.atx-hero{background:linear-gradient(115deg,#102d32 0%,#17665f 58%,#6e2a59 100%)}
body{line-height:calc(1.5 * var(--a11y-line,1))}
.atx-hero:before{content:'Aa';color:rgba(255,255,255,.05)}
.atx-hero .eyebrow{color:#9ce6d3}.atx-hero h1 em{color:#b9f1df}
.atx-app{background:linear-gradient(180deg,#f4faf9 0%,#fff 320px)}
.atx-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}
.atx-panel,.atx-preview{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 1px 2px rgba(7,20,42,.07),0 14px 38px rgba(11,37,69,.07)}
.atx-controls{padding:28px}.atx-panel-head{display:flex;justify-content:space-between;gap:20px;align-items:start;margin-bottom:24px}.atx-panel h2,.atx-preview h2{font-size:clamp(1.5rem,3vw,2.4rem);letter-spacing:-.04em;margin:7px 0 0;color:var(--navy)}
.atx-reset{white-space:nowrap;border-radius:999px}.atx-control-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.atx-control,.atx-toggle{border:1px solid var(--line);border-radius:14px;padding:15px;background:#fbfcfd}.atx-control>div{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px}.atx-control strong,.atx-toggle strong{display:block;color:var(--navy)}.atx-control small,.atx-toggle small{display:block;color:#687482;font-size:.78rem;margin-top:4px}.atx-control>div small{font-weight:700;color:var(--teal,#168578)}.atx-control input{width:100%;accent-color:#168578}.atx-toggle{display:flex;align-items:start;gap:12px;cursor:pointer}.atx-toggle input{width:20px;height:20px;accent-color:#168578;margin-top:1px;flex:none}.atx-voice{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:18px;padding:18px;border-radius:14px;background:#e9f7f3;border:1px solid #c8ebe2}.atx-voice strong{display:block;color:#14564e}.atx-voice small{display:block;color:#466a66;margin-top:5px}.atx-voice-actions{display:flex;gap:8px;flex-wrap:wrap}.atx-voice-actions .button{border-radius:999px}.atx-status{min-height:1.2em;color:#17665f;font-size:.85rem;margin:14px 0 0}.atx-preview{padding:25px;background:linear-gradient(160deg,#f4fbfa,#fff)}.atx-preview article{margin-top:18px;padding:22px;border-radius:14px;background:#fff;border:1px solid #dcece8}.atx-preview article h3{margin:0 0 12px;color:var(--navy)}.atx-preview article p{line-height:calc(1.7 * var(--a11y-line,1));font-size:calc(1rem * var(--a11y-scale,1));color:#465661}.atx-preview article a{color:#126d64;font-weight:700}.atx-keyboard{display:grid;gap:9px;margin-top:18px;color:#4e5e72;font-size:.85rem}.atx-keyboard strong{color:var(--navy)}kbd{background:#edf2f4;border:1px solid #cbd6da;border-bottom-width:2px;border-radius:4px;padding:2px 6px;color:#17333a;font:600 .78rem Manrope,sans-serif}
.a11y-contrast body{background:#fff;color:#000}.a11y-contrast a,.a11y-contrast button{outline-color:#000}.a11y-contrast .site-header,.a11y-contrast .atx-panel,.a11y-contrast .atx-preview,.a11y-contrast .atx-control,.a11y-contrast .atx-toggle{border-color:#000}.a11y-contrast .atx-preview article{background:#fff;border-color:#000}.a11y-gray body,.a11y-gray .site-header{filter:grayscale(1)}.a11y-readable body,.a11y-readable button,.a11y-readable input,.a11y-readable textarea,.a11y-readable select{font-family:Arial,'Tahoma',sans-serif}.a11y-focus :focus-visible{outline:4px solid #ff9f1c!important;outline-offset:3px!important}
@media(max-width:800px){.atx-layout{grid-template-columns:1fr}.atx-control-grid{grid-template-columns:1fr}.atx-voice{align-items:start;flex-direction:column}.atx-panel-head{flex-direction:column}.atx-reset{align-self:start}}
/* read-aloud voice + speed options */
.atx-voice-options{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:12px 16px;margin-top:14px;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--paper)}
.atx-voice-options label{display:flex;flex-direction:column;gap:6px;font-size:.82rem;font-weight:600;color:var(--ink)}.atx-voice-options label small{font-weight:400;color:var(--muted)}
.atx-voice-options select{padding:9px 10px;border:1px solid var(--line);border-radius:4px;font:inherit;background:#fff;color:var(--ink);max-width:100%}
.atx-voice-options input[type="range"]{width:100%}.atx-voice-note{grid-column:1/-1;margin:0;font-size:.78rem;line-height:1.6;color:var(--muted)}
[data-theme="dark"] .atx-voice-options{background:var(--dm-surface);border-color:var(--dm-border)}[data-theme="dark"] .atx-voice-options label{color:var(--dm-text)}[data-theme="dark"] .atx-voice-options select{background:var(--dm-bg);border-color:var(--dm-border);color:var(--dm-text)}
@media(max-width:800px){.atx-voice-options{grid-template-columns:1fr}}
/* read-aloud how-to steps + floating "read this" button that follows a text selection */
.atx-howto{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px}.atx-howto li{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:#fff}
.atx-howto b{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:.82rem}.atx-howto strong{display:block;font-size:.9rem;color:var(--ink)}.atx-howto span{display:block;margin-top:3px;font-size:.8rem;line-height:1.6;color:var(--muted)}
[data-theme="dark"] .atx-howto li{background:var(--dm-surface);border-color:var(--dm-border)}[data-theme="dark"] .atx-howto strong{color:var(--dm-text)}[data-theme="dark"] .atx-howto span{color:var(--dm-text-muted)}
.atx-float{position:fixed;z-index:1300;display:none;align-items:center;gap:8px;padding:9px 14px;border:0;border-radius:999px;background:var(--navy);color:#fff;font:700 .84rem/1 inherit;box-shadow:0 1px 2px rgba(7,20,42,.07),0 12px 30px rgba(5,31,58,.3);cursor:pointer;transform:translate(-50%,-100%)}
.atx-float.is-visible{display:inline-flex}.atx-float:hover{background:#0b2a52}
.atx-toggle-quick{display:flex;margin:16px 0 4px;border-color:var(--brand-pink);background:#fff5fa}[data-theme="dark"] .atx-toggle-quick{background:var(--dm-surface)}