/* Swap Widget - Uniswap-style Design */

.swap-card {
  background: var(--bg-card);
  border-radius: 24px;
  padding: 16px;
  max-width: 480px;
  margin: 0 auto;
  border: 1px solid var(--border-primary);
}

.swap-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding: 0 8px;
}

.swap-header h2 {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
}

.swap-header .settings-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: all 0.2s;
}

.swap-header .settings-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

/* Token Input Container */
.token-input-container {
  background: var(--bg-secondary);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid transparent;
  transition: border-color 0.2s;
}

.token-input-container:hover,
.token-input-container:focus-within {
  border-color: var(--border-secondary);
}

.token-input-container.sell {
  margin-bottom: 4px;
}

.token-input-container.buy {
  margin-top: 4px;
}

.token-input-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.token-input-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.token-balance {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.max-btn {
  background: rgba(16, 185, 129, 0.15);
  color: var(--contrast-green);
  border: none;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.max-btn:hover {
  background: rgba(16, 185, 129, 0.25);
}

.token-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.token-amount-input {
  flex: 1;
  background: none;
  border: none;
  font-size: 28px;
  font-weight: 500;
  color: var(--text-primary);
  outline: none;
  min-width: 0;
}

.token-amount-input::placeholder {
  color: var(--text-muted);
}

.token-amount-input.loading {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.token-amount-input:read-only {
  cursor: default;
}

/* Token Select Button */
.token-select-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.token-select-btn:hover {
  background: var(--bg-hover);
}

.token-select-btn img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.token-select-btn span {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.token-select-btn i {
  font-size: 12px;
  color: var(--text-muted);
}

/* Flip Button — only the legacy Uniswap layout uses a collapsed spacer */
.swap-flip-container {
  display: flex;
  justify-content: center;
  position: relative;
  height: 0;
  z-index: 2;
}

.swap-flip-container .flip-btn {
  position: absolute;
  top: -20px;
}

.flip-btn {
  position: relative;
  top: auto;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 4px solid var(--bg-primary);
  border-radius: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flip-btn:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.flip-btn:active {
  transform: rotate(180deg);
}

/* Swap Info */
.swap-info {
  padding: 12px 8px;
  margin-top: 12px;
}

.swap-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
}

.swap-info-row span:first-child {
  color: var(--text-muted);
}

.swap-info-row span:last-child {
  color: var(--text-secondary);
}

.swap-info-error {
  color: var(--contrast-orange);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 8px;
}

/* Swap Button */
.swap-btn {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 16px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 12px;
}

.swap-btn.connect {
  background: var(--contrast-green);
  color: white;
}

.swap-btn.connect:hover {
  background: var(--contrast-green-dark);
}

.swap-btn.ready {
  background: var(--contrast-green);
  color: white;
}

.swap-btn.ready:hover {
  background: var(--contrast-green-dark);
  transform: translateY(-1px);
}

.swap-btn.disabled {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: not-allowed;
}

.swap-btn.loading {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: wait;
}

.swap-btn.error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--contrast-red);
  cursor: not-allowed;
}

/* Token Modal */
.token-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.token-modal {
  background: var(--bg-card);
  border-radius: 20px;
  width: 420px;
  max-width: 90vw;
  max-height: 80vh;
  overflow: hidden;
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.token-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-primary);
}

.token-modal-header h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: all 0.2s;
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.token-modal-search {
  padding: 16px 20px;
}

.token-modal-search input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.token-modal-search input:focus {
  border-color: var(--contrast-green);
}

.token-modal-search input::placeholder {
  color: var(--text-muted);
}

.token-modal-list {
  max-height: 400px;
  overflow-y: auto;
  padding: 8px;
}

.token-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.token-option:hover {
  background: var(--bg-hover);
}

.token-option img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.token-option-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.token-option-symbol {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.token-option-name {
  font-size: 13px;
  color: var(--text-muted);
}

.token-option-balance {
  font-size: 14px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Scrollbar */
.token-modal-list::-webkit-scrollbar {
  width: 6px;
}

.token-modal-list::-webkit-scrollbar-track {
  background: transparent;
}

.token-modal-list::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: 3px;
}

.token-modal-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}