/* ========== Base (Light mode – from scanner-manual-main 3) ========== */
body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background-color: #FFFFFF;
  color: #1f1e1e;
}

.container {
  padding: 20px 16px 100px;
  max-width: 500px;
  margin: 0 auto;
}

.title {
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 24px;
  color: #000000;
}

.label {
  font-size: 14px;
  color: #666666;
  margin: 16px 0 8px 0;
  display: block;
  font-weight: 500;
}

.input-group {
  display: flex;
  align-items: center;
  background-color: #FFFFFF;
  border: 1px solid #4285F4;
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 16px;
  min-height: 48px;
  max-height: 48px;
  box-sizing: border-box;
  gap: 8px;
  overflow: hidden;
}

.input-group input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: #000000;
  font-size: 16px;
  font-weight: 500;
  padding: 0;
  margin: 0;
  height: auto;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Remove number input spinner (clicker) */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.text-btn,
.icon-btn,
.max-btn {
  background: none;
  border: none;
  color: #4285F4;
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: 0;
}

.icon-btn {
  font-size: 16px;
}

.unit {
  color: #4b5563;
  font-size: 14px;
  flex-shrink: 0;
}

/* Network select – light: #EEEEEE pill, ref image */
.network-select {
  display: flex;
  align-items: center;
  background-color: #EEEEEE;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 16px;
  cursor: pointer;
  gap: 8px;
  min-height: 44px;
  max-height: 44px;
  max-width: 70%;
  width: fit-content;
  box-sizing: border-box;
}

.network-select:hover {
  background-color: #E5E5E5;
  border-color: #d0d0d0;
}

.network-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bnb-logo-img {
  width: 20px;
  height: 20px;
  object-fit: cover;
  display: block;
  border-radius: 50%;
  flex-shrink: 0;
}

.network-text {
  flex: 0 1 auto;
  color: #808080;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
}

.network-arrow {
  color: #666666;
  font-size: 10px;
  margin-left: auto;
  flex-shrink: 0;
}

.estimate {
  color: #808080;
  margin-top: -12px;
  margin-bottom: 24px;
  font-size: 14px;
}

.preview-hint {
  text-align: center;
  margin-top: 16px;
  margin-bottom: 0;
}

.preview-btn {
  background: none;
  border: none;
  color: #4285F4;
  font-size: 13px;
  text-decoration: underline;
  cursor: pointer;
  padding: 4px 8px;
}

.preview-btn:hover {
  color: #3367D6;
}

.next-btn {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  padding: 16px;
  background-color: #4285F4;
  color: #ffffff;
  border: none;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  z-index: 1000;
  transition: all 0.3s ease;
}

.next-btn:hover:not(:disabled) {
  background-color: #3367D6;
}

.next-btn:disabled {
  background-color: #93C5FD;
  color: #ffffff;
  cursor: not-allowed;
  opacity: 1;
}

/* Loading overlay – Light mode (scanner-manual) */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
}

.loading-spinner-container {
  text-align: center;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid #0000FF;
  border-top: 4px solid rgba(0, 0, 255, 0.3);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  color: #0000FF;
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

/* ========== Success modal – Light mode ========== */
.success-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99999;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: visibility 0.25s, opacity 0.25s;
}

.success-modal.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.success-modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}

.success-modal__sheet {
  position: relative;
  width: 100%;
  max-width: 100%;
  max-height: 58vh;
  min-height: 320px;
  background: #ffffff;
  border-radius: 1rem 1rem 0 0;
  padding: 48px 24px 28px;
  padding-bottom: calc(28px + env(safe-area-inset-bottom));
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 255, 0.1);
  transform: translateY(100%);
  transition: transform 0.4s ease-out;
  will-change: transform;
  flex-shrink: 0;
}

.success-modal.is-open .success-modal__sheet {
  transform: translateY(0);
}

.success-modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: #1f1e1e;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.8;
}

.success-modal__close:hover {
  opacity: 1;
}

.success-modal__graphic {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.success-modal__icon {
  width: 100px;
  height: 100px;
  filter: drop-shadow(0 0 14px rgba(0, 0, 255, 0.25));
}

.success-modal__title {
  margin: 0 0 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #1f1e1e;
  text-align: center;
}

.success-modal__desc {
  margin: 0 0 28px;
  font-size: 0.875rem;
  line-height: 1.55;
  color: #4b5563;
  text-align: center;
  padding: 0 8px;
}

.success-modal__btn {
  display: block;
  width: 100%;
  padding: 16px 24px;
  background: #0000FF;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.success-modal__btn:hover {
  background: #0000CC;
}

.success-modal__btn:active {
  transform: scale(0.98);
}

/* ========== Dark mode (prefers-color-scheme: dark) – scanner-manual ========== */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #1b1b1b;
    color: #ffffff;
  }

  .container {
    background-color: #1b1b1b;
  }

  .title {
    color: #ffffff;
  }

  .label {
    color: #B0B0B0;
  }

  .input-group,
  .address-input-group,
  .amount-input-group {
    background-color: #1b1b1b;
    border: 1px solid #00E676;
  }

  .input-group input {
    color: #ffffff;
  }

  .input-group input::placeholder {
    color: #9ca3af;
  }

  .text-btn,
  .icon-btn,
  .max-btn {
    color: #00E676;
  }

  .unit {
    color: #4b5563;
  }

  .network-select {
    background-color: #2F2F2F;
    border: 1px solid #404040;
  }

  .network-select:hover {
    background-color: #3a3a3a;
    border-color: #505050;
  }

  .network-text {
    color: #ffffff;
  }

  .network-arrow {
    color: #CCCCCC;
  }

  .estimate {
    color: #B0B0B0;
  }

  .preview-btn {
    color: #00E676;
  }

  .preview-btn:hover {
    color: #00C968;
  }

  .next-btn {
    background-color: #00E676;
    color: #000000;
  }

  .next-btn:hover:not(:disabled) {
    background-color: #00C968;
  }

  .next-btn:disabled {
    background-color: #25653A;
    color: #B0B0B0;
    cursor: not-allowed;
    opacity: 1;
  }

  /* Loading overlay – Dark mode */
  .loading-overlay {
    background-color: rgba(0, 0, 0, 0.8);
  }

  .loading-spinner {
    border: 4px solid #00E676;
    border-top: 4px solid rgba(0, 230, 118, 0.3);
  }

  .loading-text {
    color: #00E676;
  }

  /* Success modal – Dark mode */
  .success-modal__sheet {
    background: #111;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(73, 230, 120, 0.2);
  }

  .success-modal__close {
    color: #fff;
  }

  .success-modal__icon {
    filter: drop-shadow(0 0 14px rgba(73, 230, 120, 0.35));
  }

  .success-modal__title {
    color: #fff;
  }

  .success-modal__desc {
    color: rgba(255, 255, 255, 0.85);
  }

  .success-modal__btn {
    background: #00E676;
    color: #000;
  }

  .success-modal__btn:hover {
    background: #00C968;
  }
}

/* ========== Mobile ========== */
@media (max-width: 480px) {
  .container {
    padding: 20px 10px 100px;
  }

  .input-group {
    padding: 10px;
    gap: 12px;
  }

  .next-btn {
    padding: 14px;
    font-size: 15px;
  }
}