.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .55rem 1.05rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  background: linear-gradient(135deg,#ff7b00,#ff5500);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: transform .06s ease, box-shadow .2s ease, background .2s ease, opacity .2s ease;
  min-height: 48px;
  box-sizing: border-box;
  box-shadow: 0 6px 18px rgba(255,123,0,.25);
  user-select: none;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(255,123,0,.35);
}
.btn:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(255,123,0,.25) inset;
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255,123,0,.3), 0 8px 26px rgba(0,0,0,.35);
}
.btn:disabled,
.btn.disabled {
  opacity: .6;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-block {
  width: 100%;
}

.btn-danger {
  background: linear-gradient(135deg,#c62828,#a11f1f);
  color: #fff;
  box-shadow: 0 6px 18px rgba(198,40,40,.28);
  transition: transform .06s ease, box-shadow .2s ease, background .2s ease;
}
.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(198,40,40,.4);
}
.btn-danger:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(198,40,40,.28) inset;
}

.btn-secondary {
  background: #151515;
  color: #eee;
  border: 1px solid #2a2a2a;
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
  transition: transform .06s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn-secondary:hover {
  transform: translateY(-1px);
  border-color: #ff7b00;
  box-shadow: 0 0 0 3px rgba(255,123,0,.15);
}
.btn-secondary:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(0,0,0,.18) inset;
}

.btn-sm {
  font-size: .9rem;
  padding: .45rem .9rem;
  min-height: 42px;
}

.btn .icon {
  margin-right: .5rem;
  display: inline-block;
  line-height: 0;
}

.data-table .btn-sm {
  padding: .3rem .6rem;
  min-height: 32px;
}

@media (max-width: 600px) {
  .btn {
    padding: .5rem .9rem;
    font-size: .92rem;
    min-height: 40px;
    border-radius: 999px;
  }
  .btn-sm {
    padding: .4rem .75rem;
    font-size: .84rem;
    min-height: 34px;
  }
  .data-table .btn-sm {
    padding: .25rem .5rem;
    font-size: .78rem;
    min-height: 28px;
  }
}