/* ================================================================
   TILTEDTRADES HELP CENTER - STYLES
   Standalone CSS that matches the TiltedTrades design system
   ================================================================ */

/* ----------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ---------------------------------------------------------------- */

:root {
  /* TYPOGRAPHY */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* BACKGROUNDS - Light Mode */
  --color-bg-primary: #E2E8F0;
  --color-bg-secondary: #F8FAFC;
  --color-bg-tertiary: #F1F5F9;
  --color-bg-card: #F8FAFC;
  --color-bg-sidebar: #F1F5F9;
  --color-bg-input: #FFFFFF;
  --color-bg-hover: #E2E8F0;

  /* BORDERS */
  --color-border: #CBD5E1;
  --color-border-subtle: rgba(203, 213, 225, 0.5);

  /* TEXT COLORS */
  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-text-tertiary: #64748B;
  --color-text-muted: #94A3B8;

  /* SEMANTIC COLORS */
  --color-profit: #10B981;
  --color-loss: #DC2626;
  --color-caution: #D97706;
  --color-accent: #2563EB;
  --color-premium: #9333EA;

  /* INFO BOX COLORS */
  --color-info-bg: rgba(37, 99, 235, 0.1);
  --color-info-border: rgba(37, 99, 235, 0.3);
  --color-info-text: #1D4ED8;

  --color-tip-bg: rgba(16, 185, 129, 0.1);
  --color-tip-border: rgba(16, 185, 129, 0.3);
  --color-tip-text: #059669;

  --color-warning-bg: rgba(217, 119, 6, 0.1);
  --color-warning-border: rgba(217, 119, 6, 0.3);
  --color-warning-text: #B45309;

  /* SCROLLBAR */
  --color-scrollbar-track: var(--color-bg-secondary);
  --color-scrollbar-thumb: #94A3B8;
  --color-scrollbar-thumb-hover: #64748B;

  /* BORDER RADIUS */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* SPACING */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* SIDEBAR */
  --sidebar-width: 280px;
}

/* Dark Mode */
.dark {
  --color-bg-primary: #0F172A;
  --color-bg-secondary: #1E293B;
  --color-bg-tertiary: #334155;
  --color-bg-card: #1E293B;
  --color-bg-sidebar: #1E293B;
  --color-bg-input: #334155;
  --color-bg-hover: #334155;

  --color-border: #475569;
  --color-border-subtle: rgba(71, 85, 105, 0.3);

  --color-text-primary: #F8FAFC;
  --color-text-secondary: #CBD5E1;
  --color-text-tertiary: #94A3B8;
  --color-text-muted: #64748B;

  --color-profit: #2DD4BF;
  --color-loss: #EF4444;
  --color-caution: #F59E0B;
  --color-accent: #3B82F6;
  --color-premium: #A855F7;

  --color-info-bg: rgba(30, 64, 175, 0.2);
  --color-info-border: rgba(59, 130, 246, 0.3);
  --color-info-text: #60A5FA;

  --color-tip-bg: rgba(6, 78, 59, 0.2);
  --color-tip-border: rgba(52, 211, 153, 0.3);
  --color-tip-text: #6EE7B7;

  --color-warning-bg: rgba(146, 64, 14, 0.2);
  --color-warning-border: rgba(245, 158, 11, 0.3);
  --color-warning-text: #FBBF24;

  --color-scrollbar-thumb: var(--color-bg-tertiary);
  --color-scrollbar-thumb-hover: var(--color-border);
}

/* ----------------------------------------------------------------
   2. BASE STYLES
   ---------------------------------------------------------------- */

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
}

/* ----------------------------------------------------------------
   3. LAYOUT
   ---------------------------------------------------------------- */

.site-wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 40;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text-primary);
}

.sidebar-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-premium, #a855f7));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-logo svg {
  width: 24px;
  height: 24px;
  color: white;
}

.sidebar-logo span {
  font-weight: 700;
  font-size: 1.125rem;
}

.sidebar-nav {
  padding: var(--space-4);
}

.nav-section {
  margin-bottom: var(--space-6);
}

.nav-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.nav-link:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.nav-link.active {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-accent);
  font-weight: 500;
}

.nav-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.content-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
}

/* Mobile Sidebar Toggle */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  z-index: 50;
  padding: 0 var(--space-4);
  align-items: center;
  justify-content: space-between;
}

.mobile-menu-btn {
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 35;
}

/* ----------------------------------------------------------------
   4. TYPOGRAPHY
   ---------------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: 2.25rem;
  margin-bottom: var(--space-6);
}

h2 {
  font-size: 1.5rem;
  margin-top: var(--space-8);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

h3 {
  font-size: 1.25rem;
  margin-top: var(--space-6);
}

h4 { font-size: 1.125rem; }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  text-decoration: underline;
}

strong {
  font-weight: 600;
  color: var(--color-text-primary);
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--color-bg-tertiary);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
}

/* ----------------------------------------------------------------
   5. COMPONENTS
   ---------------------------------------------------------------- */

/* Page Header */
.page-header {
  margin-bottom: var(--space-8);
}

.page-header h1 {
  margin-bottom: var(--space-2);
}

.page-description {
  font-size: 1.125rem;
  color: var(--color-text-tertiary);
}

/* Card */
.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.feature-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.feature-card-link {
  color: inherit;
  text-decoration: none;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.feature-card h3 {
  font-size: 1rem;
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.feature-card p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Info Boxes */
.info-box {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  margin-bottom: var(--space-6);
}

.info-box p:last-child {
  margin-bottom: 0;
}

.info-box-title {
  font-weight: 600;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.info-box-title svg {
  width: 18px;
  height: 18px;
}

.info-box.info {
  background-color: var(--color-info-bg);
  border-color: var(--color-info-border);
}

.info-box.info .info-box-title {
  color: var(--color-info-text);
}

.info-box.tip {
  background-color: var(--color-tip-bg);
  border-color: var(--color-tip-border);
}

.info-box.tip .info-box-title {
  color: var(--color-tip-text);
}

.info-box.warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning-border);
}

.info-box.warning .info-box-title {
  color: var(--color-warning-text);
}

/* Lists */
ul, ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
  color: var(--color-text-secondary);
}

li {
  margin-bottom: var(--space-2);
}

li::marker {
  color: var(--color-text-muted);
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--space-6);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th, td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

th {
  background-color: var(--color-bg-tertiary);
  font-weight: 600;
  color: var(--color-text-primary);
}

tr:hover td {
  background-color: var(--color-bg-tertiary);
}

/* Keyboard Shortcuts */
kbd {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 0 var(--color-border);
}

/* Step List */
.step-list {
  list-style: none;
  padding-left: 0;
  counter-reset: step-counter;
}

.step-list li {
  position: relative;
  padding-left: 3rem;
  margin-bottom: var(--space-6);
  counter-increment: step-counter;
}

.step-list li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background-color: var(--color-accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

/* FAQ Accordion */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-bg-secondary);
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
  transition: background-color 0.2s;
}

.faq-question:hover {
  background-color: var(--color-bg-tertiary);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform 0.2s;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

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

/* Search Box */
.search-box {
  margin-bottom: var(--space-6);
}

.search-input-wrapper {
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: 2.75rem;
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  color: var(--color-text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

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

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-6);
}

.breadcrumb a {
  color: var(--color-text-tertiary);
}

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

.breadcrumb-separator {
  color: var(--color-text-muted);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
  z-index: 30;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.theme-toggle:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Footer */
.help-footer {
  margin-top: var(--space-16);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.help-footer p {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

.help-footer a {
  color: var(--color-accent);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--color-scrollbar-thumb);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-scrollbar-thumb-hover);
}

/* ----------------------------------------------------------------
   6. RESPONSIVE
   ---------------------------------------------------------------- */

@media (max-width: 1024px) {
  .content-wrapper {
    padding: var(--space-6) var(--space-4);
  }
}

@media (max-width: 768px) {
  .mobile-header {
    display: flex;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.active {
    display: block;
  }

  .main-content {
    margin-left: 0;
    padding-top: 64px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

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

  .back-to-top {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
  }
}

/* ----------------------------------------------------------------
   7. PRINT STYLES
   ---------------------------------------------------------------- */

@media print {
  .sidebar,
  .mobile-header,
  .back-to-top,
  .theme-toggle {
    display: none !important;
  }

  .main-content {
    margin-left: 0 !important;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }
}