* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
}

/* Display face for headings, figures and the buddy's voice (09-design-system).
   Numbers are display face, heavier than their label, and always larger —
   financial figures are the thing people look for. */
h1, h2, h3, .title, .section-title, .journal-total, .budget-row-amt,
.journal-amount, .obs-figure, .cmp-val, .topbar-status {
  font-family: var(--font-display);
}

.page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 420px 390px;
  gap: 26px;
  align-items: start;
  justify-content: center;
  padding: 24px;
}

/* Phone frame */
.phone {
  width: 390px;
  height: 820px;
  max-height: calc(100vh - 48px);
  background: var(--phone);
  border-radius: 38px;
  padding: 14px;
  box-shadow: 0 24px 70px rgba(43, 39, 35, .22);
  position: sticky;
  top: 24px;
}

.screen {
  height: 100%;
  background: var(--screen);
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  color: var(--text);
}

.screen-scroll {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--topbar-h);
  bottom: var(--nav-h);
  overflow-y: auto;
  padding: 18px;
}

/* Chrome-absent variants. render() toggles these; nothing sets inline px. */
.screen-scroll.no-topbar { top: 0; }
.screen-scroll.no-nav    { bottom: 0; }

/* ─── Shared top bar (L5) ────────────────────────────────────────────────────
   Fixed to the top of the phone screen, above the scrolling content. */
.topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 8px;
  background: var(--screen);
  border-bottom: 1px solid var(--line);
  z-index: 5;
}

/* Full-bleed screens get the back control only — no status strip competing
   with a focused flow. Transparent so the scene shows through. */
.topbar-bare {
  background: transparent;
  border-bottom: 0;
}

.topbar-btn {
  width: 44px;              /* design-system tap-target floor */
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  border-radius: 12px;
}
.topbar-btn:hover { background: var(--soft); }

/* Keeps the status strip centred when a side has no button. */
.topbar-slot { width: 44px; height: 44px; flex-shrink: 0; }

.topbar-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 850;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
}
.topbar-stat { display: inline-flex; align-items: center; gap: 3px; }
.topbar-ico  { font-size: 12px; }
.topbar-dot  { color: var(--muted); font-weight: 400; }

/* Half-screen overlay for system info (03-home-daily-loop). */
.topbar-menu-scrim {
  position: absolute;
  inset: 0;
  background: rgba(16, 24, 40, .34);
  z-index: 8;
}
.topbar-menu {
  position: absolute;
  top: 0; left: 0; right: 0;
  min-height: 46%;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  border-radius: 0 0 22px 22px;
  padding: 18px;
  z-index: 9;
  box-shadow: 0 12px 40px rgba(16, 24, 40, .18);
}

.screen-scroll.lesson-mode {
  padding: 0;
  overflow: hidden;
  bottom: 0;
  top: 0;       /* extend past tab bar — nav is hidden when lesson is active */
}

.screen-scroll.streak-mode {
  padding: 0;
  overflow: hidden;
  bottom: 0;
  top: 0;       /* full-bleed branded splash — nav is hidden on the streak screen */
}

.screen-scroll.chat-mode {
  padding: 0;
  overflow: hidden;
  bottom: 0;
  top: 0;       /* nav is hidden on chat — the input bar sits on the bottom edge */
  /* The chat shell owns its own scrolling: the thread scrolls, the chips and
     input bar stay pinned. See .chat-shell in components.css. */
}

/* Bottom nav */
.bottom-tabs {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--nav-h);
  padding: 10px 10px 14px;
  background: var(--screen);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 850;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.tab.active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Admin panel */
.admin {
  /* Chrome, not product — see the two scopes in variables.css */
  height: 820px;
  max-height: calc(100vh - 48px);
  background: rgba(255, 255, 255, .82);
  border: 1px solid var(--chrome-line);
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(16, 24, 40, .08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 24px;
}

.admin-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--chrome-line);
  background: var(--chrome-card);
  color: var(--chrome-text);
}

.admin-title {
  margin: 0;
  font-size: 16px;
  font-weight: 850;
}

.admin-subtitle {
  margin: 5px 0 0;
  font-size: 12px;
  color: var(--chrome-muted);
  line-height: 1.35;
}

.admin-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

/* Admin collapse */
.page.admin-collapsed {
  grid-template-columns: 420px;
}
.page.admin-collapsed .admin {
  /* Chrome, not product — see the two scopes in variables.css */
  display: none;
}

.admin-collapse-btn {
  border: 0;
  background: transparent;
  color: var(--chrome-muted);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  flex-shrink: 0;
}
.admin-collapse-btn:hover {
  color: var(--chrome-text);
}

.admin-expand-tab {
  display: none; /* shown via JS when collapsed */
  position: fixed;
  right: 16px;
  top: 24px;
  width: 28px;
  height: 48px;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--chrome-line);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(16, 24, 40, .1);
  font-size: 16px;
  font-weight: 700;
  color: var(--chrome-muted);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.admin-expand-tab:hover {
  color: var(--chrome-text);
}

/* Responsive */
@media (max-width: 900px) {
  .page {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  .admin {
    width: 390px;
    max-width: 100%;
    position: relative;
    top: auto;
  }
  .phone {
    position: relative;
    top: auto;
  }
}

@media (max-width: 768px) {
  .admin {
    display: none !important;
  }
  #adminExpandTab {
    display: none !important;
  }
}

/* ─── Responsive grid utility ────────────────────────────────────────────────
   .summary-grid: 3-col by default, collapses to 2-col on very narrow screens */
.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

@media (max-width: 400px) {
  .summary-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ─── Scroll indicators ───────────────────────────────────────────────────────
   Mobile-app-style overlay look: thin rounded thumb, no track, no arrow
   buttons. Applies to every scrollable container (phone screen, chat thread,
   admin panel). Chromium/WebKit takes the pseudo-element rules; Firefox
   (no ::-webkit-scrollbar support) gets the standard thin-scrollbar props
   via @supports so the two rule sets never fight in one engine. */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-corner { background: transparent; }
::-webkit-scrollbar-button { display: none; width: 0; height: 0; }
::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border-radius: 99px;
}

@supports not selector(::-webkit-scrollbar) {
  * {
    scrollbar-width: thin;
    scrollbar-color: var(--scroll-thumb) transparent;
  }
}

/* Money Journal — full-bleed, one question at a time. Zeroes both offsets. */
.screen-scroll.journal-mode {
  padding: 0;
  top: var(--topbar-h);   /* keeps the bare back bar; nav is hidden */
  bottom: 0;
}

/* THE HIDDEN BAR STILL RESERVED ITS HEIGHT.
   `.screen-scroll.no-topbar` (line 61) and `.screen-scroll.journal-mode` above
   are both (0,2,0), so the later one wins on source order alone -- and the later
   one is the journal rule. Onboarding is journal-mode, so with its bar hidden it
   kept a 52px empty strip across the top of every step.

   Needs BOTH classes to outrank the rule above it. Onboarding is currently the
   only screen that is journal-mode AND has its bar hidden; sweep.js asserts that
   stays true, so a screen joining both lists is a failure rather than a
   surprise band of nothing. */
.screen-scroll.journal-mode.no-topbar { top: 0; }

/* Login is a full-bleed scene — the bare top bar floats over it. */
.screen-scroll.login-mode { padding: 0; bottom: 0; }

/* Daily update — full-bleed, the one place motion is orchestrated. */
.screen-scroll.du-mode { padding: 0; bottom: 0; }