.spin-btn {
  --hub-size: clamp(4.5rem, 24vw, 5.75rem);
  position: relative;
  width: var(--hub-size);
  height: var(--hub-size);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #4a5568, #1f2437 55%, #0d1018);
  border: 3px solid var(--color-gold);
  box-shadow: 0 0 0 3px rgba(244, 193, 75, 0.2), 0 12px 22px rgba(0, 0, 0, 0.55), inset 0 2px 6px rgba(255, 255, 255, 0.14);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.12s ease, filter 0.12s ease;
}

.spin-btn:hover:not(:disabled) {
  transform: scale(1.03);
  filter: brightness(1.06);
}

.spin-btn:active:not(:disabled) {
  transform: scale(0.97);
}

.spin-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: grayscale(0.15);
}

.spin-btn__ring {
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 255, 255, 0.12);
  animation: spin-dashed 12s linear infinite;
}

.spin-btn__label {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1rem, 5vw, 1.2rem);
  letter-spacing: 0.06em;
  color: var(--color-gold);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.spin-btn__sub {
  font-size: clamp(0.55rem, 2.4vw, 0.62rem);
  color: var(--color-text-muted);
  margin-top: 0.1rem;
  max-width: 4.5rem;
  text-align: center;
  line-height: 1.15;
}

.spin-btn__count {
  display: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(0.6rem, 2.6vw, 0.7rem);
  letter-spacing: 0.05em;
  color: var(--color-gold);
  opacity: 0.85;
  line-height: 1;
  margin-top: 0.08rem;
}

.reward-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(244, 193, 75, 0.18), rgba(50, 216, 230, 0.08));
  border: 1px solid rgba(244, 193, 75, 0.35);
  font-size: clamp(0.68rem, 3vw, 0.76rem);
  font-weight: 700;
  animation: chip-in 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  max-width: 100%;
}

.reward-chip__icon {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff6d0, var(--color-gold));
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

.reward-chip span:last-child {
  min-width: 0;
  word-break: break-word;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--safe-top) 0 var(--safe-bottom);
}

.modal[hidden] {
  display: none !important;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 16, 0.72);
  backdrop-filter: blur(6px);
}

.modal__panel {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 26rem;
  margin: 0 0.75rem 0.75rem;
  padding: 1.15rem 1.1rem 1.25rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(30, 36, 58, 0.98), rgba(14, 18, 32, 0.99));
  border: 2px solid rgba(244, 193, 75, 0.45);
  box-shadow: 0 -8px 42px rgba(0, 0, 0, 0.55), 0 0 32px rgba(255, 107, 53, 0.12);
  animation: modal-rise 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.modal__close {
  position: absolute;
  top: 0.5rem;
  right: 0.55rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
}

.modal__close:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
}

.modal__badge {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-cta);
  margin-bottom: 0.35rem;
}

.modal__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.2rem, 5.5vw, 1.45rem);
  line-height: 1.1;
  margin: 0 0 0.4rem;
  text-transform: uppercase;
}

.modal__text {
  margin: 0 0 1rem;
  font-size: clamp(0.82rem, 3.4vw, 0.9rem);
  color: var(--color-text-muted);
}

.modal__fineprint {
  margin: 0.85rem 0 0;
  font-size: clamp(0.65rem, 2.8vw, 0.72rem);
  color: rgba(226, 232, 255, 0.55);
}

/* Form */
.reg-form .field {
  margin-bottom: 0.75rem;
}

.reg-form label {
  display: block;
  font-size: clamp(0.72rem, 3vw, 0.78rem);
  font-weight: 600;
  margin-bottom: 0.28rem;
  color: var(--color-text-muted);
}

.reg-form input {
  width: 100%;
  padding: 0.62rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(10, 12, 22, 0.85);
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.reg-form input::placeholder {
  color: rgba(226, 232, 255, 0.35);
}

.reg-form input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(50, 216, 230, 0.18);
}

.reg-form input.is-invalid {
  border-color: var(--color-danger);
}

.field__error {
  margin: 0.3rem 0 0;
  font-size: clamp(0.68rem, 2.9vw, 0.74rem);
  color: var(--color-danger);
}

.submit-btn {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.72rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(0.95rem, 4vw, 1.05rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #1a0f08;
  background: linear-gradient(180deg, #ff8f52, var(--color-cta) 55%, #cc4a1a);
  border: 2px solid rgba(255, 255, 255, 0.22);
  /*box-shadow: 0 8px 24px var(--color-cta-glow);*/
  transition: filter 0.15s ease, transform 0.12s ease;
}

.submit-btn:hover:not(:disabled) {
  filter: brightness(1.05);
}

.submit-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.submit-btn:disabled {
  opacity: 0.65;
  cursor: wait;
}

.form-success {
  margin: 0.65rem 0 0;
  font-size: clamp(0.78rem, 3.2vw, 0.85rem);
  font-weight: 600;
  color: var(--color-accent);
  text-align: center;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  top: calc(var(--safe-top) + 4.5rem);
  transform: translateX(-50%) scale(0.92);
  z-index: 50;
  min-width: min(18rem, calc(100vw - 2rem));
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(30, 36, 58, 0.96), rgba(20, 26, 44, 0.98));
  border: 1px solid rgba(244, 193, 75, 0.45);
  box-shadow: var(--shadow-soft);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.toast__shine {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
  animation: shine-sweep 1.8s ease-in-out infinite;
  pointer-events: none;
}

.toast__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(0.95rem, 4.2vw, 1.05rem);
  text-transform: uppercase;
  position: relative;
}

.toast__sub {
  display: block;
  margin-top: 0.2rem;
  font-size: clamp(0.72rem, 3.2vw, 0.8rem);
  color: var(--color-text-muted);
  position: relative;
}

@media (min-width: 720px) {
  .modal__panel {
    margin-bottom: 2rem;
    border-radius: 1.35rem;
  }
}