/* Card container for demo components */
.demo-card {
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
  width: 100%;
  height: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  transition: box-shadow 0.2s;
  padding: 0 1.5rem;
  overflow-y: auto;
}

.demo-card:hover {
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
}

.demo-card h3 {
  font-size: 1.3rem;
  color: #1a202c;
  margin-bottom: 1.25rem;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 600;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #edf2f7;
}

.demo-card label,
.demo-card b {
  color: #4a5568;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.demo-card label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.demo-card b {
  min-width: 120px;
}

.demo-card input[type="text"],
.demo-card input[type="number"],
.demo-card input[type="datetime-local"],
.demo-input,
.demo-card select {
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  margin-left: 0.5rem;
  font-size: 0.95rem;
  outline: none;
  transition: border 0.2s;
  flex: 1;
  min-width: 200px;
  max-width: 100%;
}

.demo-card input:focus {
  border-color: #4299e1;
  box-shadow: 0 0 0 1px rgba(66, 153, 225, 0.5);
}

.demo-card button {
  background: #f7fafc;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  color: #2d3748;
  padding: 0.5rem 1rem;
  margin-left: 0.5rem;
  font-size: 0.95rem;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.demo-card button:hover,
.demo-card button:focus {
  background: #4299e1;
  color: #fff;
  border-color: #4299e1;
}

.demo-card button.active {
  background: #4299e1 !important;
  color: #fff !important;
  border-color: #4299e1 !important;
}

.demo-card .demo-row {
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  width: 100%;
  flex-wrap: wrap;
}

.demo-card .demo-row:last-child {
  margin-bottom: 0;
}

.demo-card .demo-value {
  margin-left: 0.75rem;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  color: #3182ce;
  font-size: 0.95rem;
  word-break: break-word;
  max-width: 100%;
}

.demo-desc {
  margin-bottom: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.95rem;
  color: #4a5568;
  line-height: 1.5;
}

.demo-usage {
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

.demo-usage code {
  display: block;
  background: #f8fafc;
  padding: 10px 12px;
  border-radius: 4px;
  margin-top: 4px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  color: #2c5282;
  font-size: 0.92rem;
  border: 1px solid #e2e8f0;
  overflow-x: auto;
}

.demo-info-card {
  margin-top: 1.5rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 1.25rem;
  font-size: 0.95rem;
  color: #4a5568;
  line-height: 1.5;
  text-align: left;
}

.demo-info-card div {
  width: 100%;
  text-align: left;
}

.demo-info-card div strong {
  color: #2b6cb0;
  display: inline;
}

.demo-info-card .demo-description,
.demo-info-card .demo-usage {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
}

.demo-info-card .demo-description strong,
.demo-info-card .demo-usage strong {
  font-weight: 600;
  color: #2b6cb0;
  margin-bottom: 0.35rem;
}

.demo-info-card div code {
  display: inline;
  background: #edf2f7;
  color: #2c5282;
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 0.9rem;
  border: none;
  margin: 0;
}

.demo-info-card .demo-usage code {
  display: block;
  background: #edf2f7;
  color: #2c5282;
  padding: 10px 12px;
  border-radius: 4px;
  margin-top: 6px;
  font-size: 0.92rem;
  border: 1px solid #e2e8f0;
  overflow-x: auto;
  line-height: 1.4;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
}

.demo-controls {
  margin-bottom: 20px;
  padding: 10px;
  background-color: #f5f5f5;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.format-selector {
  display: flex;
  align-items: center;
  gap: 10px;
}

.format-select {
  padding: 5px;
  border-radius: 4px;
  border: 1px solid #ccc;
  font-size: 0.95rem;
  outline: none;
}

.demo-times-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .demo-times-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .demo-times-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .demo-time-item {
    padding: 8px;
  }
  
  .time-value {
    font-size: 1.1em;
    word-break: break-word;
  }
  
  .time-actual {
    font-size: 0.75em;
  }
}

.demo-time-item {
  background-color: #f9f9f9;
  border: 1px solid #eee;
  border-radius: 4px;
  padding: 10px;
}

.time-label {
  font-weight: bold;
  margin-bottom: 5px;
  color: #2b6cb0;
}

.time-value {
  color: #0066cc;
  font-size: 1.2em;
  margin-bottom: 5px;
}

.time-actual {
  font-size: 0.8em;
  color: #666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

pre {
  background: #f4f4f4;
  border: 1px solid #ddd;
  border-left: 3px solid #2b6cb0;
  color: #666;
  page-break-inside: avoid;
  font-family: monospace;
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 1.6em;
  max-width: 100%;
  overflow: auto;
  padding: 1em 1.5em;
  display: block;
  word-wrap: break-word;
}

.demo-select-btn {
  background: #f7fafc;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  color: #2d3748;
  padding: 0.5rem 1rem;
  margin-left: 0.5rem;
  font-size: 0.95rem;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  outline: none;
  box-shadow: none;
}

.demo-select-btn:hover,
.demo-select-btn:focus {
  background: #4299e1;
  color: #fff;
  border-color: #4299e1;
}

.demo-select-btn.active {
  background: #4299e1 !important;
  color: #fff !important;
  border-color: #4299e1 !important;
}

/* Configuration panel styles */
.demo-config-panel {
  background: #f8fafc;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid #e2e8f0;
}

.demo-config-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.demo-config-row:last-child {
  margin-bottom: 0;
}

.demo-config-row span {
  font-size: 0.95rem;
  font-weight: 500;
  color: #4a5568;
}

.demo-btn-group {
  display: flex;
  gap: 0.5rem;
}

/* Responsive styles for config panel */
@media (max-width: 768px) {
  .demo-config-panel {
    padding: 0.75rem;
  }
  
  .demo-config-row {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1rem;
  }
  
  .demo-config-row span {
    margin-bottom: 0.5rem;
  }
  
  .demo-btn-group {
    width: 100%;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .demo-select-btn {
    width: 100%;
    min-width: 0;
    padding: 0.5rem;
    font-size: 0.9rem;
    white-space: normal;
    height: auto;
    line-height: 1.2;
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  .demo-config-panel {
    padding: 0.5rem;
    margin-bottom: 1rem;
  }
  
  .demo-btn-group {
    gap: 0.25rem;
  }
  
  .demo-select-btn {
    width: 100%;
    min-width: 0;
    padding: 0.4rem;
    font-size: 0.85rem;
    white-space: normal;
    height: auto;
    line-height: 1.2;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-left: 0;
  }
  
  .demo-value {
    word-break: break-word;
  }
}

/* Options table styles */
.demo-options-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.demo-options-table th,
.demo-options-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid #e2e8f0;
}

.demo-options-table th {
  background-color: #f1f5f9;
  font-weight: 600;
  color: #334155;
}

.demo-options-table tr:nth-child(even) {
  background-color: #f8fafc;
}

.demo-options-table code {
  background-color: #edf2f7;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.9em;
  color: #3182ce;
}

.demo-options {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

.demo-options strong {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
  color: #2d3748;
}

/* Make table responsive on mobile */
@media (max-width: 640px) {
  .demo-options-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .demo-options-table th,
  .demo-options-table td {
    padding: 0.6rem 0.8rem;
    font-size: 0.9rem;
  }
}

.demo-input-wide {
  width: 320px;
  padding: 0.4rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid #e0e3ea;
  font-size: 1rem;
}

.demo-btn-margin {
  margin-left: 8px;
}

.demo-btn-bold {
  font-weight: bold;
}

.demo-error-border {
  border-color: #ff6b6b !important;
}

.demo-error-color {
  color: #ff6b6b !important;
}

/* === Dart Docs-Inspired Playground Sidebar === */
.playground-sidebar {
  background: #fff;
  color: #222;
  border-right: 1px solid #e5e7eb;
  box-shadow: 2px 0 8px 0 rgba(60,72,90,0.03);
  min-width: 230px;
  max-width: 260px;
  display: flex;
  flex-direction: column;
  padding: 0;
}

.playground-sidebar-header {
  font-weight: 700;
  font-size: 1.05rem;
  padding: 1.2rem 1.25rem 1rem 1.25rem;
  letter-spacing: 0.08em;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
  color: #1976d2;
  background: #f8fafc;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.playground-sidebar-icon {
  margin-right: 0.6rem;
  font-size: 1.25rem;
}

.playground-sidebar-nav {
  flex: 1;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
}

.playground-nav-items {
  padding: 0.5rem 0.25rem 1rem 0.25rem;
}

.playground-nav-item {
  padding: 0.55rem 1.15rem;
  margin: 0.15rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  font-size: 1rem;
  color: #23272f;
  background: none;
  border: none;
  transition: background 0.15s, color 0.15s;
  display: block;
  outline: none;
  position: relative;
}

.playground-nav-item.selected,
.playground-nav-item:hover,
.playground-nav-item.hovered {
  background: #e3f0fc;
  color: #1976d2;
}

.playground-nav-item.selected {
  font-weight: 700;
  box-shadow: 0 2px 8px 0 rgba(25,118,210,0.05);
}

.playground-nav-arrow {
  position: sticky;
  z-index: 2;
  text-align: center;
  pointer-events: none;
  font-size: 1.1rem;
  color: #bdbdbd;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}

.playground-sidebar-footer {
  padding: 0.85rem 1.25rem;
  font-size: 0.85rem;
  color: #757575;
  border-top: 1px solid #e5e7eb;
  background: #f8fafc;
  text-align: left;
}

.playground-root {
  display: flex;
  width: 100vw;
  height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: #f8fafc;
}

.playground-main {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.playground-main-content {
  flex: 1;
  display: flex;
  width: 100%;
  height: 100%;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 2.5rem 2.5rem 2.5rem 0.5rem;
  box-sizing: border-box;
}

/* Hamburger menu button */
.playground-menu-toggle {
  display: none;
  position: absolute;
  top: 25px;
  left: 20px;
  z-index: 1000;
  background: #ffffff;
  color: #1976d2;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  transition: left 0.3s ease;
  width: 34px;
  height: 34px;
  padding: 5px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
  outline: none;
}

.playground-menu-toggle:hover {
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  border-color: #d0d5dd;
}

.playground-menu-toggle:focus {
  outline: none;
  border-color: #e5e7eb;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.playground-menu-toggle:focus-visible {
  outline: none;
}

/* Hamburger icon */
.hamburger-icon {
  display: block;
  position: relative;
  width: 22px;
  height: 2px;
  background: #1976d2;
  margin: 10px auto;
  transition: background-color 0.2s;
}

.hamburger-icon:before,
.hamburger-icon:after {
  content: '';
  position: absolute;
  width: 22px;
  height: 2px;
  background: #1976d2;
  left: 0;
  transition: transform 0.2s;
}

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

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

/* Animate hamburger icon when menu is open */
.playground-root .playground-menu-toggle .hamburger-icon {
  transition: background-color 0.2s ease;
}

.playground-root.menu-open .playground-menu-toggle .hamburger-icon {
  background: transparent;
}

.playground-root.menu-open .playground-menu-toggle .hamburger-icon:before {
  transform: rotate(45deg) translate(4px, 4px);
  transition: transform 0.2s ease;
}

.playground-root.menu-open .playground-menu-toggle .hamburger-icon:after {
  transform: rotate(-45deg) translate(4px, -4px);
  transition: transform 0.2s ease;
}

/* Menu open state - change button position */
.playground-root.menu-open .playground-menu-toggle {
  left: 8px;
}

/* Responsive styles for tablets and mobile */
@media (max-width: 768px) {
  .playground-menu-toggle {
    display: block;
  }
  
  .playground-sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    bottom: 0;
    z-index: 999;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
  }
  
  .playground-sidebar.menu-open {
    left: 0;
  }
  
  .playground-main {
    width: 100%;
    margin-left: 0;
  }
  
  .playground-main-content {
    padding: 2.5rem 1.5rem;
    margin-top: 40px;
  }
}

/* Custom formatter styles */
.demo-format-help {
  margin-top: 0.5rem;
  width: 100%;
  color: #718096;
  font-size: 0.85rem;
}

.demo-input {
  width: 100%;
  padding: 0.5rem;
  font-family: monospace;
}