:root {
  --ink: #10243f;
  --navy: #12385f;
  --teal: #16847b;
  --gold: #d9a532;
  --orange: #ee7623;
  --paper: #f7f5ed;
  --line: #dfe7ef;
  --muted: #5e7087;
}

.db-shell {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 22px;
  align-items: start;
}

.db-filter,
.db-main,
.db-card,
.db-detail,
.plan-box {
  background: #fff;
  border: 1px solid var(--line);
}

.db-filter {
  position: sticky;
  top: 86px;
  padding: 18px;
}

.db-filter h3,
.db-main h3,
.plan-box h3 {
  margin: 0 0 12px;
  font-size: 18px;
  font-family: "Noto Serif SC", "Songti SC", serif;
}

.db-field {
  margin-bottom: 12px;
}

.db-field label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.db-field input,
.db-field select {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  padding: 0 12px;
  color: var(--ink);
  background: #fbfdff;
  outline: none;
}

.db-field input:focus,
.db-field select:focus {
  border-color: var(--gold);
  background: #fff;
}

.db-reset,
.db-more,
.db-action,
.plan-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 15px;
  border: 0;
  background: var(--orange);
  color: #fff;
  font-weight: 900;
  cursor: pointer;
}

.db-reset {
  width: 100%;
  background: var(--navy);
}

.db-main {
  min-width: 0;
  padding: 18px;
}

.db-topline {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
}

.db-list {
  display: grid;
  gap: 14px;
}

.db-card {
  display: grid;
  grid-template-columns: 82px 1fr auto;
  gap: 16px;
  padding: 16px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}

.db-card:hover {
  transform: translateY(-2px);
  border-color: #d8c083;
  box-shadow: 0 16px 36px rgba(16, 36, 63, .1);
}

.school-logo {
  width: 70px;
  height: 70px;
  border: 1px solid var(--line);
  background: #fff;
  object-fit: contain;
  padding: 7px;
}

.db-card h3 {
  margin: 0;
  font-size: 21px;
}

.db-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 9px 0;
}

.db-meta span,
.major-pill,
.tag-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  background: #f0f5f9;
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
}

.db-intro {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.db-score {
  display: grid;
  grid-template-columns: repeat(2, minmax(112px, 1fr));
  gap: 8px;
  min-width: 250px;
}

.score-tile {
  padding: 9px;
  background: #fffdf7;
  border: 1px solid #eadab1;
  font-size: 12px;
}

.score-tile b {
  display: block;
  color: var(--orange);
  font-size: 18px;
}

.db-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.db-action.secondary {
  background: var(--teal);
}

.db-pagination {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 18px;
}

.db-pagination button {
  min-width: 40px;
  height: 36px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

.db-pagination button.active {
  background: var(--navy);
  color: #fff;
}

.plan-grid,
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 22px;
}

.plan-box,
.db-detail {
  padding: 22px;
}

.plan-form {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.plan-form .wide {
  grid-column: span 2;
}

.plan-result {
  margin-top: 18px;
}

.plan-group {
  margin-top: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.plan-group h4 {
  margin: 0;
  padding: 12px 14px;
  background: var(--navy);
  color: #fff;
}

.plan-row {
  display: grid;
  grid-template-columns: 1fr 130px 130px;
  gap: 12px;
  padding: 13px 14px;
  border-top: 1px solid var(--line);
  align-items: center;
}

.plan-row a {
  color: var(--navy);
  font-weight: 900;
}

.detail-head {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
  align-items: center;
}

.detail-head .school-logo {
  width: 92px;
  height: 92px;
}

.detail-head h1 {
  font-size: clamp(28px, 4vw, 44px);
}

.detail-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 22px 0 14px;
}

.detail-tabs button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 9px 14px;
  font-weight: 900;
  cursor: pointer;
}

.detail-tabs button.active {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

.major-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.major-pill {
  min-height: 38px;
  background: #f8fbfd;
}

.side-note {
  padding: 16px;
  background: var(--paper);
  border-left: 4px solid var(--gold);
  color: var(--muted);
}

@media (max-width: 980px) {
  .db-shell,
  .plan-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .db-filter {
    position: static;
  }
  .db-card {
    grid-template-columns: 68px 1fr;
  }
  .db-score {
    grid-column: 1 / -1;
    min-width: 0;
  }
  .plan-form {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .db-card,
  .detail-head,
  .plan-row,
  .plan-form {
    grid-template-columns: 1fr;
  }
  .plan-form .wide {
    grid-column: auto;
  }
  .major-list {
    grid-template-columns: 1fr;
  }
}