.improvements-page {
  --imp-navy: #082a52;
  --imp-blue: #0b67b2;
  --imp-sky: #e9f5ff;
  --imp-ink: #152334;
  --imp-muted: #637286;
  --imp-line: #dce5ef;
  --imp-critical: #b42318;
  --imp-high: #d97706;
  --imp-medium: #2563a7;
  --imp-low: #5f6b7a;
  display: grid;
  gap: 18px;
}

.improvements-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr);
  gap: 22px;
  padding: 26px;
  color: #fff;
  border-radius: 18px;
  background:
    radial-gradient(circle at 92% 16%, rgba(83, 191, 255, .42), transparent 25%),
    linear-gradient(128deg, #071f3f 0%, #0a447c 62%, #0877b8 100%);
  box-shadow: 0 18px 42px rgba(8, 42, 82, .18);
}

.improvements-hero::after {
  content: "";
  position: absolute;
  right: -75px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(255,255,255,.05), 0 0 0 68px rgba(255,255,255,.035);
}

.improvements-eyebrow {
  margin: 0 0 7px;
  color: #9edcff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.improvements-hero h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(28px, 3vw, 43px);
  line-height: 1.05;
}

.improvements-hero-copy {
  max-width: 720px;
  margin: 12px 0 0;
  color: rgba(255,255,255,.8);
  font-size: 15px;
  line-height: 1.55;
}

.improvements-score {
  align-self: center;
  position: relative;
  z-index: 1;
  padding: 18px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 15px;
  background: rgba(1, 21, 42, .3);
  backdrop-filter: blur(9px);
}

.improvements-score strong {
  display: block;
  font-size: 34px;
  line-height: 1;
}

.improvements-score span {
  display: block;
  margin-top: 8px;
  color: rgba(255,255,255,.75);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.improvements-score-bar {
  height: 7px;
  margin-top: 14px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255,255,255,.15);
}

.improvements-score-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ffca55, #65dfb1);
}

.improvements-toolbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr)) minmax(210px, 1.4fr);
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--imp-line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 9px 24px rgba(21, 35, 52, .05);
}

.improvements-field {
  display: grid;
  gap: 6px;
}

.improvements-field span {
  color: var(--imp-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.improvements-field select,
.improvements-field input {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  color: var(--imp-ink);
  border: 1px solid #cfd9e5;
  border-radius: 10px;
  background: #fff;
  font: inherit;
}

.improvements-field select:focus,
.improvements-field input:focus {
  outline: 3px solid rgba(11, 103, 178, .14);
  border-color: var(--imp-blue);
}

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

.improvements-metric {
  padding: 16px 18px;
  border: 1px solid var(--imp-line);
  border-radius: 14px;
  background: #fff;
}

.improvements-metric strong {
  display: block;
  color: var(--imp-navy);
  font-size: 25px;
}

.improvements-metric span {
  color: var(--imp-muted);
  font-size: 12px;
}

.improvements-list-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.improvements-list-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.improvements-batch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--imp-line);
  border-radius: 10px;
  background: #f4f8fc;
  font-size: 11px;
  color: var(--imp-muted);
}

.improvements-batch span {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.improvements-batch select {
  min-height: 36px;
  border: 1px solid #cfd9e5;
  border-radius: 8px;
  padding: 0 10px;
  font: inherit;
}

.improvements-list-head h2 {
  margin: 0;
  color: var(--imp-ink);
  font-size: 21px;
}

.improvements-list-head p {
  margin: 4px 0 0;
  color: var(--imp-muted);
  font-size: 13px;
}

.improvements-reset {
  padding: 9px 12px;
  color: var(--imp-blue);
  border: 1px solid #b9d1e5;
  border-radius: 9px;
  background: var(--imp-sky);
  font-weight: 750;
  cursor: pointer;
}

.improvements-list {
  display: grid;
  gap: 11px;
}

.improvement-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) minmax(165px, .28fr);
  gap: 16px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--imp-line);
  border-left: 5px solid var(--imp-medium);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 7px 20px rgba(21, 35, 52, .045);
}

.improvement-card[data-priority="Critical"] { border-left-color: var(--imp-critical); }
.improvement-card[data-priority="High"] { border-left-color: var(--imp-high); }
.improvement-card[data-priority="Low"] { border-left-color: var(--imp-low); }

.improvement-rank {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--imp-navy);
  border-radius: 12px;
  background: #edf4fa;
  font-size: 13px;
  font-weight: 900;
}

.improvement-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 8px;
}

.improvement-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  color: #425267;
  background: #edf2f7;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .035em;
  text-transform: uppercase;
}

.improvement-pill.priority-critical { color: #991b1b; background: #fee7e5; }
.improvement-pill.priority-high { color: #9a4d00; background: #fff0d6; }
.improvement-pill.priority-medium { color: #14568f; background: #e4f2ff; }
.improvement-pill.priority-low { color: #4b5563; background: #edf0f3; }
.improvement-pill.workflow { color: #075985; background: #e0f2fe; }
.improvement-pill.technical { color: #166534; background: #dcfce7; }

.improvement-card h3 {
  margin: 0;
  color: var(--imp-ink);
  font-size: 16px;
  line-height: 1.3;
}

.improvement-card p {
  margin: 7px 0 0;
  color: #536276;
  font-size: 13px;
  line-height: 1.55;
}

.improvement-action {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 9px;
  background: #f4f8fb;
  color: #33465b;
  font-size: 12px;
}

.improvement-action strong {
  color: var(--imp-navy);
}

.improvement-status {
  display: grid;
  gap: 7px;
}

.improvement-select-row {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--imp-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.improvement-workflow-controls {
  display: grid;
  gap: 7px;
}

.improvement-ai-readiness {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(28, 126, 214, 0.12);
  color: var(--accent, #1c7ed6);
  font-size: 0.75rem;
  font-weight: 700;
}

.improvement-workflow-controls select {
  min-height: 36px;
  border: 1px solid #cfd9e5;
  border-radius: 8px;
  background: #fff;
  padding: 0 10px;
  font: inherit;
}

.improvement-workflow-controls label {
  color: var(--imp-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.improvement-status label {
  color: var(--imp-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.improvement-status select {
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid #cfd9e5;
  border-radius: 9px;
  background: #fff;
  color: var(--imp-ink);
  font: inherit;
}

.improvement-id {
  color: #8a96a5;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
}

.improvements-empty {
  padding: 45px 20px;
  text-align: center;
  border: 1px dashed #bac8d6;
  border-radius: 14px;
  color: var(--imp-muted);
  background: #f8fafc;
}

@media (max-width: 1050px) {
  .improvements-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .improvements-field:last-child { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .improvements-hero { grid-template-columns: 1fr; padding: 21px; }
  .improvements-score { max-width: 320px; }
  .improvements-toolbar { grid-template-columns: 1fr; }
  .improvements-field:last-child { grid-column: auto; }
  .improvements-metrics { grid-template-columns: repeat(2, 1fr); }
  .improvements-batch { flex-wrap: wrap; }
  .improvement-card { grid-template-columns: 42px minmax(0, 1fr); }
  .improvement-status { grid-column: 2; }
}

@media (max-width: 470px) {
  .improvements-metrics { grid-template-columns: 1fr; }
  .improvement-card { grid-template-columns: 1fr; }
  .improvement-rank { width: 36px; height: 36px; }
  .improvement-status { grid-column: 1; }
}