/* SecurePay DeFi Dark Theme Design System */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-dark: #0b0f19;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-input: #121826;
  --bg-input-focus: #1a2234;
  
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-glow: rgba(16, 185, 129, 0.25);
  
  --accent-blue: #3b82f6;
  --accent-amber: #f59e0b;
  --accent-purple: #8b5cf6;
  --danger: #ef4444;
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(16, 185, 129, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bg-card-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #10b981, #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 0 15px var(--primary-glow);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
  text-transform: uppercase;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.wallet-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.4rem 0.85rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--primary);
}

.network-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}

.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-icon:hover {
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-blue);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.2);
}

/* Main Container Layout */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
  flex: 1;
}

.grid-layout {
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .grid-layout {
    grid-template-columns: 1fr;
  }
}

/* Cards & Glassmorphism */
.card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card-header {
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #ffffff;
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.label-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--bg-input-focus);
  box-shadow: 0 0 10px var(--primary-glow);
}

.input-suffix {
  position: absolute;
  right: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  pointer-events: none;
}

/* Sliders */
.range-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.range-input {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Stats Cards / Yield Summary */
.yield-summary-box {
  background: rgba(10, 15, 26, 0.6);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1.5rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: #ffffff;
  margin-top: 0.2rem;
}

.stat-value.primary {
  color: var(--primary);
}

.stat-value.amber {
  color: var(--accent-amber);
}

.recovery-badge {
  grid-column: span 2;
  background: rgba(16, 185, 129, 0.1);
  border-top: 1px dashed rgba(16, 185, 129, 0.2);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

/* Buttons */
.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 1rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-normal);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Right Stage Container */
.stage-card {
  min-height: 580px;
  display: flex;
  flex-direction: column;
}

.stage-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(10, 14, 23, 0.9);
  border: 1px solid var(--bg-card-border);
  padding: 1.5rem;
}

.stage-placeholder {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 420px;
  margin: auto;
}

.placeholder-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 1.5rem auto;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.placeholder-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.placeholder-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Native Stepper Styles */
.stepper-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
}

.wallet-status-banner {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.banner-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-indicator.warning {
  background: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
}

.status-indicator.success {
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}

.btn-connect {
  background: var(--accent-blue);
  color: #ffffff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-connect:hover {
  background: #2563eb;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.step-card {
  background: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  transition: var(--transition-fast);
}

.step-card.active {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.15);
}

.step-card.completed {
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.03);
}

.step-card.error {
  border-color: rgba(239, 68, 68, 0.3);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.step-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-card-border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-card.active .step-badge {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.step-card.completed .step-badge {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.step-details {
  flex: 1;
}

.step-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.step-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.step-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  text-transform: uppercase;
}

.step-card.active .step-status {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  animation: pulse 1.5s infinite;
}

.step-card.completed .step-status {
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary);
}

.step-tx {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--bg-card-border);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tx-link {
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.tx-link:hover {
  text-decoration: underline;
}

.success-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
  margin-top: 1rem;
}

.success-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.success-banner h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.success-banner p {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 1.25rem auto;
}

.success-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.link-btn {
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.link-btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--bg-card-border);
}

.link-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Settings Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-dark);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

/* Loading Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-left: 4px solid var(--primary);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  color: var(--text-main);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}