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

html,
body,
button,
input,
textarea,
select,
a,
span,
div,
li,
ul,
ol,
table,
th,
td,
p,
h1,
h2,
h3,
h4,
h5,
h6,
label,
strong,
em,
small,
b,
i,
code,
pre,
kbd,
nav,
aside,
main,
header,
footer,
section,
article,
dialog {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "SF Pro", "San Francisco", -system-ui, system-ui, "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

html,
body {
  height: 100%;
  margin: 0;
  background-color: var(--bg);
  color: var(--text-primary);
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "SF Pro", "San Francisco", -system-ui, system-ui, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* Kaydırma Çubukları (Scrollbars) */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--panel-border);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

button, 
input, 
textarea, 
select, 
a {
  outline: none !important;
  -webkit-tap-highlight-color: transparent;
}

button:focus,
a:focus,
input:focus,
textarea:focus {
  outline: none !important;
  box-shadow: none !important;
}

/* UI elemanları üzerinde sürükleme veya seçim kutusu oluşmasını engelle */
.sidebar-header,
.chat-header,
.account-menu-wrap,
.account-avatar-btn,
.account-dropdown,
.view-tab-nav,
.view-tab-btn,
.agent-item,
.action-btn,
.send-btn,
.new-chat-btn,
.dash-btn,
.tag-pill,
.workflow-card-badge,
button {
  user-select: none;
  -webkit-user-select: none;
}