/* PersonaSpec Components */

/* ========================================
   Buttons
   ======================================== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}

.button-primary {
  background: var(--accent-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

.button-primary:hover {
  background: var(--accent-primary-hover);
  color: white;
  box-shadow: var(--shadow-glow-hover);
  transform: translateY(-2px);
}

.button-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}

.button-secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

/* ========================================
   Links
   ======================================== */

.link {
  color: var(--accent-primary);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-base);
}

.link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-slow);
}

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

.link:hover::after {
  width: 100%;
}

.link-arrow::after {
  content: ' \2192';
  display: inline;
  position: static;
  width: auto;
  height: auto;
  background: none;
}

/* ========================================
   Cards
   ======================================== */

.card {
  background: rgba(22, 25, 34, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  backdrop-filter: blur(10px);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

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

.card__meta {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ========================================
   Persona Cards
   ======================================== */

.persona-card {
  text-align: center;
}

.persona-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-xl);
  color: white;
  margin: 0 auto var(--space-4);
}

.persona-avatar--visitor {
  background: linear-gradient(135deg, #5CFFB4 0%, #5CB4FF 100%);
}

.persona-avatar--researcher {
  background: linear-gradient(135deg, #7C5CFF 0%, #5C7CFF 100%);
}

.persona-avatar--auditor {
  background: linear-gradient(135deg, #FFC75C 0%, #FF7C5C 100%);
}

.persona-avatar--designer {
  background: linear-gradient(135deg, #B45CFF 0%, #7C5CFF 100%);
}

.persona-avatar--browser {
  background: linear-gradient(135deg, #FF7C5C 0%, #FF5C7C 100%);
}

.persona-avatar--journalist {
  background: linear-gradient(135deg, #5C7CFF 0%, #5CFFB4 100%);
}

.persona-name {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.persona-role {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.persona-quote {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  padding: 0 var(--space-2);
  font-size: var(--text-sm);
}

.persona-traits {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

.trait {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

/* ========================================
   Observation Badges
   ======================================== */

.observation-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
}

.observation-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.observation-badge--success {
  background: rgba(var(--accent-success-rgb), 0.15);
  color: var(--accent-success);
}

.observation-badge--success::before {
  background: var(--accent-success);
}

.observation-badge--note {
  background: rgba(var(--accent-primary-rgb), 0.15);
  color: var(--accent-primary);
}

.observation-badge--note::before {
  background: var(--accent-primary);
}

.observation-badge--confusion {
  background: rgba(var(--accent-warning-rgb), 0.15);
  color: var(--accent-warning);
}

.observation-badge--confusion::before {
  background: var(--accent-warning);
}

.observation-badge--frustration {
  background: rgba(var(--accent-error-rgb), 0.15);
  color: var(--accent-error);
}

.observation-badge--frustration::before {
  background: var(--accent-error);
}

/* ========================================
   Observation Items
   ======================================== */

.observation-item {
  padding: var(--space-5);
  border-left: 3px solid var(--border-subtle);
  background: var(--bg-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.observation-item--success {
  border-left-color: var(--accent-success);
}

.observation-item--note {
  border-left-color: var(--accent-primary);
}

.observation-item--confusion {
  border-left-color: var(--accent-warning);
}

.observation-item--frustration {
  border-left-color: var(--accent-error);
}

.observation-item__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.observation-item__title {
  font-weight: 600;
}

.observation-item__example {
  font-style: italic;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* ========================================
   Code Blocks
   ======================================== */

.code-block {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
}

.code-block__filename {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.code-block__language {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-block__content {
  padding: var(--space-4);
  overflow-x: auto;
}

.code-block__content pre {
  margin: 0;
}

.code-block__content code {
  background: none;
  padding: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* Syntax Highlighting */
.token-keyword { color: var(--accent-primary); }
.token-string { color: var(--accent-success); }
.token-comment { color: var(--text-muted); font-style: italic; }
.token-function { color: var(--accent-secondary); }
.token-number { color: var(--accent-warning); }

/* Code Block Copy Button */
.code-block__copy {
  background: var(--bg-hover);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  cursor: pointer;
  transition: all var(--transition-base);
}

.code-block__copy:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

/* ========================================
   Steps
   ======================================== */

.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* Top row: circles and connectors */
.steps__indicators {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--accent-primary);
  flex-shrink: 0;
}

.step-connector {
  width: 120px;
  height: 2px;
  background: var(--accent-primary);
  flex-shrink: 0;
}

/* Bottom row: content cards */
.steps__content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.step {
  text-align: center;
}

.step__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.step__description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .steps__indicators {
    flex-direction: column;
    gap: 0;
  }

  .step-connector {
    width: 2px;
    height: 32px;
    background: var(--accent-primary);
  }

  .steps__content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ========================================
   Comparison
   ======================================== */

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: stretch;
}

.comparison-col {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
}

.comparison-col--old {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  opacity: 0.8;
}

.comparison-col--new {
  background: rgba(var(--accent-primary-rgb), 0.08);
  border: 1px solid var(--accent-primary);
  box-shadow: 0 0 30px rgba(var(--accent-primary-rgb), 0.1);
}

.comparison-col__header {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-col--old .comparison-col__header {
  color: var(--text-secondary);
}

.comparison-col--new .comparison-col__header {
  color: var(--accent-primary);
}

.comparison-col__list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.comparison-col__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
}

.comparison-col__list li::before {
  content: '\2713';
  color: var(--accent-success);
  font-weight: bold;
  flex-shrink: 0;
}

.comparison-col--old .comparison-col__list li::before {
  color: var(--text-muted);
}

.comparison-col__footer {
  font-style: italic;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.comparison-col--new .comparison-col__footer {
  color: var(--accent-primary);
  font-style: normal;
  font-weight: 500;
}

@media (max-width: 768px) {
  .comparison {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Navigation
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav--scrolled {
  background: rgba(13, 15, 20, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--border-subtle);
}

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

.nav__logo {
  font-size: var(--text-xl);
  font-weight: 700;
  text-decoration: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.nav__links a:hover {
  color: var(--text-primary);
}

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

.nav__toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
}

.nav__toggle-icon::before {
  top: -7px;
}

.nav__toggle-icon::after {
  bottom: -7px;
}

@media (max-width: 768px) {
  .nav__toggle {
    display: block;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-4);
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__links li {
    width: 100%;
  }

  .nav__links a {
    display: block;
    padding: var(--space-3) 0;
  }

  .nav__cta {
    display: none;
  }
}

/* ========================================
   Footer
   ======================================== */

.footer {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--border-subtle);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.footer__tagline {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

.footer__license {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.footer__nav-title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.footer__nav-list {
  list-style: none;
  padding: 0;
}

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

.footer__nav-list a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__inner {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Dividers
   ======================================== */

.glow-divider {
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--accent-primary) 50%,
    transparent 100%
  );
  box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.5);
  margin: var(--space-16) 0;
}