@import url('https://fonts.googleapis.com/css2?family=Work+Sans:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; }

:root {
  --purple: #3C0E6B;
  --purple-dark: #2D0A52;
  --purple-light: #F3E8FF;
  --pink: #EFC6D9;
  --bg: #F8F8FB;
  --border: #EDE8F5;
  --muted: #8A92A6;
  --text: #1A1A2E;
  --white: #FFFFFF;
  --sidebar-width: 320px;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Work Sans', system-ui, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

/* ── Topbar ── */
#ds-topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 56px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 0;
  box-shadow: 0 1px 6px rgba(60,14,107,.06);
}

.ds-logo {
  font-weight: 800;
  font-size: 1.15em;
  color: var(--purple);
  margin-right: 32px;
  letter-spacing: -0.3px;
}

.ds-tab-nav {
  display: flex;
  gap: 4px;
  height: 100%;
  align-items: stretch;
  flex: 1;
}

/* Tab groups (Chrome-style) */
.ds-tab-group {
  display: flex;
  align-items: stretch;
  position: relative;
  border-radius: 8px 8px 0 0;
  overflow: visible;
}
.ds-tab-group-label {
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-weight: 700;
  font-size: 0.85em;
  color: var(--purple-dark);
  background: none;
  border: none;
  border-bottom: 3px solid var(--purple-light);
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: all .15s;
}
.ds-tab-group-label:hover { background: var(--purple-light); border-bottom-color: var(--purple); }
.ds-tab-group.expanded .ds-tab-group-label {
  background: var(--purple-light); border-bottom-color: var(--purple);
}
.ds-tab-group-pages {
  display: none;
  align-items: stretch;
}
.ds-tab-group.expanded .ds-tab-group-pages { display: flex; }

.ds-tab-link {
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-weight: 600;
  font-size: 0.85em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: all .15s;
  cursor: pointer;
  white-space: nowrap;
}

.ds-tab-link:hover {
  color: var(--purple);
  background: var(--purple-light);
}

.ds-tab-link.active {
  color: var(--purple);
  border-bottom-color: var(--purple);
}

.ds-topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.ds-filter-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--purple-light);
  color: var(--purple);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.85em;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}

.ds-filter-btn:hover {
  background: var(--purple);
  color: var(--white);
}

.ds-filter-btn svg {
  flex-shrink: 0;
}

/* ── Main content ── */
.ds-content {
  padding: 24px 28px;
  max-width: 1400px;
  margin: 0 auto;
}

/* ── Chart grid ── */
.ds-chart-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

/* ── Chart card ── */
.ds-chart-card {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(60,14,107,.04);
}

.ds-chart-header {
  padding: 14px 20px;
  font-weight: 700;
  font-size: 0.95em;
  color: var(--purple-dark);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to right, var(--purple-light), transparent);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ds-chart-body {
  padding: 12px 16px;
  min-height: 200px;
}
/* ── Column Explorer (Dev Mode) ── */
.ds-col-explorer {
  position: fixed; top: 56px; right: 0;
  width: 260px; height: calc(100vh - 56px);
  background: var(--white); border-left: 1px solid var(--border);
  box-shadow: -4px 0 16px rgba(60,14,107,.06);
  z-index: 1050; overflow: hidden;
  display: none; flex-direction: column;
  transform: translateX(100%); transition: transform .2s ease;
}
body.dev-active .ds-col-explorer { display: flex; }
body.dev-active .ds-col-explorer.open { transform: translateX(0); }
body.dev-active.col-explorer-open .ds-content { margin-right: 260px; transition: margin .2s ease; }
.ds-tables-btn { display: none !important; }
body.dev-active .ds-tables-btn { display: inline-flex !important; }
body.col-explorer-open .ds-tables-btn { background: var(--purple); color: white; }
.ds-col-explorer-header {
  padding: 12px; border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 8px;
}
.ds-col-explorer-header span {
  font-weight: 700; font-size: 0.9em; color: var(--purple-dark);
}
.ds-col-explorer-header input {
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 8px; font-size: 0.82em; outline: none; font-family: inherit;
}
.ds-col-explorer-header input:focus { border-color: var(--purple); }
.ds-col-explorer-body { overflow-y: auto; flex: 1; }

.col-exp-table-name {
  padding: 8px 12px; font-weight: 600; font-size: 0.85em;
  color: var(--purple-dark); cursor: pointer; user-select: none;
  border-bottom: 1px solid var(--border);
}
.col-exp-table-name:hover { background: var(--purple-light); }
.col-exp-arrow { font-size: 0.7em; display: inline-block; transition: transform .15s; }
.col-exp-table.open .col-exp-arrow { transform: rotate(90deg); }
.col-exp-count { font-size: 0.75em; color: var(--muted); font-weight: 400; margin-left: 4px; }
.col-exp-cols { display: none; }
.col-exp-table.open .col-exp-cols { display: block; }

.col-exp-section-name {
  padding: 5px 12px 5px 20px; font-weight: 600; font-size: 0.78em;
  color: var(--purple); cursor: pointer; user-select: none;
  text-transform: uppercase; letter-spacing: 0.5px;
  background: var(--bg);
}
.col-exp-section-name:hover { background: var(--purple-light); }
.col-exp-section-name .col-exp-arrow { font-size: 0.6em; }
.col-exp-section-items { display: none; padding: 0; }
.col-exp-section.open > .col-exp-section-items { display: block; }
.col-exp-section.open > .col-exp-section-name .col-exp-arrow { transform: rotate(90deg); }
.col-exp-section-items.drag-over { background: rgba(139,92,246,.05); }
.col-exp-item {
  display: flex; align-items: center; gap: 4px;
  padding: 3px 8px 3px 16px; border-bottom: 1px solid rgba(0,0,0,.03);
  font-size: 0.75em; cursor: default;
}
.col-exp-item:hover { background: var(--bg); }
.col-exp-item[draggable]:active { opacity: 0.5; }
.col-exp-drag { color: var(--muted); cursor: grab; opacity: 0.2; font-size: 0.85em; }
.col-exp-item:hover .col-exp-drag { opacity: 1; }
.col-exp-name { font-weight: 500; color: var(--text); white-space: nowrap; }
.col-exp-type { color: var(--muted); font-size: 0.85em; white-space: nowrap; margin-left: auto; }

/* ── Data table (component: data_table) ── */
.dt-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.dt-info {
  font-size: 0.78em;
  color: var(--muted);
  font-weight: 600;
}
.dt-actions { display: flex; align-items: center; gap: 6px; }
.dt-search-box {
  display: flex; align-items: center; gap: 4px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 8px;
}
.dt-search-input {
  border: none; background: none; outline: none;
  font-size: 0.82em; width: 140px; font-family: inherit;
}
.dt-search-count { font-size: 0.75em; color: var(--muted); white-space: nowrap; }
.dt-search-nav {
  background: none; border: none; cursor: pointer;
  color: var(--muted); font-size: 0.9em; padding: 1px 3px;
}
.dt-search-nav:hover { color: var(--purple); }
.ds-data-table th.dt-sorted { background: #E8DEF8 !important; }
.ds-data-table th.dt-col-highlight {
  background: #fbbf24 !important;
  color: #1a1a2e !important;
}
.dt-btn {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  padding: 5px 7px; cursor: pointer; color: var(--muted);
  display: flex; align-items: center;
}
.dt-btn:hover { background: var(--purple-light); color: var(--purple); }

/* Column selector panel */
.dt-col-selector {
  position: fixed; z-index: 1200;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: 0 8px 24px rgba(60,14,107,.12);
  width: 280px; max-height: 400px; overflow: hidden;
  right: 16px !important;
}
.dt-col-header {
  display: flex; align-items: center; gap: 6px;
  padding: 8px; border-bottom: 1px solid var(--border);
}
.dt-col-header input {
  flex: 1; border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 8px; font-size: 0.82em; outline: none; font-family: inherit;
}
.dt-col-header input:focus { border-color: var(--purple); }
.dt-col-close {
  background: none; border: none; cursor: pointer;
  font-size: 1.1em; color: var(--muted); padding: 4px 6px;
  border-radius: 4px;
}
.dt-col-close:hover { background: var(--bg); color: var(--text); }
.dt-col-actions {
  display: flex; gap: 4px; padding: 6px 8px;
  border-bottom: 1px solid var(--border);
}
.dt-col-actions button {
  flex: 1; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 8px; font-size: 0.75em;
  cursor: pointer; font-family: inherit; color: var(--purple-dark);
}
.dt-col-actions button:hover { background: var(--purple-light); }
.dt-col-list { overflow-y: auto; max-height: 320px; padding: 4px 0; }
.dt-col-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px; cursor: pointer; font-size: 0.82em;
}
.dt-col-item:hover { background: var(--purple-light); }
.dt-col-item input[type="checkbox"] { accent-color: var(--purple); }
.dt-col-item span:first-of-type { flex: 1; }
.dt-col-drag { color: var(--muted); cursor: grab; font-size: 1.1em; }

/* Table */
.ds-table-wrapper {
  overflow: auto;
  max-height: 500px;
}
.ds-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82em;
}
.ds-data-table th {
  position: sticky;
  top: 0;
  background: var(--purple-light);
  color: var(--purple-dark);
  font-weight: 600;
  padding: 8px 10px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 2px solid var(--border);
  cursor: grab;
  user-select: none;
  position: relative;
}
.ds-data-table th .dt-resize {
  position: absolute; right: 0; top: 0; bottom: 0; width: 4px;
  cursor: col-resize; background: transparent; z-index: 1;
}
.ds-data-table th .dt-resize:hover,
.ds-data-table th .dt-resize.active { background: var(--purple); }
.ds-data-table th .dt-th-text { margin-right: 4px; }
.ds-data-table th .dt-filter-btn {
  background: none; border: none; cursor: pointer;
  color: var(--muted); padding: 2px; opacity: 0;
  transition: opacity .15s;
}
.ds-data-table th:hover .dt-filter-btn { opacity: 1; }
.ds-data-table th.dt-dragging { opacity: 0.4; }
.ds-data-table th.dt-drag-over { border-left: 3px solid var(--purple); }
.ds-data-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.ds-data-table tr:hover td { background: var(--purple-light); }
.dt-null { color: var(--muted); font-style: italic; }

/* Filter popup */
.dt-filter-popup {
  position: fixed; z-index: 200;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 4px 16px rgba(60,14,107,.1);
  padding: 8px; display: flex; gap: 6px;
}
.dt-filter-input {
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 8px; font-size: 0.82em; width: 180px;
  outline: none; font-family: inherit;
}
.dt-filter-input:focus { border-color: var(--purple); }
.dt-filter-clear {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 8px; font-size: 0.78em; cursor: pointer; color: var(--muted);
}
.dt-filter-clear:hover { background: var(--bg); }

/* ── Filter Sidebar ── */
.ds-sidebar {
  position: fixed;
  top: 56px;
  right: 0;
  width: var(--sidebar-width);
  height: calc(100vh - 56px);
  background: var(--white);
  border-left: 1px solid var(--border);
  box-shadow: -4px 0 24px rgba(60,14,107,.08);
  z-index: 1100;
  transform: translateX(100%);
  transition: transform .25s ease;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.ds-sidebar.open {
  transform: translateX(0);
}

.ds-sidebar-overlay {
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,.2);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}

.ds-sidebar-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.ds-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.ds-sidebar-header h3 {
  margin: 0;
  font-size: 1em;
  font-weight: 700;
  color: var(--purple-dark);
}

.ds-sidebar-close {
  background: none;
  border: none;
  font-size: 1.5em;
  cursor: pointer;
  color: var(--muted);
  padding: 0 4px;
  line-height: 1;
}

.ds-sidebar-close:hover {
  color: var(--purple);
}

#ds-filter-form {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  overflow-y: auto;
}

.ds-filter-actions {
  position: sticky;
  bottom: 0;
  background: var(--white);
  padding: 12px 0 8px;
  border-top: 1px solid var(--border);
  margin-top: auto;
  display: flex;
  gap: 10px;
}

.ds-filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ds-filter-label {
  font-weight: 600;
  font-size: 0.85em;
  color: var(--purple-dark);
}

.ds-filter-input,
.ds-filter-select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.9em;
  color: var(--text);
  background: var(--bg);
  transition: border-color .15s;
}

.ds-filter-input:focus,
.ds-filter-select:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 2px rgba(60,14,107,.1);
}

.ds-filter-date-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ds-filter-date-row .ds-filter-input {
  flex: 1;
}

.ds-filter-date-sep {
  font-size: 0.85em;
  color: var(--muted);
  white-space: nowrap;
}

.ds-filter-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
  padding: 4px 0;
}

.ds-filter-checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88em;
  cursor: pointer;
  padding: 3px 0;
}

.ds-filter-checkbox-label input[type="checkbox"] {
  accent-color: var(--purple);
  width: 16px;
  height: 16px;
}

.ds-btn {
  flex: 1;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9em;
  cursor: pointer;
  transition: all .15s;
}

.ds-btn-primary {
  background: var(--purple);
  color: var(--white);
}

.ds-btn-primary:hover {
  background: var(--purple-dark);
}

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

.ds-btn-secondary:hover {
  color: var(--purple);
  border-color: var(--purple);
}

/* ── Docs page ── */
.ds-docs {
  max-width: 900px;
  margin: 0 auto;
}

.ds-docs h1 {
  color: var(--purple);
  font-size: 1.5em;
  margin: 0 0 24px 0;
}

.ds-docs-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

.ds-docs-section h2 {
  color: var(--purple-dark);
  font-size: 1.1em;
  margin: 0 0 12px 0;
}

.ds-docs-section p,
.ds-docs-section li {
  line-height: 1.6;
  color: var(--text);
}

.ds-docs-arch code {
  display: block;
  background: var(--bg);
  padding: 16px;
  border-radius: 8px;
  font-size: 0.85em;
  white-space: pre;
  line-height: 1.5;
  overflow-x: auto;
}

.ds-docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9em;
}

.ds-docs-table th,
.ds-docs-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.ds-docs-table th {
  background: var(--purple-light);
  color: var(--purple-dark);
  font-weight: 600;
}

.ds-docs-table code {
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.ds-docs-code {
  background: var(--bg);
  padding: 14px;
  border-radius: 8px;
  font-size: 0.85em;
  overflow-x: auto;
  border: 1px solid var(--border);
  line-height: 1.5;
}

.ds-docs-section ol,
.ds-docs-section ul {
  padding-left: 20px;
}

/* ── Loading indicator ── */
.htmx-indicator {
  display: none;
}
.htmx-request .htmx-indicator {
  display: inline-block;
}
.htmx-request .htmx-hide-on-request {
  opacity: 0.4;
  pointer-events: none;
  transition: opacity .2s;
}

/* ── Horizontal scroll strip ── */
.ds-hscroll-wrapper {
  position: relative;
  width: 100%;
}

.ds-hscroll {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 20px;
  padding-bottom: 8px;
}

.ds-hscroll::-webkit-scrollbar {
  height: 6px;
}

.ds-hscroll::-webkit-scrollbar-track {
  background: var(--purple-light);
  border-radius: 3px;
}

.ds-hscroll::-webkit-scrollbar-thumb {
  background: var(--purple);
  border-radius: 3px;
}

.ds-hscroll-card {
  flex: 0 0 100%;
  scroll-snap-align: start;
}

.ds-hscroll-card .ds-chart-card {
  height: 100%;
}

/* ── Responsive ── */
@media (min-width: 1200px) {
  .ds-chart-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ds-chart-card.full-width,
  .full-width {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  #ds-topbar {
    padding: 0 12px;
    gap: 0;
  }

  .ds-logo {
    margin-right: 12px;
    font-size: 1em;
  }

  .ds-tab-link {
    padding: 0 10px;
    font-size: 0.8em;
  }

  .ds-content {
    padding: 12px;
  }

  .ds-sidebar {
    width: 100%;
  }

  .ds-filter-btn span:not(svg) {
    display: none;
  }
}


/* ══════════════════════════════════════════════════════════════
   DEV MODE — Edit, Add, Drag & Drop
   All classes prefixed with .dev- to avoid conflicts
   ══════════════════════════════════════════════════════════════ */

/* Chart header layout for dev actions */
.ds-chart-title-text { flex: 1; }

/* Dev-only elements (hidden by default) */
.dev-only-el { display: none !important; }
body.dev-active .dev-only-el { display: inline-flex !important; }
.ds-tab-add-btn {
  background: none; border: none;
  color: var(--purple); cursor: pointer; font-size: 15px; font-weight: 600;
  padding: 0 6px; align-items: center; justify-content: center;
  align-self: stretch; opacity: 0.35; transition: all 0.15s;
}
.ds-tab-add-btn:hover { opacity: 1; background: var(--purple-light); }

/* Dev actions (hidden by default, shown when body.dev-active) */
.dev-chart-actions { display: none; gap: 4px; align-items: center; margin-left: 12px; }
body.dev-active .dev-chart-actions { display: flex; }

/* Dev buttons (edit, copy, drag) */
.dev-btn { background: transparent; border: none; color: var(--muted); cursor: pointer; padding: 6px; border-radius: 6px; display: flex; align-items: center; justify-content: center; transition: all 0.15s ease; }
.dev-btn:hover { color: var(--purple); background: var(--purple-light); }
.dev-delete-btn:hover { color: #DC2626; background: #FEE2E2; }

/* Drop gaps — disabled, using Ctrl+V only */
.dev-drop-gap { display: none !important; }

/* Section row: chart keeps original width, + fills gap to viewport edge */
.ds-section-row { position: relative; grid-column: 1 / -1; overflow: visible; width: 100%; }
.ds-section-scroll { display: flex; overflow-x: hidden; scroll-snap-type: x mandatory; scroll-behavior: smooth; }
.ds-section-scroll::-webkit-scrollbar { height: 4px; }
.ds-section-scroll::-webkit-scrollbar-track { background: var(--purple-light); border-radius: 2px; }
.ds-section-scroll::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 2px; }
.ds-section-card { flex: 0 0 100%; scroll-snap-align: start; min-width: 0; }
/* Show scrollbar only when section has multiple charts */
.ds-section-scroll.has-scroll { overflow-x: auto; }
.ds-section-row::-webkit-scrollbar { height: 4px; }
.ds-section-row::-webkit-scrollbar-track { background: var(--purple-light); border-radius: 2px; }
.ds-section-row::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 2px; }
.dev-side-form-card { padding: 20px; }
.dev-side-add { display: none; }
body.dev-active .ds-content { overflow: visible; }
body.dev-active .dev-side-add { display: flex; position: absolute; top: 0; bottom: 0; left: 100%; width: 32px; margin-left: 8px; border: 1.5px dashed var(--border); border-radius: 8px; cursor: pointer; color: var(--muted); background: var(--white); transition: all 0.2s; justify-content: center; align-items: center; }
body.dev-active .dev-side-add:hover { border-color: var(--purple); color: var(--purple); background: var(--purple-light); }


/* Drag handle */
.dev-drag-handle { cursor: grab; }
.dev-drag-handle:active { cursor: grabbing; }

/* Edit panel */
.dev-edit-panel { display: none; padding: 20px; border-top: 1px solid var(--border); background: #FAFAFF; border-radius: 0 0 12px 12px; }
.dev-edit-panel.open { display: block; }
.dev-edit-panel label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.dev-edit-panel textarea { width: 100%; min-height: 140px; font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: 13px; line-height: 1.5; background: var(--white); color: var(--text); border-radius: 8px; padding: 14px; border: 1px solid var(--border); resize: vertical; transition: border-color 0.2s; }
.dev-edit-panel textarea:focus { border-color: var(--purple); outline: none; }
.dev-edit-panel select, .dev-edit-panel input[type="text"] { width: 100%; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 13px; font-family: inherit; background: var(--white); transition: border-color 0.2s; }
.dev-edit-panel select:focus, .dev-edit-panel input[type="text"]:focus { border-color: var(--purple); outline: none; }
.dev-edit-field { margin-bottom: 16px; }
.dev-edit-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dev-edit-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.dev-edit-actions button { padding: 8px 20px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; border: none; transition: all 0.15s; }
.dev-btn-save { background: var(--purple); color: var(--white); }
.dev-btn-save:hover { background: var(--purple-dark); }
.dev-btn-cancel { background: var(--purple-light); color: var(--purple); }
.dev-btn-cancel:hover { background: #E4D4F4; }

/* Add new chart button */
.dev-add-chart { display: none; justify-content: center; padding: 32px 0; width: 100%; }
body.dev-active .dev-add-chart { display: flex; flex-direction: column; align-items: center; grid-column: 1 / -1; }
.dev-add-btn { width: 52px; height: 52px; border-radius: 50%; border: 2px dashed var(--border); background: transparent; color: var(--muted); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; }
.dev-add-btn:hover { border-color: var(--purple); color: var(--purple); background: var(--purple-light); transform: scale(1.05); }
.dev-new-form { width: 100%; margin-top: 16px; }
.dev-new-form .dev-edit-panel { display: none; border-top: none; border: 1px solid var(--border); border-radius: 12px; background: var(--white); padding: 24px; }
.dev-new-form .dev-edit-panel.open { display: block; }
.dev-new-form .dev-edit-field { width: 100%; }
.dev-new-form .dev-edit-field input,
.dev-new-form .dev-edit-field select,
.dev-new-form .dev-edit-field textarea { width: 100%; }

/* Drag & drop */
.dev-dragging { opacity: 0.4; transform: scale(0.98); }
.dev-drag-over { border-top: 3px solid var(--purple) !important; }


/* Toast notifications */
.dev-toast { position: fixed; bottom: 24px; right: 24px; padding: 12px 24px; border-radius: 10px; color: white; font-size: 14px; font-weight: 500; z-index: 9999; opacity: 0; transform: translateY(10px); animation: dev-toast-in 0.3s ease forwards; box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.dev-toast.success { background: #059669; }
.dev-toast.error { background: #DC2626; }
.dev-toast.subtle { background: var(--purple-dark); font-size: 12px; padding: 8px 16px; opacity: 0.85; }
@keyframes dev-toast-in { to { opacity: 1; transform: translateY(0); } }

/* Dev toggle button active state */
.dev-toggle-btn.active { background: var(--purple) !important; color: var(--white) !important; }

/* ── AI Chat (Estag) ── */
.dev-ai-btn { color: var(--purple) !important; }
.dev-ai-btn:hover { background: #F3E8FF !important; }
.dev-ai-chat { display: flex; flex-direction: column; height: 420px; }
.dev-ai-header { display: flex; align-items: center; gap: 8px; padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.dev-ai-avatar { font-size: 20px; }
.dev-ai-name { font-weight: 700; color: var(--purple); }
.dev-ai-subtitle { font-size: 12px; color: var(--muted); }
.dev-ai-messages { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; padding: 8px 0; }
.dev-ai-msg { max-width: 85%; padding: 10px 14px; border-radius: 12px; font-size: 13px; line-height: 1.5; word-wrap: break-word; white-space: pre-wrap; }
.dev-ai-msg.user { align-self: flex-end; background: var(--purple); color: var(--white); border-bottom-right-radius: 4px; }
.dev-ai-msg.assistant { align-self: flex-start; background: var(--white); color: var(--text); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.dev-ai-input-box { border: 1px solid var(--border); border-radius: 10px; padding: 6px 10px 2px; margin-top: 8px; transition: border-color 0.15s; flex-shrink: 0; background: var(--white); }
.dev-ai-input-box:focus-within { border-color: var(--purple); }
.dev-ai-input { display: block; width: 100%; border: none !important; outline: none !important; font-size: 13px; font-family: inherit; resize: none; min-height: 18px !important; max-height: 120px; line-height: 18px; padding: 0 !important; margin: 0; box-sizing: border-box; overflow-y: hidden; background: transparent; }
.dev-ai-input-bar { display: flex; align-items: center; justify-content: space-between; padding-top: 4px; }
.dev-ai-icon-btn { cursor: pointer; color: var(--muted); display: flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 6px; border: none; background: none; transition: all 0.15s; padding: 0; }
.dev-ai-icon-btn:hover { color: var(--purple); background: var(--bg-page); }
.dev-ai-send:disabled { opacity: 0.3; cursor: not-allowed; }
.dev-ai-preview { display: flex; align-items: center; gap: 8px; padding: 6px 8px; margin-bottom: 4px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; }
.dev-ai-preview img { max-height: 48px; max-width: 80px; border-radius: 4px; object-fit: cover; }
.dev-ai-preview button { background: none; border: none; cursor: pointer; color: var(--muted); font-size: 14px; padding: 2px 6px; }
.dev-ai-preview button:hover { color: var(--danger); }
.dev-ai-msg-img { max-width: 100%; max-height: 150px; border-radius: 8px; margin-bottom: 6px; display: block; }
.dev-ai-apply-btn { align-self: flex-start; margin-top: 4px; background: var(--purple); color: var(--white); border: none; border-radius: 8px; padding: 8px 16px; font-weight: 600; font-size: 12px; cursor: pointer; transition: background 0.15s; }
.dev-ai-apply-btn:hover { background: var(--purple-dark); }
.dev-ai-typing { color: var(--muted); font-style: italic; font-size: 12px; padding: 4px 14px; animation: dev-ai-pulse 1.5s ease-in-out infinite; }
@keyframes dev-ai-pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

/* Flat tabs (single-page groups rendered as direct links) */
.ds-tab-flat { text-decoration: none; }
.ds-tab-flat.active { background: var(--purple-light); border-bottom-color: var(--purple); }