/* ==========================================================================
   TrueNorth India: Premium Design System (Stripe-inspired)
   Aligned to DESIGN.md — Inter font, Indigo CTA, Light Canvas
   ========================================================================== */

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */
:root {
  /* Color Palette — Stripe DESIGN.md */
  --color-primary: #533afd;
  --color-primary-deep: #4434d4;
  --color-primary-press: #2e2b8c;
  --color-primary-soft: #665efd;
  --color-primary-bg-subdued: #b9b9f9;
  --color-brand-dark-900: #1c1e54;
  --color-ruby: #ea2261;
  --color-magenta: #f96bee;
  --color-lemon: #9b6829;
  --color-shadow-blue: #003770;

  /* Surface */
  --color-canvas: #ffffff;
  --color-canvas-soft: #f6f9fc;
  --color-canvas-cream: #f5e9d4;
  --color-hairline: #e3e8ee;
  --color-hairline-input: #a8c3de;

  /* Text */
  --color-ink: #0d253d;
  --color-ink-secondary: #273951;
  --color-ink-mute: #64748d;
  --color-ink-mute-2: #61718a;
  --color-on-primary: #ffffff;

  /* Semantic */
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Border Radius */
  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-pill: 9999px;

  /* Spacing (8px base) */
  --spacing-xxs: 2px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-xxl: 32px;
  --spacing-huge: 64px;

  /* Shadows / Elevation */
  --shadow-level-1: 0 1px 3px rgba(0,55,112,0.08);
  --shadow-level-2: 0 8px 24px rgba(0,55,112,0.08), 0 2px 6px rgba(0,55,112,0.04);
  --shadow-primary-glow: 0 4px 14px rgba(83,58,253,0.25);
}

/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--color-canvas);
  color: var(--color-ink);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  font-size: 15px;
  font-weight: 300;
}

/* Tabular figures for money */
.tabular-nums {
  font-feature-settings: "ss01", "tnum";
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-canvas-soft); }
::-webkit-scrollbar-thumb { background: var(--color-hairline); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-soft); }

/* ==========================================================================
   3. ANIMATIONS (Inspired by freefrontend.com/css-animations/)
   ========================================================================== */

/* 3a. Gradient mesh shimmer — slow color wash */
@keyframes meshShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 3b. Card entrance — staggered fade-in + slide-up */
@keyframes cardEntrance {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 3c. Tab content fade */
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 3d. Floating particles */
@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.4; }
  25%      { transform: translateY(-30px) translateX(10px); opacity: 0.7; }
  50%      { transform: translateY(-50px) translateX(-8px); opacity: 0.5; }
  75%      { transform: translateY(-25px) translateX(15px); opacity: 0.6; }
}

/* 3e. Pulse for updated values */
@keyframes valuePulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* 3f. Button glow spread */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 4px 14px rgba(83,58,253,0.25); }
  50%      { box-shadow: 0 6px 28px rgba(83,58,253,0.4); }
}

/* 3g. Progress bar fill */
@keyframes progressFill {
  from { width: 0%; }
}

/* 3h. Scale-in for modals */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Sparkle effect on mesh */
@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0); }
  50%      { opacity: 1; transform: scale(1); }
}

/* ==========================================================================
   4. LAYOUT
   ========================================================================== */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
}

/* Gradient Mesh Hero Backdrop */
.gradient-mesh-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 380px;
  background: linear-gradient(
    135deg,
    #f5e9d4 0%,
    #f9c74f 15%,
    #e6b3c9 30%,
    #b9b9f9 50%,
    #533afd 70%,
    #ea2261 100%
  );
  background-size: 400% 400%;
  animation: meshShift 20s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  filter: blur(40px) saturate(1.2);
}

.gradient-mesh-backdrop::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--color-canvas), transparent);
}

/* Floating particles */
.floating-particles {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 380px;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(83, 58, 253, 0.15);
  animation: float 8s ease-in-out infinite;
}

.particle:nth-child(1) { width: 8px; height: 8px; left: 15%; top: 40%; animation-delay: 0s; animation-duration: 7s; }
.particle:nth-child(2) { width: 6px; height: 6px; left: 35%; top: 60%; animation-delay: 1.5s; animation-duration: 9s; }
.particle:nth-child(3) { width: 10px; height: 10px; left: 55%; top: 30%; animation-delay: 3s; animation-duration: 11s; background: rgba(234,34,97,0.12); }
.particle:nth-child(4) { width: 5px; height: 5px; left: 75%; top: 50%; animation-delay: 2s; animation-duration: 8s; }
.particle:nth-child(5) { width: 7px; height: 7px; left: 90%; top: 25%; animation-delay: 4s; animation-duration: 10s; background: rgba(249,107,238,0.1); }

/* Main Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-xl);
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: var(--spacing-xxl) var(--spacing-xl);
  flex-grow: 1;
  position: relative;
  z-index: 1;
}

.content-area {
  min-width: 0;
}

/* ==========================================================================
   5. NAVBAR (nav-bar-on-mesh)
   ========================================================================== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-hairline);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow 0.3s ease;
}

.navbar:hover {
  box-shadow: var(--shadow-level-1);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: var(--rounded-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-primary);
  box-shadow: var(--shadow-primary-glow);
  transition: transform 0.2s ease;
}

.logo-icon:hover {
  transform: scale(1.08);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
}

.logo-text {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--color-ink);
}

.logo-badge {
  font-size: 10px;
  font-weight: 400;
  padding: var(--spacing-xxs) var(--spacing-sm);
  background: var(--color-primary-bg-subdued);
  color: var(--color-primary-deep);
  border-radius: var(--rounded-pill);
  letter-spacing: 0.1px;
  text-transform: uppercase;
  line-height: 1.15;
}

/* Nav tabs */
.nav-links {
  display: flex;
  gap: var(--spacing-xxs);
  background: var(--color-canvas-soft);
  padding: var(--spacing-xs);
  border-radius: var(--rounded-lg);
  border: 1px solid var(--color-hairline);
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: transparent;
  border: none;
  color: var(--color-ink-mute);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  border-radius: var(--rounded-md);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-feature-settings: "ss01";
}

.nav-tab svg {
  width: 16px;
  height: 16px;
}

.nav-tab:hover {
  color: var(--color-ink);
  background: var(--color-canvas);
}

.nav-tab.active {
  color: var(--color-on-primary);
  background: var(--color-primary);
  box-shadow: var(--shadow-primary-glow);
}

/* Jargon Toggle */
.translator-control {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--rounded-pill);
}

.translator-label {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-ink-mute);
  min-width: 95px;
  transition: color 0.3s ease;
}

.translator-control.active .translator-label {
  color: var(--color-success);
}

/* Toggle switch */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-hairline);
  transition: 0.3s;
  border: 1px solid var(--color-hairline);
}

.slider::before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background: var(--color-canvas);
  transition: 0.3s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

input:checked + .slider {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

input:checked + .slider::before {
  transform: translateX(20px);
}

.slider.round { border-radius: 34px; }
.slider.round::before { border-radius: 50%; }

/* ==========================================================================
   6. TYPOGRAPHY
   ========================================================================== */
.text-gradient {
  color: var(--color-ink);
  font-weight: 300;
  font-size: 32px;
  letter-spacing: -0.64px;
  font-feature-settings: "ss01";
  line-height: 1.1;
}

.subtitle {
  color: var(--color-ink-mute);
  font-size: 16px;
  margin-top: 6px;
  font-weight: 300;
  line-height: 1.4;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
}

/* ==========================================================================
   7. BUTTONS (Stripe pill style)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--rounded-pill);
  font-size: 16px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  font-feature-settings: "ss01";
  text-decoration: none;
  line-height: 1;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* Primary pill */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-primary-glow);
}

.btn-primary:hover {
  background: var(--color-primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(83,58,253,0.35);
}

.btn-primary:active {
  background: var(--color-primary-press);
  transform: translateY(0);
}

/* Secondary pill */
.btn-secondary {
  background: var(--color-canvas);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(83,58,253,0.04);
  transform: translateY(-1px);
}

/* Link button */
.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  font-weight: 400;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: gap 0.2s, color 0.2s;
  padding: var(--spacing-xs) 0;
  font-size: 14px;
  font-feature-settings: "ss01";
}

.btn-link:hover {
  gap: var(--spacing-sm);
  color: var(--color-primary-deep);
}

/* Delete button */
.btn-delete-goal {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: none;
  border: none;
  color: var(--color-ink-mute);
  cursor: pointer;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
  opacity: 0;
}

.goal-card:hover .btn-delete-goal {
  opacity: 1;
}

.btn-delete-goal:hover {
  color: var(--color-error);
  background: rgba(239,68,68,0.08);
  transform: scale(1.1);
}

/* ==========================================================================
   8. GLASS PANEL (base card)
   ========================================================================== */
.glass-panel {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  box-shadow: var(--shadow-level-1);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.glass-panel:hover {
  box-shadow: var(--shadow-level-2);
}

/* ==========================================================================
   9. TAB CONTENT
   ========================================================================== */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   10. SIDEBAR
   ========================================================================== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.sidebar-card {
  padding: var(--spacing-xl);
}

.sidebar-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 16px;
  font-weight: 400;
  margin-bottom: var(--spacing-md);
  color: var(--color-ink);
}

.sidebar-title svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.sidebar-text {
  font-size: 14px;
  color: var(--color-ink-mute);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.jargon-examples {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.jargon-example-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 12px;
  background: var(--color-canvas-soft);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--rounded-md);
  border: 1px solid var(--color-hairline);
}

.jargon-example-item .arrow {
  color: var(--color-ink-mute);
}

/* ==========================================================================
   11. BADGES
   ========================================================================== */
.badge {
  font-size: 10px;
  font-weight: 400;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--rounded-pill);
  text-transform: uppercase;
  letter-spacing: 0.1px;
  line-height: 1.15;
}

.badge-jargon {
  background: rgba(234,34,97,0.08);
  color: var(--color-ruby);
  border: 1px solid rgba(234,34,97,0.15);
}

.badge-plain {
  background: rgba(16,185,129,0.08);
  color: var(--color-success);
  border: 1px solid rgba(16,185,129,0.15);
}

/* ==========================================================================
   12. JARGON TRANSLATION
   ========================================================================== */
.jargon-term {
  position: relative;
  border-bottom: 1px dashed var(--color-primary-soft);
  cursor: help;
  display: inline-block;
}

.jargon-term::after {
  content: "ℹ️";
  font-size: 9px;
  margin-left: 2px;
  vertical-align: super;
  opacity: 0.5;
}

.jargon-tooltip {
  visibility: hidden;
  width: 240px;
  background: var(--color-brand-dark-900);
  color: var(--color-on-primary);
  text-align: left;
  border-radius: var(--rounded-md);
  padding: var(--spacing-md) var(--spacing-lg);
  position: absolute;
  z-index: 200;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: var(--shadow-level-2);
  font-size: 12px;
  line-height: 1.5;
  font-weight: 300;
}

.jargon-term:hover .jargon-tooltip {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

.jargon-translated {
  background: rgba(16,185,129,0.08);
  color: var(--color-success);
  border-radius: var(--rounded-xs);
  padding: 0 4px;
  transition: all 0.3s ease;
  border-bottom-color: var(--color-success);
}

/* ==========================================================================
   13. GOALS GRID & CARDS
   ========================================================================== */
.goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.goal-card {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 240px;
  position: relative;
  overflow: hidden;
  animation: cardEntrance 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.goal-card:nth-child(1) { animation-delay: 0s; }
.goal-card:nth-child(2) { animation-delay: 0.1s; }
.goal-card:nth-child(3) { animation-delay: 0.2s; }
.goal-card:nth-child(4) { animation-delay: 0.3s; }

.goal-card:hover {
  transform: translateY(-4px);
}

/* Colored top strip */
.goal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-soft));
}

.goal-card.goal-short::before {
  background: linear-gradient(90deg, #38bdf8, #818cf8);
}

.goal-card.goal-medium::before {
  background: linear-gradient(90deg, var(--color-primary-soft), #c084fc);
}

.goal-card.goal-long::before {
  background: linear-gradient(90deg, #f59e0b, #fb923c);
}

.goal-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
}

.goal-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--rounded-md);
  background: var(--color-canvas-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.goal-meta {
  text-align: right;
}

.goal-title {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.2px;
}

.goal-target {
  font-size: 14px;
  color: var(--color-ink-mute);
  font-feature-settings: "ss01", "tnum";
}

/* Progress bar */
.goal-progress-container {
  margin: var(--spacing-lg) 0;
}

.goal-progress-bar {
  height: 6px;
  background: var(--color-canvas-soft);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.goal-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-soft));
  border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  animation: progressFill 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.goal-card.goal-short .goal-progress-fill {
  background: linear-gradient(90deg, #38bdf8, #818cf8);
}

.goal-progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-ink-mute);
  font-feature-settings: "ss01", "tnum";
}

/* Card footer */
.goal-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-hairline);
  padding-top: var(--spacing-lg);
  margin-top: auto;
}

.goal-allocation {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 13px;
  font-weight: 400;
  color: var(--color-primary);
}

.goal-allocation-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.goal-short .goal-allocation-dot { background: #38bdf8; }
.goal-medium .goal-allocation-dot { background: var(--color-primary-soft); }
.goal-long .goal-allocation-dot { background: #f59e0b; }

.goal-sip-value {
  font-size: 15px;
  font-weight: 400;
  color: var(--color-ink);
  font-feature-settings: "ss01", "tnum";
  text-align: right;
}

.goal-sip-label {
  font-size: 11px;
  color: var(--color-ink-mute);
  text-align: right;
}

/* Empty state */
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-huge) var(--spacing-xl);
  text-align: center;
  border: 2px dashed var(--color-hairline);
  border-radius: var(--rounded-xl);
  background: var(--color-canvas-soft);
}

.empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-ink-mute);
}

.empty-icon svg {
  width: 32px;
  height: 32px;
}

.empty-title {
  font-size: 20px;
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
  color: var(--color-ink);
}

.empty-text {
  font-size: 14px;
  color: var(--color-ink-mute);
  max-width: 400px;
  margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   14. SIMULATOR
   ========================================================================== */
.simulator-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--spacing-lg);
}

.simulator-controls {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Form elements */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-label {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-ink-mute);
}

.form-value {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-ink);
  font-feature-settings: "ss01", "tnum";
  letter-spacing: -0.42px;
}

/* Range slider */
.slider-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--color-hairline);
  outline: none;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: var(--shadow-primary-glow);
  transition: transform 0.15s ease;
}

.slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-primary-glow);
}

/* Text input */
.input-text {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline-input);
  border-radius: var(--rounded-sm);
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 300;
  font-feature-settings: "ss01";
  outline: none;
  transition: border-color 0.2s ease;
}

.input-text:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(83,58,253,0.08);
}

.input-text::placeholder {
  color: var(--color-ink-mute);
}

/* Radio groups */
.radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xs);
  background: var(--color-canvas-soft);
  padding: var(--spacing-xs);
  border-radius: var(--rounded-lg);
  border: 1px solid var(--color-hairline);
}

.radio-btn {
  position: relative;
  text-align: center;
}

.radio-btn input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-btn label {
  display: block;
  padding: var(--spacing-sm) var(--spacing-xs);
  font-size: 13px;
  font-weight: 400;
  color: var(--color-ink-mute);
  cursor: pointer;
  border-radius: var(--rounded-md);
  transition: all 0.2s;
  border: 1px solid transparent;
}

.radio-btn input:checked + label {
  background: var(--color-canvas);
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-level-1);
}

/* Simulator display */
.simulator-display {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Chart */
.chart-container {
  height: 260px;
  position: relative;
  width: 100%;
}

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

.chart-grid-line {
  stroke: var(--color-hairline);
  stroke-width: 1;
  stroke-dasharray: 4 4;
}

.chart-path-invested {
  stroke: var(--color-ink-mute);
  stroke-width: 2;
  stroke-dasharray: 4 4;
  fill: none;
}

.chart-path-fd {
  stroke: #38bdf8;
  stroke-width: 2.5;
  fill: none;
}

.chart-path-truenorth {
  stroke: var(--color-primary);
  stroke-width: 3;
  fill: none;
  filter: drop-shadow(0 0 6px rgba(83,58,253,0.3));
}

/* Chart legend */
.chart-legend {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-sm);
  font-size: 13px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-ink-mute);
}

.legend-dot {
  width: 12px;
  height: 4px;
  border-radius: 2px;
}

.legend-dot.invested { background: var(--color-ink-mute); }
.legend-dot.fd { background: #38bdf8; }
.legend-dot.truenorth { background: var(--color-primary); }

/* Results grid */
.sim-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.result-card {
  padding: var(--spacing-md);
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  text-align: center;
}

.result-label {
  font-size: 12px;
  color: var(--color-ink-mute);
  margin-bottom: var(--spacing-xs);
}

.result-value {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-ink);
  font-feature-settings: "ss01", "tnum";
  letter-spacing: -0.42px;
}

.result-card.highlight {
  background: rgba(16,185,129,0.04);
  border-color: rgba(16,185,129,0.15);
}

.result-card.highlight .result-value {
  color: var(--color-success);
}

/* Historical box */
.historical-sim-box {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.historical-text h4 {
  font-size: 14px;
  font-weight: 400;
  margin-bottom: var(--spacing-xs);
  color: var(--color-ink);
}

.historical-text p {
  font-size: 12px;
  color: var(--color-ink-mute);
  line-height: 1.5;
}

/* ==========================================================================
   15. PASSPORT (Global Window)
   ========================================================================== */
.passport-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.stock-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.stock-card {
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: cardEntrance 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.stock-card:nth-child(1) { animation-delay: 0s; }
.stock-card:nth-child(2) { animation-delay: 0.06s; }
.stock-card:nth-child(3) { animation-delay: 0.12s; }
.stock-card:nth-child(4) { animation-delay: 0.18s; }
.stock-card:nth-child(5) { animation-delay: 0.24s; }

.stock-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.stock-symbol {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.2px;
}

.stock-name {
  font-size: 13px;
  color: var(--color-ink-mute);
  margin-top: 2px;
}

.stock-price {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-ink);
  font-feature-settings: "ss01", "tnum";
  letter-spacing: -0.42px;
  text-align: right;
}

.stock-change {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 13px;
  font-weight: 400;
  margin-top: 2px;
  justify-content: flex-end;
}

.stock-change.positive { color: var(--color-success); }
.stock-change.negative { color: var(--color-error); }

/* Passport insights */
.passport-insights {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.insight-card {
  padding: var(--spacing-xl);
}

.insight-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 16px;
  font-weight: 400;
  margin-bottom: var(--spacing-md);
  color: var(--color-ink);
}

.insight-title svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.insight-desc {
  font-size: 14px;
  color: var(--color-ink-mute);
  line-height: 1.65;
}

.insight-desc strong {
  color: var(--color-ink);
}

/* ==========================================================================
   16. LEARNING HUB
   ========================================================================== */
.learning-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--spacing-lg);
}

.learning-menu {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.learning-menu-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-ink-mute);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

.learning-menu-btn:hover {
  color: var(--color-ink);
  background: var(--color-canvas-soft);
}

.learning-menu-btn.active {
  color: var(--color-primary);
  background: rgba(83,58,253,0.04);
  border-color: var(--color-primary);
}

/* Lesson panel */
.learning-lesson-panel {
  padding: var(--spacing-xxl);
  animation: cardEntrance 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.lesson-header {
  margin-bottom: var(--spacing-xl);
}

.lesson-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 400;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary-bg-subdued);
  color: var(--color-primary-deep);
  border-radius: var(--rounded-pill);
  text-transform: uppercase;
  letter-spacing: 0.1px;
  margin-bottom: var(--spacing-sm);
}

.lesson-title {
  font-size: 26px;
  font-weight: 300;
  letter-spacing: -0.26px;
  color: var(--color-ink);
}

.lesson-body {
  font-size: 15px;
  color: var(--color-ink-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.lesson-body p {
  margin-bottom: var(--spacing-md);
}

.lesson-body strong {
  color: var(--color-ink);
  font-weight: 400;
}

/* Interactive widget */
.interactive-lesson-widget {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl);
}

.interactive-lesson-widget h4 {
  font-size: 14px;
  font-weight: 400;
  margin-bottom: var(--spacing-md);
  color: var(--color-ink);
}

/* ==========================================================================
   17. MODAL & WIZARD
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,37,61,0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  width: 100%;
  max-width: 600px;
  padding: var(--spacing-xxl);
  position: relative;
  animation: scaleIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  color: var(--color-ink-mute);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: 50%;
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--color-canvas-soft);
  color: var(--color-ink);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

/* Wizard steps indicator */
.wizard-steps {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.wizard-step {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 400;
  border: 2px solid var(--color-hairline);
  color: var(--color-ink-mute);
  background: var(--color-canvas);
  transition: all 0.3s ease;
  position: relative;
}

.wizard-step.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(83,58,253,0.04);
}

.wizard-step.completed {
  border-color: var(--color-success);
  background: var(--color-success);
  color: var(--color-on-primary);
}

/* Connect steps with a line */
.wizard-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  width: calc(var(--spacing-xl) - 4px);
  height: 2px;
  background: var(--color-hairline);
  transform: translateX(2px);
}

.wizard-step.completed:not(:last-child)::after {
  background: var(--color-success);
}

/* Wizard panels */
.wizard-panel {
  display: none;
  animation: fadeSlideIn 0.3s ease;
}

.wizard-panel.active {
  display: block;
}

.wizard-title {
  font-size: 22px;
  font-weight: 300;
  letter-spacing: -0.22px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-ink);
}

.wizard-subtitle {
  font-size: 15px;
  color: var(--color-ink-mute);
  margin-bottom: var(--spacing-xl);
}

/* Category selector cards */
.card-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.select-card {
  padding: var(--spacing-lg);
  background: var(--color-canvas);
  border: 2px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}

.select-card:hover {
  border-color: var(--color-primary-soft);
  background: rgba(83,58,253,0.02);
  transform: translateY(-2px);
  box-shadow: var(--shadow-level-1);
}

.select-card.active {
  border-color: var(--color-primary);
  background: rgba(83,58,253,0.04);
  box-shadow: var(--shadow-primary-glow);
}

.select-card-icon {
  font-size: 32px;
  margin-bottom: var(--spacing-sm);
}

.select-card-title {
  font-size: 15px;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}

.select-card-desc {
  font-size: 12px;
  color: var(--color-ink-mute);
  line-height: 1.4;
}

/* Allocation preview */
.allocation-preview-box {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.preview-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-label {
  font-size: 13px;
  color: var(--color-ink-mute);
}

.preview-value {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-ink);
  font-feature-settings: "ss01", "tnum";
}

.preview-value.highlight {
  color: var(--color-success);
  font-size: 20px;
  font-weight: 300;
  letter-spacing: -0.2px;
}

/* Wizard footer */
.wizard-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-hairline);
}

/* ==========================================================================
   18. FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-canvas);
  border-top: 1px solid var(--color-hairline);
  padding: var(--spacing-xxl) var(--spacing-xl);
  text-align: center;
  color: var(--color-ink-mute);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.39px;
  position: relative;
  z-index: 1;
}

.site-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-primary-deep);
}

/* ==========================================================================
   19. RESPONSIVE
   ========================================================================== */
@media (max-width: 1440px) {
  .main-layout {
    padding: var(--spacing-xxl) var(--spacing-lg);
  }
}

@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 1fr;
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .sidebar {
    order: 2;
  }

  .simulator-layout {
    grid-template-columns: 1fr;
  }

  .passport-layout {
    grid-template-columns: 1fr;
  }

  .learning-layout {
    grid-template-columns: 1fr;
  }

  .learning-menu {
    flex-direction: row;
    overflow-x: auto;
  }

  .learning-menu-btn {
    white-space: nowrap;
  }
}

@media (max-width: 768px) {
  .main-layout {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .navbar {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    padding: var(--spacing-xs) 0;
  }

  .nav-tab span {
    display: none;
  }

  .nav-tab {
    padding: var(--spacing-sm);
  }

  .text-gradient {
    font-size: 26px;
    letter-spacing: -0.26px;
  }

  .section-header {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: stretch;
  }

  .btn-primary {
    justify-content: center;
    width: 100%;
  }

  .card-selector {
    grid-template-columns: 1fr;
  }

  .goals-grid {
    grid-template-columns: 1fr;
  }

  .sim-results-grid {
    grid-template-columns: 1fr;
  }

  .gradient-mesh-backdrop {
    height: 260px;
  }
}