/* ==========================================================================
   AI MEETING NOTES - MODERN SAAS DESIGN SYSTEM & ACCESSIBILITY STYLES
   Pure Vanilla CSS3 • Mobile-First • Zero Layout Shift (CLS) • WCAG 2.1 AA
   ========================================================================== */

:root {
  /* Color Palette - Light Mode */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #ffffff;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --border-subtle: #e2e8f0;
  --border-focus: #6366f1;
  --border-strong: #cbd5e1;

  --accent-primary: #4f46e5;
  --accent-primary-hover: #4338ca;
  --accent-primary-light: #eef2ff;
  --accent-primary-ring: rgba(79, 70, 229, 0.25);

  --accent-success: #059669;
  --accent-success-light: #ecfdf5;
  --accent-warning: #d97706;
  --accent-warning-light: #fffbeb;
  --accent-danger: #dc2626;
  --accent-danger-light: #fef2f2;
  --accent-info: #0284c7;
  --accent-info-light: #f0f9ff;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1200px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

[data-theme="dark"] {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-card: #151d2e;
  --bg-card-hover: #1c263c;
  --bg-input: #1a2336;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;

  --border-subtle: #243048;
  --border-focus: #818cf8;
  --border-strong: #334155;

  --accent-primary: #6366f1;
  --accent-primary-hover: #818cf8;
  --accent-primary-light: rgba(99, 102, 241, 0.15);
  --accent-primary-ring: rgba(99, 102, 241, 0.35);

  --accent-success: #10b981;
  --accent-success-light: rgba(16, 185, 129, 0.15);
  --accent-warning: #f59e0b;
  --accent-warning-light: rgba(245, 158, 11, 0.15);
  --accent-danger: #ef4444;
  --accent-danger-light: rgba(239, 68, 68, 0.15);
  --accent-info: #38bdf8;
  --accent-info-light: rgba(56, 189, 248, 0.15);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
  width: 100%;
}

body.no-scroll {
  overflow: hidden;
  touch-action: none;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-primary-hover);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.5rem, 2.5vw + 0.5rem, 2.25rem); margin-top: 2rem; margin-bottom: 1rem; }
h3 { font-size: clamp(1.2rem, 1.5vw + 0.5rem, 1.5rem); margin-top: 1.5rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

code, pre {
  font-family: var(--font-mono);
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.container-narrow {
  max-width: 860px;
}

main {
  flex: 1 0 auto;
}

/* ========================================================================/* Header & Navigation (Top-Right Aligned & Mobile-Friendly)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  gap: 1rem;
}

@media (max-width: 640px) {
  .header-inner {
    height: 3.75rem;
  }
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  min-height: 44px;
}

@media (max-width: 480px) {
  .brand-logo {
    font-size: 1.05rem;
    gap: 0.45rem;
  }
}

.brand-logo .logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  color: #ffffff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.3);
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .brand-logo .logo-icon {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
  }
}

/* Header Right Nav Cluster */
.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  padding: 0.5rem 0.35rem;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-primary);
}

.nav-link.active {
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent-primary);
  border-radius: 2px;
}

.nav-link-tool {
  background-color: var(--accent-primary-light);
  color: var(--accent-primary) !important;
  font-weight: 600;
  padding: 0.4rem 0.85rem !important;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.nav-link-tool:hover {
  background-color: var(--accent-primary);
  color: #ffffff !important;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--accent-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  min-height: 44px;
}

.btn-header-cta:hover {
  background: var(--accent-primary-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

@media (max-width: 480px) {
  .btn-header-cta {
    padding: 0.4rem 0.65rem;
    font-size: 0.8125rem;
  }
}

.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.15rem;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  touch-action: manipulation;
}

.theme-toggle-btn:hover {
  background: var(--border-subtle);
}

.theme-toggle-btn:active {
  transform: scale(0.95);
}

.mobile-menu-toggle {
  display: none;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  flex-shrink: 0;
  touch-action: manipulation;
}

.mobile-menu-toggle:active {
  transform: scale(0.95);
}

/* Mobile Nav Drawer & Backdrop */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 4.5rem;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.25rem 1.25rem max(2rem, env(safe-area-inset-bottom));
  box-shadow: var(--shadow-xl);
  z-index: 1001;
  max-height: calc(100vh - 4.5rem);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 640px) {
  .mobile-nav-drawer {
    top: 3.75rem;
    max-height: calc(100vh - 3.75rem);
  }
}

.mobile-nav-drawer.open {
  display: block;
  animation: slideDown 220ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  min-height: 48px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  touch-action: manipulation;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background-color: var(--bg-tertiary);
  color: var(--accent-primary);
}

.mobile-nav-cta {
  background: var(--accent-primary);
  color: #ffffff !important;
  text-align: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.mobile-nav-cta:hover {
  background: var(--accent-primary-hover) !important;
}

/* ==========================================================================
   Hero & Header Section
   ========================================================================== */
.hero-section {
  padding: 3.5rem 0 2.5rem;
  text-align: center;
}

@media (max-width: 640px) {
  .hero-section {
    padding: 2rem 0 1.5rem;
  }
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

@media (max-width: 540px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

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

.btn-hero-primary {
  font-size: 1.1rem;
  padding: 0.875rem 1.85rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 48px;
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
}

.btn-hero-secondary {
  font-size: 1.05rem;
  padding: 0.875rem 1.6rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 48px;
}

.btn-hero-secondary:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
}

/* Interactive Preview Showcase */
.showcase-section {
  margin: 2.5rem 0 4rem;
}

@media (max-width: 640px) {
  .showcase-section {
    margin: 1.5rem 0 2.5rem;
  }
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

@media (max-width: 640px) {
  .showcase-card {
    border-radius: var(--radius-lg);
  }
}

.showcase-header {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.875rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.showcase-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.window-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  display: inline-block;
}
.window-dot.red { background: #ef4444; }
.window-dot.yellow { background: #f59e0b; }
.window-dot.green { background: #10b981; }

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 380px;
}

@media (max-width: 860px) {
  .showcase-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }
}

.showcase-pane {
  padding: 1.5rem;
  overflow-y: auto;
}

@media (max-width: 640px) {
  .showcase-pane {
    padding: 1.15rem;
  }
}

.showcase-pane-left {
  background: var(--bg-primary);
  border-right: 1px solid var(--border-subtle);
}

@media (max-width: 860px) {
  .showcase-pane-left {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
}

.showcase-pane-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.showcase-transcript-content {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 640px) {
  .showcase-transcript-content {
    font-size: 0.8125rem;
    max-height: 220px;
    overflow-y: auto;
  }
}

.showcase-notes-content {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Feature Pillars Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 3.5rem 0;
}

@media (max-width: 640px) {
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin: 2rem 0;
  }
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition-normal);
}

@media (max-width: 640px) {
  .pillar-card {
    padding: 1.25rem;
  }
}

.pillar-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-md);
}

.pillar-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: var(--accent-primary-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, #312e81 0%, #4f46e5 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 3.5rem 2rem;
  text-align: center;
  margin: 4rem 0 2rem;
  box-shadow: var(--shadow-xl);
}

@media (max-width: 640px) {
  .cta-banner {
    padding: 2.25rem 1.25rem;
    border-radius: var(--radius-lg);
    margin: 2.5rem 0 1.5rem;
  }
}

.cta-banner h2 {
  color: #ffffff;
  font-size: clamp(1.6rem, 3vw + 1rem, 2.5rem);
  margin-bottom: 1rem;
}

.cta-banner p {
  color: #e0e7ff;
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

@media (max-width: 640px) {
  .cta-banner p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }
}

.cta-banner .btn-white {
  background: #ffffff;
  color: #4f46e5;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 48px;
}

@media (max-width: 540px) {
  .cta-banner .btn-white {
    width: 100%;
    justify-content: center;
  }
}

.cta-banner .btn-white:hover {
  background: #f8fafc;
  transform: translateY(-2px);
  color: #4338ca;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-muted);
}
.breadcrumbs a:hover {
  color: var(--accent-primary);
}

.breadcrumbs span.separator {
  opacity: 0.5;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--accent-primary-light);
  color: var(--accent-primary);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  max-width: 100%;
  text-align: center;
}

@media (max-width: 480px) {
  .hero-badge {
    font-size: 0.75rem;
    padding: 0.35rem 0.65rem;
  }
}

.hero-title {
  margin-bottom: 1rem;
  font-weight: 800;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
}

@media (max-width: 640px) {
  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
}

/* ==========================================================================
   Tool Workspace Layout & Components (Mobile-Optimized)
   ========================================================================== */
.tool-workspace {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: 3.5rem;
  overflow: hidden;
}

@media (max-width: 640px) {
  .tool-workspace {
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
  }
}

.tool-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 640px) {
  .tool-header-bar {
    padding: 0.75rem 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.625rem;
  }
}

.tool-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 2px;
}

.tool-tabs::-webkit-scrollbar {
  display: none;
}

.tool-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 0.875rem;
  min-height: 44px;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  touch-action: manipulation;
}

.tool-tab-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.tool-tab-btn.active {
  background: var(--bg-secondary);
  color: var(--accent-primary);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.header-actions-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

@media (max-width: 640px) {
  .header-actions-right {
    justify-content: flex-end;
  }
}

.workspace-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 580px;
}

@media (max-width: 900px) {
  .workspace-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }
}

/* Input Panel */
.panel-input {
  padding: 1.5rem;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background-color: var(--bg-secondary);
}

@media (max-width: 900px) {
  .panel-input {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
}

@media (max-width: 640px) {
  .panel-input {
    padding: 1.15rem;
    gap: 1rem;
  }
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

@media (max-width: 480px) {
  .panel-title {
    font-size: 0.95rem;
  }
}

.counter-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* Voice Dictation Box */
.voice-recording-box {
  background: var(--bg-tertiary);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transition: all var(--transition-fast);
}

.voice-recording-box.recording {
  border-color: var(--accent-danger);
  background: var(--accent-danger-light);
}

.mic-action-btn {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
  color: #ffffff;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.mic-action-btn:hover {
  transform: scale(1.05);
  background: var(--accent-primary-hover);
}

.mic-action-btn:active {
  transform: scale(0.95);
}

.mic-action-btn.active {
  background: var(--accent-danger);
  animation: pulse-mic 1.5s infinite;
}

@keyframes pulse-mic {
  0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5); }
  70% { box-shadow: 0 0 0 16px rgba(220, 38, 38, 0); }
  100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

.pulse-wave-visualizer {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 24px;
}

.pulse-wave-visualizer.active {
  display: flex;
}

.wave-bar {
  width: 4px;
  height: 6px;
  background-color: var(--accent-danger);
  border-radius: 2px;
  animation: wave-anim 1s ease-in-out infinite alternate;
}

.wave-bar:nth-child(2) { animation-delay: 0.15s; }
.wave-bar:nth-child(3) { animation-delay: 0.3s; }
.wave-bar:nth-child(4) { animation-delay: 0.45s; }
.wave-bar:nth-child(5) { animation-delay: 0.6s; }

@keyframes wave-anim {
  0% { height: 4px; }
  100% { height: 22px; }
}

/* Dropzone Upload */
.dropzone-area {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.dropzone-area:hover, .dropzone-area.dragover {
  border-color: var(--accent-primary);
  background: var(--accent-primary-light);
}

.dropzone-icon {
  font-size: 2rem;
  margin-bottom: 0.35rem;
  color: var(--accent-primary);
}

/* Transcript Textarea */
.transcript-textarea {
  width: 100%;
  min-height: 200px;
  flex: 1;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px; /* 16px prevents iOS Safari automatic zooming */
  line-height: 1.6;
  resize: vertical;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.transcript-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-primary-ring);
  outline: none;
}

/* Option Selectors */
.options-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

@media (max-width: 560px) {
  .options-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.custom-select, .custom-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  min-height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-input);
  color: var(--text-primary);
  font-size: 16px; /* Prevents mobile Safari auto-zoom */
  transition: all var(--transition-fast);
}

.custom-select:focus, .custom-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--accent-primary-ring);
  outline: none;
}

/* Primary Action Buttons */
.action-buttons-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

@media (max-width: 540px) {
  .action-buttons-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    gap: 0.5rem;
  }

  .action-buttons-group .btn {
    width: 100%;
    justify-content: center;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  min-height: 44px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  touch-action: manipulation;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
  background-color: var(--accent-primary-hover);
  color: #ffffff;
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  min-height: 40px;
}

.btn-icon-only {
  padding: 0.55rem;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
}

/* Output Panel */
.panel-output {
  padding: 1.5rem;
  background-color: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}

@media (max-width: 640px) {
  .panel-output {
    padding: 1.15rem;
    gap: 1rem;
  }
}

.output-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

@media (max-width: 640px) {
  .output-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
}

.output-render-area {
  flex: 1;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  max-height: 520px;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .output-render-area {
    padding: 1rem;
    max-height: 420px;
    font-size: 0.9375rem;
  }
}

/* Rendered Markdown Notes Styling */
.rendered-notes h1 {
  font-size: 1.4rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--border-subtle);
  color: var(--accent-primary);
}

@media (max-width: 480px) {
  .rendered-notes h1 {
    font-size: 1.2rem;
  }
}

.rendered-notes h1:first-child {
  margin-top: 0;
}

.rendered-notes h2 {
  font-size: 1.2rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 480px) {
  .rendered-notes h2 {
    font-size: 1.05rem;
  }
}

.rendered-notes ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.rendered-notes li {
  margin-bottom: 0.4rem;
}

.rendered-notes strong {
  color: var(--text-primary);
}

.rendered-notes table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.875rem;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.rendered-notes th, .rendered-notes td {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-subtle);
  text-align: left;
  white-space: nowrap;
}

.rendered-notes th {
  background-color: var(--bg-tertiary);
  font-weight: 700;
}

.rendered-notes blockquote {
  border-left: 4px solid var(--accent-primary);
  padding: 0.5rem 1rem;
  background-color: var(--accent-primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1rem;
}

.tag-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  margin-right: 0.25rem;
}

.tag-badge.owner {
  background-color: var(--accent-primary-light);
  color: var(--accent-primary);
}

.tag-badge.deadline {
  background-color: var(--accent-warning-light);
  color: var(--accent-warning);
}

.tag-badge.priority-high {
  background-color: var(--accent-danger-light);
  color: var(--accent-danger);
}

/* Empty State */
.output-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  min-height: 240px;
  color: var(--text-muted);
  gap: 0.75rem;
  padding: 1rem;
}

.empty-icon {
  font-size: 2.75rem;
  opacity: 0.6;
}

/* Toast Notification (Mobile-Centered) */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
}

@media (max-width: 640px) {
  .toast-notification {
    left: 1rem;
    right: 1rem;
    bottom: 1.5rem;
    justify-content: center;
    text-align: center;
    width: auto;
    max-width: calc(100% - 2rem);
    margin: 0 auto;
  }
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* Modal Popup (Mobile-Responsive) */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  position: relative;
  max-height: 85vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 480px) {
  .modal-content {
    padding: 1.25rem;
    border-radius: var(--radius-md);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
}

/* ==========================================================================
   Content Sections (Deep SEO Pillars)
   ========================================================================== */
.content-section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-subtle);
}

@media (max-width: 640px) {
  .content-section {
    padding: 2.25rem 0;
  }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

@media (max-width: 640px) {
  .section-header {
    margin-bottom: 1.75rem;
  }
}

.section-tag {
  color: var(--accent-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
  display: block;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (max-width: 640px) {
  .feature-card {
    padding: 1.25rem;
  }
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.feature-icon-wrapper {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: var(--accent-primary-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  flex-shrink: 0;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}

@media (max-width: 640px) {
  .step-card {
    padding: 1.25rem;
  }
}

.step-number {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--border-subtle);
  line-height: 1;
}

/* Comparison Table (Touch-Friendly Responsive Swipe) */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  margin-top: 2rem;
}

@media (max-width: 640px) {
  .table-responsive {
    margin-top: 1.25rem;
    border-radius: var(--radius-md);
  }
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 540px;
}

.comparison-table th, .comparison-table td {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

@media (max-width: 640px) {
  .comparison-table th, .comparison-table td {
    padding: 0.75rem 0.85rem;
    font-size: 0.875rem;
  }
}

.comparison-table th {
  background: var(--bg-tertiary);
  font-weight: 700;
  font-size: 0.95rem;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-badge-yes {
  color: var(--accent-success);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.comparison-badge-no {
  color: var(--accent-danger);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-focus);
}

.faq-question-btn {
  width: 100%;
  padding: 1.25rem 1.5rem;
  min-height: 48px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  touch-action: manipulation;
}

@media (max-width: 640px) {
  .faq-question-btn {
    padding: 1rem 1.15rem;
    font-size: 0.95rem;
  }
}

.faq-icon {
  font-size: 1.25rem;
  transition: transform var(--transition-fast);
  color: var(--accent-primary);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 640px) {
  .faq-answer {
    padding: 0 1.15rem 1rem;
    font-size: 0.9375rem;
  }
}

.faq-item.active .faq-answer {
  display: block;
}

/* Tool Directory & Directory Cards */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .tool-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.tool-directory-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: all var(--transition-normal);
}

@media (max-width: 640px) {
  .tool-directory-card {
    padding: 1.25rem;
  }
}

.tool-directory-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.tool-badge-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--accent-primary-light);
  color: var(--accent-primary);
  align-self: flex-start;
}

/* Blog & Article Styles */
.blog-post-header {
  padding: 3rem 0 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .blog-post-header {
    padding: 1.75rem 0 1.25rem;
  }
}

.article-body {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.0625rem;
  line-height: 1.8;
}

@media (max-width: 640px) {
  .article-body {
    font-size: 0.95rem;
    line-height: 1.7;
  }
}

.article-body h2 {
  margin-top: 2.5rem;
}

@media (max-width: 640px) {
  .article-body h2 {
    margin-top: 1.75rem;
  }
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

/* Contact Form */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

@media (max-width: 640px) {
  .contact-form-card {
    padding: 1.25rem;
  }
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
  }
}

/* Footer (Mobile-Friendly) */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

@media (max-width: 640px) {
  .site-footer {
    padding: 2.5rem 0 1.5rem;
    margin-top: 2.5rem;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    margin-bottom: 2rem;
  }
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
  .footer-col h4 {
    margin-bottom: 0.75rem;
  }
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.875rem;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 640px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}

/* ==========================================================================
   Print / PDF Styles
   ========================================================================== */
@media print {
  .site-header,
  .site-footer,
  .tool-header-bar,
  .panel-input,
  .output-toolbar,
  .content-section,
  .hero-section,
  .toast-notification,
  .modal-overlay {
    display: none !important;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .tool-workspace {
    border: none !important;
    box-shadow: none !important;
  }

  .workspace-grid {
    display: block !important;
  }

  .panel-output {
    padding: 0 !important;
    background: #ffffff !important;
  }

  .output-render-area {
    border: none !important;
    max-height: none !important;
    padding: 0 !important;
  }

  .rendered-notes h1 {
    color: #000000 !important;
    border-bottom: 2px solid #333333 !important;
  }
}

/* Responsive Navigation Bar Breakpoint */
@media (max-width: 820px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-toggle {
    display: inline-flex;
  }
}