@font-face {
  font-family: "Kohinoor Bangla";
  src:
    local("Kohinoor Bangla Regular"), local("KohinoorBangla-Regular"),
    url("fonts/KohinoorBangla-Regular.eot");
  src:
    local("Kohinoor Bangla Regular"),
    local("KohinoorBangla-Regular"),
    url("fonts/KohinoorBangla-Regular.eot?#iefix")
      format("embedded-opentype"),
    url("fonts/KohinoorBangla-Regular.woff2") format("woff2"),
    url("fonts/KohinoorBangla-Regular.woff") format("woff"),
    url("fonts/KohinoorBangla-Regular.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Kohinoor Bangla";
  src:
    local("Kohinoor Bangla Bold"), local("KohinoorBangla-Bold"),
    url("fonts/KohinoorBangla-Bold.eot");
  src:
    local("Kohinoor Bangla Bold"),
    local("KohinoorBangla-Bold"),
    url("fonts/KohinoorBangla-Bold.eot?#iefix")
      format("embedded-opentype"),
    url("fonts/KohinoorBangla-Bold.woff2") format("woff2"),
    url("fonts/KohinoorBangla-Bold.woff") format("woff"),
    url("fonts/KohinoorBangla-Bold.ttf") format("truetype");
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0f1117;
  --surface: #1a1b26;
  --border: #2a2b3d;
  --text: #e0e0e0;
  --text-dim: #8888a0;
  --accent: #7c3aed;
  --accent-hover: #6d28d9;
}

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

body {
  font-family: "Kohinoor Bangla", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.toolbar h1 {
  font-size: 14px;
  font-weight: bold;
  margin-right: auto;
  color: white;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn:hover {
  background: #2a2b3d;
  border-color: var(--accent);
}

.btn.accent {
  background: var(--accent);
  border-color: var(--accent);
}

.btn.accent:hover {
  background: var(--accent-hover);
}

.zoom-info {
  display: inline-block;
  font-size: 12px;
  color: var(--text-dim);
  min-width: 45px;
  text-align: center;
  vertical-align: middle;
}

.main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.editor-panel {
  position: relative;
  width: 320px;
  min-width: 280px;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}

.editor-panel.collapsed {
  width: 30px;
  min-width: 30px;
}

.editor-panel.collapsed .editor-wrap,
.editor-panel.collapsed .editor-header,
.editor-panel.collapsed .editor-footer {
  display: none;
}

.editor-panel.collapsed .btn-sidebar-toggle svg {
  transform: rotate(180deg);
  transition: transform 0.3s ease;
}

.collapsed .btn-sidebar-toggle svg {
  transform: rotate(180deg);
  transition: transform 0.3s ease;
}

.btn-sidebar-toggle svg {
  transition: transform 0.3s ease;
  transform-origin: center;
}

.editor-header {
  padding: 8px 12px;
  font-size: 12px;
  font-weight: bold;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.editor-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#highlight {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px;
  font-family: "JetBrains Mono", "Menlo", "Courier New", monospace;
  font-size: 13px;
  line-height: 1.6;
  tab-size: 2;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow: auto;
  pointer-events: none;
  color: #e0e0e0;
  border: none;
  background: transparent;
  scrollbar-width: thin;
  scrollbar-gutter: stable;
  scrollbar-color: transparent transparent;
}

#editor {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px;
  background: transparent;
  color: transparent;
  caret-color: #e0e0e0;
  border: none;
  outline: none;
  resize: none;
  font-family: "JetBrains Mono", "Menlo", "Courier New", monospace;
  font-size: 13px;
  line-height: 1.6;
  tab-size: 2;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow: auto;
  spellcheck: false;
  z-index: 2;
  scrollbar-width: thin;
  scrollbar-color: #2a2b3d transparent;
}

#editor::-webkit-scrollbar {
  width: 6px;
}

#editor::-webkit-scrollbar-thumb {
  background: #2a2b3d;
  border-radius: 3px;
}

#editor::selection {
  background: rgba(124, 58, 237, 0.35);
}

#editor::-moz-selection {
  background: rgba(124, 58, 237, 0.35);
}

.btn-sidebar-toggle {
  position: absolute;
  top: 4px;
  z-index: 10;
  right: -14px;
  background-color: transparent;
  border: none;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.btn-sidebar-toggle:hover {
  border-color: var(--accent);
  background-color: #2a2b3d;
}

.editor-panel.collapsed .btn-sidebar-toggle {
  right: auto;
  left: 50%;
  transform: translateX(-50%);
}

.hl-comment {
  color: #4a5568;
  font-style: italic;
}

.hl-entity {
  color: #63b3ed;
  font-weight: bold;
}

.hl-brace {
  color: #a0aec0;
}

.hl-bracket {
  color: #a0aec0;
}

.hl-key {
  color: #68d391;
}

.hl-value {
  color: #fbd38d;
}

.hl-field {
  color: #e2e8f0;
}

.hl-type {
  color: #76e4f7;
}

.hl-pk {
  color: #f6ad55;
  font-weight: bold;
}

.hl-rel-tbl {
  color: #63b3ed;
}

.hl-rel-field {
  color: #e2e8f0;
}

.hl-rel-op {
  color: #fc8181;
  font-weight: bold;
}

.hl-prop-key {
  color: #68d391;
}

.hl-prop-val {
  color: #fbd38d;
}

.editor-footer {
  background-color: #333;
  border-top: 1px solid #666;
  padding: 5px;
  display: flex;
  justify-content: space-between;
  flex-shrink: 0;
}

.canvas-panel {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #f0f2f5;
  background-image: radial-gradient(circle, #c8cdd6 1px, transparent 1px);
  background-size: 24px 24px;
  cursor: default;
}

#zoom-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

#canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 4000px;
  height: 3000px;
  pointer-events: none;
}

.entity {
  pointer-events: all;
}

#lines-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 4000px;
  height: 3000px;
  pointer-events: none;
  z-index: 5;
  overflow: visible;
}

.entity {
  position: absolute;
  width: 220px;
  background: #ffffff;
  border: 2px solid var(--ecolor, #7c3aed);
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  z-index: 10;
  cursor: grab;
  user-select: none;
}

.entity.dragging {
  cursor: grabbing;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  z-index: 100;
}

.entity-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--ecolor, #7c3aed);
  background: var(--eheader-bg, #f5f3ff);
  border-radius: 8px 8px 0 0;
}

.entity-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ecolor, #7c3aed);
  flex-shrink: 0;
}

.entity-name {
  font-weight: 700;
  font-size: 13px;
  color: var(--ecolor, #7c3aed);
}

.entity-fields {
  padding: 4px 0;
}

.field {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  font-size: 12px;
  font-family: "JetBrains Mono", "Menlo", "Courier New", monospace;
  position: relative;
  height: 28px;
  border-bottom: 1px solid #ededed;
}

.field:last-child {
  border-bottom: none;
}

.field.pk {
  font-weight: 500;
}

.field-name {
  color: #1a202c;
  font-weight: 500;
}

.field-type {
  color: #718096;
  margin-left: auto;
  font-size: 11px;
}

.pk-badge {
  font-size: 9px;
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fbbf24;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 700;
  margin-left: 2px;
  flex-shrink: 0;
}

[data-color="blue"] {
  --ecolor: #3b82f6;
  --eheader-bg: #eff6ff;
}

[data-color="green"] {
  --ecolor: #22c55e;
  --eheader-bg: #f0fdf4;
}

[data-color="red"] {
  --ecolor: #ef4444;
  --eheader-bg: #fef2f2;
}

[data-color="grey"],
[data-color="gray"] {
  --ecolor: #6b7280;
  --eheader-bg: #f9fafb;
}

[data-color="purple"] {
  --ecolor: #7c3aed;
  --eheader-bg: #f5f3ff;
}

[data-color="orange"] {
  --ecolor: #f97316;
  --eheader-bg: #fff7ed;
}

.legend-card {
  position: absolute;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  z-index: 20;
  pointer-events: all;
  cursor: grab;
  user-select: none;
  min-width: 160px;
  overflow: hidden;
}

.legend-card.dragging {
  cursor: grabbing;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.legend-title {
  padding: 8px 14px 6px;
  font-size: 11px;
  font-weight: 700;
  color: #718096;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #f0f0f0;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  font-size: 12px;
  color: #1a202c;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.legend-item:not(:last-child) {
  border-bottom: 1px solid #f7f7f7;
}

.legend-line {
  flex-shrink: 0;
  width: 40px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hud {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 100;
}

.hint-bar {
  display: none;
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text);
  background: rgba(26, 27, 38, 0.75);
  padding: 4px 12px;
  border-radius: 20px;
  pointer-events: none;
  white-space: nowrap;
  z-index: 100;
}

@media screen and (min-width: 1200px) {
  .hint-bar {
    display: inline-block;
  }
}

#export-png {
  position: absolute;
  bottom: 20px;
  left: 20px;
}

.user-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.user-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.user-btn:hover {
  background: #2a2b3d;
  border-color: var(--accent);
}

.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  z-index: 9999;
  overflow: hidden;
}

.user-dropdown.open {
  display: block;
}

.dropdown-label {
  padding: 8px 14px 6px;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 14px;
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s;
}

.dropdown-btn:hover {
  background: #2a2b3d;
}

.dropdown-btn svg {
  flex-shrink: 0;
  color: var(--text-dim);
}

.dropdown-btn.danger {
  color: #fc8181;
}

.dropdown-btn.danger svg {
  color: #fc8181;
}

#info-modal {
  position: fixed;
  background-color: var(--text);
  color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px 5px 30px 30px;
  width: 90%;
  max-width: 450px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

#info-modal::backdrop {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(4px);
}

.info-modal-heading {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.btn-close {
  position: absolute;
  background-color: transparent;
  padding: 5px;
  border: none;
  color: var(--bg);
  top: 10px;
  right: 10px;
  cursor: pointer;
}

.btn-close:hover {
  color: var(--accent);
}

.modal-body {
  padding-right: 20px;
  max-height: 70vh;
  overflow-y: auto;
}

#info-modal section {
  margin-bottom: 24px;
}

#info-modal h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

#info-modal p {
  font-size: 0.8rem;
  margin-bottom: 5px;
}

#info-modal code {
  font-family: "JetBrains Mono", "Menlo", "Courier New", monospace;
  font-size: 0.8rem;
  color: #111;
}

#info-modal pre {
  background: var(--bg);
  padding: 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  line-height: 1.2;
  margin-top: 8px;
  margin-bottom: 8px;
  color: var(--text-dim);
}

#info-modal hr {
  margin-top: 10px;
  margin-bottom: 10px;
}

#info-modal table {
  border-collapse: collapse;
  margin-top: 8px;
}

#info-modal td {
  padding: 1px 5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
}

#info-modal .symbol-col {
  width: 60px;
  font-weight: bold;
}

#info-modal ul {
  list-style: square;
  padding-left: 18px;
  font-size: 0.8rem;
}

#info-modal small {
  color: var(--text-dim);
  font-style: italic;
}

#info-modal .tip {
  background-color: var(--accent);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
}