*,:after,:before{box-sizing:border-box}body{background:#1c205c;color:#222;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;margin:0}.container{background:#fff;border-radius:12px;box-shadow:0 8px 25px rgba(0,0,0,.06);margin:0 auto;max-width:900px;padding:20px 24px 28px}p.description{color:#555;font-size:.95rem;margin-top:0}.description.center{text-align:center}.section{margin-bottom:18px;margin-top:18px}label{font-weight:500}.section-title{display:block;font-size:1.05rem;font-weight:650;margin-bottom:10px}.sub-label{color:#111827;display:block;margin-bottom:6px}textarea{border:1px solid #d1d5db;border-radius:8px;font-size:.9rem;min-height:120px;padding:8px 10px;resize:vertical;width:100%}.short-textarea{min-height:110px}.text-input{border:1px solid #d1d5db;border-radius:8px;font-size:.9rem;max-width:100%;padding:10px;width:100%}.controls{align-items:center;display:flex;flex-wrap:wrap;gap:16px;margin-top:10px}.controls-block{flex:1 1 280px}.action-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}button{background:#1d4ed8;border:1px solid #1d4ed8;border-radius:8px;box-shadow:0 2px 10px rgba(37,99,235,.25);color:#fff;cursor:pointer;font-size:.95rem;font-weight:500;padding:8px 16px;transition:background .15s ease,transform .05s ease,box-shadow .15s ease}button.secondary{background:#fff;box-shadow:none;color:#1d4ed8}button:disabled{background:#d1d5db;border-color:#d1d5db;box-shadow:none;color:#6b7280;cursor:default}.status{color:#6b7280;font-size:.85rem;margin-top:8px}.status.error{color:#b91c1c}.status.success{color:#166534}.key-box{align-items:center;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;display:flex;font-family:ui-monospace,monospace;font-size:.9rem;gap:8px;margin-top:8px;padding:8px 10px}.preview-pane.single{margin-top:14px}.preview-box{background:#f9fafb;border:1px solid #e5e7eb;border-radius:10px;margin-top:6px;padding:8px}.preview-textarea{background:transparent;border:none;font-family:ui-monospace,monospace;height:160px;resize:none;width:100%}.decrypt-grid{display:grid;gap:12px;grid-template-columns:1fr;margin-top:6px}.decrypt-grid>div{min-width:0}.short-textarea{max-width:100%;width:100%}@media (min-width:780px){.decrypt-grid{align-items:start;grid-template-columns:1fr 1.4fr}}.inline-row{align-items:center;display:flex;gap:10px;justify-content:space-between}.mini-btn{background:#eef2ff;border:1px solid #c7d2fe;border-radius:8px;box-shadow:none;color:#1d4ed8;font-size:.85rem;font-weight:600;padding:6px 10px}.mini-btn:disabled{background:#f3f4f6;border-color:#e5e7eb;color:#9ca3af}.has-infield-btn{position:relative}.infield-copy{background:#eef2ff;border:1px solid #c7d2fe;border-radius:8px;box-shadow:none;color:#1d4ed8;cursor:pointer;font-size:.85rem;font-weight:600;padding:6px 10px;position:absolute;right:10px}.infield-copy:disabled{background:#f3f4f6;border-color:#e5e7eb;color:#9ca3af;cursor:default}.key-box,.preview-box{width:100%}.key-text{display:block;line-height:1.25;overflow-wrap:anywhere}.key-box.has-infield-btn{min-height:44px;padding-right:84px}.preview-box.has-infield-btn{padding-right:12px;padding-top:42px}.preview-textarea.encrypted-preview{padding-right:84px;padding-top:0}.flow-grid{display:flex;flex-direction:column;gap:18px;margin-top:16px}.flow-box{background:#fff;border:1px solid #eef2f7;border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,.04);padding:16px 16px 14px}