/* ==========================================================================
   Yield Router -- Visual Design System
   Spec: yield-router-visual-design.md (ui-duarte)
   ========================================================================== */

/* --- Design Tokens (CSS Custom Properties) --- */
:root {
  /* Surface */
  --surface-base: #030303;
  --surface-raised: rgba(10, 10, 10, 0.7);
  --surface-raised-hover: rgba(14, 14, 14, 0.8);
  --surface-overlay: rgba(3, 3, 3, 0.94);
  --surface-input: rgba(255, 255, 255, 0.03);
  --surface-input-focus: rgba(255, 255, 255, 0.05);

  /* Borders */
  --border-default: rgba(255, 255, 255, 0.06);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --border-hover: rgba(255, 255, 255, 0.10);
  --border-focus: rgba(139, 92, 246, 0.5);
  --border-active: rgba(139, 92, 246, 0.4);

  /* Text */
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-tertiary: rgba(255, 255, 255, 0.4);
  --text-muted: rgba(255, 255, 255, 0.3);

  /* Accent */
  --accent-primary: #8B5CF6;
  --accent-primary-hover: #7C3AED;
  --accent-primary-pressed: #6D28D9;
  --accent-primary-bg: rgba(139, 92, 246, 0.06);
  --accent-primary-bg-hover: rgba(139, 92, 246, 0.10);
  --accent-info: #06B6D4;
  --accent-info-bg: rgba(6, 182, 212, 0.08);
  --accent-success: #10B981;
  --accent-success-bg: rgba(16, 185, 129, 0.08);
  --accent-warning: #F59E0B;
  --accent-warning-bg: rgba(245, 158, 11, 0.08);
  --accent-error: #EF4444;
  --accent-error-bg: rgba(239, 68, 68, 0.08);

  /* Protocol brand colors */
  --color-aave: #B6509E;
  --color-morpho: #2470FF;
  --color-aerodrome: #0098EA;
  --color-idle: rgba(255, 255, 255, 0.15);

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Container widths */
  --container-sm: 480px;
  --container-md: 640px;
  --container-lg: 960px;
  --container-xl: 1200px;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;

  /* Glow */
  --glow-primary-subtle: 0 0 20px -10px rgba(139, 92, 246, 0.4);
  --glow-primary-button: 0 0 24px -8px rgba(139, 92, 246, 0.35);
  --glow-success-subtle: 0 0 20px -10px rgba(16, 185, 129, 0.3);
  --glow-warning-subtle: 0 0 20px -10px rgba(245, 158, 11, 0.3);
  --glow-error-subtle: 0 0 20px -10px rgba(239, 68, 68, 0.3);
  --glow-card-hover: 0 0 30px -12px rgba(255, 255, 255, 0.04);

  /* Transitions */
  --ease-snappy: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-medium: 400ms;
  --duration-slow: 600ms;
  --duration-number: 200ms;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--surface-base);
  color: var(--text-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100%;
  overflow-x: hidden;
}

/* --- Typography Helpers --- */
.font-display { font-family: 'Instrument Serif', Georgia, serif; }
.font-body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
.font-data { font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace; font-variant-numeric: tabular-nums; }

/* --- Keyframe Animations --- */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

@keyframes rebalance-aave {
  0%   { flex: 32; }
  25%  { flex: 28; }
  50%  { flex: 35; }
  75%  { flex: 30; }
  100% { flex: 32; }
}

@keyframes rebalance-morpho {
  0%   { flex: 45; }
  25%  { flex: 50; }
  50%  { flex: 40; }
  75%  { flex: 48; }
  100% { flex: 45; }
}

@keyframes rebalance-aero {
  0%   { flex: 18; }
  25%  { flex: 17; }
  50%  { flex: 20; }
  75%  { flex: 17; }
  100% { flex: 18; }
}

@keyframes rebalance-idle {
  0%   { flex: 5; }
  25%  { flex: 5; }
  50%  { flex: 5; }
  75%  { flex: 5; }
  100% { flex: 5; }
}

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

/* --- Skip Link (Accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--accent-primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 100;
  font-size: 14px;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
.skip-link:focus {
  top: 0;
}

/* --- Top Bar (Navigation) --- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: rgba(3, 3, 3, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-default);
}

.topbar-logo {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  flex-shrink: 0;
}

.topbar-tabs {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: 3px;
}

.topbar-tab {
  padding: 7px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-snappy),
              background var(--duration-fast) var(--ease-snappy);
  text-decoration: none;
  border: none;
  background: none;
  white-space: nowrap;
}

.topbar-tab:hover {
  color: var(--text-secondary);
}

.topbar-tab--active {
  color: var(--text-primary);
  background: rgba(139, 92, 246, 0.12);
}

.topbar-tab--disabled {
  color: rgba(255, 255, 255, 0.15);
  cursor: default;
}
.topbar-tab--disabled:hover {
  color: rgba(255, 255, 255, 0.15);
}

/* --- Wallet Button --- */
.btn-wallet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(139, 92, 246, 0.08);
  color: var(--accent-primary);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-snappy),
              border-color var(--duration-fast) var(--ease-snappy);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-wallet:hover {
  background: rgba(139, 92, 246, 0.12);
  border-color: rgba(139, 92, 246, 0.25);
}

.btn-wallet--connected {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-snappy);
}

.btn-wallet--connected:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.wallet-identicon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-info));
  flex-shrink: 0;
}

/* --- Mobile Bottom Tab Bar --- */
.bottom-tabs {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: space-around;
  height: 64px;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(3, 3, 3, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-default);
}

.bottom-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  min-width: 64px;
  background: none;
  border: none;
  cursor: pointer;
}

.bottom-tab-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease-snappy);
}

.bottom-tab-label {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease-snappy);
}

.bottom-tab--active .bottom-tab-icon { color: var(--accent-primary); }
.bottom-tab--active .bottom-tab-label { color: var(--accent-primary); }

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--accent-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-snappy),
              box-shadow var(--duration-fast) var(--ease-snappy),
              transform var(--duration-fast) var(--ease-snappy);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  box-shadow: var(--glow-primary-button);
}

.btn-primary:active {
  transform: scale(0.98);
  background: var(--accent-primary-pressed);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.btn-primary:disabled {
  background: rgba(139, 92, 246, 0.2);
  color: rgba(255, 255, 255, 0.3);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-primary--full {
  width: 100%;
  padding: 16px 28px;
  font-size: 15px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-snappy),
              color var(--duration-fast) var(--ease-snappy),
              background var(--duration-fast) var(--ease-snappy);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.20);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.btn-secondary:active {
  background: rgba(255, 255, 255, 0.05);
}

.btn-secondary:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.3);
  outline-offset: 2px;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  background: none;
  border: none;
  color: var(--accent-primary);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-snappy);
  text-decoration: none;
}

.btn-text:hover {
  color: #A78BFA;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-max {
  padding: 4px 10px;
  background: rgba(139, 92, 246, 0.08);
  color: var(--accent-primary);
  border: 1px solid rgba(139, 92, 246, 0.12);
  border-radius: 4px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-snappy);
  min-width: 44px;
  min-height: 28px;
}

.btn-max:hover {
  background: rgba(139, 92, 246, 0.15);
}

/* --- Spinner --- */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  flex-shrink: 0;
}

/* --- Cards --- */
.card {
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--duration-medium) var(--ease-snappy),
              background var(--duration-medium) var(--ease-snappy),
              box-shadow var(--duration-medium) var(--ease-snappy);
}

.card--stat {
  padding: 24px;
  text-align: center;
  border-radius: var(--radius-xl);
}

.card--form {
  max-width: var(--container-sm);
  width: 100%;
}

.card--portfolio {
  max-width: var(--container-md);
  width: 100%;
}

.card--info {
  max-width: var(--container-md);
  width: 100%;
}

.card--success {
  border-color: rgba(16, 185, 129, 0.2);
  background: rgba(16, 185, 129, 0.04);
}

.card--error {
  border-color: rgba(239, 68, 68, 0.2);
  background: rgba(239, 68, 68, 0.04);
}

.card--warning {
  border-color: rgba(245, 158, 11, 0.2);
  background: rgba(245, 158, 11, 0.04);
}

/* --- Amount Input --- */
.input-amount-container {
  background: var(--surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: border-color var(--duration-normal) var(--ease-snappy),
              box-shadow var(--duration-normal) var(--ease-snappy);
}

.input-amount-container:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.08);
}

.input-amount-container--error {
  border-color: rgba(239, 68, 68, 0.5) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.08) !important;
}

.input-amount-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.input-amount-label {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

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

.input-amount-field {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 500;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  min-width: 0;
}

.input-amount-field::placeholder {
  color: rgba(255, 255, 255, 0.15);
}

.input-amount-token {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  flex-shrink: 0;
}

.usdc-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #2775CA;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.input-amount-balance {
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
}

.input-validation-msg {
  margin-top: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  line-height: 1.4;
  animation: slideDown 200ms var(--ease-snappy);
}
.input-validation-msg--error { color: var(--accent-error); }
.input-validation-msg--warning { color: var(--accent-warning); }

/* --- APY Badge --- */
.apy-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--accent-info-bg);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: var(--radius-pill);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-info);
}

.apy-badge--sm {
  padding: 4px 10px;
  font-size: 12px;
}

.apy-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-info);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

/* --- Stat Grid (Landing Page) --- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-label {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-tertiary);
}

/* --- Data Row (Key-Value) --- */
.data-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.data-row:last-child {
  border-bottom: none;
}

.data-row-label {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text-tertiary);
}

.data-row-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.data-row-value--cyan {
  color: var(--accent-info);
}

.data-row-value--green {
  color: var(--accent-success);
}

/* --- Address Display --- */
.address-display {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.address-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-secondary);
}

.address-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-default);
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast);
  font-size: 11px;
  text-decoration: none;
}

.address-action:hover {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.6);
}

/* --- Portfolio Headline Card --- */
.card--portfolio-headline {
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.portfolio-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  margin-bottom: 4px;
}

.portfolio-label {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.portfolio-earned {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  color: var(--accent-success);
  margin-bottom: 4px;
}

.portfolio-since {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--text-muted);
}

/* --- Allocation Bar --- */
.allocation-bar {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  background: rgba(255, 255, 255, 0.04);
}

.allocation-segment {
  height: 100%;
  transition: width var(--duration-slow) var(--ease-snappy);
}

.allocation-segment:first-child { border-radius: 4px 0 0 4px; }
.allocation-segment:last-child { border-radius: 0 4px 4px 0; }

.allocation-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
}

.allocation-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.allocation-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

.allocation-legend-name {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.allocation-legend-pct {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* --- Chart Range Selector --- */
.chart-range-selector {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.chart-range-btn {
  padding: 4px 12px;
  background: none;
  border: none;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast);
}

.chart-range-btn:hover {
  color: rgba(255, 255, 255, 0.6);
}

.chart-range-btn--active {
  color: var(--text-primary);
  background: rgba(139, 92, 246, 0.12);
}

/* --- Chart Placeholder --- */
.chart-placeholder {
  height: 200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.chart-placeholder svg {
  width: 100%;
  height: 100%;
}

/* --- Transaction State Cards --- */
.tx-result {
  display: none;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-lg);
  margin-top: 16px;
  animation: slideUp 300ms var(--ease-snappy);
}

.tx-result.visible {
  display: flex;
}

.tx-success {
  background: rgba(16, 185, 129, 0.04);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.tx-error {
  background: rgba(239, 68, 68, 0.04);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.tx-result-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
}

.tx-success .tx-result-icon {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-success);
}

.tx-error .tx-result-icon {
  background: rgba(239, 68, 68, 0.12);
  color: var(--accent-error);
}

.tx-result-body { flex: 1; }

.tx-result-title {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
}

.tx-success .tx-result-title { color: var(--accent-success); }
.tx-error .tx-result-title { color: var(--accent-error); }

.tx-result-detail {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 2px;
}

.tx-result-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent-primary);
  text-decoration: none;
}
.tx-result-link:hover {
  text-decoration: underline;
}

.tx-result-dismiss {
  align-self: flex-start;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  padding: 4px;
  font-size: 14px;
  line-height: 1;
}
.tx-result-dismiss:hover {
  color: rgba(255, 255, 255, 0.5);
}

/* --- Wallet Modal --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(3, 3, 3, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms var(--ease-snappy),
              visibility 300ms var(--ease-snappy);
}

.modal-backdrop--open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: rgba(14, 14, 14, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-xl);
  padding: 24px;
  width: 380px;
  max-width: calc(100vw - 32px);
  transform: scale(0.96) translateY(8px);
  transition: transform 300ms var(--ease-snappy);
}

.modal-backdrop--open .modal {
  transform: scale(1) translateY(0);
}

.modal-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  line-height: 1;
}
.modal-close:hover { color: var(--text-secondary); }

.wallet-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--duration-fast), background var(--duration-fast);
  margin-bottom: 8px;
  width: 100%;
}

.wallet-option:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.wallet-option--primary {
  border-color: rgba(139, 92, 246, 0.15);
  background: rgba(139, 92, 246, 0.04);
}

.wallet-option--primary:hover {
  border-color: rgba(139, 92, 246, 0.25);
  background: rgba(139, 92, 246, 0.08);
}

.wallet-option-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.wallet-option-info { flex: 1; }

.wallet-option-name {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.wallet-option-desc {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--text-muted);
}

.modal-error {
  margin-top: 12px;
  padding: 12px;
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.15);
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--accent-error);
  text-align: center;
  display: none;
}

.modal-error.visible { display: block; }

/* --- FAQ Accordion --- */
.faq-item {
  border-bottom: 1px solid var(--border-default);
}

.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 16px;
}

.faq-question {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

.faq-trigger:hover .faq-question {
  color: var(--text-primary);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: rgba(255, 255, 255, 0.2);
  transition: transform 300ms var(--ease-snappy), color var(--duration-fast);
  flex-shrink: 0;
}

.faq-item--open .faq-chevron {
  transform: rotate(180deg);
  color: rgba(255, 255, 255, 0.5);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms var(--ease-snappy),
              opacity 300ms var(--ease-snappy);
  opacity: 0;
}

.faq-item--open .faq-answer {
  max-height: 300px;
  opacity: 1;
}

.faq-answer-inner {
  padding-bottom: 20px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
}

/* --- Security Checklist --- */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.checklist-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-success);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
}

.checklist-text {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
}

/* --- Risk Callout --- */
.risk-callout {
  padding: 20px;
  background: rgba(245, 158, 11, 0.03);
  border: 1px solid rgba(245, 158, 11, 0.15);
  border-radius: var(--radius-lg);
}

.risk-callout-title {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-warning);
  margin-bottom: 12px;
}

.risk-callout-text {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
}

.risk-callout-text ul {
  list-style: none;
  padding: 0;
}

.risk-callout-text li {
  padding-left: 16px;
  position: relative;
  margin-bottom: 8px;
}

.risk-callout-text li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: rgba(245, 158, 11, 0.5);
}

/* --- Skeleton Loaders --- */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: 4px;
}

/* --- Adapter Items (Vault Info) --- */
.adapter-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.adapter-item:last-child { border-bottom: none; }

.adapter-name {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.adapter-address {
  margin-bottom: 8px;
}

.adapter-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.adapter-stat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.adapter-stat-value {
  color: var(--text-primary);
  font-weight: 500;
}

.adapter-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent-success);
}

.adapter-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-success);
}

/* --- Landing Page Layout --- */
.landing-section {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 64px 24px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms var(--ease-snappy),
              transform 600ms var(--ease-snappy);
}

.landing-section--visible {
  opacity: 1;
  transform: translateY(0);
}

.landing-content {
  width: 100%;
  max-width: 960px;
}

.section-heading {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(28px, 5vw, 36px);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 40px;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
  position: relative;
  opacity: 1 !important;
  transform: none !important;
}

.hero-headline {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(36px, 7vw, 56px);
  font-weight: 400;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  line-height: 1.05;
  max-width: 640px;
}

.hero-subheadline {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  max-width: 520px;
  margin: 16px auto 0;
}

.hero-badge {
  margin-top: 24px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.15);
  animation: scrollBounce 2s infinite;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
}

/* --- How It Works Steps --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step-card {
  padding: 24px;
}

.step-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  color: var(--text-tertiary);
}

.step-icon svg {
  width: 40px;
  height: 40px;
  stroke-width: 1.5;
}

.step-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.2);
  margin-bottom: 8px;
}

.step-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 8px;
}

.step-body {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

/* Animated allocation bar in step 2 */
.demo-allocation-bar {
  display: flex;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 16px;
  background: rgba(255, 255, 255, 0.04);
}

.demo-allocation-bar .seg-aave {
  background: var(--color-aave);
  animation: rebalance-aave 10s ease-in-out infinite;
}
.demo-allocation-bar .seg-morpho {
  background: var(--color-morpho);
  animation: rebalance-morpho 10s ease-in-out infinite;
}
.demo-allocation-bar .seg-aero {
  background: var(--color-aerodrome);
  animation: rebalance-aero 10s ease-in-out infinite;
}
.demo-allocation-bar .seg-idle {
  background: var(--color-idle);
  animation: rebalance-idle 10s ease-in-out infinite;
}

.steps-footnote {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 32px;
  line-height: 1.5;
}

/* --- Security Two-Column --- */
.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.security-description {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
}

.security-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

/* --- Footer CTA --- */
.footer-cta {
  background: rgba(139, 92, 246, 0.03);
  border-top: 1px solid rgba(139, 92, 246, 0.08);
  border-bottom: 1px solid rgba(139, 92, 246, 0.08);
  padding: 64px 24px;
  text-align: center;
}

.footer-cta-heading {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(28px, 5vw, 36px);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
}

.footer-cta-btn {
  margin-top: 24px;
}

.footer-cta-sub {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.5;
}

/* --- Footer --- */
.footer {
  padding: 32px 24px;
  border-top: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-xl);
  margin: 0 auto;
  width: 100%;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-link {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.footer-link:hover {
  color: rgba(255, 255, 255, 0.6);
}

.footer-copyright {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.15);
}

/* --- dApp Layout --- */
.dapp-content {
  padding-top: 88px; /* 56px topbar + 32px gap */
  padding-bottom: 32px;
  padding-left: 24px;
  padding-right: 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dapp-page-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 24px;
  width: 100%;
  max-width: var(--container-sm);
}

.dapp-page-title--wide {
  max-width: var(--container-md);
}

/* Form preview rows */
.form-preview {
  width: 100%;
  max-width: var(--container-sm);
  margin-top: 20px;
}

.form-preview .data-row {
  padding: 6px 0;
}

.form-action {
  width: 100%;
  max-width: var(--container-sm);
  margin-top: 24px;
}

.form-footer {
  text-align: center;
  margin-top: 16px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.2);
  line-height: 1.5;
  max-width: var(--container-sm);
  width: 100%;
}

/* --- Page Transitions --- */
.view {
  display: none;
  animation: fadeIn 250ms var(--ease-snappy);
}

.view--active {
  display: block;
}

/* for dApp tab views that use flex */
.view--flex.view--active {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 88px; /* 56px topbar + 32px gap */
  padding-bottom: 32px;
  padding-left: 24px;
  padding-right: 24px;
  min-height: 100vh;
}

/* --- Vault Info Cards Stack --- */
.vault-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: var(--container-md);
}

.card-section-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

/* --- FAQ Section --- */
.faq-container {
  max-width: 640px;
  margin: 0 auto;
}

/* --- Responsive --- */
@media (max-width: 1023px) {
  .landing-section { padding: 48px 20px; }
  .hero { padding: 80px 20px; }
}

@media (max-width: 767px) {
  /* Navigation */
  .bottom-tabs { display: flex; }
  .topbar-tabs { display: none; }
  .topbar { padding: 0 16px; }

  /* Layout */
  .landing-section { padding: 32px 16px; }
  .hero { padding: 60px 16px; min-height: calc(100vh - 56px); }

  .section-heading { margin-bottom: 24px; }

  /* Steps */
  .steps-grid { grid-template-columns: 1fr; }

  /* Stats */
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }

  /* Security */
  .security-grid { grid-template-columns: 1fr; gap: 24px; }

  /* Footer */
  .footer {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .footer-links { flex-wrap: wrap; justify-content: center; }

  /* dApp */
  .dapp-content {
    padding-top: 72px; /* 56 + 16 */
    padding-bottom: 80px; /* 64 bottom tabs + 16 */
    padding-left: 16px;
    padding-right: 16px;
  }

  .view--flex.view--active {
    padding-top: 72px;
    padding-bottom: 80px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .dapp-page-title { font-size: 20px; }

  /* Footer CTA */
  .footer-cta { padding: 40px 16px; }

  /* Chart */
  .chart-placeholder { height: 160px; }

  /* Hero buttons stack */
  .hero-buttons { flex-direction: column; align-items: center; }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .skeleton {
    animation: none;
    background: rgba(255, 255, 255, 0.04);
  }

  .apy-badge-dot {
    animation: none;
    opacity: 1;
  }
}

/* --- Utility --- */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }