:root{--bg-page: #D1CDBC;--bg-panel: #C6C3B2;--bg-dark: #3F3D35;--bg-dark-hover: #4D4A41;--bg-light: #ECEAE1;--text-primary: #3F3D35;--text-muted: #7E7B6E;--text-light: #ECEAE1;--border-color: #3F3D35;--border-muted: #8E8B7E;--white: #ffffff;--black: #000000;--bg-dark-rgb: 63, 61, 53;--white-rgb: 255, 255, 255;--black-rgb: 0, 0, 0;--bg-overlay: rgba(63, 61, 53, .6);--bg-settings: rgba(255, 255, 255, .15);--bg-input-focus: #ffffff;--scroll-track: rgba(0, 0, 0, .05);--scroll-thumb: var(--bg-dark);--scroll-thumb-hover: var(--bg-dark-hover);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Courier New", Courier, monospace}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-page);color:var(--text-primary);font-family:var(--font-sans);line-height:1.5;overflow-x:hidden;font-size:14px}::selection{background-color:var(--bg-dark);color:var(--text-light)}header{width:100%;max-width:1200px;margin:0 auto 32px;padding:24px 16px 12px;display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid var(--border-color);position:relative}header:before{content:"+";position:absolute;bottom:-9px;left:10px;font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--text-primary)}header:after{content:"+";position:absolute;bottom:-9px;right:10px;font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--text-primary)}.brand-title-container{display:flex;flex-direction:column;align-items:center}.brand-title{font-size:28px;font-weight:700;letter-spacing:.25em;text-transform:uppercase;cursor:pointer;padding:4px 8px}.brand-subtitle{font-family:var(--font-mono);font-size:10px;color:var(--text-muted);letter-spacing:.15em;text-transform:uppercase;margin-top:-4px}.header-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted)}.app-intro{text-align:center;max-width:600px;margin:0 auto 32px;padding:0 16px;font-family:var(--font-sans);font-size:14px;line-height:1.6;color:var(--text-muted)}main{width:100%;max-width:1200px;margin:0 auto 120px;padding:0 16px}.console-grid{display:grid;grid-template-columns:1fr;gap:32px}@media (min-width: 900px){.console-grid{grid-template-columns:1.2fr .8fr}}.zqr-panel{background-color:var(--bg-panel);border:1px solid var(--border-color);padding:24px;position:relative;display:flex;flex-direction:column}.zqr-panel:before{content:"";position:absolute;top:3px;left:3px;right:3px;bottom:3px;border:1px solid var(--border-muted);pointer-events:none;opacity:.4}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;border-bottom:1px dotted var(--border-color);padding-bottom:8px}.panel-title{font-family:var(--font-sans);font-size:12px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;display:flex;align-items:center}.panel-title:before{content:"■";font-size:10px;margin-right:8px}.panel-status{font-family:var(--font-mono);font-size:10px;letter-spacing:.05em;color:var(--text-muted);text-transform:uppercase}.textarea-wrapper{position:relative;width:100%;background-color:var(--bg-light);border:1px solid var(--border-color);padding:12px 12px 12px 28px;margin-bottom:16px}.textarea-wrapper:before{content:">";position:absolute;left:12px;top:13px;font-family:var(--font-mono);font-size:16px;color:var(--text-primary);font-weight:700}.zqr-textarea{width:100%;height:140px;background:transparent;border:none;outline:none;font-family:var(--font-mono);font-size:13px;color:var(--text-primary);resize:none}.stats-bar{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;margin-bottom:24px;color:var(--text-muted)}.stat-item{display:flex;gap:6px}.stat-value{color:var(--text-primary);font-weight:700}.settings-box{border:1px solid var(--border-color);padding:16px;margin-bottom:24px;background-color:var(--bg-settings)}.setting-group{margin-bottom:16px}.setting-group:last-child{margin-bottom:0}.setting-label{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--text-muted);text-transform:uppercase;margin-bottom:8px;display:flex;align-items:center}.setting-options{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.setting-options.resolution-grid{grid-template-columns:repeat(3,1fr)}.zqr-btn-select{background:transparent;border:1px solid var(--border-color);font-family:var(--font-mono);font-size:12px;padding:8px 4px;color:var(--text-primary);cursor:pointer;transition:none;text-align:center;position:relative;text-transform:uppercase}.zqr-btn-select-info{padding:2px 8px;font-size:10px}.zqr-btn-wipe{padding:4px 12px;font-size:11px;flex-shrink:0}.zqr-btn-close{padding:2px 8px}.zqr-btn-select:hover{background-color:rgba(var(--bg-dark-rgb),.1)}.zqr-btn-select.active{background-color:var(--bg-dark);color:var(--text-light);border-color:var(--bg-dark)}.zqr-btn-select.active:before{content:"■";position:absolute;left:6px;top:50%;transform:translateY(-50%);font-size:8px;color:var(--text-light)}.zqr-btn-select.active{padding-left:14px}.zqr-btn-primary{width:100%;background-color:var(--bg-dark);color:var(--text-light);border:1px solid var(--border-color);font-family:var(--font-sans);font-size:13px;font-weight:700;letter-spacing:.15em;padding:16px 24px;cursor:pointer;text-transform:uppercase;text-align:center;display:flex;justify-content:center;align-items:center;gap:12px;transition:none}.zqr-btn-primary:hover:not(:disabled){background-color:var(--bg-dark-hover);box-shadow:0 0 0 2px var(--border-color)}.zqr-btn-primary:disabled{opacity:.35;cursor:not-allowed}.zqr-btn-secondary{width:100%;background:transparent;color:var(--text-primary);border:1px solid var(--border-color);font-family:var(--font-sans);font-size:12px;font-weight:700;letter-spacing:.12em;padding:12px 20px;cursor:pointer;text-transform:uppercase;text-align:center;transition:none;display:flex;justify-content:center;align-items:center;gap:8px;margin-top:12px}.zqr-btn-secondary:hover:not(:disabled){background-color:var(--bg-dark);color:var(--text-light)}.qr-preview-box{width:100%;aspect-ratio:1;max-width:320px;margin:0 auto 24px;background-color:var(--white);border:2px double var(--border-color);display:flex;justify-content:center;align-items:center;position:relative}.qr-preview-box img{width:90%;height:90%;object-fit:contain}.qr-placeholder-text{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);text-align:center;padding:16px;text-transform:uppercase;letter-spacing:.08em}.batch-links-container{border:1px solid var(--border-color);background-color:rgba(var(--white-rgb),.1);padding:12px;margin-bottom:24px;max-height:200px;overflow-y:auto}.batch-link-item{font-family:var(--font-mono);font-size:11px;padding:6px 8px;border-bottom:1px dotted var(--border-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;gap:8px}.batch-link-item:last-child{border-bottom:none}.batch-link-num{color:var(--text-muted)}.error-banner{background-color:rgba(var(--bg-dark-rgb),.15);border-left:4px solid var(--border-color);padding:10px 14px;font-family:var(--font-mono);font-size:11px;margin-top:16px}.history-drawer{position:fixed;bottom:0;left:0;width:100%;background-color:var(--bg-panel);border-top:3px solid var(--border-color);z-index:100;transform:translateY(calc(100% - 44px));transition:transform .25s cubic-bezier(.1,.9,.2,1);display:flex;flex-direction:column}.history-drawer.open{transform:translateY(0)}.history-handle{height:44px;background-color:var(--bg-dark);color:var(--text-light);display:flex;justify-content:space-between;align-items:center;padding:0 24px;cursor:pointer;text-transform:uppercase;font-size:12px;font-weight:700;letter-spacing:.15em;position:relative}.history-handle:after{content:"▲";font-size:10px}.history-drawer.open .history-handle:after{content:"▼"}.history-content{max-height:350px;overflow-y:auto;padding:24px}.history-list{display:flex;flex-direction:column;gap:8px}.history-item{border:1px solid var(--border-color);background-color:rgba(var(--white-rgb),.15);padding:12px 16px;display:flex;justify-content:space-between;align-items:center;cursor:pointer}.history-item:hover{background-color:var(--bg-dark);color:var(--text-light)}.history-item:hover 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span{display:inline-block}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--scroll-track)}::-webkit-scrollbar-thumb{background:var(--scroll-thumb)}::-webkit-scrollbar-thumb:hover{background:var(--scroll-thumb-hover)}.zqr-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:var(--bg-overlay);display:flex;justify-content:center;align-items:center;z-index:200;padding:24px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-panel{max-width:620px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:0 10px 30px rgba(var(--black-rgb),.15);background-color:var(--bg-panel)}.modal-body{margin-top:18px;display:flex;flex-direction:column;gap:24px}.info-section{display:flex;flex-direction:column;gap:10px}.info-sec-title{font-family:var(--font-sans);font-size:13px;font-weight:700;color:var(--text-primary);text-transform:uppercase;letter-spacing:.08em}.info-sec-desc{font-size:12px;color:var(--text-secondary);line-height:1.6}.info-table{width:100%;border-collapse:collapse;margin-top:6px;font-family:var(--font-mono);font-size:11px}.info-table th,.info-table td{border:1px solid var(--border-color);padding:8px 10px;text-align:left}.info-table th{background-color:rgba(var(--bg-dark-rgb),.1);font-weight:700;color:var(--text-primary)}.info-table td{color:var(--text-secondary)}.info-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin-top:4px}.info-list li{position:relative;padding-left:16px;font-size:12px;color:var(--text-secondary);line-height:1.5}.info-list li:before{content:"▫";position:absolute;left:0;top:0;color:var(--text-primary);font-weight:700}.info-list li strong{font-family:var(--font-mono);font-size:11px;color:var(--text-primary);display:inline-block;margin-right:4px}.header-action-btn{background:transparent;border:none;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);cursor:pointer;padding:6px 12px;border:1px solid transparent;transition:all .1s ease}.header-action-btn:hover{color:var(--text-primary);border-color:var(--border-color);background-color:rgba(var(--bg-dark-rgb),.05)}.zqr-input{width:100%;background-color:var(--bg-light);border:1px solid var(--border-color);padding:10px 12px;font-family:var(--font-mono);font-size:12px;color:var(--text-primary);outline:none;transition:all .1s ease}.zqr-input:focus{background-color:var(--bg-input-focus);border-color:var(--text-primary);box-shadow:0 0 0 1px var(--border-color)}.zqr-textarea-feedback{width:100%;height:100px;background-color:var(--bg-light);border:1px solid var(--border-color);padding:10px 12px;font-family:var(--font-mono);font-size:12px;color:var(--text-primary);resize:vertical;outline:none;transition:all .1s ease}.zqr-textarea-feedback:focus{background-color:var(--bg-input-focus);border-color:var(--text-primary);box-shadow:0 0 0 1px var(--border-color)}.zqr-btn-select.rating-btn.active{padding-left:4px}.zqr-btn-select.rating-btn.active:before{display:none}@media (max-width: 600px){.history-drawer .panel-header{flex-wrap:wrap;gap:10px 8px}.history-drawer .panel-header .zqr-input{max-width:100%!important;order:3;flex-basis:100%}}.footer-link,.tech-group a{color:var(--text-muted);text-decoration:none;border-bottom:1px dotted transparent;transition:color .15s ease,border-color .15s ease}.footer-link:hover,.tech-group a:hover{color:var(--text-primary);border-bottom:1px dotted var(--text-primary)}.static-container{max-width:800px;margin:0 auto;width:100%}.static-content{font-family:var(--font-sans);color:var(--text-primary);line-height:1.6}.static-content h3{font-size:14px;font-weight:700;margin-top:24px;margin-bottom:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-primary);border-bottom:1px dotted var(--border-color);padding-bottom:4px}.static-content p{margin-bottom:16px;font-size:13px}.static-content ul,.static-content ol{margin-bottom:20px;padding-left:20px;font-size:13px}.static-content li{margin-bottom:8px}.static-content strong{font-family:var(--font-mono);font-weight:700}.back-home-container{margin-top:32px;padding-top:16px;border-top:1px dotted var(--border-color);display:flex;justify-content:flex-start}.static-404-container{text-align:center;padding:40px 16px;display:flex;flex-direction:column;align-items:center;justify-content:center}.error-code-art{font-family:var(--font-mono);font-size:72px;font-weight:700;line-height:1;letter-spacing:.1em;margin-bottom:24px;color:var(--text-primary);border:2px dashed var(--border-color);padding:20px 40px;background-color:rgba(var(--white-rgb),.1);display:inline-block}.error-description{font-family:var(--font-mono);font-size:13px;margin-bottom:32px;max-width:500px;line-height:1.6}.zqr-btn-select:focus-visible,.zqr-btn-primary:focus-visible,.zqr-btn-secondary:focus-visible,.history-handle:focus-visible,.footer-link:focus-visible,.tech-group a:focus-visible,.header-action-btn:focus-visible{outline:2px solid var(--border-color);outline-offset:2px}@media (max-width: 600px){.zqr-btn-select{padding:12px 8px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}.header-action-btn{padding:10px 16px;min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center}.zqr-btn-select-info{padding:8px 12px;font-size:10px;min-height:44px;display:inline-flex;align-items:center}.zqr-btn-wipe{padding:8px 16px;font-size:11px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}.zqr-btn-close{padding:8px 16px;min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center}}@media (prefers-color-scheme: dark){:root:not(.theme-light){--bg-page: #22211D;--bg-panel: #2B2A24;--bg-dark: #ECEAE1;--bg-dark-hover: #F4F3EF;--bg-light: #1C1B18;--text-primary: #ECEAE1;--text-muted: #8E8C82;--text-light: #22211D;--border-color: #8E8C82;--border-muted: #484640;--bg-overlay: rgba(0, 0, 0, .75);--bg-settings: rgba(0, 0, 0, .25);--bg-input-focus: #2C2B25;--scroll-track: rgba(0, 0, 0, .2);--scroll-thumb: #58564B;--scroll-thumb-hover: #6B695C}}:root.theme-dark{--bg-page: #22211D;--bg-panel: #2B2A24;--bg-dark: #ECEAE1;--bg-dark-hover: #F4F3EF;--bg-light: #1C1B18;--text-primary: #ECEAE1;--text-muted: #8E8C82;--text-light: #22211D;--border-color: #8E8C82;--border-muted: #484640;--bg-overlay: rgba(0, 0, 0, .75);--bg-settings: rgba(0, 0, 0, .25);--bg-input-focus: #2C2B25;--scroll-track: rgba(0, 0, 0, .2);--scroll-thumb: #58564B;--scroll-thumb-hover: #6B695C}.theme-select-container{display:flex;gap:6px;align-items:center;font-family:var(--font-mono);font-size:10px;color:var(--text-muted)}.theme-toggle-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-family:var(--font-mono);font-size:10px;padding:2px 4px;text-transform:uppercase;transition:color .1s ease}.theme-toggle-btn:hover{color:var(--text-primary)}.theme-toggle-btn.active{color:var(--text-primary);font-weight:700}.theme-toggle-btn:focus-visible{outline:1px solid var(--border-color)}