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.9rem;font-weight:500;color:var(--text-secondary)}.form-input,.form-textarea{padding:.75rem;border-radius:8px;border:1px solid var(--border-color);background:var(--bg-primary);color:var(--text-primary);font-family:inherit;font-size:.95rem;transition:border-color .2s}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--accent-primary)}.form-textarea{resize:vertical;min-height:100px}.file-upload-box{border:2px dashed var(--border-color);border-radius:8px;padding:1.5rem;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg-primary)}.file-upload-box:hover{border-color:var(--accent-primary);background:var(--bg-secondary)}.upload-placeholder{display:flex;flex-direction:column;align-items:center;gap:.5rem;color:var(--text-secondary)}.image-list{display:flex;flex-direction:column;gap:.5rem;margin-top:.5rem}.file-preview{display:flex;align-items:center;justify-content:space-between;background:var(--bg-secondary);padding:.5rem 1rem;border-radius:6px;font-size:.9rem}.file-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-right:.5rem;color:var(--text-primary)}.file-size{color:var(--text-secondary);font-size:.8rem;margin-right:.5rem}.remove-file{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:.25rem}.remove-file:hover{color:#ef4444}.submit-button{background:var(--accent-primary);color:#fff;border:none;padding:.875rem;border-radius:8px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:opacity .2s;margin-top:.5rem}.submit-button:hover{opacity:.9}.issue-btn svg{color:var(--text-secondary)!important;transition:all .2s}.issue-btn:hover svg{color:var(--accent-primary)!important;transform:translateY(-1px)}