/* Estimate panel and mobile sheet. Depends on the tokens defined in styles.css. */

/* --------------------------------------------------------------- results */

.results-panel { display: grid; gap: 0.9rem; min-width: 0; }
.sheet-body { display: grid; gap: 0.9rem; }

.gridlines,
.estimate,
.peek-row {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

.estimate {
  display: grid;
  gap: 1.35rem;
  padding: 1.75rem;
  background-color: var(--panel);
  color: var(--panel-text);
  border-radius: 24px;
  box-shadow: var(--shadow-panel);
}

.estimate .mono-muted { color: var(--panel-muted); }
.estimate-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }

.label {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--panel-muted);
}

.live { width: 7px; height: 7px; border-radius: 50%; background: #ff8a5b; animation: pulse 2s infinite; }

.estimate-hero { margin: 0; display: flex; align-items: flex-end; gap: 1rem; }

.estimate-points {
  font-family: var(--mono);
  font-size: clamp(5.5rem, 9vw, 8rem);
  font-weight: 600;
  line-height: 0.8;
  letter-spacing: -0.07em;
}

.estimate-side { display: flex; flex-direction: column; gap: 0.5rem; padding-bottom: 0.25rem; }
.estimate-unit { color: #cfcbc0; font-size: 0.94rem; }

.size-badge {
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.875rem;
  font-weight: 700;
}

.meter-track { position: relative; height: 6px; border-radius: 3px; background: var(--panel-raised); }

.meter-tick {
  position: absolute;
  top: -3px;
  bottom: -3px;
  left: calc(var(--at) * 100%);
  width: 1px;
  background: #4a4943;
}

.meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--norm, 0) * 100%);
  border-radius: 3px;
  background: linear-gradient(90deg, rgba(255, 90, 31, 0.25), var(--accent));
  transition: width 0.55s var(--spring);
}

.meter-marker {
  position: absolute;
  top: 50%;
  left: calc(var(--norm, 0) * 100%);
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 3px var(--accent), 0 0 16px var(--accent-glow);
  transition: left 0.55s var(--spring);
}

.meter-legend {
  margin: 0.5rem 0 0;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--panel-faint);
}

.meter-legend span:last-child { color: #e7e4da; }

.ribbon {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 4px;
}

/* The current band is one glowing marker that glides along the scale. */
.ribbon::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: calc((100% - 28px) / 8);
  border-radius: 10px;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 28px var(--accent-glow);
  transform: translateX(calc(var(--band, 3) * (100% + 4px)));
  transition: transform 0.5s var(--spring);
}

.band {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  height: 52px;
  border: 1px solid var(--panel-line);
  border-radius: 10px;
  color: var(--panel-faint);
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.band.in-range { background: var(--panel-raised); color: var(--panel-text); border-color: #3a3933; }
.band.is-current { color: var(--on-accent); border-color: transparent; }
.band-points { font-family: var(--mono); font-size: 0.875rem; font-weight: 600; }
.band-size { font-size: 0.625rem; font-weight: 500; opacity: 0.8; }

.rule {
  margin: 0;
  padding: 0.75rem 0.9rem;
  background: rgba(255, 90, 31, 0.12);
  border: 1px solid rgba(255, 90, 31, 0.35);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  line-height: 1.45;
  color: #ffd9c9;
  animation: rise 0.4s ease both;
}

.estimate-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr)); gap: 0.5rem; }
.btn-label { white-space: nowrap; }

.card {
  display: grid;
  gap: 1rem;
  padding: 1.4rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card-head { display: flex; justify-content: space-between; align-items: baseline; }
.card h3 { margin: 0; font-size: 0.94rem; font-weight: 600; }

.drivers, .chart { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.85rem; }
.driver-row { display: flex; justify-content: space-between; gap: 0.75rem; font-size: 0.875rem; }
.driver-word { color: var(--text-faint); }
.driver-pct { font-family: var(--mono); font-weight: 600; }
.driver--none { font-size: 0.875rem; color: var(--text-faint); }

.bar-track, .contrib-track {
  display: block;
  height: 6px;
  margin-top: 0.4rem;
  border-radius: 3px;
  background: var(--surface-alt);
  overflow: hidden;
}

.bar, .contrib-bar {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width 0.55s var(--ease-out);
}

.breakdown summary { min-height: 44px; justify-content: flex-start; gap: 0.4rem; font-size: 0.82rem; color: var(--text-muted); }
.breakdown .chart { margin-top: 0.85rem; gap: 0.4rem; animation: rise 0.3s ease both; }

.contrib {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 4rem 2.8rem;
  align-items: center;
  column-gap: 0.6rem;
  font-size: 0.78rem;
}

.contrib-label { color: var(--text-muted); line-height: 1.3; }
.contrib-track { margin-top: 0; height: 3px; }

/* Narrow phones: label and share share a line, the bar runs underneath. */
@media (max-width: 479px) {
  .contrib { grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; }
  .contrib-track { grid-column: 1 / -1; order: 3; margin-top: 0.3rem; }
}
.contrib-pct { text-align: right; font-family: var(--mono); color: var(--text-muted); }

#reset { justify-self: center; }

/* ------------------------------------------------------------ bottom sheet */

/* Desktop: the peek bar is not needed, the panel is a plain sidebar. */
.sheet-peek { display: none; }
.sheet-backdrop { display: none; }

@media (max-width: 959px) {
  .results-panel {
    --peek-height: calc(6rem + env(safe-area-inset-bottom));
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 950;
    gap: 0;
    --sheet-max: calc(90dvh - var(--consent-h, 0px));
    max-height: var(--sheet-max);
    padding-bottom: env(safe-area-inset-bottom);
    color: var(--panel-text);
    border-radius: 28px 28px 0 0;
    background: transparent;
    /* Collapsed: only the floating bar sits above the fold. */
    transform: translateY(calc(100% - var(--peek-height)));
    transition: transform 0.45s cubic-bezier(0.2, 0.95, 0.25, 1.05), background-color 0.3s ease;
    animation: none;
    overscroll-behavior: contain;

    /* Inside the sheet every surface takes the graphite panel palette. */
    --surface: var(--panel-raised);
    --surface-alt: var(--panel);
    --border: var(--panel-line);
    --text: var(--panel-text);
    --text-muted: var(--panel-muted);
    --text-faint: var(--panel-muted);
  }

  .results-panel[data-open='true'] {
    transform: translateY(0);
    background-color: var(--panel);
    box-shadow: 0 -20px 60px rgba(22, 21, 15, 0.3);
  }

  .sheet-peek {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: none;
    border: 0;
    text-align: left;
    cursor: pointer;
  }

  .grabber {
    display: none;
    width: 2.5rem;
    height: 5px;
    margin: 0 auto 0.25rem;
    border-radius: 3px;
    background: var(--panel-line);
  }

  .peek-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    height: 72px;
    padding: 0 0.75rem 0 1.25rem;
    border-radius: 22px;
    background-color: var(--panel);
    box-shadow: 0 16px 40px rgba(22, 21, 15, 0.28), inset 0 0 0 1px rgba(255, 255, 255, 0.06);
    transition: height 0.3s ease, box-shadow 0.3s ease;
  }

  .peek-points {
    min-width: 3rem;
    font-family: var(--mono);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.06em;
  }

  .peek-meta { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 0; }
  .peek-line { display: flex; align-items: center; gap: 0.4rem; font-size: 0.875rem; font-weight: 500; }
  .peek-line .size-badge { font-size: 0.75rem; padding: 2px 7px; border-radius: 6px; }
  .peek-range { font-family: var(--mono); font-size: 0.7rem; color: var(--panel-muted); }

  .peek-hint {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    height: 48px;
    padding: 0 1rem;
    border-radius: 14px;
    background: var(--panel-raised);
    font-size: 0.875rem;
    font-weight: 500;
  }

  .peek-hint-open { display: none; }

  .results-panel[data-open='true'] .grabber { display: block; }
  .results-panel[data-open='true'] .peek-row { height: 52px; background: none; box-shadow: none; justify-content: flex-end; }
  .results-panel[data-open='true'] .peek-points,
  .results-panel[data-open='true'] .peek-meta,
  .results-panel[data-open='true'] .peek-hint-closed { display: none; }
  .results-panel[data-open='true'] .peek-hint-open { display: inline; }
  .results-panel[data-open='true'] .peek-hint svg { transform: rotate(180deg); }

  /* A tap on a factor visibly moves the number, even while collapsed. */
  .results-panel[data-bump] .peek-row { animation: ripple 0.7s ease-out; }

  /* Sit above the consent bar while it is showing, instead of under it. */
  body.consent-open .results-panel { bottom: var(--consent-h, 0px); }

  .sheet-body {
    max-height: calc(var(--sheet-max) - 5.5rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0 1.25rem;
    opacity: 0;
    transition: opacity 0.25s ease;
  }

  .results-panel[data-open='true'] .sheet-body { opacity: 1; }

  /* The estimate card dissolves into the sheet so its actions can pin to the
     sheet's bottom edge while the breakdown scrolls above them. */
  .estimate { display: contents; }
  .sheet-body > .card, #reset { order: 1; }

  .estimate-actions {
    order: 2;
    position: sticky;
    bottom: 0;
    z-index: 1;
    margin: 0 -1.25rem;
    padding: 0.75rem 1.25rem;
    background: var(--panel);
    border-top: 1px solid var(--panel-line);
  }
  .estimate-points { font-size: 6.5rem; }

  .sheet-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 940;
    background: rgba(22, 21, 15, 0.4);
    backdrop-filter: blur(4px);
    animation: fade-in 0.25s ease-out;
  }

  .sheet-backdrop[hidden] { display: none; }

  /* Keep the last factor reachable above the collapsed sheet. */
  body { padding-bottom: 7rem; }
  body.sheet-open { overflow: hidden; }
}

@keyframes ripple {
  from { box-shadow: 0 16px 40px rgba(22, 21, 15, 0.28), 0 0 0 0 rgba(255, 90, 31, 0.7); }
  to { box-shadow: 0 16px 40px rgba(22, 21, 15, 0.28), 0 0 0 12px rgba(255, 90, 31, 0); }
}

/* Tablets: a centred sheet instead of one stretched edge to edge. */
@media (min-width: 640px) and (max-width: 959px) {
  .results-panel { max-width: 40rem; margin-inline: auto; }
}

/* Landscape phones: give the open sheet's content the room, not its chrome. */
@media (max-width: 959px) and (max-height: 500px) {
  .results-panel[data-open='true'] .grabber { display: none; }
  .results-panel[data-open='true'] .sheet-peek { padding: 0.25rem 0.75rem; }
  .results-panel[data-open='true'] .peek-row { height: 44px; }
  .results-panel[data-open='true'] .peek-hint { height: 40px; }
  .sheet-body { max-height: calc(var(--sheet-max) - 3.25rem); }
  .estimate-actions { padding-block: 0.5rem; }
  .estimate-points { font-size: 4.5rem; }
}