*{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#1a1a2e;--bg-secondary:#16213e;--bg-card:#1f2940;--bg-input:#0f1626;--text-primary:#e0e0e0;--text-secondary:#a0a0b0;--accent:#7c3aed;--accent-hover:#6d28d9;--success:#22c55e;--error:#ef4444;--border:#2a3550;--border-focus:#7c3aed}body{background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#root{max-width:480px;margin:0 auto;padding:16px}.header{justify-content:space-between;align-items:center;margin-bottom:16px;padding:12px 0;display:flex}.header h1{color:var(--text-primary);font-size:20px;font-weight:700}.step-indicator{align-items:center;gap:8px;display:flex}.step-dot{background:var(--border);border-radius:50%;width:10px;height:10px;transition:background .2s}.step-dot.active{background:var(--accent)}.step-dot.done{background:var(--success)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;margin-bottom:16px;padding:20px}.card-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;font-size:14px;font-weight:600}label{color:var(--text-secondary);margin-top:14px;margin-bottom:6px;font-size:13px;font-weight:500;display:block}label:first-child{margin-top:0}input,select,textarea{background:var(--bg-input);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:8px;outline:none;padding:10px 14px;font-size:14px;transition:border-color .2s}input:focus,select:focus,textarea:focus{border-color:var(--border-focus)}textarea{resize:vertical;min-height:120px;font-family:inherit}select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:36px}select option{background:var(--bg-input);color:var(--text-primary)}.btn{cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:100%;padding:14px 20px;font-size:15px;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{color:var(--text-secondary);border:1px solid var(--border);background:0 0}.btn-secondary:hover{border-color:var(--text-secondary)}.btn-row{gap:10px;margin-top:16px;display:flex}.btn-row .btn{flex:1}.preview-frame{background:#fff;border-radius:8px;margin:12px 0;overflow:hidden}.preview-toggle{justify-content:flex-end;gap:4px;margin-bottom:8px;display:flex}.preview-toggle button{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:6px;padding:6px 12px;font-size:12px}.preview-toggle button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.result-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;overflow:hidden}.result-header{align-items:center;gap:10px;padding:16px 20px;display:flex}.result-header.success{background:#22c55e1a;border-bottom:1px solid #22c55e33}.result-header.error{background:#ef44441a;border-bottom:1px solid #ef444433}.result-header .icon{font-size:20px}.result-header .title{font-size:15px;font-weight:600}.result-body{padding:20px}.result-row{border-bottom:1px solid var(--border);justify-content:space-between;padding:8px 0;font-size:13px;display:flex}.result-row:last-child{border-bottom:none}.result-row .label{color:var(--text-secondary);align-items:center;gap:6px;display:flex}.result-row .value{color:var(--text-primary);text-align:right;word-break:break-all;max-width:60%;font-weight:500}.status-sent{color:var(--success);font-weight:700}.status-failed{color:var(--error);font-weight:700}.cost-badge{color:var(--success);font-weight:700}.loading{color:var(--text-secondary);justify-content:center;align-items:center;padding:40px;display:flex}