main{flex:1;display:flex;flex-direction:column;align-items:center;padding:32px 24px;gap:24px;width:100%}.container-wide{width:100%;max-width:1120px;margin:0 auto;display:flex;flex-direction:column;gap:20px}.title-section{display:flex;align-items:center;gap:12px;flex-wrap:wrap;width:100%}.split-panels{display:grid;grid-template-columns:1fr 1fr;gap:24px;width:100%;align-items:start}@media(max-width:900px){.split-panels{grid-template-columns:1fr}}.options-card,.output-card{background:#161b22;border:1px solid #30363d;border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:16px;box-shadow:0 4px 20px #00000040;width:100%;box-sizing:border-box}.card-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #30363d;padding-bottom:12px;flex-wrap:wrap;gap:8px}.card-label{color:#f0f6fc;font-size:14px;font-weight:600}.header-actions-row{display:flex;gap:8px;flex-wrap:wrap}.ar-presets-lbl{font-size:11.5px;font-weight:600;color:#8b949e;text-transform:uppercase;letter-spacing:.5px}.chmod-presets-grid{display:flex;gap:6px;flex-wrap:wrap}.btn-outline.xs{padding:4px 8px;font-size:11.5px;border-radius:6px;border:1px solid #30363d;background:#0d1117;color:#c9d1d9}.btn-outline.xs:hover{border-color:#58a6ff;color:#58a6ff}.control-group{display:flex;flex-direction:column;gap:8px}.control-group label{font-size:12px;font-weight:600;color:#8b949e}input[type=number],input[type=text],select{background:#0d1117;border:1px solid #30363d;color:#f0f6fc;padding:8px 12px;border-radius:6px;outline:none;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:13px;width:100%;box-sizing:border-box}input:focus,select:focus{border-color:#58a6ff;box-shadow:0 0 0 3px #58a6ff26}.ar-ratio-row{display:flex;align-items:center;gap:8px}.ar-colon{color:#58a6ff;font-weight:700;font-size:16px}.ar-result-hero{background:#388bfd14;border:1px solid rgba(88,166,255,.3);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:4px}.hero-lbl{font-size:11px;font-weight:600;color:#8b949e;text-transform:uppercase;letter-spacing:.5px}.hero-val{font-size:26px;font-weight:700;color:#58a6ff;font-family:ui-monospace,SFMono-Regular,monospace}.hero-sub{font-size:12.5px;color:#8b949e}.ar-preview-box{background:#0d1117;border:1px solid #21262d;border-radius:8px;padding:20px;display:flex;align-items:center;justify-content:center;min-height:180px}.ar-preview{background:linear-gradient(135deg,#58a6ff33,#3fb95033);border:2px solid #58a6ff;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#f0f6fc;font-family:ui-monospace,SFMono-Regular,monospace;font-size:13px;transition:width .2s ease,height .2s ease}.formula-card{background:#0d1117;border:1px solid #21262d;border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px}.formula-title{font-size:12px;font-weight:600;color:#8b949e}.formula-box{background:#161b22;padding:12px;border-radius:6px;border:1px solid #30363d;font-family:ui-monospace,SFMono-Regular,monospace;color:#7ee787;font-size:13px;line-height:1.5;white-space:pre-wrap;word-break:break-all}