@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

:root {
  /* Modern preset: modern shell tint + readability tweaks */
  --ui-font: "Inter", "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --ui-line-height: 1.56;
  --dialog-body-line-height: 1.52;
  --bg: #f5f7fa;
  --panel: #ffffff;
  --border: #dde5ee;
  --muted: #5b6778;
  --primary: #245fcb;
  --chrome-bg: #ffffff;
  --chrome-border: #e5ebf2;
  --sidebar-bg: #fcfdff;
  --hover-bg: #f3f6fa;
  --active-bg: #e9f1ff;
  --active-text: #163a68;
  --text-color: #3b495b;
  --sidebar-toggle-color: #7c8ea3;
  --sidebar-toggle-font-size: 1.08rem;
  --sidebar-toggle-size: 36px;
  --sidebar-toggle-icon-weight: 200;
  --sidebar-toggle-icon-grad: -100;
  --sidebar-header-justify: flex-end;
  --sidebar-header-padding-x: 8px;
  --sidebar-brand-display: inline-flex;
  --sidebar-item-height: 42px;
  --sidebar-item-radius: 12px;
  --sidebar-item-padding-x: 14px;
  --sidebar-item-font-size: 0.87rem;
  --sidebar-item-icon-gap: 10px;
  --dialog-card-radius: 16px;
  --dialog-card-shadow: 0 18px 36px rgba(15, 23, 42, 0.15);
  --dialog-topbar-bg: rgba(248, 250, 252, 0.96);
}

.sidebar-header .icon-btn .toggle-icon.material-symbols-outlined {
  font-size: 0;
}

.sidebar-header .icon-btn .toggle-icon.material-symbols-outlined::before {
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  background-color: currentColor;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
}

.sidebar.expanded .sidebar-header .icon-btn .toggle-icon.material-symbols-outlined::before {
  mask-image: url("../assets/sidebar-toggle-dock-left.svg");
  -webkit-mask-image: url("../assets/sidebar-toggle-dock-left.svg");
}

.sidebar:not(.expanded) .sidebar-header .icon-btn .toggle-icon.material-symbols-outlined::before {
  mask-image: url("../assets/sidebar-toggle-dock-right.svg");
  -webkit-mask-image: url("../assets/sidebar-toggle-dock-right.svg");
}