/* ============================================================
   RetirePlusPlus Design Tokens & Senior-Friendly Utilities
   ============================================================ */

:root {
  /* ---- Brand Colors ---- */
  --color-primary: #1E40AF;
  --color-primary-light: #3B82F6;
  --color-primary-dark: #1E3A8A;
  --color-secondary: #059669;
  --color-secondary-light: #10B981;
  --color-secondary-dark: #047857;

  /* ---- Aliases (used throughout templates) ---- */
  --retire-primary: #1E40AF;
  --retire-primary-light: #3B82F6;
  --retire-primary-dark: #1E3A8A;
  --retire-secondary: #059669;
  --retire-secondary-light: #10B981;
  --retire-accent: #F59E0B;
  --retire-accent-light: #FCD34D;
  --retire-rose: #E11D48;

  /* ---- Senior-Friendly Typography ---- */
  --font-size-body: 1rem;
  --font-size-label: 1.125rem;
  --font-size-heading: 1.5rem;
  --font-size-hero: 2.5rem;
  --font-body: 1.0625rem;
  --font-label: 1.125rem;
  --font-heading-sm: 1.25rem;
  --font-heading-md: 1.5rem;
  --font-heading-lg: 2rem;
  --font-heading-xl: 2.5rem;
  --font-heading-hero: 3rem;
  --line-height: 1.75;
  --line-height-body: 1.75;
  --line-height-heading: 1.3;

  /* ---- Spacing ---- */
  --touch-target: 2.75rem;
  --touch-min: 2.75rem;
  --radius: 0.5rem;
  --section-padding: 5rem;
  --card-padding: 1.75rem;
  --card-radius: 0.75rem;

  /* ---- Transitions ---- */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* ---- Shadows ---- */
  --shadow: 0 0.0625rem 0.1875rem rgba(0,0,0,0.1);
}

/* ---- Light Theme (default) ---- */
:root,
[data-theme="light"] {
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;

  --retire-bg: #FFFFFF;
  --retire-bg-alt: #F0F4FF;
  --retire-surface: #F8FAFC;
  --retire-surface-elevated: #FFFFFF;
  --retire-text: #0F172A;
  --retire-text-secondary: #475569;
  --retire-text-muted: #94A3B8;
  --retire-border: #E2E8F0;
  --retire-border-light: #F1F5F9;
  --retire-shadow: 0 0.0625rem 0.1875rem rgba(0, 0, 0, 0.08);
  --retire-shadow-md: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.08);
  --retire-shadow-lg: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.1);
  --retire-hero-gradient: linear-gradient(135deg, #EFF6FF 0%, #F0FDF4 100%);
  --retire-card-hover-bg: #F1F5F9;
  --retire-overlay: rgba(15, 23, 42, 0.5);
  --shadow: 0 0.0625rem 0.1875rem rgba(0,0,0,0.1);
}

/* ---- Dark Theme ---- */
[data-theme="dark"] {
  --color-bg: #0F172A;
  --color-bg-alt: #1E293B;
  --color-text: #F1F5F9;
  --color-text-muted: #94A3B8;
  --color-border: #334155;

  --retire-bg: #0F172A;
  --retire-bg-alt: #131C31;
  --retire-surface: #1E293B;
  --retire-surface-elevated: #273549;
  --retire-text: #F1F5F9;
  --retire-text-secondary: #94A3B8;
  --retire-text-muted: #64748B;
  --retire-border: #334155;
  --retire-border-light: #1E293B;
  --retire-shadow: 0 0.0625rem 0.1875rem rgba(0, 0, 0, 0.3);
  --retire-shadow-md: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.3);
  --retire-shadow-lg: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.4);
  --retire-hero-gradient: linear-gradient(135deg, #0F172A 0%, #1A2332 100%);
  --retire-card-hover-bg: #334155;
  --retire-overlay: rgba(0, 0, 0, 0.6);
  --shadow: 0 0.0625rem 0.1875rem rgba(0,0,0,0.3);
}

/* ============================================================
   Base Styles
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--font-body);
  line-height: var(--line-height-body);
  background: var(--retire-bg);
  color: var(--retire-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   Senior-Friendly Focus Indicators
   ============================================================ */
*:focus-visible {
  outline: 0.1875rem solid var(--retire-primary-light);
  outline-offset: 0.125rem;
  border-radius: 0.25rem;
}

/* Extra-visible focus for interactive elements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 0.1875rem solid var(--retire-primary-light);
  outline-offset: 0.125rem;
  box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
}

/* ============================================================
   Senior-Friendly Button Utilities
   ============================================================ */
.btn-retire {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: var(--touch-min);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-label);
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  line-height: 1.4;
}

.btn-retire-primary {
  background: var(--retire-primary);
  color: #FFFFFF;
}
.btn-retire-primary:hover {
  background: var(--retire-primary-dark);
  transform: translateY(-0.0625rem);
  box-shadow: var(--retire-shadow-md);
}

.btn-retire-secondary {
  background: var(--retire-secondary);
  color: #FFFFFF;
}
.btn-retire-secondary:hover {
  background: #047857;
  transform: translateY(-0.0625rem);
  box-shadow: var(--retire-shadow-md);
}

.btn-retire-outline {
  background: transparent;
  color: var(--retire-primary);
  border: 0.125rem solid var(--retire-primary);
}
.btn-retire-outline:hover {
  background: var(--retire-primary);
  color: #FFFFFF;
}

.btn-retire-ghost {
  background: transparent;
  color: var(--retire-text);
  border: 0.0625rem solid var(--retire-border);
}
.btn-retire-ghost:hover {
  background: var(--retire-card-hover-bg);
}

.btn-retire-danger {
  background: var(--retire-rose);
  color: #FFFFFF;
}
.btn-retire-danger:hover {
  opacity: 0.9;
  transform: translateY(-0.0625rem);
}

.btn-retire:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ============================================================
   Senior-Friendly Card
   ============================================================ */
.retire-card {
  background: var(--retire-surface-elevated);
  border: 0.0625rem solid var(--retire-border);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: var(--retire-shadow);
  transition: all var(--transition-normal);
}
.retire-card:hover {
  box-shadow: var(--retire-shadow-md);
}

/* ============================================================
   Form Utilities
   ============================================================ */
.retire-input {
  width: 100%;
  min-height: var(--touch-min);
  padding: 0.625rem 0.875rem;
  font-size: var(--font-body);
  line-height: 1.5;
  color: var(--retire-text);
  background: var(--retire-surface);
  border: 0.0625rem solid var(--retire-border);
  border-radius: 0.5rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: inherit;
}
.retire-input:focus {
  border-color: var(--retire-primary-light);
  box-shadow: 0 0 0 0.1875rem rgba(59, 130, 246, 0.2);
  outline: none;
}
.retire-input::placeholder {
  color: var(--retire-text-muted);
}
.retire-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.retire-select {
  width: 100%;
  min-height: var(--touch-min);
  padding: 0.625rem 0.875rem;
  font-size: var(--font-body);
  color: var(--retire-text);
  background: var(--retire-surface);
  border: 0.0625rem solid var(--retire-border);
  border-radius: 0.5rem;
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
}
.retire-select:focus {
  border-color: var(--retire-primary-light);
  box-shadow: 0 0 0 0.1875rem rgba(59, 130, 246, 0.2);
  outline: none;
}

.retire-textarea {
  width: 100%;
  min-height: 6rem;
  padding: 0.75rem 0.875rem;
  font-size: var(--font-body);
  line-height: var(--line-height-body);
  color: var(--retire-text);
  background: var(--retire-surface);
  border: 0.0625rem solid var(--retire-border);
  border-radius: 0.5rem;
  font-family: inherit;
  resize: vertical;
}
.retire-textarea:focus {
  border-color: var(--retire-primary-light);
  box-shadow: 0 0 0 0.1875rem rgba(59, 130, 246, 0.2);
  outline: none;
}

.retire-label {
  display: block;
  font-size: var(--font-label);
  font-weight: 600;
  color: var(--retire-text);
  margin-bottom: 0.375rem;
}

/* ============================================================
   Badge Utilities
   ============================================================ */
.retire-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 1rem;
  white-space: nowrap;
}
.retire-badge-blue {
  background: #DBEAFE;
  color: #1E40AF;
}
.retire-badge-green {
  background: #D1FAE5;
  color: #065F46;
}
.retire-badge-amber {
  background: #FEF3C7;
  color: #92400E;
}
.retire-badge-rose {
  background: #FFE4E6;
  color: #9F1239;
}
[data-theme="dark"] .retire-badge-blue {
  background: rgba(59, 130, 246, 0.2);
  color: #93C5FD;
}
[data-theme="dark"] .retire-badge-green {
  background: rgba(16, 185, 129, 0.2);
  color: #6EE7B7;
}
[data-theme="dark"] .retire-badge-amber {
  background: rgba(245, 158, 11, 0.2);
  color: #FCD34D;
}
[data-theme="dark"] .retire-badge-rose {
  background: rgba(225, 29, 72, 0.2);
  color: #FDA4AF;
}

/* ============================================================
   Modal Utilities
   ============================================================ */
.retire-modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--retire-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}
.retire-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.retire-modal {
  background: var(--retire-surface-elevated);
  border-radius: var(--card-radius);
  width: 90%;
  max-width: 32rem;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--retire-shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}
.retire-modal-overlay.active .retire-modal {
  transform: scale(1);
}

.retire-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 0.0625rem solid var(--retire-border);
  flex-shrink: 0;
}

.retire-modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.retire-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 0.0625rem solid var(--retire-border);
  flex-shrink: 0;
}

/* ============================================================
   Progress / Readiness Indicators
   ============================================================ */
.retire-progress-bar {
  width: 100%;
  height: 0.625rem;
  background: var(--retire-border);
  border-radius: 1rem;
  overflow: hidden;
}
.retire-progress-fill {
  height: 100%;
  border-radius: 1rem;
  transition: width var(--transition-slow);
  background: var(--retire-primary);
}
.retire-progress-fill.green { background: var(--retire-secondary); }
.retire-progress-fill.amber { background: var(--retire-accent); }
.retire-progress-fill.rose { background: var(--retire-rose); }

/* ============================================================
   Circular Progress (Readiness Score)
   ============================================================ */
.retire-circle-progress {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.retire-circle-progress svg {
  transform: rotate(-90deg);
}
.retire-circle-progress .circle-bg {
  fill: none;
  stroke: var(--retire-border);
}
.retire-circle-progress .circle-fill {
  fill: none;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease;
}
.retire-circle-progress .circle-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   Toast / Notification
   ============================================================ */
.retire-toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--retire-secondary);
  color: #FFFFFF;
  padding: 0.875rem 1.5rem;
  border-radius: 0.5rem;
  font-size: var(--font-body);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--retire-shadow-lg);
  transform: translateY(0.5rem);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: 1100;
  pointer-events: none;
}
.retire-toast.visible {
  transform: translateY(0);
  opacity: 1;
}
.retire-toast.error {
  background: var(--retire-rose);
}

/* ============================================================
   Table Utilities
   ============================================================ */
.retire-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-body);
}
.retire-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: var(--font-label);
  font-weight: 600;
  color: var(--retire-text);
  background: var(--retire-surface);
  border-bottom: 0.125rem solid var(--retire-border);
}
.retire-table td {
  padding: 0.75rem 1rem;
  border-bottom: 0.0625rem solid var(--retire-border);
  color: var(--retire-text-secondary);
}
.retire-table tr:hover td {
  background: var(--retire-card-hover-bg);
}

/* ============================================================
   Utility: sr-only
   ============================================================ */
.sr-only {
  position: absolute;
  width: 0.0625rem;
  height: 0.0625rem;
  padding: 0;
  margin: -0.0625rem;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================================
   Empty / Loading States
   ============================================================ */
.retire-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--retire-text-muted);
}
.retire-empty i {
  font-size: 2.5rem;
  opacity: 0.5;
}

.retire-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}
.retire-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 0.1875rem solid var(--retire-border);
  border-top-color: var(--retire-primary);
  border-radius: 50%;
  animation: retire-spin 0.8s linear infinite;
}
@keyframes retire-spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   Iframe Page Base (for dashboard sub-pages)
   ============================================================ */
.iframe-page-body {
  background: var(--retire-bg);
  color: var(--retire-text);
  font-family: 'Inter', system-ui, sans-serif;
  margin: 0;
  padding: 1.5rem;
  font-size: var(--font-body);
  line-height: var(--line-height-body);
}
.iframe-page-container {
  max-width: 56rem;
  margin: 0 auto;
}
.iframe-page-title {
  font-size: var(--font-heading-lg);
  font-weight: 700;
  color: var(--retire-text);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.iframe-page-title i {
  color: var(--retire-primary);
}

@media (max-width: 40rem) {
  .iframe-page-body { padding: 1rem; }
}

/* ============================================================
   SHARED PUBLIC SHELL — Nav, Footer, Theme Toggle
   (Used by public-shell.js across all public pages)
   ============================================================ */

/* ---- Navigation ---- */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--retire-bg);
  border-bottom: 0.0625rem solid var(--retire-border);
  transition: box-shadow var(--transition-normal);
}
.landing-nav.scrolled {
  box-shadow: var(--retire-shadow-md);
}
.nav-inner {
  max-width: 75rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--retire-text);
  font-weight: 800;
  font-size: 1.375rem;
}
.nav-logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--retire-primary);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.125rem;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  color: var(--retire-text-secondary);
  text-decoration: none;
  font-size: var(--font-body);
  font-weight: 500;
  border-radius: 0.375rem;
  transition: color var(--transition-fast), background var(--transition-fast);
  min-height: var(--touch-min);
}
.nav-links a:hover {
  color: var(--retire-primary);
  background: var(--retire-bg-alt);
}
.nav-links a.active {
  color: var(--retire-primary);
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  border: none;
  background: transparent;
  color: var(--retire-text);
  font-size: 1.375rem;
  cursor: pointer;
  border-radius: 0.375rem;
}
.mobile-menu-btn:hover { background: var(--retire-surface); }

/* ---- Mobile Nav Panel ---- */
.mobile-nav {
  display: none;
  position: fixed;
  top: 4.25rem;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--retire-bg);
  z-index: 99;
  padding: 1.5rem;
  overflow-y: auto;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: flex;
  align-items: center;
  padding: 0.875rem 1rem;
  color: var(--retire-text);
  text-decoration: none;
  font-size: var(--font-label);
  font-weight: 500;
  border-radius: 0.5rem;
  min-height: var(--touch-min);
}
.mobile-nav a:hover { background: var(--retire-surface); }

/* ---- Theme Toggle Button ---- */
.theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  border: 0.0625rem solid var(--retire-border);
  background: var(--retire-surface);
  color: var(--retire-text);
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 1.125rem;
  transition: all var(--transition-fast);
}
.theme-btn:hover { background: var(--retire-card-hover-bg); }

/* ---- Footer ---- */
.landing-footer {
  background: var(--retire-surface);
  border-top: 0.0625rem solid var(--retire-border);
  padding: 3rem 1.5rem 2rem;
}
.footer-grid {
  max-width: 75rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--retire-text);
  margin-bottom: 0.75rem;
}
.footer-col h4 {
  font-size: var(--font-body);
  font-weight: 700;
  color: var(--retire-text);
  margin-bottom: 0.875rem;
}
.footer-col a {
  display: block;
  color: var(--retire-text-secondary);
  text-decoration: none;
  padding: 0.3125rem 0;
  font-size: var(--font-body);
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--retire-primary); }
.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  border-radius: 0.5rem;
  background: var(--retire-card-hover-bg);
  color: var(--retire-text-secondary);
  font-size: 1.125rem;
  transition: all var(--transition-fast);
}
.footer-social a:hover {
  background: var(--retire-primary);
  color: #FFFFFF;
}
.footer-bottom {
  max-width: 75rem;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 0.0625rem solid var(--retire-border);
  text-align: center;
  color: var(--retire-text-muted);
  font-size: 0.875rem;
}

/* ---- Desktop Breakpoint (shared shell) ---- */
@media (min-width: 48rem) {
  .nav-links { display: flex; }
  .mobile-menu-btn { display: none; }
}