:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-muted: #f9fbff;
  --border: #dbe3ee;
  --border-strong: #c3d0e0;
  --text: #1d2a39;
  --text-soft: #556476;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --radius-sm: 12px;
  --row-hover: #eff6ff;
  --row-alt: #fbfdff;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1400px, calc(100% - 32px));
  margin: 24px auto 40px;
}

.page-header {
  margin-bottom: 20px;
}

.page-header h1 {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 2vw + 1rem, 2.6rem);
  line-height: 1.15;
  color: #102a43;
  text-align: center;
}

.page-subtitle {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
}

.filters-card,
.results-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.filters-card {
  padding: 22px;
  margin-bottom: 20px;
}

.filters-card-header {
  display: none;
}

.filters-title {
  display: none;
  margin: 0;
  font-size: 1.2rem;
}

.toggle-filters-btn {
  display: none;
}

.results-card {
  padding: 22px;
}

.results-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.results-toolbar h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.results-toolbar p {
  margin: 0;
  color: var(--text-soft);
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 18px;
  align-items: end;
}

.filter-group {
  min-width: 0;
}

.filter-action-group {
  display: flex;
  align-items: flex-end;
}

.filter-label,
.number-field label {
  display: inline-block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #243447;
}

.filter-trigger,
.text-input,
.number-field input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.filter-trigger,
.text-input {
  padding: 0 14px;
}

.text-input,
.number-field input {
  outline: none;
}

.filter-trigger:hover,
.text-input:hover,
.number-field input:hover {
  border-color: var(--border-strong);
}

.filter-trigger:focus,
.text-input:focus,
.number-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.filter-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-weight: 500;
}

.filter-trigger[aria-expanded="true"] {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.filter-trigger-icon {
  flex-shrink: 0;
  margin-left: 12px;
  color: var(--text-soft);
}

.field-help {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.filter-dropdown {
  position: relative;
}

.filter-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 20;
  width: min(440px, 92vw);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.16);
  padding: 16px;
}

.filter-panel-header {
  margin-bottom: 12px;
}

.filter-panel-actions,
.filter-panel-footer {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-panel-actions {
  margin-bottom: 12px;
}

.filter-panel-footer {
  margin-top: 14px;
  justify-content: flex-end;
}

.checkbox-list {
  max-height: 280px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-muted);
  padding: 8px;
}

.checkbox-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 8px;
  border-radius: 10px;
  cursor: pointer;
}

.checkbox-option:hover {
  background: #eef5ff;
}

.checkbox-option input {
  margin-top: 2px;
}

.checkbox-option span {
  line-height: 1.35;
}

.primary-btn,
.secondary-btn,
.text-btn {
  border-radius: 10px;
  border: 1px solid transparent;
  min-height: 40px;
  padding: 0 14px;
  font-weight: 600;
}

.primary-btn {
  background: var(--primary);
  color: #fff;
}

.primary-btn:hover {
  background: var(--primary-dark);
}

.secondary-btn {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}

.secondary-btn:hover {
  background: #f8fbff;
  border-color: var(--border-strong);
}

.clear-filters-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 16px;
  white-space: nowrap;
}

.button-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: currentColor;
}

.button-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.text-btn {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.text-btn:hover {
  background: #cfe1ff;
}

.note-group {
  display: flex;
  flex-direction: column;
}

.note-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.note-header-row .filter-label {
  margin-bottom: 0;
}

.note-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
}

.note-summary-separator {
  color: rgba(255, 255, 255, 0.8);
}

.range-slider {
  position: relative;
  min-height: 46px;
  display: flex;
  align-items: center;
}

.range-slider-track,
.range-slider-fill {
  position: absolute;
  left: 0;
  right: 0;
  height: 6px;
  border-radius: 999px;
}

.range-slider-track {
  background: #dbe3ee;
}

.range-slider-fill {
  right: auto;
  background: var(--primary);
}

.range-input {
  position: absolute;
  left: 0;
  width: 100%;
  height: 46px;
  margin: 0;
  pointer-events: none;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.range-input-min {
  z-index: 2;
}

.range-input-max {
  z-index: 3;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
  pointer-events: auto;
}

.range-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
  pointer-events: auto;
}

.range-input::-webkit-slider-runnable-track {
  height: 6px;
  background: transparent;
}

.range-input::-moz-range-track {
  height: 6px;
  background: transparent;
}

.range-input:focus {
  outline: none;
}

.range-input:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.16);
}

.range-input:focus::-moz-range-thumb {
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.16);
}

.results-count {
  font-weight: 600;
}

.status-message {
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #f8fbff;
  color: var(--text);
}

.status-message.error {
  background: var(--danger-bg);
  border-color: #fecaca;
  color: var(--danger);
}

.table-wrapper {
  overflow: auto;
  max-height: 55vh;
  border: 1px solid var(--border);
  border-radius: 14px;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 900px;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: #f3f7fd;
  color: #17324d;
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: 14px 16px;
  font-size: 0.96rem;
}

tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid #edf2f7;
  vertical-align: top;
}

tbody tr:nth-child(even) {
  background: var(--row-alt);
}

tbody tr:hover {
  background: var(--row-hover);
}

tbody td.note-cell {
  text-align: right;
  white-space: nowrap;
  font-weight: 700;
  width: 1%;
  padding-left: 10px;
  padding-right: 10px;
}

.university-name-short {
  display: none;
}

.note-column {
  width: 1%;
  white-space: nowrap;
  padding-left: 10px;
  padding-right: 10px;
}

.note-column .th-content {
  gap: 6px;
}

.th-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sort-controls {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
}

.sort-btn {
  width: 24px;
  height: 20px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #6b7b8d;
  font-size: 0.72rem;
  line-height: 1;
}

.sort-btn:hover {
  background: #e5eefb;
  color: var(--primary-dark);
}

.sort-btn.active {
  background: var(--primary);
  color: #fff;
}

.empty-state {
  margin-top: 16px;
  padding: 18px;
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: 14px;
  background: #fafcff;
  color: var(--text-soft);
  font-weight: 600;
}

.hidden {
  display: none !important;
}

@media (max-width: 1180px) {
  .filters-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-action-group {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }
}

@media (max-width: 960px) {
  .app-shell {
    width: min(100% - 20px, 1400px);
    margin: 16px auto 28px;
  }

  .filters-card,
  .results-card {
    padding: 16px;
  }

  .results-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .filters-grid {
    grid-template-columns: 1fr;
  }

  .filter-action-group {
    grid-column: auto;
  }

  .clear-filters-btn {
    width: 100%;
    justify-content: center;
  }

  .filters-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 0;
  }

  .toggle-filters-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .filters-title {
    display: block;
  }

  .filter-panel {
    width: min(100%, 92vw);
  }

  .filters-content {
    margin-top: 16px;
  }

  table {
    min-width: 620px;
  }

  thead th,
  tbody td {
    padding: 12px 10px;
  }

  .branch-column,
  .branch-cell {
    display: none;
  }

  .university-name-full {
    display: none;
  }

  .university-name-short {
    display: inline;
    white-space: nowrap;
  }

  .university-column,
  .university-cell {
    width: 72px;
    max-width: 72px;
  }

  .degree-column,
  .degree-cell {
    width: 220px;
    max-width: 220px;
  }

  .degree-cell {
    overflow-wrap: anywhere;
  }

  tbody td.note-cell {
    font-size: 0.95rem;
    padding-left: 8px;
    padding-right: 8px;
  }
}