h2.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-sans)}
.app{padding:1.5rem 1rem;max-width:680px;margin:0 auto}
.section-label{font-size:12px;font-weight:500;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}
.section{margin-bottom:1.5rem}
.url-input,.text-input,.textarea-input,.select-input{width:100%;padding:10px 14px;font-size:15px;border:0.5px solid var(--color-border-secondary);border-radius:var(--border-radius-md);background:var(--color-background-primary);color:var(--color-text-primary);outline:none;transition:border .15s;font-family:var(--font-sans)}
.url-input:focus,.text-input:focus,.textarea-input:focus,.select-input:focus{border-color:var(--color-border-primary);box-shadow:0 0 0 3px rgba(128,128,128,.1)}
.textarea-input{resize:vertical;min-height:70px}
.url-hint{font-size:12px;color:var(--color-text-tertiary);margin-top:6px}
.color-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.color-swatch{width:32px;height:32px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:transform .1s,border-color .15s;flex-shrink:0;position:relative}
.color-swatch.active{border-color:var(--color-border-primary);transform:scale(1.15)}
.color-swatch.transparent-swatch{background:repeating-conic-gradient(#ccc 0% 25%,#fff 0% 50%) 50%/8px 8px}
#colorPicker,#bgColorPicker,#gradientColorPicker{width:36px;height:36px;border:0.5px solid var(--color-border-secondary);border-radius:var(--border-radius-md);cursor:pointer;padding:2px;background:var(--color-background-secondary)}
.style-group{display:flex;gap:8px;flex-wrap:wrap}
.style-btn{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border:0.5px solid var(--color-border-secondary);border-radius:var(--border-radius-md);cursor:pointer;background:var(--color-background-secondary);transition:all .15s;position:relative}
.style-btn:hover{background:var(--color-background-tertiary)}
.style-btn.active{border:1.5px solid var(--color-border-primary);background:var(--color-background-primary)}
.style-btn svg{display:block}
.format-group{display:flex;gap:8px}
.format-btn{padding:8px 18px;font-size:13px;font-weight:500;border:0.5px solid var(--color-border-secondary);border-radius:var(--border-radius-md);cursor:pointer;background:var(--color-background-secondary);color:var(--color-text-secondary);transition:all .15s}
.format-btn:hover{background:var(--color-background-tertiary)}
.format-btn.active{border:1.5px solid var(--color-border-primary);background:var(--color-background-primary);color:var(--color-text-primary)}
.preview-area{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:1.5rem;background:var(--color-background-secondary);border-radius:var(--border-radius-lg);border:0.5px solid var(--color-border-tertiary)}
#qrContainer canvas,#qrContainer svg{border-radius:8px}
.download-btn{display:flex;align-items:center;gap:8px;padding:10px 24px;font-size:14px;font-weight:500;border:0.5px solid var(--color-border-secondary);border-radius:var(--border-radius-md);cursor:pointer;background:var(--color-background-primary);color:var(--color-text-primary);transition:all .15s}
.download-btn:hover{background:var(--color-background-secondary)}
.download-btn:active{transform:scale(0.98)}
.download-btn:disabled{opacity:.5;cursor:not-allowed}
.download-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.placeholder-text{font-size:13px;color:var(--color-text-tertiary);text-align:center;padding:2rem 0}
.styles-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem}
.styles-col-label{font-size:12px;color:var(--color-text-secondary);margin-bottom:8px;font-weight:500}

/* tabs */
.tabs{display:flex;gap:8px;margin-bottom:1.25rem;border-bottom:0.5px solid var(--color-border-secondary)}
.tab-btn{padding:8px 4px;margin-bottom:-1px;font-size:14px;font-weight:500;color:var(--color-text-secondary);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;display:flex;align-items:center;gap:6px}
.tab-btn.active{color:var(--color-text-primary);border-bottom-color:var(--color-border-primary)}

/* accordion */
.accordion-section{border:0.5px solid var(--color-border-secondary);border-radius:var(--border-radius-md);margin-bottom:10px;overflow:hidden}
.accordion-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;cursor:pointer;background:var(--color-background-secondary);font-size:13px;font-weight:500;color:var(--color-text-primary)}
.accordion-header i{transition:transform .15s;color:var(--color-text-tertiary)}
.accordion-section.open .accordion-header i{transform:rotate(180deg)}
.accordion-body{display:none;padding:14px;background:var(--color-background-primary)}
.accordion-section.open .accordion-body{display:block}
.field{margin-bottom:12px}
.field:last-child{margin-bottom:0}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.field-label{font-size:12px;color:var(--color-text-secondary);margin-bottom:4px;display:block}
.field-error{font-size:11px;color:#dc2626;margin-top:4px}
.required-mark{color:#dc2626}
.radio-row{display:flex;gap:14px;font-size:13px;color:var(--color-text-secondary);align-items:center}
.checkbox-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text-secondary)}

/* import strip */
.import-strip{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.import-notice{font-size:12px;color:var(--color-text-secondary);background:var(--color-background-secondary);padding:6px 10px;border-radius:var(--border-radius-md);display:flex;align-items:center;gap:10px}
.import-notice button{background:none;border:none;color:var(--color-text-primary);text-decoration:underline;cursor:pointer;font-size:12px;padding:0}
.dropzone-active{outline:2px dashed var(--color-border-primary);outline-offset:4px;border-radius:var(--border-radius-md)}
.dropzone-label{text-align:center;font-size:13px;color:var(--color-text-secondary);padding:1rem;display:none}
.dropzone-active .dropzone-label{display:block}
.import-error{font-size:12px;color:#dc2626;margin-bottom:10px}

/* density meter */
.density-meter{margin:14px 0}
.density-bar{height:6px;border-radius:3px;background:var(--color-background-tertiary);overflow:hidden}
.density-fill{height:100%;transition:width .2s,background .2s}
.density-fill.good{background:#16a34a}
.density-fill.warn{background:#d97706}
.density-fill.bad{background:#dc2626}
.density-msg{font-size:12px;color:var(--color-text-secondary);margin-top:6px}

/* card preview */
.card-preview{display:flex;gap:14px;align-items:center;padding:16px;border:0.5px solid var(--color-border-tertiary);border-radius:var(--border-radius-lg);background:var(--color-background-secondary);margin-top:14px}
.card-avatar{width:56px;height:56px;border-radius:50%;background:var(--color-background-tertiary);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;color:var(--color-text-secondary);flex-shrink:0;overflow:hidden}
.card-avatar img{width:100%;height:100%;object-fit:cover}
.card-body{font-size:13px;color:var(--color-text-secondary);min-width:0}
.card-name{font-size:15px;font-weight:600;color:var(--color-text-primary)}
.card-line{margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* extras */
.extras-list{font-size:12px;color:var(--color-text-secondary);display:flex;flex-direction:column;gap:4px;margin-bottom:10px}
.extras-empty{font-size:12px;color:var(--color-text-tertiary)}

/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:1000}
.modal{background:var(--color-background-primary);border-radius:var(--border-radius-lg);padding:1.25rem;max-width:360px;width:90%;max-height:80vh;overflow:auto}
.modal h3{font-size:15px;margin-bottom:12px;color:var(--color-text-primary)}
.modal-item{padding:10px;border:0.5px solid var(--color-border-secondary);border-radius:var(--border-radius-md);cursor:pointer;margin-bottom:8px;font-size:13px}
.modal-item:hover{background:var(--color-background-secondary)}
.modal-item .sub{font-size:11px;color:var(--color-text-tertiary)}
.modal-actions{display:flex;justify-content:flex-end;margin-top:10px}

.clear-all-row{margin-top:1.5rem;text-align:center}
.clear-all-btn{background:none;border:none;color:var(--color-text-tertiary);font-size:12px;cursor:pointer;text-decoration:underline}
.gradient-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px}