/* ── University estimator ─────────────────────────────────────────── */

/* Query form */

.est-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
}

.est-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.est-hint {
  font-weight: 400;
  color: var(--text-muted);
}

.est-field > input,
.est-field > select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 1rem;
}

.est-field > input:focus,
.est-field > select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-primary);
}

.est-native-select {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

.est-score-control {
  display: grid;
  grid-template-columns: 52px 1fr 52px;
  align-items: center;
  min-height: 72px;
  padding: 8px;
  border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--border));
  border-radius: 18px;
  background: color-mix(in srgb, var(--primary) 3%, var(--bg-surface));
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.est-score-control:focus-within {
  border-color: var(--primary);
  box-shadow: var(--shadow-primary);
}

.est-score-control input {
  min-width: 0;
  padding: 0 10px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text-primary);
  font-size: clamp(1.8rem, 5vw, 2.65rem);
  font-weight: 800;
  text-align: center;
  font-variant-numeric: tabular-nums;
  -moz-appearance: textfield;
}

.est-score-control input::-webkit-inner-spin-button,
.est-score-control input::-webkit-outer-spin-button { appearance: none; margin: 0; }

.est-score-step {
  width: 44px;
  height: 44px;
  border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--border));
  border-radius: 12px;
  background: color-mix(in srgb, var(--primary) 7%, var(--bg-surface));
  color: var(--primary);
  font-size: 1.35rem;
  font-weight: 700;
  cursor: pointer;
}

.est-score-step:hover { background: color-mix(in srgb, var(--primary) 14%, var(--bg-surface)); }
.est-score-step:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 25%, transparent); }

.est-segmented {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.est-segment,
.est-subgroup-option {
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
}

.est-segment {
  min-height: 48px;
  padding: 10px;
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 700;
}

.est-segment:hover,
.est-subgroup-option:hover { border-color: color-mix(in srgb, var(--primary) 55%, var(--border)); }

.est-segment.is-selected,
.est-subgroup-option.is-selected {
  border-color: color-mix(in srgb, var(--primary) 65%, transparent);
  background: color-mix(in srgb, var(--primary) 13%, var(--bg-surface));
  color: var(--primary);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 12%, transparent);
}

.est-subgroup-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.est-subgroup-option {
  min-height: 68px;
  padding: 12px 16px;
  border-radius: 14px;
  text-align: center;
}

.est-subgroup-option[hidden] { display: none; }
.est-subgroup-option strong { display: block; font-size: .95rem; }
.est-subgroup-option span { display: block; margin-top: 4px; color: var(--text-muted); font-size: .76rem; }

.est-field-submit { align-self: stretch; }
.est-field-submit .btn {
  width: 100%;
  min-height: 52px;
  white-space: nowrap;
  font-size: 1rem;
}

.est-reset-badge {
  padding: 7px 13px;
  border: 1px solid color-mix(in srgb, var(--danger) 55%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--danger) 12%, var(--bg-card));
  color: var(--danger);
  font-size: .78rem;
  font-weight: 750;
  line-height: 1;
  cursor: pointer;
}

.est-reset-badge:hover {
  background: var(--danger);
  color: #fff;
}

.est-reset-badge:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--danger) 24%, transparent);
  outline-offset: 2px;
}

.est-alert {
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.est-alert-error {
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 45%, transparent);
  color: var(--text-primary);
}

.est-alert-warn {
  background: color-mix(in srgb, var(--warning) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--warning) 45%, transparent);
  color: var(--text-primary);
}

.est-error-list {
  margin: 0;
  padding-left: 18px;
}

/* Results */

.est-analysis {
  scroll-margin-top: 28px;
}

.est-analysis-loader {
  min-height: 390px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 36px 16px 12px;
  text-align: center;
}

.est-analysis-loader[hidden] {
  display: none;
}

.est-analysis-loader img {
  width: 640px;
  max-width: 100%;
  height: auto;
  display: block;
}

.est-analysis-loader p {
  margin: -14px 0 0;
  color: var(--text-secondary);
  font-size: .95rem;
  font-weight: 650;
}

.est-summary {
  color: var(--text-secondary);
  max-width: 640px;
  margin: 10px auto 0;
}

.est-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 18px;
}

.est-cards-unified {
  margin-top: 40px;
}

.est-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.est-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.est-card-uni {
  display: flex;
  align-items: center;
  gap: 12px;
}

.est-card-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.est-card-logo-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.est-card-uni-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.25;
}

.est-card-code {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.est-prob {
  margin-left: auto;
  text-align: right;
  flex-shrink: 0;
}

.est-prob-value {
  display: block;
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1;
}

.est-prob-reach .est-prob-value { color: var(--warning); }
.est-prob-match .est-prob-value { color: var(--primary); }
.est-prob-safe  .est-prob-value { color: var(--success); }

.est-prob-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.est-card-title {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.35;
}

.est-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.est-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.est-badge-track-free {
  background: color-mix(in srgb, var(--success) 14%, transparent);
  border-color: color-mix(in srgb, var(--success) 40%, transparent);
}

.est-badge-track-paid {
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  border-color: color-mix(in srgb, var(--primary) 35%, transparent);
}

.est-badge-borrowed {
  background: color-mix(in srgb, var(--warning) 14%, transparent);
  border-color: color-mix(in srgb, var(--warning) 45%, transparent);
  cursor: help;
}

.est-card-scores {
  display: flex;
  align-items: flex-end;
  gap: 18px;
  margin-top: auto;
}

.est-score-block {
  display: flex;
  flex-direction: column;
}

.est-score-value {
  font-size: 1.25rem;
  font-weight: 700;
}

.est-score-muted .est-score-value {
  color: var(--text-muted);
  font-weight: 600;
}

.est-score-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.est-sparkline {
  width: 92px;
  height: 34px;
  margin-left: auto;
}

.est-sparkline polyline {
  stroke: var(--primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.est-free-line {
  font-size: 0.82rem;
  color: var(--text-secondary);
  border-top: 1px dashed var(--border);
  padding-top: 10px;
}

.est-disclaimer {
  margin-top: 36px;
  padding: 16px 18px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Filters: simple multi-select dropdowns ────────────────────────
   One pattern for all six fields: a toggle button that opens a plain
   scrollable checkbox list anchored below it. Two columns on desktop,
   one on mobile. */

.est-filters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 16px 14px;
}

.est-ms { position: relative; }

.est-ms-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: .95rem;
  text-align: left;
  cursor: pointer;
}

.est-ms-toggle:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.est-ms-toggle:focus-visible,
.est-ms-toggle[aria-expanded="true"] {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-primary);
}

.est-ms-toggle.est-ms-active {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  color: var(--primary);
  font-weight: 600;
}

.est-ms-summary {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.est-ms-caret {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: var(--text-muted);
}

.est-ms-caret svg {
  width: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.est-ms-toggle[aria-expanded="true"] .est-ms-caret { transform: rotate(180deg); }

.est-ms-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 30;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.est-ms-panel[hidden] { display: none; }

.est-ms-options {
  max-height: 260px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 6px;
}

/* The rows are <label>s inside .est-field, whose global "label" rule
   (display:block, margin, muted color) has 0,1,1 specificity — the
   selector carries .est-ms-options to stay above it. */
.est-ms-options .est-ms-option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  margin: 0;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
}

.est-ms-options .est-ms-option:hover { background: var(--bg-subtle); }

.est-ms-option input {
  width: 18px;
  height: 18px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--primary);
  cursor: pointer;
}

.est-ms-option > span {
  min-width: 0;
  line-height: 1.35;
}

.est-ms-empty {
  padding: 12px 10px;
  color: var(--text-muted);
  font-size: .9rem;
  text-align: center;
}

/* ── Responsive ── */

@media (max-width: 560px) {
  .est-form-panel { padding-left: 16px; padding-right: 16px; }
  .est-segmented { gap: 7px; }
  .est-segment { min-height: 44px; padding: 8px 5px; font-size: .8rem; }
  .est-subgroup-options { grid-template-columns: 1fr; }
  .est-filters { grid-template-columns: 1fr; }
}