/* ════════════════════════════════════════════════════════════════════════════
   TRANSACTION SIGNER MODAL — COSMIC THEMED

   Reusable modal for confirming and signing XRPL transactions.
   Integrates with gopnik-cosmic.css design tokens.
   ════════════════════════════════════════════════════════════════════════════ */

/* Modal Overlay */
.tx-signer-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  animation: tx-signer-fade-in 0.3s ease-out;
}

.tx-signer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 10, 46, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

@keyframes tx-signer-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Modal Content */
.tx-signer-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, rgba(22, 33, 62, 0.95) 0%, rgba(15, 14, 42, 0.98) 100%);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(139, 92, 246, 0.25);
  animation: tx-signer-scale-in 0.3s ease-out;
}

@keyframes tx-signer-scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Header */
.tx-signer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(139, 92, 246, 0.15);
}

.tx-signer-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Poppins', sans-serif;
}

.tx-signer-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.tx-signer-close:hover {
  background: rgba(139, 92, 246, 0.15);
  color: var(--text-primary);
}

/* Scrollable content area */
.tx-signer-details,
.tx-signer-status,
.tx-signer-success,
.tx-signer-failure {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

/* Transaction Details */
.tx-detail-section {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
}

.tx-detail-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.tx-detail-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
}

.tx-detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  word-break: break-word;
  line-height: 1.5;
}

.tx-detail-mono {
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  background: rgba(139, 92, 246, 0.08);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  letter-spacing: 0.3px;
}

/* 2FA Input */
.tx-detail-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(22, 33, 62, 0.8);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-align: center;
  transition: var(--transition-fast);
  font-family: 'Courier New', monospace;
}

.tx-detail-input:focus {
  outline: none;
  border-color: var(--accent-purple);
  background: rgba(22, 33, 62, 0.95);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.tx-detail-hint {
  display: block;
  margin-top: var(--spacing-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Status Stream */
.tx-status-stream {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
}

.tx-status-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.tx-status-dot {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.15);
  border: 2px solid rgba(139, 92, 246, 0.3);
  font-size: 1.5rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.tx-status-step.active .tx-status-dot {
  background: rgba(52, 211, 153, 0.2);
  border-color: var(--accent-green);
  color: var(--accent-green);
  animation: tx-status-pulse 1.5s ease-in-out infinite;
}

.tx-status-step.completed .tx-status-dot {
  background: rgba(52, 211, 153, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

@keyframes tx-status-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(52, 211, 153, 0);
  }
}

.tx-status-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.tx-status-step.active .tx-status-label,
.tx-status-step.completed .tx-status-label {
  color: var(--accent-green);
}

.tx-status-divider {
  height: 2px;
  flex: 1;
  background: rgba(139, 92, 246, 0.15);
  margin: 0 var(--spacing-sm);
  margin-top: 16px;
}

.tx-status-message {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: var(--spacing-lg) 0;
}

/* Success State */
.tx-signer-success {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
}

.tx-success-icon {
  font-size: 3rem;
  color: var(--accent-green);
  animation: tx-success-scale 0.5s ease-out;
}

@keyframes tx-success-scale {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.tx-success-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Poppins', sans-serif;
}

.tx-success-details {
  width: 100%;
  text-align: left;
}

.tx-success-hash {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.tx-success-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.tx-success-hash code {
  background: rgba(139, 92, 246, 0.08);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--accent-cyan);
  word-break: break-all;
  line-height: 1.4;
}

.tx-success-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--accent-purple);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.1);
  transition: var(--transition-fast);
}

.tx-success-link:hover {
  background: rgba(139, 92, 246, 0.2);
  color: var(--accent-cyan);
}

/* Failure State */
.tx-signer-failure {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
}

.tx-failure-icon {
  font-size: 3rem;
  color: var(--accent-orange);
}

.tx-failure-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Poppins', sans-serif;
}

.tx-failure-error {
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.3);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: left;
}

.tx-failure-code {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.tx-failure-code-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.tx-failure-code code {
  background: rgba(139, 92, 246, 0.08);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--accent-orange);
  word-break: break-all;
}

/* Footer */
.tx-signer-footer {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-top: 1px solid rgba(139, 92, 246, 0.15);
}

.tx-signer-btn {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: 44px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tx-signer-btn-primary {
  background: linear-gradient(135deg, var(--accent-purple) 0%, #7c3aed 100%);
  color: #fff;
}

.tx-signer-btn-primary:hover:not(:disabled) {
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
  transform: translateY(-2px);
}

.tx-signer-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tx-signer-btn-secondary {
  background: transparent;
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--text-primary);
}

.tx-signer-btn-secondary:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: var(--accent-purple);
}

/* Responsive */
@media (max-width: 480px) {
  .tx-signer-content {
    max-width: 100%;
    max-height: 100vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    animation: tx-signer-slide-up 0.3s ease-out;
  }

  @keyframes tx-signer-slide-up {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }

  .tx-status-stream {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .tx-status-divider {
    width: 2px;
    height: 20px;
    margin: 0;
  }

  .tx-signer-footer {
    flex-direction: column-reverse;
  }
}