/* virtualQ Tools landing page — visual language mirrors the health dashboard. */
@font-face {
  font-family: 'Panton';
  src: url('./fonts/Panton-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Panton';
  src: url('./fonts/Panton-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Panton';
  src: url('./fonts/Panton-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

:root {
  --background: #f4f6fa;
  --foreground: #111827;
  --card: #ffffff;
  --card-foreground: #111827;
  --muted: #f1f5f9;
  --muted-foreground: #667085;
  --border: #dbe3ec;
  --border-strong: #c9d4df;
  --primary: #4a7b90;
  --primary-hover: #5d91a6;
  --primary-dark: #354855;
  --sidebar: #ffffff;
  --sidebar-accent: #f4f6f8;
  --radius: 8px;
  --header-height: 64px;
  --sidebar-width: 236px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 8px 24px rgba(15, 23, 42, 0.04);
  --font: 'Panton', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  color: var(--foreground);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* --- Shell --------------------------------------------------------------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  flex: 0 0 var(--sidebar-width);
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  gap: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 8px;
}
.sidebar-brand-mark {
  width: 32px;
  height: 32px;
}
.sidebar-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.sidebar-brand-text strong {
  font-weight: 700;
  font-size: 15px;
}
.sidebar-brand-text span {
  font-size: 12px;
  color: var(--muted-foreground);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--muted-foreground);
  font-size: 14px;
  font-weight: 600;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}
.nav-item:hover {
  background: var(--sidebar-accent);
  color: var(--foreground);
}
.nav-item.nav-item-active {
  background: var(--sidebar-accent);
  color: var(--primary);
}
.nav-icon {
  display: inline-flex;
}
.nav-icon svg {
  width: 18px;
  height: 18px;
}

/* --- Sidebar footer: sign out + signed-in user --------------------------- */
.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.nav-item-button {
  border: 0;
  background: none;
  width: 100%;
  font: inherit;
  cursor: pointer;
  text-align: left;
}
.sidebar-user {
  margin: 0;
  padding: 0 12px;
  font-size: 12px;
  color: var(--muted-foreground);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Frame + topbar ------------------------------------------------------ */
.app-frame {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 28px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted-foreground);
}
.breadcrumb strong {
  color: var(--foreground);
}
.topbar-right {
  margin-left: auto;
}
.lang-switch {
  font: inherit;
  font-size: 13px;
  padding: 6px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
  cursor: pointer;
}

.screen {
  flex: 1 1 auto;
  padding: 28px;
}
.screen-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.title-bar {
  margin-bottom: 24px;
}
.title-copy h1 {
  margin: 0 0 4px;
  font-size: 24px;
  font-weight: 700;
}
.title-copy p {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 14px;
}

/* --- Tool sections + tiles ----------------------------------------------- */
.tool-section {
  margin-bottom: 32px;
}
.tool-section:last-child {
  margin-bottom: 0;
}
.section-title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.tile {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition:
    transform 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}
.tile:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
}
.tile-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--sidebar-accent);
  color: var(--primary);
}
.tile-icon svg {
  width: 24px;
  height: 24px;
}
.tile-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.tile-name {
  font-size: 16px;
  font-weight: 700;
}
.tile-arrow {
  color: var(--muted-foreground);
}
.tile-arrow svg {
  width: 18px;
  height: 18px;
}

/* --- Empty state --------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 64px 24px;
  text-align: center;
  color: var(--muted-foreground);
  background: var(--card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}
.empty-icon svg {
  width: 48px;
  height: 48px;
  color: var(--border-strong);
}

/* --- Responsive nav ------------------------------------------------------ */
.burger {
  display: none;
  cursor: pointer;
  color: var(--foreground);
}
.burger svg {
  width: 22px;
  height: 22px;
}
.nav-backdrop {
  display: none;
}

@media (max-width: 820px) {
  .sidebar {
    position: fixed;
    z-index: 40;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }
  .nav-toggle:checked ~ .sidebar {
    transform: translateX(0);
  }
  .nav-toggle:checked ~ .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 30;
    background: rgba(15, 23, 42, 0.35);
  }
  .burger {
    display: inline-flex;
  }
}