:root{color-scheme:light dark;--md-primary: #4f5f91;--md-on-primary: #ffffff;--md-primary-container: #dce2ff;--md-on-primary-container: #06174b;--md-background: #f9f9ff;--md-surface: #f9f9ff;--md-surface-container: #eeedf4;--md-surface-high: #e8e7ee;--md-on-surface: #1a1b20;--md-on-surface-variant: #45464f;--md-outline: #767780;--md-success: #386a45;--md-error: #ba1a1a;--shape-small: 8px;--shape-medium: 12px;--shape-large: 16px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--md-background);color:var(--md-on-surface)}button,input,select{font:inherit}.top-app-bar{min-height:64px;display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--md-surface);border-bottom:1px solid color-mix(in srgb,var(--md-outline) 16%,transparent)}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:12px;background:var(--md-primary);color:var(--md-on-primary);font-weight:750}.brand-copy{display:flex;flex-direction:column;line-height:1.15}.brand-copy span{color:var(--md-on-surface-variant);font-size:.75rem}.status-chip{margin-left:auto;min-height:32px;display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border:1px solid var(--md-outline);border-radius:999px;color:var(--md-on-surface-variant);font-size:.75rem;white-space:nowrap}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--md-success)}.page-shell{width:min(100% - 32px,760px);margin:0 auto;padding:32px 0 48px}.intro{margin:0 0 24px}.eyebrow{margin:0 0 8px;color:var(--md-primary);font-size:.75rem;font-weight:700;letter-spacing:.08em}h1,h2,p{margin-top:0}h1{margin-bottom:10px;font-size:clamp(1.75rem,7vw,2.35rem);line-height:1.18;letter-spacing:-.02em}h2{margin-bottom:4px;font-size:1.05rem}.intro>p:last-child,.section-heading p,.supporting-text,.action-explanation{margin-bottom:0;color:var(--md-on-surface-variant)}.surface{margin-bottom:16px;padding:20px;border-radius:var(--shape-large);background:var(--md-surface-container)}.section-heading{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}.section-heading p{font-size:.9rem}.surface-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:var(--md-primary-container);color:var(--md-on-primary-container);font-size:1.35rem}.file-picker{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border:1px solid var(--md-primary);border-radius:var(--shape-medium);background:var(--md-surface);color:var(--md-primary);cursor:pointer;font-weight:650}.file-picker:hover{background:var(--md-primary-container)}.file-picker-hint{color:var(--md-on-surface-variant);font-size:.8rem;font-weight:400}.selected-file{min-height:24px;margin:16px 0 0;overflow-wrap:anywhere;color:var(--md-on-surface-variant);font-size:.9rem}.text-button{min-height:48px;margin:6px -8px -8px;padding:8px;border:0;background:transparent;color:var(--md-primary);cursor:pointer;font-weight:650}.advanced-settings{padding:0;overflow:hidden}.advanced-settings summary{min-height:56px;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;cursor:pointer;font-weight:650;list-style-position:inside}.advanced-settings summary span{margin-left:auto;color:var(--md-on-surface-variant);font-size:.78rem;font-weight:400}.advanced-grid{display:grid;gap:14px;padding:0 20px 16px}.advanced-grid label{display:grid;gap:6px;color:var(--md-on-surface-variant);font-size:.82rem}.advanced-grid input,.advanced-grid select{min-height:48px;padding:10px 12px;border:1px solid var(--md-outline);border-radius:var(--shape-small);background:var(--md-surface);color:var(--md-on-surface)}.supporting-text{padding:0 20px 20px;font-size:.8rem}.runtime-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid color-mix(in srgb,var(--md-outline) 24%,transparent);font-size:.9rem}.runtime-row strong{color:var(--md-primary)}.state-badge{padding:5px 10px;border-radius:999px;background:var(--md-surface-high);color:var(--md-on-surface-variant);font-size:.75rem;white-space:nowrap}.state-badge[data-state=supported]{background:#c9efd0;color:#0d381a}.state-badge[data-state=unsupported]{background:#ffdad6;color:#410002}.runtime-message{margin:12px 0;color:var(--md-on-surface-variant);font-size:.88rem}.blocker-box{padding:14px;border-radius:var(--shape-medium);background:var(--md-surface);color:var(--md-on-surface-variant);font-size:.84rem}.blocker-box strong{color:var(--md-on-surface)}.blocker-box ul{margin:8px 0 0;padding-left:20px}.action-area{padding:4px 0}.primary-button{width:100%;min-height:52px;border:0;border-radius:999px;background:var(--md-primary);color:var(--md-on-primary);font-weight:700;cursor:pointer}.primary-button:disabled{background:color-mix(in srgb,var(--md-on-surface) 12%,transparent);color:color-mix(in srgb,var(--md-on-surface) 38%,transparent);cursor:not-allowed}.action-explanation{margin:10px 0 0;text-align:center;font-size:.82rem}.visually-hidden,.visually-hidden-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:3px solid var(--md-primary);outline-offset:3px}@media(min-width:600px){.page-shell{padding-top:48px}.surface{padding:24px}.advanced-grid{grid-template-columns:1fr 1fr}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media(prefers-color-scheme:dark){:root{--md-primary: #b9c4ff;--md-on-primary: #1e2d60;--md-primary-container: #364675;--md-on-primary-container: #dce2ff;--md-background: #121318;--md-surface: #121318;--md-surface-container: #1e1f25;--md-surface-high: #292a30;--md-on-surface: #e3e2e9;--md-on-surface-variant: #c6c5ce;--md-outline: #90909a;--md-success: #a5d6aa}.state-badge[data-state=supported]{background:#204d2b;color:#c0edc3}.state-badge[data-state=unsupported]{background:#93000a;color:#ffdad6}}