@font-face {
  font-family: 'Arad';
  src: url('../font/AradFDVF.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  unicode-range: U+0600-U+06FF, U+0750-U+077F, U+FB50-U+FDFF, U+FE70-U+FEFF;
}

:root {
  --bg: #f3f3f3;
  --panel-bg: rgba(255,255,255,0.10);
  --panel-border: rgba(0,0,0,0.06);
  --muted: rgba(0,0,0,0.6);
  --glass-shadow: 0 10px 30px rgba(16,24,40,0.06);
  --accent-ring: rgba(99,102,241,0.15);
  --search-height: 40px;
  --text-primary: rgba(0,0,0,0.75);
  --text-secondary: rgba(0,0,0,0.65);
  --text-muted: rgba(0,0,0,0.58);
  --search-bg: rgba(255,255,255,0.12);
  --search-border: rgba(0,0,0,0.12);
  --dialog-bg-start: rgba(255,255,255,0.10);
  --dialog-bg-end: rgba(255,255,255,0.08);
  --item-hover: rgba(76,76,76,0.08);
  --search-item-bg: rgba(255,255,255,0.95);

  --card-padding: 14px;
  --card-radius: 14px;
  --card-width: 300px;
  --card-title-size: 15px;
  --card-text-size: 13px;
  --emoji-size: 18px;
}

body.dark-mode {
  --bg: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --bg-solid: #0f172a;
  --panel-bg: rgba(30, 41, 59, 0.65);
  --panel-border: rgba(148, 163, 184, 0.15);
  --muted: rgba(203, 213, 225, 0.7);
  --glass-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 1px rgba(148, 163, 184, 0.1);
  --accent-ring: rgba(96, 165, 250, 0.3);
  --text-primary: rgba(248, 250, 252, 0.95);
  --text-secondary: rgba(226, 232, 240, 0.85);
  --text-muted: rgba(203, 213, 225, 0.70);
  --search-bg: rgba(30, 41, 59, 0.70);
  --search-border: rgba(148, 163, 184, 0.20);
  --dialog-bg-start: rgba(30, 41, 59, 0.85);
  --dialog-bg-end: rgba(15, 23, 42, 0.80);
  --item-hover: rgba(148, 163, 184, 0.15);
  --search-item-bg: rgba(30, 41, 59, 0.95);
}

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

body {
  background: var(--bg);
  font-family: "Arad", "Vazirmatn", sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background 0.4s ease;
}

body.dark-mode {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.graph_wrapper {
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
  background: transparent;
  transition: background-color 0.3s ease;
}

svg {
  width: 100%;
  height: 99%;
  display: block;
  background: transparent;
  transition: background-color 0.3s ease;
}

.dark-mode-toggle {
  position: fixed;
  top: 20px;
  left: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--panel-bg);
  backdrop-filter: blur(12px) saturate(1.2);
  border: 1px solid var(--panel-border);
  box-shadow: var(--glass-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 100;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.2, 1);
  padding: 0;
}

.dark-mode-toggle:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 20px 40px rgba(16,24,40,0.15);
}

body.dark-mode .dark-mode-toggle:hover {
  box-shadow: 0 20px 40px rgba(96, 165, 250, 0.25);
}

.dark-mode-toggle:active {
  transform: translateY(0) scale(0.98);
}

.dark-mode-toggle .sun-icon,
.dark-mode-toggle .moon-icon {
  height: 30px;
  font-size: 24px;
  position: absolute;
  transition: all 0.3s ease;
}

.dark-mode-toggle .sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.dark-mode-toggle .moon-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0);
}

body.dark-mode .dark-mode-toggle .sun-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0);
}

body.dark-mode .dark-mode-toggle .moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.dialog {
  display: none;
  position: fixed;
  direction: rtl;
  bottom: 20px;
  right: 20px;

  width: var(--card-width);
  padding: var(--card-padding);

  background: linear-gradient(135deg, var(--dialog-bg-start), var(--dialog-bg-end));
  backdrop-filter: blur(16px) saturate(1.2);

  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  box-shadow: var(--glass-shadow);

  color: var(--text-primary);
  z-index: 40;

  transition: transform .22s cubic-bezier(.2,.9,.2,1),
              opacity .18s ease,
              box-shadow .18s ease,
              background .4s ease,
              border-color .3s ease;
  transform-origin: bottom right;
}

.dialog.show {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 800;
  color: var(--text-primary);
}

#dialogTitle {
  font-size: var(--card-title-size);
  line-height: 1.2;
}

#closeDialogBtn {
  background: transparent;
  border: none;
  padding: 6px 8px;
  border-radius: 8px;
  font-weight: 700;
  color: #e33;
  cursor: pointer;
  transition: background .15s ease, transform .1s ease;
}

#closeDialogBtn:hover {
  background: var(--item-hover);
  transform: translateY(-1px);
}

.dialog-body {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: var(--card-text-size);
  line-height: 1.45;
}

.dialog-body p {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.dialog-body strong {
  min-width: 48px;
  font-weight: 700;
  color: var(--text-secondary);
  display: inline-block;
}

#nodeName {
  font-weight: bold;
}

#nodeLines {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.node-line-number {
  font-size: 18px;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.line-separator {
  font-size: 14px;
  font-weight: normal;
  color: var(--text-muted);
  margin: 0 2px;
}

.node-line-badge {
  min-width: 28px;
  padding: 4px 8px;
  height: 22px;
  border-radius: 999px;
  font-size: 12px;
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(16,24,40,0.04);
}

#nodeAddress {
  font-size: 13px;
  color: var(--text-muted);
  word-break: break-word;
}

#nodeEmojis {
  margin-top: 6px;
  display: flex;
  gap: 8px;
}

.emoji-badge {
  width: calc(var(--emoji-size) + 8px);
  height: calc(var(--emoji-size) + 8px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--panel-bg);
  border-radius: 8px;
  font-size: var(--emoji-size);
  box-shadow: 0 6px 18px rgba(16,24,40,0.04);
  color: var(--text-muted);
}

button {
  padding: 4px 8px;
  border: 0;
  cursor: pointer;
  background: transparent;
  color: rgb(227,20,20);
  border-radius: 6px;
  transition: background .15s ease, transform .08s ease;
}

button:hover {
  background-color: var(--item-hover);
  transform: translateY(-1px);
}

.no-select {
  user-select: none;
}

.search-box-container {
  position: fixed;
  top: 12px;
  direction: rtl;
  display: flex;
  justify-content: center;
  width: 90%;
  margin: 0 auto;
  left: 0;
  right: 0;
  height: var(--search-height);
  z-index: 50;
  pointer-events: none;
}

#searchDropdown {
  pointer-events: auto;
  width: 100%;
  max-width: 520px;
}

.search-box {
  width: 100%;
  height: var(--search-height);
  padding: 8px 12px;

  background: var(--search-bg);
  border: 1px solid var(--search-border);
  backdrop-filter: blur(12px) saturate(1.2);
  color: var(--text-primary);

  border-radius: 10px;
  font-size: 14px;
  outline: none;

  transition: box-shadow .15s ease,
              border-color .15s ease,
              transform .12s ease,
              background .4s ease,
              color .3s ease;
}

.search-box::placeholder {
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.search-box:focus {
  box-shadow: 0 8px 24px var(--accent-ring);
  border-color: rgba(99,102,241,0.45);
  transform: translateY(-2px);
}

body.dark-mode .search-box:focus {
  border-color: rgba(96, 165, 250, 0.50);
  box-shadow: 0 8px 24px rgba(96, 165, 250, 0.3);
}

.search-item {
  width: 100%;
  max-width: 520px;
  height: 40px;
  padding: 8px 12px;
  margin-top: 6px;
  border-radius: 8px;

  background: var(--search-item-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  display: none;
  align-items: center;
  cursor: pointer;

  transition: background .18s ease, 
              transform .08s ease,
              color .3s ease,
              box-shadow .18s ease;
}

.search-item:hover {
  background: var(--item-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

body.dark-mode .search-item:hover {
  box-shadow: 0 4px 12px rgba(96, 165, 250, 0.15);
}

svg text {
  pointer-events: none;
  user-select: none;
}

body.dark-mode svg text {
  fill: #ffffff !important;
}

@media (max-width: 640px) {
  :root {
    --card-width: calc(100% - 32px);
  }

  .dialog {
    left: 16px;
    right: 16px;
    bottom: 14px;
  }

  .search-box-container {
    padding: 0 8px;
    top: 10px;
  }

  .search-box {
    border-radius: 12px;
  }

  .dark-mode-toggle {
    width: 45px;
    height: 45px;
    top: 15px;
    left: 15px;
  }

  .dark-mode-toggle .sun-icon,
  .dark-mode-toggle .moon-icon {
    font-size: 20px;
  }
}