.case-body {
  min-width: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 54% -10%, rgba(141, 244, 255, 0.08), transparent 34%),
    linear-gradient(rgba(219, 255, 240, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(219, 255, 240, 0.018) 1px, transparent 1px),
    #031210;
  background-size: auto, 54px 54px, 54px 54px, auto;
}

.case-app {
  min-height: 100vh;
}

.case-header {
  position: sticky;
  z-index: 40;
  top: 0;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 10px max(24px, calc((100vw - 1440px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(3, 18, 16, 0.94);
  backdrop-filter: blur(24px);
}

.case-header-title {
  display: grid;
  justify-items: center;
  line-height: 1.15;
}

.case-header-title span {
  color: var(--soft);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-header-title strong {
  margin-top: 4px;
  font-size: 0.95rem;
}

.case-header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.prototype-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 720;
}

.prototype-status i {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--mint);
  box-shadow: 0 0 14px rgba(157, 243, 160, 0.5);
}

.case-home-link {
  min-height: 40px;
  padding: 0 14px;
  font-size: 0.78rem;
}

.case-workspace {
  display: grid;
  grid-template-columns: 220px minmax(0, 820px) 260px;
  gap: 26px;
  width: min(100% - 48px, 1360px);
  margin: 0 auto;
  padding: 34px 0 64px;
}

.case-rail,
.case-map {
  position: sticky;
  top: 110px;
  align-self: start;
}

.case-rail {
  padding-right: 20px;
  border-right: 1px solid var(--line);
}

.rail-title {
  display: grid;
  gap: 4px;
  margin-bottom: 20px;
}

.rail-title span,
.case-overline,
.stage-eyebrow,
.micro-label {
  margin: 0;
  color: var(--aqua);
  font-size: 0.7rem;
  font-weight: 840;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.rail-title strong {
  color: var(--muted);
  font-size: 0.8rem;
}

.case-steps {
  display: grid;
  gap: 3px;
}

.case-step {
  display: grid;
  grid-template-columns: 21px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  width: 100%;
  padding: 10px 9px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--soft);
  text-align: left;
  font: inherit;
  font-size: 0.79rem;
  line-height: 1.34;
}

button.case-step:not(:disabled) {
  cursor: pointer;
}

button.case-step:not(:disabled):hover,
.case-step.current {
  background: rgba(141, 244, 255, 0.07);
  color: var(--text);
}

.case-step.done {
  color: var(--muted);
}

.step-mark {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--soft);
  font-size: 0.65rem;
  font-weight: 850;
}

.case-step.done .step-mark {
  border-color: rgba(157, 243, 160, 0.35);
  background: rgba(157, 243, 160, 0.08);
  color: var(--mint);
}

.case-step.current .step-mark {
  border-color: var(--aqua);
  background: var(--aqua);
  color: var(--ink);
  box-shadow: 0 0 18px rgba(141, 244, 255, 0.24);
}

.case-stage {
  min-width: 0;
}

.stage-header {
  margin-bottom: 26px;
}

.stage-header h1 {
  max-width: 760px;
  margin: 10px 0 0;
  font-size: clamp(2.15rem, 4vw, 3.65rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.stage-header > p:not(.stage-eyebrow) {
  max-width: 700px;
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.stage-panel,
.case-map,
.document-drop,
.document-item,
.review-table,
.interview-card,
.report-sheet,
.case-chat,
.mobile-case-notice {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(6, 24, 25, 0.77);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.stage-panel {
  padding: 24px;
}

.stage-panel + .stage-panel {
  margin-top: 14px;
}

.stage-panel h2,
.document-section-head h2,
.case-chat h2 {
  margin: 7px 0 0;
  font-size: 1.35rem;
}

.stage-panel p,
.document-section-head p,
.payment-note,
.demo-note {
  color: var(--muted);
  line-height: 1.62;
}

.case-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 20px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.case-fact {
  min-width: 0;
  padding: 16px;
  background: rgba(5, 20, 22, 0.96);
}

.case-fact span {
  display: block;
  color: var(--soft);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.case-fact strong {
  display: block;
  margin-top: 7px;
  overflow-wrap: anywhere;
  font-size: 0.9rem;
}

.report-excerpt {
  position: relative;
  max-height: 180px;
  margin-top: 16px;
  padding: 18px;
  overflow: hidden;
  border-left: 2px solid var(--aqua);
  background: rgba(141, 244, 255, 0.045);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
  white-space: pre-line;
}

.report-excerpt::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 44px;
  background: linear-gradient(transparent, rgba(5, 20, 22, 0.98));
}

.stage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.payment-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
}

.payment-note svg {
  flex: 0 0 auto;
  color: var(--mint);
}

.case-map {
  padding: 20px;
}

.case-map-head h2 {
  margin: 6px 0 0;
  font-size: 1.18rem;
}

.case-map dl {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
}

.case-map dl > div {
  display: grid;
  gap: 5px;
  padding: 12px 0;
  border-top: 1px solid rgba(219, 255, 240, 0.08);
}

.case-map dt {
  color: var(--soft);
  font-size: 0.7rem;
}

.case-map dd {
  margin: 0;
  color: var(--text);
  font-size: 0.83rem;
  font-weight: 700;
}

.case-local-note {
  display: flex;
  gap: 8px;
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 0.72rem;
  line-height: 1.5;
}

.case-local-note svg {
  flex: 0 0 auto;
  color: var(--aqua);
}

.document-drop {
  display: grid;
  place-items: center;
  min-height: 210px;
  padding: 30px;
  border-style: dashed;
  text-align: center;
  background: rgba(141, 244, 255, 0.035);
}

.document-drop input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.document-drop-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin: 0 auto;
  border: 1px solid rgba(141, 244, 255, 0.3);
  border-radius: 999px;
  color: var(--aqua);
  background: rgba(141, 244, 255, 0.07);
}

.document-drop h2 {
  margin: 15px 0 0;
  font-size: 1.25rem;
}

.document-drop p {
  max-width: 520px;
  margin: 8px auto 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.document-drop .button {
  margin-top: 18px;
}

.document-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.document-item {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(180px, 0.75fr) auto;
  gap: 16px;
  align-items: center;
  padding: 15px 16px;
  box-shadow: none;
}

.document-name {
  display: flex;
  gap: 11px;
  align-items: center;
  min-width: 0;
}

.document-name > div {
  min-width: 0;
}

.document-name svg {
  flex: 0 0 auto;
  color: var(--aqua);
}

.document-name strong,
.document-name span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-name strong {
  font-size: 0.86rem;
}

.document-name span,
.document-status {
  margin-top: 4px;
  color: var(--soft);
  font-size: 0.7rem;
}

.case-select,
.case-input,
.case-textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  outline: none;
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  font: inherit;
}

.case-select,
.case-input {
  min-height: 42px;
  padding: 0 11px;
}

.case-select option {
  background: #071b1d;
}

.case-textarea {
  min-height: 96px;
  padding: 12px;
  resize: vertical;
  line-height: 1.55;
}

.case-select:focus,
.case-input:focus,
.case-textarea:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px rgba(141, 244, 255, 0.07);
}

.document-remove {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--soft);
  cursor: pointer;
}

.document-remove:hover {
  border-color: rgba(255, 154, 142, 0.4);
  color: var(--coral);
}

.processing-panel {
  display: grid;
  gap: 18px;
  padding: 28px;
}

.processing-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.processing-spinner {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 2px solid rgba(141, 244, 255, 0.15);
  border-top-color: var(--aqua);
  border-radius: 999px;
  animation: caseSpin 900ms linear infinite;
}

.processing-head h2 {
  margin: 0;
}

.processing-steps {
  display: grid;
  gap: 8px;
}

.processing-step {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--soft);
  font-size: 0.85rem;
}

.processing-step::before {
  content: "";
  width: 8px;
  height: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.processing-step.done,
.processing-step.active {
  color: var(--text);
}

.processing-step.done::before {
  border-color: var(--mint);
  background: var(--mint);
}

.processing-step.active::before {
  border-color: var(--aqua);
  background: var(--aqua);
  box-shadow: 0 0 15px rgba(141, 244, 255, 0.42);
}

.demo-note {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-left: 2px solid var(--amber);
  background: rgba(240, 196, 111, 0.055);
  font-size: 0.8rem;
}

.review-table {
  overflow: hidden;
}

.review-row {
  display: grid;
  grid-template-columns: minmax(135px, 1fr) 90px 90px minmax(100px, 0.8fr) 118px minmax(120px, 1fr) 44px;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-top: 1px solid rgba(219, 255, 240, 0.08);
}

.review-row:first-child {
  border-top: 0;
}

.review-row.review-head {
  color: var(--soft);
  font-size: 0.66rem;
  font-weight: 780;
  text-transform: uppercase;
}

.review-row strong {
  font-size: 0.8rem;
}

.review-row .case-input {
  min-height: 36px;
  padding: 0 8px;
  font-size: 0.76rem;
}

.review-source,
.review-date {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.72rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.review-confirm {
  display: grid;
  place-items: center;
}

.review-confirm input {
  width: 18px;
  height: 18px;
  accent-color: var(--aqua);
}

.finding-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.finding {
  padding: 16px;
  border-top: 1px solid var(--line-strong);
  background: rgba(141, 244, 255, 0.035);
}

.finding strong {
  display: block;
  font-size: 1.45rem;
}

.finding span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.interview-card {
  padding: 28px;
}

.question-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 0.78rem;
}

.question-track {
  width: min(220px, 45%);
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
}

.question-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--aqua), var(--mint));
}

.interview-card h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.14;
}

.question-context {
  max-width: 680px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.58;
}

.answer-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin-top: 22px;
}

.answer-option {
  position: relative;
}

.answer-option input {
  position: absolute;
  opacity: 0;
}

.answer-option span {
  display: flex;
  min-height: 50px;
  align-items: center;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.38;
  cursor: pointer;
}

.answer-option input:checked + span {
  border-color: var(--line-strong);
  background: rgba(141, 244, 255, 0.1);
  color: var(--text);
}

.question-details {
  margin-top: 18px;
}

.question-details label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
}

.question-why {
  margin-top: 14px;
  border-top: 1px solid var(--line);
}

.question-why summary {
  padding: 14px 0;
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 760;
  cursor: pointer;
}

.question-why p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.report-sheet {
  padding: 28px;
  background: rgba(5, 20, 22, 0.9);
}

.report-notice {
  margin: 0 0 24px;
  padding: 13px 15px;
  border-left: 2px solid var(--amber);
  background: rgba(240, 196, 111, 0.055);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
}

.report-section {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.report-section h2 {
  margin: 0;
  font-size: 1rem;
}

.report-section p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.62;
}

.button[disabled] {
  cursor: not-allowed;
  opacity: 0.48;
}

.disabled-caption {
  align-self: center;
  color: var(--soft);
  font-size: 0.7rem;
}

.case-chat {
  overflow: hidden;
}

.chat-head {
  padding: 22px;
  border-bottom: 1px solid var(--line);
}

.chat-head p {
  max-width: 650px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.quick-questions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
}

.quick-question {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
  font: inherit;
  font-size: 0.74rem;
  cursor: pointer;
}

.quick-question:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.chat-messages {
  display: grid;
  gap: 12px;
  min-height: 220px;
  max-height: 420px;
  padding: 22px;
  overflow-y: auto;
}

.chat-empty {
  align-self: center;
  justify-self: center;
  max-width: 360px;
  color: var(--soft);
  text-align: center;
  font-size: 0.82rem;
  line-height: 1.55;
}

.chat-message {
  max-width: 78%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.chat-message.user {
  justify-self: end;
  background: rgba(141, 244, 255, 0.08);
  color: var(--text);
}

.chat-message.assistant {
  justify-self: start;
  background: rgba(157, 243, 160, 0.045);
}

.chat-message span {
  display: block;
  margin-bottom: 6px;
  color: var(--mint);
  font-size: 0.66rem;
  font-weight: 820;
  text-transform: uppercase;
}

.chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 16px;
  border-top: 1px solid var(--line);
}

.chat-form .case-input {
  min-height: 48px;
}

.mobile-case-notice {
  display: none;
  width: min(100% - 32px, 760px);
  margin: 18px auto 0;
  padding: 18px;
  box-shadow: none;
}

.mobile-case-notice h2 {
  margin: 0;
  font-size: 1rem;
}

.mobile-case-notice p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.mobile-case-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.mobile-case-actions .button {
  min-height: 40px;
  padding: 0 13px;
  font-size: 0.74rem;
}

.stage-error {
  margin-top: 12px;
  color: var(--coral);
  font-size: 0.78rem;
}

@keyframes caseSpin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .processing-spinner { animation: none; }
}

@media (max-width: 1100px) {
  .case-workspace {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .case-map {
    position: static;
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
  }

  .case-map dl {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 0;
  }

  .case-map dl > div {
    padding: 0;
    border-top: 0;
  }

  .case-local-note {
    grid-column: 1 / -1;
  }
}

@media (max-width: 899px) {
  .case-header {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 10px 16px;
  }

  .case-header-title,
  .prototype-status {
    display: none;
  }

  .case-home-link span {
    display: none;
  }

  .case-home-link {
    width: 42px;
    padding: 0;
  }

  .mobile-case-notice {
    display: block;
  }

  .case-workspace {
    grid-template-columns: 1fr;
    width: min(100% - 32px, 760px);
    padding-top: 22px;
  }

  .case-rail,
  .case-map {
    position: static;
  }

  .case-rail {
    padding: 0 0 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .rail-title {
    margin-bottom: 10px;
  }

  .case-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-step {
    width: 100%;
    min-width: 0;
  }

  .case-map {
    display: block;
  }

  .case-map dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 16px;
  }

  .review-table {
    overflow: visible;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .review-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-width: 0;
    margin-top: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(6, 24, 25, 0.77);
  }

  .review-row.review-head {
    display: none;
  }

  .review-row:not(.review-head) > strong,
  .review-row:not(.review-head) .review-source {
    grid-column: 1 / -1;
  }

  .review-confirm {
    justify-content: start;
  }
}

@media (max-width: 620px) {
  .stage-header h1 {
    font-size: 2.25rem;
  }

  .stage-panel,
  .interview-card,
  .report-sheet {
    padding: 20px;
  }

  .case-facts,
  .finding-list,
  .answer-options,
  .report-grid {
    grid-template-columns: 1fr;
  }

  .document-item {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .document-item .case-select {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .stage-actions .button,
  .chat-form .button {
    width: 100%;
  }

  .chat-form {
    grid-template-columns: 1fr;
  }

  .chat-message {
    max-width: 92%;
  }
}