/*
 * Nova Kit — Base & Reset
 * Foundational element styling and the mobile "app canvas" layout shared by every page.
 */

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

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font);
  font-size: var(--fs-md);
  line-height: 1.4;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

[dir="rtl"] { direction: rtl; }

h1, h2, h3, h4, p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img, svg { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }
input, select, textarea { font-family: inherit; font-size: var(--fs-md); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* App canvas — a phone-width column centred in the viewport. On real phones the screen is
   narrower than --app-max-width, so it fills edge-to-edge (native app feel). On desktop/tablet
   browsers it caps to the phone width and centres, with a soft backdrop + frame (see the media
   query below) so the mobile UI reads as an intentional device, not a stretched page.
   padding-bottom clears the fixed tab bar. */
.app {
  position: relative;
  width: 100%;
  max-width: var(--app-max-width);
  min-height: 100vh;
  margin: 0 auto;
  background: var(--bg);
  padding-bottom: 80px;
}
.app--no-nav { padding-bottom: 0; }

/* Framed phone column on wider screens. Below this width the column already fills the screen,
   so no frame is needed. */
@media (min-width: 520px) {
  body { background: var(--app-backdrop); }
  .app {
    box-shadow: 0 0 0 1px var(--border), 0 24px 70px rgba(15, 30, 50, 0.16);
  }
}

.screen { display: block; }
.screen--no-tabbar { }

.container { padding-inline: var(--space-4); }

/* Utility */
.stack   { display: flex; flex-direction: column; }
.row     { display: flex; align-items: center; }
.row-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: var(--space-1); } .gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); } .gap-4 { gap: var(--space-4); }
.muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-faint { color: var(--text-faint); }
.faint { color: var(--text-faint); }
.text-sm { font-size: var(--fs-sm); }
.text-lg { font-size: var(--fs-lg); }
.semibold { font-weight: var(--fw-semibold); }
.bold { font-weight: var(--fw-bold); }
.grow { flex: 1; }
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Screen-reader-friendly loading shimmer base */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}