/**
 * WordPress Design Tokens
 * Extracted from: gutenberg/packages/base-styles/
 */

:root {
  /* Colors */
  --wp-black: #000;
  --wp-gray-900: #1e1e1e;
  --wp-gray-800: #2f2f2f;
  --wp-gray-700: #757575;
  --wp-gray-600: #949494;
  --wp-gray-400: #ccc;
  --wp-gray-300: #ddd;
  --wp-gray-200: #e0e0e0;
  --wp-gray-100: #f0f0f0;
  --wp-white: #fff;

  /* Admin theme color */
  --wp-admin-theme-color: #3858e9;
  --wp-admin-theme-color-darker-10: #2145e6;
  --wp-admin-theme-color-darker-20: #1f3fcc;

  /* Typography */
  --wp-font-size-x-small: 11px;
  --wp-font-size-small: 12px;
  --wp-font-size-medium: 13px;
  --wp-font-size-large: 15px;
  --wp-font-weight-regular: 400;
  --wp-font-weight-medium: 499;

  /* Spacing (Grid System) - Base unit: 8px */
  --wp-grid-unit: 8px;
  --wp-grid-unit-05: 4px;
  --wp-grid-unit-10: 8px;
  --wp-grid-unit-15: 12px;
  --wp-grid-unit-20: 16px;
  --wp-grid-unit-30: 24px;
  --wp-grid-unit-40: 32px;
  --wp-grid-unit-50: 40px;
  --wp-grid-unit-60: 48px;

  /* Border Radius */
  --wp-radius-x-small: 1px;
  --wp-radius-small: 2px;
  --wp-radius-medium: 4px;
  --wp-radius-large: 8px;
  --wp-radius-full: 9999px;

  /* Elevation (Shadows) */
  --wp-elevation-x-small: 0 1px 1px rgba(0, 0, 0, 0.03),
                          0 1px 2px rgba(0, 0, 0, 0.02),
                          0 3px 3px rgba(0, 0, 0, 0.02),
                          0 4px 4px rgba(0, 0, 0, 0.01);
  --wp-elevation-small: 0 1px 2px rgba(0, 0, 0, 0.05),
                        0 2px 3px rgba(0, 0, 0, 0.04),
                        0 6px 6px rgba(0, 0, 0, 0.03),
                        0 8px 8px rgba(0, 0, 0, 0.02);
  --wp-elevation-medium: 0 2px 3px rgba(0, 0, 0, 0.05),
                         0 4px 5px rgba(0, 0, 0, 0.04),
                         0 12px 12px rgba(0, 0, 0, 0.03),
                         0 16px 16px rgba(0, 0, 0, 0.02);

  /* Dimensions */
  --wp-icon-size: 24px;
  --wp-button-size: 36px;
  --wp-button-size-compact: 32px;
  --wp-header-height: 64px;
  --wp-sidebar-width: 280px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  font-size: var(--wp-font-size-medium);
  line-height: 1.4;
  color: var(--wp-gray-900);
  background: var(--wp-gray-100);
  overflow: hidden;
  height: 100vh;
}

/* ===== HEADER BAR ===== */
.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--wp-header-height);
  padding: 0 var(--wp-grid-unit-10);
  padding-left: 0;
  background: var(--wp-white);
  border-bottom: 1px solid var(--wp-gray-300);
  position: relative;
  z-index: 100;
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
  gap: var(--wp-grid-unit-05);
}

.header-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

/* Site Icon */
.site-icon {
  width: var(--wp-header-height);
  height: var(--wp-header-height);
  border-radius: 0;
  overflow: hidden;
  margin-right: var(--wp-grid-unit-15);
  flex-shrink: 0;
}

.site-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Base Button Styles */
.components-button {
  display: inline-flex;
  text-decoration: none;
  font-family: inherit;
  font-size: var(--wp-font-size-medium);
  font-weight: var(--wp-font-weight-medium);
  margin: 0;
  border: 0;
  cursor: pointer;
  appearance: none;
  background: none;
  transition: box-shadow 0.1s linear;
  height: var(--wp-button-size);
  align-items: center;
  box-sizing: border-box;
  padding: 4px 12px;
  border-radius: var(--wp-radius-small);
  color: var(--wp-gray-900);
}

.components-button:hover:not(:disabled) {
  color: var(--wp-admin-theme-color);
}

.components-button:focus:not(:active) {
  box-shadow: 0 0 0 2px var(--wp-admin-theme-color);
  outline: 3px solid transparent;
}

/* Compact size */
.components-button.is-compact {
  height: var(--wp-button-size-compact);
}

.components-button.is-compact.has-icon:not(.has-text) {
  padding: 0;
  min-width: var(--wp-button-size-compact);
  justify-content: center;
}

/* Icon button */
.components-button.has-icon {
  padding: 6px;
  min-width: var(--wp-button-size);
  justify-content: center;
}

.components-button svg {
  fill: currentColor;
  outline: none;
  flex-shrink: 0;
  width: var(--wp-icon-size);
  height: var(--wp-icon-size);
}

.components-button:disabled {
  cursor: default;
  color: var(--wp-gray-600);
}

.components-button:disabled:hover {
  color: var(--wp-gray-600);
}

/* Primary button */
.components-button.is-primary {
  white-space: nowrap;
  background: var(--wp-admin-theme-color);
  color: var(--wp-white);
  text-decoration: none;
  text-shadow: none;
  outline: 1px solid transparent;
}

.components-button.is-primary:hover:not(:disabled) {
  background: var(--wp-admin-theme-color-darker-10);
  color: var(--wp-white);
}

.components-button.is-primary:focus:not(:active) {
  box-shadow: inset 0 0 0 1px var(--wp-white), 0 0 0 2px var(--wp-admin-theme-color);
}

/* ===== DOCUMENT BAR ===== */
.editor-document-bar {
  display: flex;
  align-items: center;
  height: var(--wp-button-size-compact);
  justify-content: space-between;
  min-width: 0;
  background: var(--wp-gray-100);
  border-radius: var(--wp-grid-unit-05);
  width: 450px;
  max-width: 450px;
}

.editor-document-bar:hover {
  background-color: var(--wp-gray-200);
}

.editor-document-bar .components-button {
  border-radius: var(--wp-grid-unit-05);
  transition: all 0.1s ease-out;
}

.editor-document-bar .components-button:hover {
  background: var(--wp-gray-200);
}

.editor-document-bar__command {
  flex-grow: 1;
  overflow: hidden;
  height: 100%;
  padding: 0 var(--wp-grid-unit-15);
}

.editor-document-bar__title {
  overflow: hidden;
  color: var(--wp-gray-900);
  margin: 0 auto;
  max-width: 70%;
  padding-left: var(--wp-grid-unit-30);
}

.editor-document-bar__title h1 {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 400;
  font-size: var(--wp-font-size-medium);
  white-space: nowrap;
  overflow: hidden;
}

.editor-document-bar__post-title {
  color: currentColor;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.editor-document-bar__post-type-label {
  flex: 0;
  color: var(--wp-gray-800);
  padding-left: var(--wp-grid-unit-05);
}

.editor-document-bar__shortcut {
  color: var(--wp-gray-700);
  min-width: var(--wp-grid-unit-30);
  font-size: var(--wp-font-size-small);
  font-weight: var(--wp-font-weight-regular);
}

/* ===== CANVAS AREA ===== */
.editor-canvas-wrapper {
  display: flex;
  flex: 1;
  height: calc(100vh - var(--wp-header-height));
  overflow: hidden;
}

.editor-canvas {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: auto;
  background: var(--wp-white);
}

.page-frame {
  flex: 1;
  width: 100%;
}

.page-content {
  padding: 60px 100px;
  max-width: 840px;
  margin: 0 auto;
}

.page-header {
  margin-bottom: 48px;
}

.page-title {
  font-size: 48px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--wp-gray-900);
  margin-bottom: 16px;
}

.page-meta {
  font-size: 14px;
  color: var(--wp-gray-600);
}

.page-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--wp-gray-800);
}

.page-body p {
  margin-bottom: 24px;
}

.hero-image {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--wp-radius-large);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  font-weight: 500;
}

.block-placeholder {
  border: 2px dashed var(--wp-gray-300);
  border-radius: var(--wp-radius-medium);
  padding: 32px;
  text-align: center;
  color: var(--wp-gray-600);
  margin: 24px 0;
}

/* Sidebar */
.editor-sidebar {
  width: var(--wp-sidebar-width);
  background: var(--wp-white);
  border-left: 1px solid var(--wp-gray-300);
  display: none;
}

.editor-sidebar.is-open {
  display: block;
}

/* ===== COMMAND PALETTE ===== */
.command-palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s, visibility 0.15s;
}

.command-palette-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.command-palette {
  width: 100%;
  max-width: 400px;
  background: var(--wp-white);
  border-radius: var(--wp-radius-large);
  box-shadow: var(--wp-elevation-medium);
  transform: scale(0.95) translateY(-10px);
  transition: transform 0.15s;
  overflow: hidden;
}

.command-palette-overlay.is-open .command-palette {
  transform: scale(1) translateY(0);
}

.command-palette__header {
  display: flex;
  align-items: center;
  gap: var(--wp-grid-unit-10);
  padding: var(--wp-grid-unit-15) var(--wp-grid-unit-20);
  border-bottom: 1px solid var(--wp-gray-200);
}

.command-palette__search-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.command-palette__search-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--wp-gray-600);
}

.command-palette__input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--wp-font-size-large);
  line-height: 28px;
  color: var(--wp-gray-900);
}

.command-palette__input::placeholder {
  color: var(--wp-gray-600);
}

.command-palette__list {
  max-height: 360px;
  overflow-y: auto;
  padding: var(--wp-grid-unit-10) 0;
}

.command-palette__item {
  display: flex;
  align-items: center;
  gap: var(--wp-grid-unit-10);
  padding: var(--wp-grid-unit-10) var(--wp-grid-unit-20);
  cursor: pointer;
  transition: background 0.1s;
}

.command-palette__item:hover,
.command-palette__item.is-selected {
  background: var(--wp-admin-theme-color);
  color: var(--wp-white);
}

.command-palette__item:hover .command-palette__item-icon svg,
.command-palette__item.is-selected .command-palette__item-icon svg {
  fill: var(--wp-white);
}

.command-palette__item:hover .command-palette__item-shortcut,
.command-palette__item.is-selected .command-palette__item-shortcut {
  color: rgba(255, 255, 255, 0.7);
}

.command-palette__item-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.command-palette__item-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--wp-gray-700);
}

.command-palette__item-label {
  flex: 1;
  font-size: var(--wp-font-size-medium);
}

.command-palette__item-shortcut {
  font-size: var(--wp-font-size-small);
  color: var(--wp-gray-600);
}

.command-palette__empty {
  padding: 40px var(--wp-grid-unit-20);
  text-align: center;
  color: var(--wp-gray-600);
}