/* ============================================================================ */
/* Embed Studio - Full-screen chart editor panel                              */
/* ============================================================================ */

.embed-studio {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  background: var(--page-bg);
  color: var(--text-color);
}

/* --- Header --- */

.es-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-bg);
  flex-shrink: 0;
}

.es-header__left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.es-header__icon {
  font-size: 16px;
}

.es-header__title {
  font-size: 14px;
  font-weight: 600;
}

.es-header__src {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-color);
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
}

.es-header__actions {
  display: flex;
  gap: 4px;
}

/* --- Body: split panel --- */

.es-body {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* --- Chat panel (left) --- */

.es-chat {
  width: 400px;
  min-width: 320px;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
}

.es-chat__messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.es-chat__empty {
  text-align: center;
  color: var(--muted-color);
  padding: 40px 20px;
  font-size: 13px;
  line-height: 1.6;
}

.es-chat__hint {
  font-size: 12px;
  opacity: 0.7;
  font-style: italic;
  margin-top: 8px;
}

/* Messages */

.es-message {
  max-width: 90%;
  font-size: 13px;
  line-height: 1.5;
}

.es-message--user {
  align-self: flex-end;
}

.es-message--ai {
  align-self: flex-start;
}

.es-message__text {
  padding: 8px 12px;
  border-radius: 12px;
  word-break: break-word;
  font-size: 0.82rem;
  line-height: 1.55;
}
.es-message--user .es-message__text { white-space: pre-wrap; }

/* Markdown inside embed assistant bubbles */
.es-message__text p { margin: 0 0 0.4em; }
.es-message__text p:last-child { margin-bottom: 0; }
.es-message__text ul,
.es-message__text ol { margin: 0.3em 0; padding-left: 1.4em; }
.es-message__text li { margin-bottom: 0.15em; }
.es-message__text code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85em;
  background: rgba(0,0,0,0.15);
  padding: 1px 4px;
  border-radius: 3px;
}
.es-message__text pre {
  background: rgba(0,0,0,0.15);
  padding: 8px 10px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0.4em 0;
}
.es-message__text pre code { background: none; padding: 0; }
.es-message__text strong { font-weight: 600; }
.es-message__text a { color: var(--primary-color); text-decoration: underline; }
.es-message__text blockquote {
  margin: 0.4em 0;
  padding-left: 10px;
  border-left: 2px solid var(--border-color);
  opacity: 0.7;
}

.es-message--user .es-message__text {
  background: var(--primary-color);
  color: var(--on-primary);
  border-bottom-right-radius: 4px;
}

.es-message--ai .es-message__text {
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  border-bottom-left-radius: 4px;
}

.es-message__tool {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  background: var(--code-bg);
  border-radius: 6px;
  color: var(--muted-color);
  margin-top: 4px;
  max-width: 100%;
}

.es-message__tool-name {
  font-weight: 600;
  white-space: nowrap;
}

.es-message__tool-subtitle {
  font-family: var(--font-mono);
  font-size: 10.5px;
  opacity: 0.75;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 180px;
}

.es-message__tool--running {
  color: var(--primary-color);
  background: color-mix(in srgb, var(--primary-color) 12%, var(--code-bg));
}

.es-message__tool--done {
  color: var(--success-color, var(--muted-color));
}

.es-message__tool-status--running {
  color: var(--primary-color);
}

.es-message__tool-status--done {
  color: var(--success-color);
}

/* Input area */

.es-chat__input-area {
  padding: 12px;
  border-top: 1px solid var(--border-color);
  background: var(--surface-bg);
  flex-shrink: 0;
}

.es-chat__error {
  font-size: 12px;
  color: var(--danger-color);
  padding: 4px 0 8px;
}

.es-chat__input-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.es-chat__textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  font-family: inherit;
  line-height: 1.5;
  background: var(--page-bg);
  color: var(--text-color);
  outline: none;
  min-height: 36px;
  max-height: 160px;
}

.es-chat__textarea:focus {
  border-color: var(--primary-color);
}

.es-chat__send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: var(--primary-color);
  color: var(--on-primary);
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 120ms ease;
}

.es-chat__send-btn:hover {
  opacity: 0.85;
}

.es-chat__send-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

/* --- Preview panel (right) --- */

.es-preview {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.es-preview__toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-bg);
  flex-shrink: 0;
}

.es-preview__tab {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: none;
  font-size: 12px;
  color: var(--muted-color);
  cursor: pointer;
  transition: all 120ms ease;
}

.es-preview__tab:hover {
  background: var(--border-color);
  color: var(--text-color);
}

.es-preview__tab--active {
  background: var(--border-color);
  color: var(--text-color);
  font-weight: 600;
}

/* Iframe container */

.es-preview__frame-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  /* The iframe body is set to `background: transparent` by build-doc,
     so whatever sits behind the iframe is what actually shows. Pin the
     container to --page-bg so the preview tracks the theme instead of
     falling through to the browser's default white. */
  background: var(--page-bg);
}

.es-preview__frame-container iframe {
  /* Some browsers paint a default white canvas on `srcdoc` iframes
     before the document's own <style> applies. Forcing the element
     itself to transparent lets --page-bg show through, which keeps
     dark mode clean while the chart is (re)loading. */
  background: transparent;
  color-scheme: light dark;
}

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

.es-preview__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--muted-color);
  font-size: 13px;
}

/* Code view */

.es-preview__code {
  flex: 1;
  overflow: auto;
  padding: 16px;
  background: var(--code-bg);
}

.es-preview__pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-color);
}

/* --- Files sidebar (far left) --- */

.es-files {
  width: 240px;
  min-width: 220px;
  max-width: 260px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  background: var(--surface-bg);
  overflow-y: auto;
}

.es-files__section {
  display: flex;
  flex-direction: column;
  padding: 10px 12px 14px;
  border-bottom: 1px solid var(--border-color);
}

.es-files__section:last-child {
  border-bottom: none;
}

.es-files__section-title {
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted-color);
  margin-bottom: 8px;
}

.es-files__count {
  margin-left: auto;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--muted-color);
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 10px;
}

.es-files__list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.es-files__empty {
  font-size: 11.5px;
  color: var(--muted-color);
  padding: 4px 0 6px;
  font-style: italic;
}

.es-files__item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-color);
  min-width: 0;
}

.es-files__item--current {
  background: color-mix(in srgb, var(--primary-color) 14%, transparent);
  color: var(--text-color);
}

.es-files__item--data,
.es-files__item:has(> .es-files__item-main) {
  padding: 0;
  overflow: hidden;
}

.es-files__item-main {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  padding: 5px 8px;
  font-size: 12px;
  color: inherit;
  cursor: pointer;
  text-align: left;
  min-width: 0;
  border-radius: 6px;
}

.es-files__item-main:hover {
  background: var(--code-bg);
}

.es-files__item--current .es-files__item-main:hover {
  background: color-mix(in srgb, var(--primary-color) 20%, transparent);
}

.es-files__name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.es-files__size {
  font-size: 10.5px;
  color: var(--muted-color);
  font-variant-numeric: tabular-nums;
}

.es-files__badge {
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--primary-color);
  background: var(--page-bg);
  padding: 1px 5px;
  border-radius: 10px;
}

.es-files__item-remove {
  background: transparent;
  border: none;
  color: var(--muted-color);
  cursor: pointer;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 120ms ease, color 120ms ease;
}

.es-files__item--data:hover .es-files__item-remove {
  opacity: 1;
}

.es-files__item-remove:hover {
  color: var(--danger-color, #e44);
}

.es-files__error {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  padding: 6px 8px;
  font-size: 11.5px;
  color: var(--danger-color, #e44);
  background: color-mix(in srgb, var(--danger-color, #e44) 10%, transparent);
  border-radius: 6px;
}

/* --- Upload zone --- */

.es-upload-zone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 10px;
  margin-top: 4px;
  border: 1.5px dashed var(--border-color);
  border-radius: 8px;
  color: var(--muted-color);
  font-size: 12px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
  text-align: center;
  flex-direction: column;
}

.es-upload-zone:hover,
.es-upload-zone:focus-visible {
  border-color: var(--primary-color);
  color: var(--text-color);
  background: color-mix(in srgb, var(--primary-color) 6%, transparent);
  outline: none;
}

.es-upload-zone--active {
  border-color: var(--primary-color);
  background: color-mix(in srgb, var(--primary-color) 12%, transparent);
  color: var(--text-color);
}

.es-upload-zone--compact {
  flex-direction: row;
  padding: 8px 10px;
  font-size: 11.5px;
}

.es-upload-zone__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
}

.es-upload-zone__text strong {
  color: var(--text-color);
  font-size: 12.5px;
  font-weight: 600;
}

.es-upload-zone__text span {
  font-size: 10.5px;
  color: var(--muted-color);
}

/* --- Data file viewer --- */

.es-data-viewer {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--page-bg);
  z-index: 3;
}

.es-preview {
  position: relative;
}

.es-data-viewer__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-bg);
  flex-shrink: 0;
}

.es-data-viewer__title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.es-data-viewer__title strong {
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.es-data-viewer__meta {
  font-size: 11px;
  color: var(--muted-color);
  font-variant-numeric: tabular-nums;
}

.es-data-viewer__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.es-data-viewer__tabs {
  display: flex;
  gap: 2px;
}

.es-data-viewer__body {
  flex: 1;
  overflow: auto;
  padding: 12px;
  min-height: 0;
}

.es-data-viewer__raw {
  margin: 0;
  padding: 12px 14px;
  background: var(--code-bg);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-color);
  overflow-x: auto;
  white-space: pre;
}

.es-data-table-wrap {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: auto;
}

.es-data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.es-data-table th,
.es-data-table td {
  padding: 6px 10px;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  vertical-align: top;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.es-data-table th:last-child,
.es-data-table td:last-child {
  border-right: none;
}

.es-data-table thead th {
  position: sticky;
  top: 0;
  background: var(--surface-bg);
  font-weight: 600;
  color: var(--text-color);
  z-index: 1;
}

.es-data-table tbody tr:nth-child(even) {
  background: color-mix(in srgb, var(--border-color) 20%, transparent);
}

.es-data-table__footer {
  padding: 8px 12px;
  font-size: 11px;
  color: var(--muted-color);
  border-top: 1px solid var(--border-color);
  background: var(--surface-bg);
  font-style: italic;
  text-align: center;
}