.sv8-studio {
  max-width: 1040px;
  margin: auto;
  color: #29443d;
}
.sv8-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 20px 0;
}
.sv8-steps button {
  font-size: 13px;
  min-height: 58px;
  padding: 10px 8px;
}
.sv8-steps [aria-current='step'] {
  outline: 3px solid #a9dbb3;
  outline-offset: 2px;
}
.sv8-card {
  padding: clamp(18px, 4vw, 30px);
  border-radius: 24px;
}
.sv8-card > p {
  line-height: 1.8;
}
.sv8-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}
.sv8-fields label,
.sv8-review > label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}
.sv8-fields select,
.sv8-review select {
  width: 100%;
  min-width: 0;
  min-height: 46px;
}
.sv8-wide {
  grid-column: 1/-1;
}
.sv8-note {
  background: #f1f7ee;
  border-radius: 14px;
  padding: 14px;
  font-size: 13px;
  line-height: 1.8;
  color: #4b6357;
}
.sv8-goal {
  margin: 18px 0;
  background: #fff1c9;
  padding: 14px;
  border-radius: 14px;
  line-height: 1.8;
}
.sv8-help {
  border: 1px solid #dce9db;
  border-radius: 14px;
  margin: 16px 0;
  padding: 14px;
  line-height: 1.8;
}
.sv8-help summary {
  font-weight: 800;
  cursor: pointer;
}
.sv8-help dt {
  font-weight: 800;
}
.sv8-help dd {
  margin: 5px 0 14px;
  overflow-wrap: anywhere;
}
.sv8-help pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 12px;
  line-height: 1.7;
}
.sv8-trial {
  margin: 18px 0;
  background: #fffdf4;
  border: 2px solid #e3eccf;
  border-radius: 22px;
  padding: clamp(12px, 3vw, 24px);
}
.sv8-label {
  font-size: 12px;
  font-weight: 700;
  color: #527557;
}
.sv8-result {
  background: #e7f2df;
  margin-top: 16px;
  padding: 16px;
  border-radius: 14px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.sv8-cost {
  border: 2px solid #edcf95;
  background: #fff9e9;
  padding: 18px;
  border-radius: 18px;
  margin: 20px 0;
}
.sv8-cost button {
  width: 100%;
  margin-top: 12px;
}
.sv8-job {
  padding: 18px;
  border-radius: 14px;
  background: #f3f7ef;
  overflow-wrap: anywhere;
}
.sv8-rejected {
  color: #8c4533;
  font-size: 13px;
}
.sv8-review {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 2px dashed #cbdcc8;
}
.sv8-review textarea {
  width: 100%;
  min-height: 90px;
  margin: 10px 0;
}
.sv8-studio .studio-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.7;
  font-size: 13px;
  margin: 14px 0;
}
.sv8-studio .studio-check input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}
.sv8-studio .room-card {
  width: 100%;
  text-align: left;
  margin: 8px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.sv8-studio button:disabled {
  opacity: 0.52;
  cursor: not-allowed;
}
@media (max-width: 620px) {
  .sv8-steps {
    grid-template-columns: 1fr 1fr;
  }
  .sv8-fields {
    gap: 12px;
  }
  .sv8-studio .room-card {
    flex-direction: column;
  }
  .sv8-studio .form input,
  .sv8-studio .form select {
    font-size: 16px;
  }
  .sv8-cost {
    padding: 14px;
  }
}

/* V9 guardian batch workflow: normal page flow, no nested list scrollers. */
.content-bank-ui {
  margin-top: 22px;
  min-width: 0;
}
.content-bank-ui h3 {
  font-size: 21px;
}
.content-bank-ui h4 {
  margin: 22px 0 10px;
}
.bank-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
.bank-count {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-weight: 800;
  margin: 15px 0;
}
.bank-count input {
  width: 130px;
  font-size: 20px;
  font-weight: 800;
}
.bank-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.bank-options label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  background: #eef4e8;
  border: 1px solid #c6d8b6;
  border-radius: 12px;
}
.bank-options input,
.bank-question-list input {
  width: 21px;
  height: 21px;
  flex: none;
}
.bank-generator fieldset {
  margin: 14px 0;
  padding: 14px;
  border: 1px solid #d5e0cb;
  border-radius: 16px;
}
.bank-generator legend {
  font-weight: 800;
  padding: 0 8px;
}
.bank-plan {
  border: 2px solid #b9cea0;
  background: #edf4e0;
  padding: 20px;
  border-radius: 18px;
  margin: 20px 0;
}
.bank-plan b {
  font-size: 20px;
  color: #315b3f;
}
.bank-history {
  margin: 25px 0;
  padding-top: 20px;
  border-top: 2px dashed #bacaaf;
}
.bank-batch-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.bank-batch-list button {
  display: grid;
  text-align: left;
  gap: 6px;
}
.bank-batch-list small {
  color: inherit;
  opacity: 0.75;
}
.bank-batch-detail {
  border: 1px solid #c9d9b9;
  background: #f1f5e9;
  border-radius: 20px;
  padding: 20px;
  margin-top: 20px;
}
.bank-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.bank-metrics div {
  padding: 13px 8px;
  border-radius: 14px;
  background: #fffdf4;
  text-align: center;
  display: grid;
  gap: 4px;
}
.bank-metrics b {
  font-size: 25px;
  color: #3e6c4a;
}
.bank-metrics span {
  font-size: 12px;
  color: #617b59;
}
.bank-coverage p {
  padding: 8px;
  border-radius: 8px;
  background: #fffdf5;
  margin: 7px 0;
  font-size: 13px;
}
.bank-coverage .missing {
  border-left: 4px solid #c88f48;
}
.bank-coverage .complete {
  border-left: 4px solid #8bb27c;
}
.bank-samples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.bank-samples button {
  display: grid;
  text-align: left;
  gap: 8px;
  font-size: 14px;
}
.bank-publish {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #c7d5ba;
}
.bank-manager {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 2px dashed #bacaaf;
}
.bank-filter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.bank-filter-grid label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
}
.bank-filter-grid select {
  width: 100%;
  min-width: 0;
}
.bank-question-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}
.bank-question-list article {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
}
.bank-question-list button {
  display: grid;
  text-align: left;
  gap: 5px;
  width: 100%;
  min-width: 0;
}
.bank-question-list b {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.65;
}
.bank-question-list small {
  font-size: 11px;
}
.bank-maintenance {
  background: #fff5df;
  border: 1px solid #e0c99c;
  border-radius: 16px;
  padding: 18px;
  margin-top: 22px;
}
@media (max-width: 620px) {
  .bank-mode-tabs,
  .bank-batch-list,
  .bank-samples {
    grid-template-columns: 1fr;
  }
  .bank-filter-grid {
    grid-template-columns: 1fr 1fr;
  }
  .bank-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .bank-batch-detail {
    padding: 14px;
  }
  .content-bank-ui button {
    min-height: 44px;
  }
  .bank-options label {
    padding: 9px;
    font-size: 13px;
  }
  .bank-plan b {
    font-size: 18px;
  }
}

.sv8-studio [hidden] {
  display: none !important;
}

.bank-game {
  margin: 1.3rem 0;
  padding: 1rem;
  border: 2px solid #b8cda4;
  border-radius: 22px;
  background: #f2f6e9;
}
.bank-game-question {
  padding: 1rem;
  margin: 0.7rem 0;
  background: #fffdf4;
  border: 1px solid #dce4d0;
  border-radius: 16px;
  overflow-wrap: anywhere;
}
.bank-game-question small {
  display: block;
  color: #526a50;
}
.bank-game-question details {
  margin-top: 0.7rem;
}
/* Learning library: one workspace, one task per page. */
.studio-hub {
  max-width: 1240px;
  padding-bottom: 36px;
}
.studio-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 8px 0 24px;
}
.studio-heading h1 {
  margin: 4px 0;
  font-size: 30px;
}
.studio-heading .eyebrow {
  letter-spacing: 0.12em;
  color: #668678;
  font-size: 12px;
}
.studio-layout {
  display: grid;
  grid-template-columns: 172px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.studio-nav {
  position: sticky;
  top: 80px;
  display: grid;
  gap: 6px;
  padding: 12px 8px;
  border-radius: 24px;
  background: #edf3e8;
}
.studio-nav button {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 12px 14px;
  background: transparent;
  color: #52695e;
  text-align: left;
  border: 0;
  box-shadow: none;
  font-size: 14px;
}
.studio-nav button span {
  font-size: 20px;
  width: 22px;
  text-align: center;
}
.studio-nav button[aria-current='page'] {
  background: #355e4d;
  color: #fff;
  box-shadow: 0 5px 14px #355e4d22;
}
.studio-main {
  min-width: 0;
}
.studio-main > .card {
  margin: 0 0 20px;
}
.studio-main h2 {
  scroll-margin-top: 80px;
}
.studio-main .sv8-card {
  padding: 24px;
}
.studio-main h2 {
  font-size: 21px;
  margin-top: 0;
}
.studio-welcome {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 28px;
  border-radius: 26px;
  background: linear-gradient(120deg, #e4f0d6, #f6efd6);
  margin-bottom: 20px;
}
.studio-welcome p {
  margin-bottom: 0;
  color: #5d7568;
  line-height: 1.7;
}
.studio-welcome h2 {
  margin: 8px 0;
  font-size: 24px;
}
.studio-book-icon {
  font-size: 66px;
  filter: drop-shadow(0 8px 8px #799d632c);
}
.studio-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 20px;
}
.studio-stats article {
  display: grid;
  gap: 8px;
  background: #fffdf5;
  border: 1px solid #e0e8d4;
  border-radius: 20px;
  padding: 20px;
}
.studio-stats strong {
  font-size: 28px;
  color: #355e4d;
  font-variant-numeric: tabular-nums;
}
.studio-stats span {
  color: #728274;
  font-size: 12px;
}
.studio-quick-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.studio-quick-actions button {
  font-size: 13px;
}
.studio-tag {
  display: inline-block;
  background: #e8efdf;
  border-radius: 20px;
  padding: 6px 12px;
  color: #4c7058;
  font-size: 12px;
}
.studio-coverage > div {
  display: grid;
  grid-template-columns: 76px repeat(3, 1fr);
  gap: 8px;
  align-items: center;
  padding: 14px 8px;
  border-bottom: 1px solid #e5eadb;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.studio-coverage .coverage-head {
  font-size: 12px;
  color: #77917b;
}
.studio-coverage small {
  display: block;
  font-size: 10px;
  margin-top: 4px;
  color: #8b9b88;
}
.studio-guidance {
  padding: 16px;
  background: #f3f5eb;
  border: 1px solid #e2e9d8;
  border-radius: 16px;
  margin: 16px 0;
}
.studio-guidance summary {
  cursor: pointer;
  font-weight: 600;
  color: #516f5b;
}
.studio-guidance p {
  font-size: 13px;
  line-height: 1.8;
}
.studio-generate-fields {
  padding: 0;
  margin: 20px 0;
}
.studio-main .bank-generator {
  border: 0;
  padding: 0;
  margin-top: 24px;
}
.studio-main .bank-mode-tabs {
  gap: 8px;
}
.studio-main .bank-mode-tabs button {
  font-size: 13px;
}
.studio-main .bank-game {
  border: 0;
  padding: 0;
  margin: 0;
}
.studio-main .bank-game h3 {
  font-size: 16px;
  margin: 20px 0 8px;
}
.studio-main .bank-game > p {
  font-size: 12px;
  color: #728274;
  line-height: 1.8;
}
.studio-main .bank-filter-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 16px;
  background: #f2f5e9;
  border-radius: 18px;
  gap: 12px;
  margin: 18px 0;
}
.studio-main .bank-filter-grid label {
  font-size: 12px;
  gap: 6px;
  display: grid;
}
.studio-main .bank-filter-grid select {
  height: 42px;
  font-size: 13px;
}
.studio-main .bank-game-question {
  padding: 18px;
  margin: 12px 0;
  border-radius: 18px;
  background: #fffef9;
  border: 1px solid #e1e7d6;
  overflow-wrap: anywhere;
}
.studio-main .bank-game-question > label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.7;
}
.studio-main .bank-game-question input[type='checkbox'] {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}
.studio-main .bank-game-question p {
  font-size: 12px;
  color: #7a8978;
  line-height: 1.7;
  margin: 8px 0;
}
.studio-main .bank-game-question button {
  padding: 8px 14px;
  min-height: 36px;
  font-size: 12px;
}
.library-detail-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1300;
  background: #1c302a70;
  display: grid;
  place-items: center;
  padding: 24px;
  backdrop-filter: blur(5px);
}
.library-detail {
  max-width: 720px;
  width: 100%;
  max-height: calc(100dvh - 48px);
  overflow: auto;
  background: #fffdf5;
  border-radius: 26px;
  padding: 28px;
  box-shadow: 0 24px 100px #14291a55;
  overscroll-behavior: contain;
}
.library-detail h2 {
  font-size: 19px;
  margin: 4px 0;
}
.library-detail h3 {
  line-height: 1.7;
  font-size: 18px;
}
.library-detail p {
  line-height: 1.9;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.library-detail .detail-expr {
  background: #f0f4e7;
  padding: 20px;
  border-radius: 18px;
  font-size: 21px;
  color: #2d5040;
}
.library-detail details {
  margin-top: 24px;
  border-top: 1px solid #dbe4cf;
  padding-top: 20px;
}
.library-detail summary {
  font-weight: bold;
}
.studio-empty {
  text-align: center;
  padding: 36px 12px;
  background: #f4f6ed;
  border-radius: 18px;
  color: #83917d;
  font-size: 14px;
}
@media (max-width: 800px) {
  .studio-layout {
    display: block;
  }
  .studio-nav {
    position: static;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 8px;
    gap: 6px;
    margin-bottom: 18px;
  }
  .studio-nav button {
    flex-direction: column;
    text-align: center;
    padding: 10px 2px;
    font-size: 11px;
    gap: 4px;
    min-height: 66px;
  }
  .studio-nav button span {
    font-size: 19px;
  }
  .studio-heading {
    margin-bottom: 16px;
  }
  .studio-heading h1 {
    font-size: 26px;
  }
  .studio-heading button {
    font-size: 12px;
    padding: 10px;
  }
  .studio-main .sv8-card {
    padding: 20px;
  }
  .studio-welcome {
    padding: 22px;
    gap: 16px;
  }
  .studio-welcome h2 {
    font-size: 21px;
  }
  .studio-book-icon {
    font-size: 48px;
  }
  .studio-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .studio-stats article {
    padding: 16px;
  }
  .studio-quick-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
  .studio-main .bank-filter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 12px;
  }
  .studio-coverage > div {
    grid-template-columns: 55px repeat(3, 1fr);
    font-size: 13px;
  }
  .library-detail-backdrop {
    padding: 12px;
  }
  .library-detail {
    padding: 20px;
    max-height: calc(100dvh - 24px);
    border-radius: 20px;
  }
  .studio-main .sv8-fields {
    gap: 12px;
  }
  .studio-main .sv8-wide {
    grid-column: 1/-1;
  }
}
@media (prefers-reduced-motion: reduce) {
  .studio-hub * {
    scroll-behavior: auto !important;
  }
}