:root{--bg:#f9f4ef;--text:#0f172a;--card:#fff;--border:#1e293b;--muted-text:#475569;--primary:#85cdff;--primary-hover:#60a5fa;--primary-contrast:#0f172a;--accent:#fbef57;--accent-gold:#ffd451;--shadow-sharp:4px 4px 0 0 #1e293b;--shadow-sm:2px 2px 0 0 #1e293b;--shadow-card:6px 6px 0 0 #e2e8f0;--radius:12px;--space:16px;--ring:#85cdff}*{box-sizing:border-box}body,html{padding:0;margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg);color:var(--text)}h1{margin:0 0 24px;font-size:clamp(2rem,3vw + 1rem,3rem);text-align:center;letter-spacing:-.02em;font-weight:900;text-transform:uppercase}.container{max-width:960px;margin:32px auto;padding:0 24px 64px}.container:has(.sticky-bar){padding-bottom:calc(140px + env(safe-area-inset-bottom))}label{font-weight:700;display:block;margin-bottom:8px;color:var(--text)}input,select,textarea{width:100%;padding:14px 16px;border:2px solid var(--border);border-radius:var(--radius);font-size:16px;background:#fff;color:var(--text);font-weight:500;transition:all .15s ease}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;border-color:var(--primary);box-shadow:4px 4px 0 0 var(--primary)}textarea{min-height:140px;resize:vertical}button{padding:14px 24px;border:2px solid var(--border);border-radius:var(--radius);background:var(--primary);color:var(--primary-contrast);cursor:pointer;font-weight:700;font-size:16px;box-shadow:var(--shadow-sharp);transition:all .15s ease;transform:translate(0)}button:hover{transform:translateY(-2px);box-shadow:6px 6px 0 0 var(--border)}button:active{transform:translate(2px,2px);box-shadow:0 0 0 0 var(--border)}button:focus-visible{outline:none;box-shadow:0 0 0 4px var(--primary-hover)}button.secondary{background:#fff;color:var(--text);box-shadow:2px 2px 0 0 var(--border)}button.secondary:hover{background:var(--bg);box-shadow:4px 4px 0 0 var(--border)}button.secondary:active{transform:translate(1px,1px);box-shadow:0 0 0 0 var(--border)}button:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none!important;background:#cbd5e1}.row{grid-template-columns:1fr 1fr}.row,.stack{display:grid;grid-gap:var(--space);gap:var(--space)}.card{border:2px solid var(--border);border-radius:var(--radius);padding:24px;background:var(--card);box-shadow:var(--shadow-card)}.card+.card{margin-top:var(--space)}.actions{display:flex;gap:12px;flex-wrap:wrap}pre.output{white-space:pre-wrap;word-wrap:break-word;font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:14px;background:#f1f5f9;border:2px solid var(--border);border-radius:8px;padding:16px}.muted{color:var(--muted-text)}details.card>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:700}details.card>summary::-webkit-details-marker{display:none}details.card>summary:after{content:"▼";font-size:12px;color:var(--text);margin-left:8px}details.card[open]>summary:after{content:"▲"}.spinner{display:inline-block;width:16px;height:16px;border:3px solid;border-top:3px solid transparent;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.caret{display:inline-block;width:10px;height:1.2em;background:var(--text);margin-left:4px;vertical-align:middle;animation:blink 1s step-start infinite}@keyframes blink{50%{opacity:0}}@media (max-width:640px){.container{padding:0 16px 96px}.actions,.row{grid-template-columns:1fr}.actions{display:grid}button{width:100%}}.sticky-bar{position:fixed;left:0;right:0;bottom:0;padding:16px;background:hsla(0,0%,100%,.95);border-top:2px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;gap:12px;align-items:center;justify-content:center;z-index:100;box-shadow:0 -4px 0 0 rgba(30,41,59,.1)}.option-card{padding:24px;border-radius:var(--radius);border:2px solid var(--border);background:#fff;box-shadow:4px 4px 0 0 var(--border);transition:all .2s;cursor:pointer}.option-card:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 0 var(--border)}.option-card.option-card--glass{background:#fff}.option-card .option-title{font-size:20px;font-weight:800;margin-bottom:8px}.option-card .option-desc{font-size:15px;color:var(--muted-text);margin-bottom:16px;line-height:1.5}.pill-cta{display:inline-block;width:auto;padding:8px 16px;border-radius:var(--radius);border:2px solid var(--border);font-weight:700;text-align:center;box-shadow:2px 2px 0 0 var(--border)}.pill-cta,button.accent{background:var(--accent);color:var(--text)}button.accent{border-color:var(--border)}button.accent:hover{background:var(--accent-gold)}button.accent:focus-visible{box-shadow:0 0 0 4px var(--accent-gold)}.custom-select-container{position:relative;width:100%}.custom-select-trigger{width:100%;padding:14px 16px;border:2px solid var(--border);border-radius:var(--radius);background:#fff;color:var(--text);font-weight:500;font-size:16px;text-align:left;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:all .15s ease}.custom-select-trigger:focus-visible{outline:none;border-color:var(--primary);box-shadow:4px 4px 0 0 var(--primary)}.custom-select-trigger:after{content:"";width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--text)}.custom-select-options{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border:2px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);z-index:200;max-height:240px;overflow-y:auto;padding:6px;display:grid;grid-gap:2px;gap:2px}.custom-select-option{padding:10px 12px;border-radius:6px;cursor:pointer;font-weight:500;color:var(--text);transition:background .1s}.custom-select-option.is-selected,.custom-select-option:hover{background:var(--bg);font-weight:700}.select-pill{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%230F172A' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;border:2px solid var(--border)}.badge.success{background:#dcfce7;color:#166534}.badge.warn{background:#ffedd5;color:#9a3412}