.mtb-start-button{appearance:none;border:0;border-radius:999px;padding:14px 24px;font-size:16px;font-weight:600;background:#111;color:#fff;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.16)}
.mtb-modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.38);backdrop-filter:blur(12px);z-index:9998;display:none}
.mtb-modal-backdrop.is-open{display:block}
.mtb-modal{position:fixed;left:0;right:0;bottom:0;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-radius:22px 22px 0 0;box-shadow:0 -10px 40px rgba(0,0,0,.14);z-index:9999;transform:translateY(102%);transition:transform .28s ease;max-height:90vh;height:min(90vh,780px);display:flex;flex-direction:column;overflow:hidden}
.mtb-modal.is-open{transform:translateY(0)}
.mtb-modal__desktop{display:none}
.mtb-modal__layout{display:flex;flex-direction:column;flex:1;min-height:0}
.mtb-main{display:flex;flex-direction:column;flex:1;min-height:0}
.mtb-modal__header{padding:14px 16px;border-bottom:1px solid rgba(0,0,0,.06);display:flex;align-items:center;justify-content:space-between;gap:10px}.mtb-modal__title{font-size:18px;font-weight:700;margin:0}.mtb-close{appearance:none;border:0;background:#efefef;border-radius:999px;width:36px;height:36px;cursor:pointer}
.mtb-modal__meta{padding:14px 16px 0;flex:0 0 auto}.mtb-step-counter{font-size:14px;color:#666;margin-bottom:10px}.mtb-progress{height:8px;background:#e9ecef;border-radius:999px;overflow:hidden}.mtb-progress span{display:block;height:100%;background:#111;border-radius:999px;width:0}
.mtb-modal__body{padding:16px;overflow-y:auto;overflow-x:hidden;flex:1 1 auto;min-height:0;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.mtb-step-title{font-size:20px;font-weight:700;margin:0 0 10px}.mtb-step-content{font-size:15px;line-height:1.7;word-break:break-word}.mtb-modal__footer{padding:14px 16px 18px;display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid rgba(0,0,0,.06);flex:0 0 auto;background:rgba(255,255,255,.92)}.mtb-btn{appearance:none;border:0;border-radius:16px;padding:14px 18px;font-size:15px;font-weight:600;cursor:pointer}.mtb-btn--secondary{background:#f2f2f2;color:#111}.mtb-btn--primary{background:#111;color:#fff}
.mtb-sidebar{display:none}
body.mtb-no-scroll{overflow:hidden}
@media (min-width: 992px){.mtb-modal{top:50%;left:50%;right:auto;bottom:auto;transform:translate(-50%,-42%);width:min(1080px,92vw);max-height:84vh;height:min(84vh,820px);border-radius:28px}.mtb-modal.is-open{transform:translate(-50%,-50%)}.mtb-modal__layout{display:grid;grid-template-columns:280px 1fr;min-height:0;height:100%}.mtb-sidebar{display:block;padding:16px;border-right:1px solid rgba(0,0,0,.06);overflow:auto}.mtb-sidebar.is-hidden{display:none}.mtb-sidebar__item{display:block;width:100%;text-align:left;background:#f5f5f5;border:0;border-radius:16px;padding:12px 14px;margin-bottom:10px;cursor:pointer}.mtb-sidebar__item.is-active{background:#111;color:#fff}.mtb-main{display:flex;flex-direction:column;min-width:0;min-height:0}.mtb-modal__footer{grid-template-columns:140px 140px;justify-content:end}}