/* Mixtape Library Template - Main Stylesheet */
/* Uses CSS custom properties for easy theme customization */

/* ========================================
   CSS Variables (Customizable via settings.yml)
   ======================================== */
:root {
  /* Colors - overridden by inline styles from Jekyll */
  --color-primary: #e63946;
  --color-secondary: #457b9d;
  --color-background: #f1faee;
  --color-text: #1d3557;
  --color-accent: #a8dadc;
  
  /* Additional color shades */
  --color-primary-dark: #d62828;
  --color-primary-light: #f18f97;
  --color-secondary-dark: #2b5876;
  --color-gray-light: #e9ecef;
  --color-gray-medium: #adb5bd;
  --color-gray-dark: #495057;
  --color-white: #ffffff;
  --color-black: #000000;
  
  /* Typography */
  --font-heading: 'Courier New', monospace;
  --font-body: 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-small: 0.875rem;
  --font-size-large: 1.125rem;
  --line-height-base: 1.6;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --border-radius: 8px;
  --border-radius-small: 4px;
  --transition-speed: 0.3s;
  
  /* Shadows */
  --shadow-small: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.25);
}

/* ========================================
   Reset & Base Styles
   ======================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

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

/* ========================================
   Layout
   ======================================== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

main {
  min-height: calc(100vh - 200px);
  padding: var(--spacing-2xl) 0;
}

/* ========================================
   Navigation
   ======================================== */
.main-nav {
  background-color: var(--color-white);
  box-shadow: var(--shadow-small);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.main-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-logo:hover {
  text-decoration: none;
  color: var(--color-primary-dark);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-small);
  transition: background-color var(--transition-speed);
}

.nav-links a:hover {
  background-color: var(--color-gray-light);
  text-decoration: none;
}

/* ========================================
   Header Section
   ======================================== */
.header-section {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.header-section h1 {
  margin-bottom: var(--spacing-sm);
}

.bio {
  color: var(--color-gray-dark);
  font-size: var(--font-size-large);
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.request-status {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-small);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.request-status-open {
  background-color: #e8f7ee;
  color: #1f7a3f;
}

.request-status-closed {
  background-color: #fbeaea;
  color: #a12626;
}

.tape-count {
  color: var(--color-gray-medium);
  font-size: var(--font-size-small);
  font-style: italic;
}

/* ========================================
   Header Controls Layout (Two Column)
   ======================================== */
.header-controls {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
  margin-top: var(--spacing-2xl);
}

.header-left {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.header-right {
  width: 100%;
}

/* ========================================
   View Controls
   ======================================== */
.view-controls {
  display: flex;
  gap: var(--spacing-md);
}

.tag-filter-controls {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
}

.tag-filter-details {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
}

.tag-filter-details summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: bold;
  color: var(--color-text);
}

.tag-filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.tag-filter-option {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-gray-light);
  border-radius: 999px;
  background-color: var(--color-background);
  font-size: var(--font-size-small);
  cursor: pointer;
}

.tag-filter-checkbox {
  width: 16px;
  height: 16px;
}

.tag-clear-btn {
  margin-top: var(--spacing-md);
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--color-secondary);
  border-radius: var(--border-radius-small);
  background-color: var(--color-white);
  color: var(--color-secondary);
  font-size: var(--font-size-small);
  cursor: pointer;
}

.tag-clear-btn:hover {
  background-color: var(--color-gray-light);
}

.view-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid var(--color-primary);
  background-color: var(--color-white);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-speed);
}

.view-btn:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-dark);
}

.view-btn.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ========================================
   Catalog View (Grid)
   ======================================== */
.catalog-view {
  display: none;
}

.catalog-view.active {
  display: block;
}

.tape-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.tape-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-small);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.tape-image-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.tape-image-wrapper {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background-color: var(--color-gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tape-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tape-image-grid {
  transition: transform var(--transition-speed);
}

.tape-image-grid.is-landscape-rotated {
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  object-fit: contain;
  transform-origin: center center;
}

.tape-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gray-light) 0%, var(--color-gray-medium) 100%);
  color: var(--color-gray-dark);
  font-family: var(--font-heading);
}

.tape-hover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  color: var(--color-white);
  padding: var(--spacing-lg);
  opacity: 0;
  transition: opacity var(--transition-speed);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
}

.tape-image-wrapper:hover .tape-hover-overlay {
  opacity: 1;
}

.tape-image-link:hover .tape-hover-overlay {
  opacity: 1;
}

.tape-hover-overlay h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.tape-hover-overlay .tape-author {
  color: var(--color-accent);
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-md);
}

.tape-hover-overlay .tape-description {
  font-size: var(--font-size-small);
  line-height: 1.4;
}

.tape-card-footer {
  padding: var(--spacing-md);
}

.tape-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.tape-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-small);
  color: var(--color-gray-dark);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-light);
}

.tape-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
}

.tape-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.tape-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background-color: var(--color-gray-light);
  color: var(--color-gray-dark);
  font-size: 0.75rem;
  line-height: 1.4;
}

.filter-no-results {
  text-align: center;
  color: var(--color-gray-dark);
  font-style: italic;
  margin: var(--spacing-xl) 0;
}

.is-hidden {
  display: none !important;
}

.btn-details {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-radius: var(--border-radius-small);
  font-size: var(--font-size-small);
  transition: background-color var(--transition-speed);
}

.btn-details:hover {
  background-color: var(--color-secondary-dark);
  text-decoration: none;
}

.request-checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  font-size: var(--font-size-small);
}

.request-checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.not-requestable {
  font-size: var(--font-size-small);
  color: var(--color-gray-medium);
  font-style: italic;
}

/* ========================================
   List View
   ======================================== */
.list-view {
  display: none;
}

.list-view.active {
  display: block;
}

.tape-list-item {
  display: grid;
  grid-template-columns: minmax(280px, 32%) minmax(0, 1fr) minmax(220px, 260px);
  gap: var(--spacing-xl);
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-small);
  transition: box-shadow var(--transition-speed);
}

.tape-list-item:hover {
  box-shadow: var(--shadow-medium);
}

.tape-list-image {
  display: flex;
  align-items: flex-start;
}

.tape-list-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--border-radius-small);
  box-shadow: var(--shadow-small);
}

.tape-placeholder-list {
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gray-light) 0%, var(--color-gray-medium) 100%);
  color: var(--color-gray-dark);
  font-family: var(--font-heading);
  border-radius: var(--border-radius-small);
}

.tape-list-metadata h3 {
  margin-bottom: var(--spacing-sm);
}

.tape-list-metadata h3 a {
  color: var(--color-text);
}

.tape-list-metadata p {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-small);
}

.tape-list-metadata strong {
  color: var(--color-primary);
}

.tape-list-actions {
  margin-top: var(--spacing-md);
}

.tape-list-tracklist h4 {
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.tracklist-subsection {
  margin-bottom: var(--spacing-lg);
}

.tracklist-subsection:last-child {
  margin-bottom: 0;
}

.tracklist-subsection h3,
.tracklist-subsection h5 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.tracklist-subsection.compact h5 {
  font-size: var(--font-size-small);
}

.tape-list-tracklist ol {
  padding-left: var(--spacing-lg);
  font-size: var(--font-size-small);
  line-height: 1.8;
}

.tape-list-tracklist li {
  margin-bottom: var(--spacing-xs);
}

/* ========================================
   Request Section
   ======================================== */
.request-section {
  text-align: center;
  margin: var(--spacing-3xl) 0;
  padding: var(--spacing-2xl);
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

.btn-primary {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-speed);
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  text-decoration: none;
}

.btn-large {
  font-size: var(--font-size-large);
  padding: var(--spacing-lg) var(--spacing-2xl);
}

.btn-secondary {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--color-secondary);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-speed);
  text-decoration: none;
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  text-decoration: none;
}

#request-count {
  display: inline-block;
  min-width: 24px;
  padding: 2px 8px;
  background-color: var(--color-white);
  color: var(--color-primary);
  border-radius: 12px;
  font-weight: bold;
}

/* ========================================
   Tape Detail Page
   ======================================== */
.tape-detail {
  max-width: 1000px;
  margin: 0 auto;
}

.tape-detail-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.back-link {
  display: inline-block;
  color: var(--color-secondary);
  font-weight: 500;
}

.tape-nav-link {
  color: var(--color-secondary);
  font-weight: 500;
}

.tape-nav-link:last-child {
  justify-self: end;
}

.tape-nav-placeholder {
  min-height: 1px;
}

.tape-detail-content {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.tape-detail-images {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.tape-image-large img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

.tape-image-native {
  display: block;
  max-width: 100%;
  height: auto;
}

.image-caption {
  text-align: center;
  color: var(--color-gray-medium);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-sm);
  font-style: italic;
}

.tape-placeholder-large {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gray-light) 0%, var(--color-gray-medium) 100%);
  color: var(--color-gray-dark);
  font-family: var(--font-heading);
  font-size: var(--font-size-large);
  border-radius: var(--border-radius);
}

.tape-detail-info h1 {
  margin-bottom: var(--spacing-lg);
}

.tape-metadata {
  background-color: var(--color-gray-light);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-xl);
}

.metadata-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-white);
}

.metadata-item:last-child {
  border-bottom: none;
}

.metadata-label {
  font-weight: bold;
  color: var(--color-gray-dark);
}

.metadata-value {
  color: var(--color-text);
}

.status-available {
  color: var(--color-primary);
  font-weight: bold;
}

.status-unavailable {
  color: var(--color-gray-medium);
  font-style: italic;
}

.tape-description {
  margin-bottom: var(--spacing-xl);
}

.tape-request-action {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.request-checkbox-label.large {
  font-size: var(--font-size-base);
  padding: var(--spacing-md);
  background-color: var(--color-gray-light);
  border-radius: var(--border-radius);
}

.tape-tracklist-section {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-small);
}

.tracklist {
  padding-left: var(--spacing-xl);
  line-height: 2;
}

.tracklist li {
  margin-bottom: var(--spacing-sm);
}

/* ========================================
   Request Page
   ======================================== */
.request-page h1 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.request-page .request-status {
  display: block;
  width: fit-content;
  margin: 0 auto var(--spacing-xl);
}

.request-intro {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-small);
  margin-bottom: var(--spacing-2xl);
}

.policy-guidelines,
.policy-charges {
  margin-top: var(--spacing-lg);
}

.policy-guidelines ul,
.policy-charges ul {
  padding-left: var(--spacing-xl);
  margin-top: var(--spacing-sm);
}

.policy-guidelines li,
.policy-charges li {
  margin-bottom: var(--spacing-sm);
}

.creator-preferences {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-small);
  margin-bottom: var(--spacing-2xl);
}

.creator-preferences h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.preferences-intro {
  margin-bottom: var(--spacing-lg);
  color: var(--color-gray-dark);
}

.preferences-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.preferences-list.preferences-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.preference-item h4 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

.preference-item ul {
  padding-left: var(--spacing-lg);
  list-style-type: disc;
}

.preference-item li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

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

.request-form-container {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

.form-section {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 2px solid var(--color-gray-light);
}

.form-section:last-of-type {
  border-bottom: none;
}

.form-section h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.section-description {
  color: var(--color-gray-dark);
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-lg);
}

.selected-tapes-list {
  min-height: 60px;
}

.empty-message {
  color: var(--color-gray-medium);
  font-style: italic;
  text-align: center;
  padding: var(--spacing-lg);
}

.selected-tape-item {
  background-color: var(--color-gray-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-small);
  margin-bottom: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.tape-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tape-options-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding-top: var(--spacing-sm);
}

.option-group {
  display: flex;
  flex-direction: column;
}

.option-group label {
  font-size: var(--font-size-small);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-gray-dark);
}

.option-group select {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-gray-medium);
  border-radius: var(--border-radius-small);
  background-color: var(--color-white);
  font-size: var(--font-size-small);
}

.selected-tape-item strong {
  color: var(--color-primary);
}

.remove-tape {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 1.25rem;
  padding: var(--spacing-xs);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-row .form-group {
  margin-bottom: 0;
}

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

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray-light);
  border-radius: var(--border-radius-small);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-speed);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.checkbox-group.checkbox-columns {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-sm) var(--spacing-lg);
}

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

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-small);
  transition: background-color var(--transition-speed);
}

.checkbox-label:hover,
.radio-label:hover {
  background-color: var(--color-gray-light);
}

.radio-label.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-actions {
  text-align: center;
  margin-top: var(--spacing-2xl);
}

/* ========================================
   Output Section
   ======================================== */
.output-section {
  margin-top: var(--spacing-3xl);
  padding: var(--spacing-2xl);
  background-color: var(--color-accent);
  border-radius: var(--border-radius);
}

.output-section h3 {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.output-instructions {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-gray-dark);
}

.output-container {
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  max-height: 500px;
  overflow-y: auto;
}

.output-text {
  font-family: monospace;
  font-size: var(--font-size-small);
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--color-text);
}

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

/* ========================================
   Footer
   ======================================== */
.main-footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-gray-light);
  padding: var(--spacing-xl) 0;
  text-align: center;
  color: var(--color-gray-dark);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-3xl);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
  .tape-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
  }
  
  .tape-list-item {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .tape-list-image img {
    max-width: min(100%, 320px);
    margin: 0 auto;
  }
  
  .tape-detail-content {
    grid-template-columns: 1fr;
  }

  .tape-detail-nav {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .tape-nav-link:last-child {
    justify-self: start;
  }
  
  .nav-links {
    gap: var(--spacing-sm);
  }

  .tag-filter-options {
    flex-direction: column;
    align-items: flex-start;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .output-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .tape-grid {
    grid-template-columns: 1fr;
  }
  
  .view-controls {
    flex-direction: column;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
}