/* Кнопка */
.sb-btn {
  background-color: #1a1a1a;
  color: #fff;
  border: 1px solid #1a1a1a;
  padding: 14px 28px;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.3s ease;
}

.sb-btn:hover {
  background-color: transparent;
  color: #1a1a1a;
}

/* Оверлей модального окна */
.sb-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 99999;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.sb-modal-overlay.open {
  display: flex;
}

/* Карточка окна */
.sb-modal-window {
  background: #ffffff;
  max-width: 540px;
  width: 100%;
  padding: 40px 35px;
  box-sizing: border-box;
  position: relative;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  font-family: inherit;
}

/* Кнопка закрытия */
.sb-modal-close {
  position: absolute;
  top: 15px;
  right: 20px;
  background: none;
  border: none;
  font-size: 28px;
  line-height: 1;
  color: #777;
  cursor: pointer;
}

.sb-title {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 22px;
  font-weight: 500;
  color: #222;
  text-align: center;
}

h3.sb-title {
padding-bottom: 10px;
padding-top: 10px;
}

/* Переключение шагов */
.sb-step {
  display: none;
}

.sb-step.active {
  display: block;
}

/* Текст правил */
.sb-rules-content {
  font-size: 14px;
  line-height: 1.6;
  color: #444;
  margin-bottom: 25px;
}

.sb-rules-content ul {
  padding-left: 20px;
  margin-top: 12px;
}

.sb-rules-content p {
  font-size: 14px;
}

.sb-rules-content li {
  margin-bottom: 8px;
  font-size: 12px;
}

/* Элементы формы */
.sb-form-group {
  margin-bottom: 18px;
  text-align: left;
}

.sb-form-group label {
  display: block;
  font-size: 13px;
  color: #555;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sb-form-group input,
.sb-form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #d5d5d5;
  border-radius: 2px;
  font-size: 15px;
  box-sizing: border-box;
  font-family: inherit;
  transition: border-color 0.2s;
}

.sb-form-group input:focus,
.sb-form-group textarea:focus {
  border-color: #1a1a1a;
  outline: none;
}

.sb-modal-footer {
  text-align: center;
  margin-top: 25px;
}

.sb-modal-footer .sb-btn {
  width: 100%;
}

.sb-status-message {
  margin-top: 15px;
  font-size: 14px;
  text-align: center;
}
.sb-status-message.success { color: #2e7d32; }
.sb-status-message.error { color: #d32f2f; }