/* The SIMS dashboard mockup (DESIGN 5.2). A fragment of the real product, inside data-ui:
   quiet borders and small labels are allowed here. Libre Franklin 400/500 at 13-15px.
   Layout reacts to the mockup's own width (container query), not the viewport. */

.sims {
  container: sims / inline-size;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 196px minmax(0, 1fr);
  width: min(92vw, 1120px);
  border-radius: var(--radius);
  background: #14110d;
  border: 1px solid var(--glass-line);
  overflow: hidden;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0;
  color: var(--ink);
  /* the furnace lights the lower edge */
  box-shadow: 0 30px 120px -40px rgba(245, 165, 36, 0.45);
  text-align: left;
}
@media (min-width: 1280px) {
  .sims { width: min(78vw, 1120px); aspect-ratio: 16 / 10; }
}

/* ---------- sidebar ---------- */
.sims__side {
  display: flex;
  flex-direction: column;
  padding: 22px 0 20px;
  border-right: 1px solid var(--glass-line); /* taste-skill-ignore: app chrome inside data-ui mockup */
  background: rgba(243, 237, 228, 0.015);
}
.sims__brand {
  padding: 0 22px 22px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.sims__nav { display: flex; flex-direction: column; gap: 2px; }
.sims__nav-item {
  position: relative;
  padding: 9px 22px;
  color: var(--muted);
  font-weight: 500;
}
.sims__nav-item.is-active {
  color: var(--ink);
  background: rgba(243, 237, 228, 0.05);
}
.sims__nav-item.is-active::before {
  content: "";
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}
.sims__offline {
  margin: auto 22px 0;
  padding-top: 20px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
}
.sims__dot {
  display: inline-block;
  width: 7px; height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--muted);
  vertical-align: 1px;
}

/* ---------- header ---------- */
.sims__main { display: flex; flex-direction: column; min-width: 0; }
.sims__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--glass-line); /* taste-skill-ignore: app chrome inside data-ui mockup */
}
.sims__school { display: flex; align-items: baseline; gap: 14px; min-width: 0; }
.sims__school-name { font-size: 15px; font-weight: 500; white-space: nowrap; }
.sims__session { color: var(--muted); white-space: nowrap; }
.sims__who { display: flex; align-items: center; gap: 14px; }
.sims__date { color: var(--muted); white-space: nowrap; }
.sims__avatar {
  display: grid; place-items: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(245, 165, 36, 0.16);
  color: var(--fire-core);
  font-size: 13px; font-weight: 500;
}

/* ---------- body ---------- */
.sims__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  min-height: 0;
  padding: 20px 24px 24px;
}
.sims__tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.sims__tile {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px 16px;
  border: 1px solid var(--glass-line);
  border-radius: 12px;
  background: rgba(243, 237, 228, 0.02);
  min-width: 0;
}
.sims__label { color: var(--muted); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sims__value {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.sims__unit { font-size: 15px; color: var(--muted); letter-spacing: 0; }
.sims__sub { color: var(--muted); font-size: 13px; }
.sims__meter {
  display: block;
  height: 4px;
  margin-top: 6px;
  border-radius: 4px;
  background: rgba(243, 237, 228, 0.08);
  overflow: hidden;
}
.sims__meter > span { display: block; width: var(--w); height: 100%; border-radius: 4px; background: rgba(243, 237, 228, 0.55); }

.sims__panels {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 12px;
  flex: 1;
  min-height: 0;
}
.sims__panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 16px 18px 14px;
  border: 1px solid var(--glass-line);
  border-radius: 12px;
  background: rgba(243, 237, 228, 0.02);
}
.sims__panel-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin-bottom: 14px;
}
.sims__panel-title { font-size: 15px; font-weight: 500; }
.sims__panel-note { color: var(--muted); font-size: 13px; white-space: nowrap; }

/* attendance chart */
.sims__plot {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  flex: 1;
  min-height: 190px;
}
.sims__col { display: flex; flex-direction: column; min-width: 0; }
.sims__track {
  position: relative;
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-top: 24px;
  border-bottom: 1px solid rgba(243, 237, 228, 0.16); /* taste-skill-ignore: app chrome inside data-ui mockup */
}
.sims__bar {
  position: relative;
  display: block;
  width: min(34px, 70%);
  height: calc((100% - 24px) * var(--h) / 100);
  border-radius: 4px 4px 0 0;
  background: rgba(165, 154, 140, 0.55);
  transform-origin: 50% 100%;
}
.sims__bar--today { background: var(--accent); }
.sims__num {
  position: absolute;
  left: 50%; bottom: calc(100% + 6px);
  transform: translateX(-50%);
  font-size: 13px; font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.sims__bar--today .sims__num { color: var(--ink); }
.sims__none { padding-bottom: 8px; color: var(--muted); }
.sims__day { padding-top: 8px; text-align: center; color: var(--muted); font-weight: 500; }
.sims__col--today .sims__day { color: var(--accent); }

/* fee vouchers table */
.sims__table { display: flex; flex-direction: column; flex: 1; }
.sims__tr {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px 84px 84px;
  align-items: center;
  column-gap: 10px;
  flex: 1;
  min-height: 40px;
  border-top: 1px solid var(--glass-line); /* taste-skill-ignore: app chrome inside data-ui mockup */
}
.sims__tr--head {
  flex: 0 0 auto;
  min-height: 32px;
  border-top: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}
.sims__student { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sims__cls, .sims__amt { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.sims__right { text-align: right; }
.sims__chip {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
}
.sims__chip--paid { background: rgba(243, 237, 228, 0.07); color: var(--muted); }
.sims__chip--unpaid { background: rgba(194, 65, 12, 0.22); color: #f4935a; }

/* ---------- medium: no room for the sidebar ---------- */
@container sims (max-width: 899px) {
  .sims__tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@container sims (max-width: 759px) {
  .sims__panels { grid-template-columns: minmax(0, 1fr); }
  .sims__plot { min-height: 200px; }
}
/* the grid itself changes via a viewport query (a container cannot restyle itself) */
@media (max-width: 900px) {
  .sims { grid-template-columns: minmax(0, 1fr); }
  .sims__side { display: none; }
}

/* ---------- phone: header, 2x2 tiles, three rows ---------- */
@media (max-width: 720px) {
  .sims { width: 92vw; font-size: 14px; }
  .sims__head { padding: 12px 16px; }
  .sims__session { display: none; }
  .sims__body { padding: 16px; gap: 12px; }
  .sims__tiles { gap: 8px; }
  .sims__tile { padding: 12px 12px 14px; }
  .sims__value { font-size: 22px; }
  .sims__unit { font-size: 13px; }
  .sims__label { font-size: 13px; white-space: normal; }
  .sims__panel { padding: 14px 14px 10px; }
  .sims__plot { min-height: 170px; gap: 4px; }
  .sims__tr { grid-template-columns: minmax(0, 1fr) 30px 76px; }
  .sims__tr > :nth-child(3) { display: none; }       /* amount column: the chip row stays legible at 358px */
  .sims__tr:nth-child(n+5) { display: none; }          /* header + three rows */
}