:root{
    --sidebar-w: 240px;
    --sidebar-w-collapsed: 64px;

    --blue: #1f4f6f;          /* primary blue used in screenshots */
    --blue-700: #173e57;
    --text: #0f172a;
    --muted: #6b7280;

    --bg: #ffffff;
    --line: #e5e7eb;

    --item-h: 44px;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 1px rgba(16,24,40,.04);

    --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
}

/* Layout container */
.app {
  height: 100vh;
  display: flex;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  border-right: 1px solid var(--line);
  background: #fff;
  display: flex;
  flex-direction: column;
  transition: width .18s ease;
}
.sidebar.collapsed {
  width: var(--sidebar-w-collapsed);
}

/* Header/logo row */
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}
.logo img {
  height: 40px;
  width: auto;
  display: block;
}

/* Toggle button (next to logo) */
.toggle-container {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
  transition: background .12s ease, transform .12s ease;
}

.toggle-container:hover {
  background: #f8fafc;
}

.toggle-container:active {
  transform: translateY(1px);
}

.toggle-icon {
  width: 18px;
  height: 18px;
  color: #334155;
}

/* Show correct icon depending on sidebar state */
.icon-collapsed {
  display: none;
}

.sidebar.collapsed .icon-expanded {
  display: none;
}

.sidebar.collapsed .icon-collapsed {
  display: block;
}

/* Menu section title */
.section-title {
  padding: 14px 16px 8px 16px;
  font-size: 12px;
  color: var(--muted);
}
.sidebar.collapsed .section-title {
  display: none;
}

/* Nav */
.nav {
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  height: var(--item-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  position: relative;
  user-select: none;
}
.nav-item:hover {
  background: #f1f5f9;
}

.nav-item .icon {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  color: #111827;
  opacity: .9;
}

.nav-item .label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 15px;
}

/* Active item styling like screenshot (blue pill with left indicator) */
.nav-item.active {
  background: var(--blue);
  color: #fff;
}
.nav-item.active .icon {
  color: #fff;
  opacity: 1;
}
.nav-item.active::before{
  content: "";
  position: absolute;
  left: -10px;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 4px;
  background: var(--blue-700);
}

/* Collapsed behavior: hide labels, center icons */
.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 0;
}
.sidebar.collapsed .nav-item .label {
  display: none;
}

/* Spacer pushes bottom area down */
.spacer { flex: 1; }

/* Bottom area */
.bottom {
  padding: 10px 12px 14px 12px;
  border-top: 1px solid var(--line);
}

.bottom .section-title-bottom {
  padding: 6px 4px 8px 4px;
  font-size: 12px;
  color: var(--muted);
}
.sidebar.collapsed .bottom .section-title-bottom {
  display: none;
}

.connect-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--text);
}
.connect-row:hover { background: #f1f5f9; }
.connect-row .icon { width: 20px; height: 20px; }

.sidebar.collapsed .connect-row .label {
  display: none;
}
.sidebar.collapsed .connect-row {
  justify-content: center;
  padding: 10px 0;
}

.login-btn {
  margin-top: 10px;
  width: 100%;
  height: 44px;
  border: 0;
  border-radius: 10px;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.login-btn:hover { background: var(--blue-700); }

.sidebar.collapsed .login-btn {
  height: 44px;
  width: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  padding: 0;
  margin-left: auto;
  margin-right: auto;
}
.sidebar.collapsed .login-btn span {
  display: none;
}
.login-btn .lock-icon {
  display: none;
  width: 18px;
  height: 18px;
}
.sidebar.collapsed .login-btn .lock-icon {
  display: block;
}

  /* Hide logo when sidebar is collapsed */
.sidebar.collapsed .logo {
  display: none;
}

/* Main content iframe area */
.main {
  flex: 1;
  min-width: 0; /* important for iframe to size correctly */
  background: #fff;
}
.main iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* Tooltip for collapsed items (optional but helpful) */
.sidebar.collapsed .nav-item[data-title]:hover::after,
.sidebar.collapsed .connect-row[data-title]:hover::after {
  content: attr(data-title);
  position: fixed;
  left: calc(var(--sidebar-w-collapsed) + 12px);
  background: #111827;
  color: #fff;
  font-size: 12px;
  padding: 6px 8px;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;
  transform: translateY(-50%);
  top: var(--tooltip-y, 0px);
}