*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--ink: #1a1a1a;--ink-secondary: #636363;--ink-disabled: #b8b8b8;--surface: #ffffff;--surface-muted: #f7f7f7;--border: #e0e0e0;--border-strong: #c4c4c4;--accent: #1565C0;--accent-hover: #0d47a1;--accent-tint: #f0f4ff;--accept: #2E7D32;--accept-tint: #e8f5e9;--reject: #C62828;--reject-tint: #ffebee;--radius: 4px;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--font-mono: "Courier New", "Lucida Console", monospace}body{font-family:var(--font-body);background:var(--surface);color:var(--ink);font-size:14px;line-height:1.5;min-height:100vh}.app{display:flex;flex-direction:column;min-height:100vh}.app-header{padding:18px 40px;border-bottom:1px solid var(--border);display:flex;align-items:baseline;gap:14px}.app-logo{font-family:var(--font-mono);font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}.app-tagline{font-size:13px;color:var(--ink-secondary)}.app-main{flex:1;max-width:860px;width:100%;margin:0 auto;padding:52px 40px 64px;display:flex;flex-direction:column;gap:28px}.app-footer{padding:14px 40px;border-top:1px solid var(--border);font-size:12px;font-family:var(--font-mono);color:var(--ink-secondary);text-align:right}.upload-zone{border:1.5px dashed var(--border-strong);border-radius:var(--radius);padding:56px 40px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;cursor:pointer;background:var(--surface);transition:border-color .15s,background .15s;-webkit-user-select:none;user-select:none}.upload-zone:hover,.upload-zone--active{border-color:var(--accent);background:var(--accent-tint)}.upload-icon{width:34px;height:34px;color:var(--ink-secondary);margin-bottom:4px}.upload-zone__primary{font-size:15px;font-weight:600;color:var(--ink)}.upload-zone__secondary{font-size:13px;color:var(--ink-secondary)}.upload-info-row{display:flex;justify-content:flex-start;margin-top:-14px}.info-btn{background:none;border:none;cursor:pointer;color:var(--ink-disabled);display:flex;align-items:center;padding:4px;transition:color .12s}.info-btn:hover{color:var(--accent)}.info-btn svg{width:18px;height:18px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-width:580px;width:calc(100% - 48px);box-shadow:0 8px 32px #0000001f}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 14px;border-bottom:1px solid var(--border)}.modal-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--ink)}.modal-close{background:none;border:none;cursor:pointer;font-size:22px;line-height:1;color:var(--ink-disabled);padding:0 2px;transition:color .12s}.modal-close:hover{color:var(--ink)}.modal-body{padding:20px;font-size:13px;line-height:1.7;color:var(--ink-secondary)}.modal-body code{font-family:var(--font-mono);font-size:12px;color:var(--ink)}.file-section{display:flex;flex-direction:column;gap:10px}.file-list{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.file-row{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--surface);border-bottom:1px solid var(--border)}.file-row:last-child{border-bottom:none}.file-badge{flex-shrink:0;width:18px;height:18px;border-radius:50%;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center}.file-badge--ok{background:var(--accept-tint);color:var(--accept)}.file-badge--err{background:var(--reject-tint);color:var(--reject)}.file-name{flex:1;font-family:var(--font-mono);font-size:12.5px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-remove{flex-shrink:0;background:none;border:none;cursor:pointer;color:var(--ink-disabled);font-size:20px;line-height:1;padding:0 2px;transition:color .12s}.file-remove:hover{color:var(--reject)}.file-warning{font-size:12px;color:var(--ink-secondary);padding-left:2px}.generate-btn{align-self:flex-start;display:flex;align-items:center;gap:8px;padding:10px 22px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-family:var(--font-body);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.generate-btn:hover:not(.generate-btn--disabled){background:var(--accent-hover)}.generate-btn--disabled{background:var(--ink-disabled);cursor:not-allowed}.spinner{display:inline-block;width:13px;height:13px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .65s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{padding:11px 16px;background:var(--reject-tint);border:1px solid #ffcdd2;border-radius:var(--radius);font-size:13px;color:var(--reject);font-family:var(--font-mono);word-break:break-word}.results-section{display:flex;flex-direction:column;gap:16px}.results-heading{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-secondary)}.results-grid{display:grid;gap:20px}.results-grid--1{grid-template-columns:1fr}.results-grid--2{grid-template-columns:repeat(2,1fr)}.schema-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.schema-card__preview{height:280px;background:var(--surface-muted);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;overflow:hidden;cursor:pointer;text-decoration:none}.schema-card__preview img{width:100%;height:100%;object-fit:contain;display:block}.schema-card__footer{display:flex;align-items:center;justify-content:space-between;padding:11px 16px}.schema-card__name{font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--ink)}.schema-card__download{padding:5px 14px;border:1px solid var(--accent);color:var(--accent);border-radius:var(--radius);font-size:12px;font-weight:600;text-decoration:none;transition:background .12s,color .12s}.schema-card__download:hover{background:var(--accent);color:#fff}