/* ============================================================
   VISA NOIR — Design System
   Dark-first, gold-accent editorial design for VPP/FIDO demo
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Design Tokens --- */
:root {
  /* Canvas */
  --bg-primary: #0A0E2E;
  --bg-secondary: #111640;
  --bg-tertiary: #1A1F52;
  --bg-code: #080B1F;

  /* Accent */
  --accent-gold: #F7B600;
  --accent-gold-dim: #C49200;
  --accent-gold-glow: rgba(247, 182, 0, 0.15);
  --accent-gold-strong: rgba(247, 182, 0, 0.3);

  /* Text */
  --text-primary: #E8EAF0;
  --text-secondary: #8B90A8;
  --text-tertiary: #5A5F78;

  /* Status */
  --status-success: #00E676;
  --status-error: #FF5252;
  --status-warning: #FFB74D;
  --status-info: #448AFF;

  /* Syntax (dark background) */
  --syn-key: #F7B600;
  --syn-string: #00E676;
  --syn-number: #FFB74D;
  --syn-boolean: #448AFF;
  --syn-null: #5A5F78;

  /* Glass */
  --glass-bg: rgba(17, 22, 64, 0.85);
  --glass-border: rgba(247, 182, 0, 0.12);
  --glass-blur: 20px;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(247, 182, 0, 0.25);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 600ms;
}

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

body {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient gradient background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(247, 182, 0, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(26, 31, 82, 0.3) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* --- Container --- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-lg);
  position: relative;
  z-index: 1;
}

/* --- Typography --- */
h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0 0 var(--space-sm) 0;
  border: none;
  padding: 0;
}

h2 {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 var(--space-md) 0;
}

h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0 0 var(--space-sm) 0;
}

p {
  color: var(--text-secondary);
  margin: 0 0 var(--space-md) 0;
  line-height: 1.7;
}

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

a:hover {
  color: #FFD54F;
}

/* --- Page Header --- */
.page-header,
.header {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg) var(--space-xl);
  position: relative;
  z-index: 1;
  border: none;
  background: none;
  margin: 0;
  border-radius: 0;
}

.header::before {
  display: none;
}

.header h1,
.page-header h1 {
  color: var(--text-primary);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.header h1 .fas,
.page-header h1 .fas {
  color: var(--accent-gold);
  text-shadow: 0 0 20px var(--accent-gold-glow);
  margin: 0;
}

.subtitle,
.header-description {
  color: var(--text-tertiary);
  font-size: 1.05rem;
  margin: 0;
}

.subtitle .fas {
  color: var(--text-tertiary);
  margin-right: 0.5rem;
}

/* Gold underline accent on header title */
.header h1::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent-gold);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

/* --- Step Flow Bar --- */
.step-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 100;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out-expo);
  position: relative;
  white-space: nowrap;
}

.step-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.step-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

/* Future step */
.step-item .step-number {
  background: transparent;
  border: 2px solid var(--text-tertiary);
  color: var(--text-tertiary);
}

.step-item .step-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-tertiary);
  transition: color var(--duration-normal) ease;
}

/* Completed step */
.step-item.completed .step-number {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--bg-primary);
}

.step-item.completed .step-label {
  color: var(--text-secondary);
}

/* Active step */
.step-item.active .step-number {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--bg-primary);
  box-shadow: 0 0 0 4px var(--accent-gold-glow), 0 0 20px var(--accent-gold-glow);
}

.step-item.active .step-label {
  color: var(--accent-gold);
  font-weight: 600;
}

/* Connector line between steps */
.step-connector {
  width: 40px;
  height: 2px;
  background: var(--border-subtle);
  flex-shrink: 0;
}

.step-connector.completed {
  background: var(--accent-gold-dim);
}

/* --- Section Cards --- */
.section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin: var(--space-lg) 0;
  box-shadow: none;
  transition: border-color var(--duration-normal) ease;
}

.section:hover {
  border-color: var(--border-medium);
}

.section h2 {
  color: var(--text-primary);
  margin-top: 0;
}

.section h2 .fas,
.section h2 .far,
.section h2 .fa-solid {
  color: var(--accent-gold);
  margin-right: 0.6rem;
  font-size: 0.85em;
}

.section p {
  color: var(--text-secondary);
}

.section p .fas {
  color: var(--text-tertiary);
  margin-right: 0.4rem;
}

/* --- Main Content --- */
.main-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- Code Blocks (Hero Treatment) --- */
.code-block-container {
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
  overflow: hidden;
  box-shadow: none;
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
  border-top: 2px solid var(--accent-gold-dim);
  border-radius: 0;
}

.code-block-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.code-block-title .fas,
.code-block-title .fa-solid {
  color: var(--accent-gold-dim);
  margin-right: 0.5rem;
}

/* Copy button — ghost gold */
.copy-btn {
  background: transparent;
  color: var(--accent-gold-dim);
  border: 1px solid var(--border-accent);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.copy-btn:hover {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border-color: var(--accent-gold);
  transform: none;
  box-shadow: 0 0 12px var(--accent-gold-glow);
}

.copy-btn .copy-success {
  display: none;
  color: var(--status-success);
}

.copy-btn.copied {
  background: transparent;
  border-color: var(--status-success);
  color: var(--status-success);
}

.copy-btn.copied .copy-text { display: none; }
.copy-btn.copied .copy-success { display: inline; }
.copy-btn:not(.copied) .fa-check { display: none; }
.copy-btn.copied .fa-copy { display: none; }

/* Code content */
pre.code-block,
pre.code-block.enhanced,
.code-content pre {
  padding: 20px;
  background: var(--bg-code);
  overflow-x: auto;
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-wrap: break-word;
  border: none;
  border-radius: 0;
}

/* Syntax highlighting — dark theme */
.json-key,
pre.json .json-key,
.code-block.json .json-key,
.enhanced.json .json-key {
  color: var(--syn-key) !important;
  font-weight: 500;
}

.json-string,
pre.json .json-string,
.code-block.json .json-string,
.enhanced.json .json-string {
  color: var(--syn-string) !important;
}

.json-number,
pre.json .json-number,
.code-block.json .json-number,
.enhanced.json .json-number {
  color: var(--syn-number) !important;
}

.json-boolean,
pre.json .json-boolean,
.code-block.json .json-boolean,
.enhanced.json .json-boolean {
  color: var(--syn-boolean) !important;
}

.json-null,
pre.json .json-null,
.code-block.json .json-null,
.enhanced.json .json-null {
  color: var(--syn-null) !important;
  font-style: italic;
}

/* XML syntax */
.xml-tag { color: var(--syn-key); }
.xml-attr { color: var(--syn-boolean); }
.xml-string { color: var(--syn-string); }
.xml-content { color: var(--text-secondary); }

/* CodeBlockEnhancer generated blocks */
.code-block .code-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
  border-top: 2px solid var(--accent-gold-dim);
  padding: 10px 16px;
}

.code-block .code-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.code-block .copy-button {
  background: transparent;
  color: var(--accent-gold-dim);
  border: 1px solid var(--border-accent);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.code-block .copy-button:hover {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border-color: var(--accent-gold);
}

.code-block .copy-button.copied {
  background: transparent;
  border-color: var(--status-success);
  color: var(--status-success);
}

.code-block .code-content {
  padding: 0;
  background: var(--bg-code);
}

/* --- Buttons --- */
.btn,
.primary-button,
.proceed-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: 'Instrument Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
  text-decoration: none;
  border: none;
  min-width: 180px;
}

.btn-primary,
.primary-button,
.proceed-button {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border: 2px solid var(--accent-gold);
  white-space: nowrap;
  height: auto;
  max-height: 48px;
}

.btn-primary:hover,
.primary-button:hover,
.proceed-button:hover {
  background: #FFD54F;
  border-color: #FFD54F;
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(247, 182, 0, 0.25);
  color: var(--bg-primary);
}

.btn-primary:active,
.primary-button:active,
.proceed-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(247, 182, 0, 0.15);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-gold);
  border: 1px solid var(--border-accent);
}

.btn-secondary:hover {
  background: var(--accent-gold-glow);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.btn:disabled,
.btn-primary:disabled {
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  border-color: var(--border-subtle);
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
  box-shadow: none;
}

/* --- Status Indicators --- */
.status-box {
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  margin: var(--space-lg) auto;
  max-width: 450px;
  text-align: center;
  border: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.status-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.status-icon {
  font-size: 1.5rem;
  margin: 0;
}

.status-icon .fas {
  margin: 0;
}

.status-text {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.status-info {
  background: var(--bg-secondary);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

.status-info .status-icon { color: var(--accent-gold); }

.status-success {
  background: rgba(0, 230, 118, 0.05);
  border-color: rgba(0, 230, 118, 0.2);
  color: var(--status-success);
}

.status-error {
  background: rgba(255, 82, 82, 0.05);
  border-color: rgba(255, 82, 82, 0.2);
  color: var(--status-error);
}

.status-warning {
  background: rgba(255, 183, 77, 0.05);
  border-color: rgba(255, 183, 77, 0.2);
  color: var(--status-warning);
}

/* Status area (dx.php DDC) */
.status-area {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  text-align: center;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.loading-spinner i {
  font-size: 2rem;
  color: var(--accent-gold);
  margin-bottom: var(--space-sm);
}

.loading-spinner p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin: var(--space-sm) 0;
}

.completion-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.completion-status i {
  font-size: 2.5rem;
  color: var(--status-success);
  margin-bottom: var(--space-sm);
}

.completion-status p {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin: var(--space-sm) 0 var(--space-md);
}

/* Status section (cmpi_lookup) */
.status-section {
  text-align: center;
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.status-indicator i {
  color: var(--accent-gold);
  font-size: 1.5rem;
  margin: 0;
}

.status-indicator span {
  font-size: 1rem;
  color: var(--text-primary);
}

/* --- Compatibility Status --- */
.compatibility-status {
  margin: var(--space-lg) auto;
  max-width: 500px;
}

.compatibility-box {
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-md);
  border: 2px solid;
  text-align: center;
}

.compatibility-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.compatibility-icon { font-size: 2rem; }
.compatibility-text { font-size: 1.1rem; font-weight: 600; }

.compatibility-success {
  background: rgba(0, 230, 118, 0.05);
  border-color: rgba(0, 230, 118, 0.3);
  color: var(--status-success);
}

.compatibility-success .compatibility-icon { color: var(--status-success); }

.compatibility-failed {
  background: rgba(255, 82, 82, 0.05);
  border-color: rgba(255, 82, 82, 0.3);
  color: var(--status-error);
}

.compatibility-failed .compatibility-icon { color: var(--status-error); }

/* --- Action Sections --- */
.action-section {
  margin: var(--space-xl) 0;
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.action-button-container {
  display: flex;
  justify-content: center;
  margin: var(--space-lg) 0;
}

.reference-info {
  margin-top: var(--space-md);
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* --- Modals (Glass Morphism) --- */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 7, 20, 0.7);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: #ffffff;
  border: 1px solid var(--glass-border);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  display: none;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  scrollbar-width: thin;
  scrollbar-color: #ccc transparent;
}

.modal-content::-webkit-scrollbar {
  width: 4px;
}

.modal-content::-webkit-scrollbar-track {
  background: transparent;
}

.modal-content::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 2px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
  background: #999;
}

@media screen and (max-width: 767px) {
  .modal-content {
    width: 95%;
    max-height: 90vh;
  }
}

@media screen and (min-width: 768px) {
  .modal-content {
    width: 60%;
  }
}

.close-x {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: transparent;
  border: 1px solid var(--border-subtle);
  font-size: 18px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  float: none;
}

.close-x:hover {
  color: var(--status-error);
  border-color: var(--status-error);
  background: rgba(255, 82, 82, 0.1);
}

/* --- Warning Message --- */
.warning-message {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 183, 77, 0.1);
  color: var(--status-warning);
  border-bottom: 1px solid rgba(255, 183, 77, 0.2);
  padding: 10px 20px;
  text-align: center;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: slideDown 0.5s ease-out forwards, fadeOutUp 0.5s ease-in forwards 3s;
}

.warning-message i {
  margin-right: 8px;
  font-size: 1rem;
  color: var(--status-warning);
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

@keyframes fadeOutUp {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-100%); }
}

/* --- Cardinal Error --- */
.cardinal-error {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(255, 82, 82, 0.05);
  border: 1px solid rgba(255, 82, 82, 0.2);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.cardinal-error.hidden { display: none; }
.cardinal-error .error-icon { font-size: 1.5rem; color: var(--status-error); }
.cardinal-error .error-message { color: var(--status-error); font-weight: 500; flex: 1; }
.cardinal-error .error-help { color: var(--text-tertiary); font-size: 0.9rem; margin-top: var(--space-xs); }

/* --- Footer --- */
.footer,
footer.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-lg);
  text-align: center;
  margin-top: var(--space-2xl);
  color: var(--text-tertiary);
  font-size: 0.85rem;
  border-radius: 0;
}

.footer .fas {
  color: var(--accent-gold-dim);
}

/* --- Inline Code --- */
code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--accent-gold);
  font-weight: 500;
}

/* --- Icon Overrides --- */
.text-primary { color: var(--accent-gold) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-success { color: var(--status-success) !important; }
.text-danger { color: var(--status-error) !important; }
.text-warning { color: var(--accent-gold) !important; }
.text-info { color: var(--status-info) !important; }

.fas, .far, .fab, .fa-solid, .fa-regular {
  margin-right: 0.4rem;
}

.btn .fas, .btn .far, .btn .fab,
.proceed-button .fas, .primary-button .fas,
.proceed-button .far, .primary-button .far,
.proceed-button .fa-solid, .primary-button .fa-solid {
  margin: 0 0.4rem 0 0;
  color: inherit !important;
  font-size: inherit !important;
}

.status-icon .fas, .status-icon .far {
  margin-right: 0;
}

/* Spinner animation */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.fa-spin {
  animation: spin 1s linear infinite;
}

/* --- Navigation (old hamburger — hidden, step-bar replaces it) --- */
.menu-toggle,
#menu-toggle,
.side-menu,
#side-menu,
.menu-overlay,
#menu-overlay {
  display: none !important;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .container {
    padding: var(--space-md);
  }

  .section {
    padding: var(--space-lg);
    margin: var(--space-md) 0;
  }

  .header,
  .page-header {
    padding: var(--space-xl) var(--space-md) var(--space-lg);
  }

  .code-block-header {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: stretch;
  }

  .copy-btn {
    width: 100%;
    text-align: center;
  }

  .btn, .proceed-button, .primary-button {
    width: 100%;
    min-width: auto;
  }

  .step-bar {
    overflow-x: auto;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    -webkit-overflow-scrolling: touch;
  }

  .step-label {
    display: none;
  }

  .step-connector {
    width: 20px;
  }

  .action-section {
    padding: var(--space-lg);
  }

  .btn, .proceed-button, .primary-button {
    white-space: normal;
    max-height: none;
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    min-width: auto;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.6rem; }

  .step-bar {
    justify-content: center;
    gap: 0;
  }
}

/* --- Focus States (Accessibility) --- */
.btn:focus,
.copy-btn:focus,
.proceed-button:focus,
.primary-button:focus,
.step-item:focus {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}

/* --- Selection --- */
::selection {
  background: var(--accent-gold);
  color: var(--bg-primary);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

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

/* --- Body scroll lock (when modal is open) --- */
body.modal-open {
  overflow: hidden;
}

/* --- Utility --- */
.hidden { display: none; }
.loading { opacity: 0.6; pointer-events: none; }