/* app-ui.css — application shell (mobile-first) in the Gigantic language: cream
   paper canvas, flat white cards with 1px ink borders, all-caps wide-tracked
   labels, ink actions, one loud red accent. No shadows, no gradients, 0px
   radius. Loaded by every in-app screen. */

:root {
  --hair: rgba(35, 31, 32, 0.16);
  --hair-strong: var(--color-ink);
  --tabbar-h: 62px;
}

/* App container — phone-width on a cream page */
.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100svh;
  background: var(--color-cream);
  border-left: 1px solid var(--color-hairline);
  border-right: 1px solid var(--color-hairline);
  padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px) + 12px);
  position: relative;
}

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px var(--edge-pad) 14px;
  background: var(--color-cream);
  border-bottom: 1px solid var(--color-ink);
}
.topbar__title { font-family: var(--font-display); font-size: 14px; font-weight: var(--weight-bold); letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-ink); }
.topbar__spark { display: inline-flex; align-items: center; gap: 8px; }

/* Screen padding + section rhythm */
.screen { padding: 22px var(--edge-pad) 8px; }
.stack > * + * { margin-top: var(--element-gap); }
.section-label { font-family: var(--font-display); font-size: 12px; font-weight: var(--weight-medium); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-red); margin-bottom: 14px; }

/* Display headings — oversized, heavy, wide-tracked, all-caps */
.h-display { font-family: var(--font-display); font-weight: var(--weight-bold); font-size: clamp(38px, 12vw, 56px); line-height: 0.96; letter-spacing: 0.02em; text-transform: uppercase; color: var(--color-ink); }
.h-title { font-family: var(--font-display); font-weight: var(--weight-bold); font-size: 23px; line-height: 1.1; letter-spacing: 0.03em; text-transform: uppercase; color: var(--color-ink); }
.mark { height: 3px; width: 40px; background: var(--color-red); margin-top: 12px; }

/* Cards — flat white, ink border */
.card { background: var(--color-white); border: 1px solid var(--color-ink); border-radius: 0; padding: var(--card-padding); }
.card--tap { transition: background 120ms linear; }
.card--tap:active { background: var(--color-cream); }
.card__eyebrow { font-family: var(--font-display); font-size: 11px; font-weight: var(--weight-medium); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-red); }

/* Stat tiles */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--color-ink); overflow: hidden; }
.stat { background: var(--color-white); padding: 16px 14px; border-left: 1px solid var(--color-ink); }
.stat:first-child { border-left: none; }
.stat__num { font-family: var(--font-display); font-weight: var(--weight-bold); font-size: 26px; line-height: 1; letter-spacing: 0.02em; color: var(--color-ink); }
.stat__label { font-family: var(--font-display); font-size: 11px; font-weight: var(--weight-medium); letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-ash); margin-top: 6px; }

/* Progress meter — red fill on an ink-hairline track (decorative accent) */
.meter { height: 6px; background: var(--color-cream); border: 1px solid var(--color-ink); overflow: hidden; }
.meter__fill { height: 100%; background: var(--color-red); }
.meter-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.meter-row .caption { color: var(--color-ash); }

/* List rows — flat white panel, ink separators */
.rows { background: var(--color-white); border: 1px solid var(--color-ink); overflow: hidden; }
.row { display: flex; align-items: center; gap: 14px; padding: 15px var(--card-padding); border-top: 1px solid var(--color-ink); min-height: 58px; }
.row:first-child { border-top: none; }
.row__body { flex: 1; min-width: 0; }
.row__title { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: 15px; letter-spacing: 0.01em; color: var(--color-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row__sub { font-family: var(--font-display); font-size: 11px; font-weight: var(--weight-medium); letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-ash); margin-top: 4px; }
.row__meta { font-family: var(--font-display); font-size: 13px; font-weight: var(--weight-medium); letter-spacing: 0.03em; color: var(--color-ink); white-space: nowrap; }
.row__glyph { width: 38px; height: 38px; display: grid; place-items: center; background: var(--color-cream); border: 1px solid var(--color-ink); font-size: 16px; flex: none; }

/* Pills / tags — flat rectangles, ink outline */
.pill { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-display); font-size: 11px; font-weight: var(--weight-medium); letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-ink); border: 1px solid var(--color-ink); border-radius: 0; padding: 6px 12px; }
.pill--done { color: var(--color-white); background: var(--color-ink); }

/* Segmented control */
.segbar { display: inline-flex; gap: 0; border: 1px solid var(--color-ink); width: 100%; }
.seg { flex: 1; text-align: center; font-family: var(--font-display); font-size: 12px; font-weight: var(--weight-medium); letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-ink); padding: 11px 12px; border: none; border-left: 1px solid var(--color-ink); background: transparent; transition: background 120ms linear, color 120ms linear; }
.seg:first-child { border-left: none; }
.seg[aria-selected='true'], .seg.is-active { background: var(--color-ink); color: var(--color-white); }

/* Forms */
.field { display: block; margin-bottom: 18px; }
.field__label { display: block; font-family: var(--font-display); font-size: 12px; font-weight: var(--weight-medium); letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-ink); margin-bottom: 9px; }
.input {
  width: 100%; background: var(--color-white); color: var(--color-ink);
  font-family: var(--font-display); font-size: 15px; letter-spacing: 0.02em;
  padding: 14px 15px; border: 1px solid var(--color-ink); border-radius: 0;
  outline: none; transition: border-color 120ms linear;
}
.input:focus { border-color: var(--color-red); }
.input::placeholder { color: var(--color-slate); }

.btn--block { width: 100%; padding: 16px 24px; }
.btn:disabled { opacity: 0.35; pointer-events: none; }
.formnote { font-family: var(--font-display); font-size: 13px; letter-spacing: 0.03em; color: var(--color-ash); text-align: center; margin-top: 18px; }
.formnote a { color: var(--color-ink); font-weight: var(--weight-medium); border-bottom: 2px solid var(--color-red); }
.error { font-family: var(--font-display); font-size: 13px; letter-spacing: 0.02em; color: var(--color-ink); background: var(--color-white); border: 1px solid var(--color-ink); border-left: 4px solid var(--color-red); border-radius: 0; padding: 12px 14px; margin-bottom: 18px; }
.error:empty { display: none; }

/* Bottom tab bar — flat, full-width, ink top border (not floating) */
.tabbar {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 0;
  width: 100%; max-width: 480px; z-index: 60;
  display: grid; grid-template-columns: repeat(6, 1fr);
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--color-cream);
  border-top: 1px solid var(--color-ink);
}
.tab { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; color: var(--color-ash); text-decoration: none; border-top: 3px solid transparent; }
.tab__glyph { font-size: 16px; line-height: 1; }
.tab__label { font-family: var(--font-display); font-size: 10px; font-weight: var(--weight-medium); letter-spacing: 0.05em; text-transform: uppercase; }
.tab[aria-current='page'] { color: var(--color-ink); border-top-color: var(--color-red); }

/* Centered auth layout */
.auth { display: flex; flex-direction: column; justify-content: center; min-height: 100svh; padding: 40px var(--edge-pad); }
.loading { font-family: var(--font-display); font-size: 13px; font-weight: var(--weight-medium); letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-ash); padding: 24px var(--edge-pad); }