/* ==========================================================================
   Components
   Reusable UI Components
   ========================================================================== */

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: var(--btn-primary-shadow);
}

.btn-primary:hover {
  background-color: var(--btn-primary-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 1px solid var(--btn-secondary-border);
}

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

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  padding: 8px 12px;
}

.btn-ghost:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);
}

.btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn-icon svg {
  width: 100%;
  height: 100%;
}

.btn-icon-only {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn-icon-only:hover {
  background-color: var(--color-bg-card);
  color: var(--color-text-primary);
  border-color: var(--color-text-muted);
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--font-size-base);
}

/* Nav Button - Dark in light mode, White in dark mode */
.btn-nav {
  background-color: var(--btn-nav-bg);
  color: var(--btn-nav-text);
  padding: 10px 20px;
  box-shadow: 0px 10px 15px -3px rgba(0, 0, 0, 0.1), 0px 4px 6px -4px rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-full);
}

[data-theme="dark"] .btn-nav {
  box-shadow: 0px 10px 15px -3px rgba(255, 255, 255, 0.05), 0px 4px 6px -4px rgba(255, 255, 255, 0.05);
}

.btn-nav:hover {
  background-color: var(--btn-nav-hover);
}

/* Hero Button - Always blue */
.btn-hero {
  background-color: #3B82F6;
  color: #FFFFFF;
  box-shadow: 0px 4px 8px -2px rgba(59, 130, 246, 0.15), 0px 2px 4px -2px rgba(59, 130, 246, 0.1);
}

.btn-hero:hover {
  background-color: #2563EB;
}

/* ========================================
   Cards
   ======================================== */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
}

/* Stat Card */
.card-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--spacing-lg);
  width: 100%;
  height: 114px;
  background-color: var(--stat-card-bg);
  border: 1px solid var(--stat-card-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--stat-card-shadow);
}

.card-stat-value {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--stat-card-value-color);
  line-height: 1;
}

.card-stat-label {
  font-size: var(--font-size-sm);
  color: var(--stat-card-label-color);
  margin-top: var(--spacing-sm);
}

/* Feature Card */
.card-feature {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--feature-card-bg);
  border: 1px solid var(--feature-card-border);
  border-radius: var(--radius-xl);
}

.card-feature .card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--feature-icon-bg);
  border-radius: var(--radius-lg);
  color: var(--feature-icon-color);
}

.card-feature .card-icon svg {
  width: 24px;
  height: 24px;
}

.card-feature .card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.card-feature .card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* Project Card */
.card-project {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.card-project .card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: var(--color-bg-tertiary);
}

.card-project .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card-project:hover .card-image img {
  transform: scale(1.05);
}

.card-project .card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.card-project .card-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.card-project .card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.card-project .card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.card-project .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

/* Skills Card */
.card-skills {
  padding: var(--spacing-xl);
}

.card-skills .card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.card-skills .card-header-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--icon-bg);
  border-radius: var(--radius-lg);
  color: var(--icon-color);
}

.card-skills .card-header-icon svg {
  width: 20px;
  height: 20px;
}

.card-skills .card-header-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

/* Featured Project Card */
.card-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  padding: var(--spacing-2xl);
  background: var(--color-accent-gradient);
  border: none;
}

.card-featured .card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--spacing-md);
}

.card-featured .card-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--terminal-bg);
}

/* ========================================
   Badges & Tags
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.badge-status {
  background-color: var(--badge-status-bg);
  border: 1px solid var(--badge-status-border);
  color: var(--badge-status-text);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--badge-status-dot);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.badge-label {
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--color-accent-primary);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  padding: 6px 12px;
  border-radius: var(--radius-md);
}

[data-theme="light"] .badge-label {
  background-color: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  background-color: var(--tag-bg);
  border: 1px solid var(--tag-border);
  color: var(--tag-text);
}

.tag-accent {
  background-color: var(--color-accent-bg);
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

/* ========================================
   Terminal Component
   ======================================== */
.terminal {
  background-color: var(--terminal-bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  font-family: var(--font-mono);
  box-shadow: var(--shadow-lg);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 12px 16px;
  background-color: var(--terminal-header-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot-red {
  background-color: var(--terminal-dot-red);
}

.terminal-dot-yellow {
  background-color: var(--terminal-dot-yellow);
}

.terminal-dot-green {
  background-color: var(--terminal-dot-green);
}

.terminal-title {
  font-size: var(--font-size-xs);
  color: var(--terminal-comment);
  flex: 1;
  text-align: center;
}

.terminal-body {
  padding: var(--spacing-md);
  min-height: 215px;
  position: relative;
  overflow: hidden;
}

.terminal-line {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--terminal-text);
  line-height: 16px;
}

.terminal-indent {
  padding-left: 8px;
}

.terminal-prompt {
  color: var(--terminal-success);
  user-select: none;
}

.terminal-command {
  color: var(--terminal-text);
}

.terminal-output {
  /* No default padding - use terminal-indent for indented lines */
}

.terminal-info {
  color: var(--terminal-accent);
}

.terminal-success {
  color: var(--terminal-success);
}

.terminal-warning {
  color: var(--terminal-warning);
}

.terminal-error {
  color: var(--terminal-error);
}

.terminal-comment {
  color: var(--terminal-comment);
}

.terminal-accent {
  color: var(--terminal-accent);
}

.terminal-text {
  color: var(--terminal-text);
}

.terminal-arrow {
  color: var(--terminal-accent);
}

.terminal-status {
  display: flex;
  justify-content: flex-end;
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-status-badge {
  font-size: var(--font-size-xs);
  color: var(--terminal-success);
  background-color: rgba(74, 222, 128, 0.1);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

/* ========================================
   Grids
   ======================================== */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-stats {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.grid-features {
  grid-template-columns: repeat(4, 1fr);
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
  margin-bottom: var(--spacing-2xl);
}

.section-header-centered {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

/* Plain text section label (About Me style) */
.section-label-text {
  display: block;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--spacing-md);
}

[data-theme="light"] .section-label-text {
  color: #2563EB;
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
}

.section-header-centered .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Skill Category
   ======================================== */
.skill-category {
  margin-bottom: var(--spacing-lg);
}

.skill-category:last-child {
  margin-bottom: 0;
}

.skill-category-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.skill-category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ========================================
   Interest List
   ======================================== */
.interest-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.interest-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.interest-item:hover {
  background-color: var(--color-bg-tertiary);
}

.interest-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--icon-bg);
  border-radius: var(--radius-md);
  color: var(--icon-color);
  flex-shrink: 0;
}

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

.interest-text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

/* ========================================
   Social Links
   ======================================== */
.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background-color: var(--color-bg-card);
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.social-link svg {
  width: 24px;
  height: 24px;
}

/* ========================================
   Divider
   ======================================== */
.divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-2xl) 0;
}

/* ========================================
   Link Arrow (View All links)
   ======================================== */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--link-arrow-color);
  transition: all var(--transition-base);
}

.link-arrow:hover {
  color: var(--link-arrow-hover);
  gap: var(--spacing-md);
}

.link-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

/* ========================================
   Skill Card (New Design)
   ======================================== */
.skill-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--skill-card-bg);
  border: 1px solid var(--skill-card-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.skill-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.skill-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.skill-card-icon.blue {
  background-color: var(--skill-icon-blue-bg);
  color: var(--skill-icon-blue-color);
}

.skill-card-icon.cyan {
  background-color: var(--skill-icon-cyan-bg);
  color: var(--skill-icon-cyan-color);
}

.skill-card-icon.white {
  background-color: var(--skill-icon-white-bg);
  color: var(--skill-icon-white-color);
}

.skill-card-icon svg {
  width: 24px;
  height: 24px;
}

.skill-card-content {
  flex: 1;
}

.skill-card-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs) 0;
}

.skill-card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* ========================================
   Article Card (New Design)
   ======================================== */
.article-card {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
  background-color: var(--article-card-bg);
  border: 1px solid var(--article-card-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.article-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.article-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.article-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
}

.article-tag.blue {
  background-color: var(--article-tag-blue-bg);
  border: 1px solid var(--article-tag-blue-border);
  color: var(--article-tag-blue-color);
}

.article-tag.cyan {
  background-color: var(--article-tag-cyan-bg);
  border: 1px solid var(--article-tag-cyan-border);
  color: var(--article-tag-cyan-color);
}

.article-tag.white {
  background-color: var(--article-tag-white-bg);
  border: 1px solid var(--article-tag-white-border);
  color: var(--article-tag-white-color);
}

.article-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-sm) 0;
  line-height: var(--line-height-snug);
}

.article-card-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ========================================
   Project Card (New Design)
   ======================================== */
.project-card {
  display: flex;
  flex-direction: column;
  background-color: var(--project-card-bg);
  border: 1px solid var(--project-card-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.project-card-image {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  background-color: var(--color-bg-tertiary);
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card-image img {
  transform: scale(1.05);
}

.project-card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.project-card-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.project-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.project-card-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

/* ========================================
   Contact CTA Section
   ======================================== */
.contact-cta {
  padding: var(--spacing-4xl) 0;
  background-color: var(--contact-cta-bg);
  text-align: center;
}

.contact-cta-container {
  max-width: 600px;
  margin: 0 auto;
}

.contact-cta-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.contact-cta-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.contact-cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* ========================================
   Section Backgrounds
   ======================================== */
.section-dark {
  background-color: var(--section-dark-bg);
}

.section-darker {
  background-color: var(--section-darker-bg);
}

.section-alt {
  background-color: var(--section-alt-bg);
}

/* ========================================
   Section with View All Header
   ======================================== */
.section-header-with-link {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-2xl);
}

.section-header-with-link .section-header-content {
  flex: 1;
}

.section-header-with-link .link-arrow {
  margin-top: var(--spacing-sm);
}