:root {
  --bg: #eef4fb;
  --surface: #ffffff;
  --surface-2: #f6f9fd;
  --line: #c8d6e8;
  --line-strong: #9fb6d2;
  --text: #102033;
  --muted: #53667f;
  --accent: #2f6fb3;
  --accent-strong: #1f5a98;
  --success-bg: #eef6ef;
  --success-line: #b9d8bd;
  --shadow: 0 1px 0 rgba(16,32,51,.06);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
}
button, input, select, textarea { font: inherit; color: inherit; }
button, input, select {
  min-height: 44px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  outline: none;
}
button { cursor: pointer; }
input, select { width: 100%; padding: 0 14px; }
button:focus-visible, input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
code { background: var(--surface-2); padding: 2px 6px; border: 1px solid var(--line); }
.shell { max-width: 1560px; margin: 0 auto; padding: 28px 24px 40px; }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 20px; }
.eyebrow, .section-label, .field span {
  text-transform: uppercase; letter-spacing: .12em; font-size: 12px; color: var(--muted);
}
h1 { margin: 4px 0 0; font-size: 52px; line-height: 1.02; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.auth-badge {
  min-height: 44px; display: inline-flex; align-items: center; padding: 0 14px;
  border: 1px solid var(--line); background: var(--surface-2); color: var(--muted);
}
.button { padding: 0 18px; }
.button-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.button-secondary { background: var(--surface); color: var(--accent-strong); }
.filters-card, .list-card, .detail-card {
  border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow);
}
.filters-card { padding: 16px; margin-bottom: 18px; }
.filters-grid { display: grid; grid-template-columns: minmax(260px, 1fr) 220px 140px; gap: 14px; align-items: end; }
.field { display: grid; gap: 8px; }
.layout-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(340px, .85fr); gap: 18px; align-items: start; }
.section-head { padding: 16px 18px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: flex-start; }
.section-meta { color: var(--muted); margin-top: 4px; }
.state { padding: 20px 18px; color: var(--muted); }
.case-list { display: grid; gap: 0; }
.case-row {
  padding: 16px 18px; border-top: 1px solid var(--line); display: grid; gap: 10px; cursor: pointer;
}
.case-row:first-child { border-top: 0; }
.case-row:hover, .case-row.is-active { background: var(--surface-2); }
.case-row-top { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.case-title { font-size: 24px; font-weight: 700; line-height: 1.08; }
.case-status { display: inline-flex; align-items: center; min-height: 30px; padding: 0 10px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 13px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; color: var(--muted); font-size: 14px; }
.preview-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.preview-tag {
  display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; border: 1px solid var(--line);
  background: var(--surface-2); color: var(--muted); font-size: 13px;
}
.case-detail { padding: 18px; display: grid; gap: 18px; }
.detail-block { display: grid; gap: 12px; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; }
.detail-item { border-top: 1px solid var(--line); padding-top: 10px; }
.detail-item strong { display: block; margin-top: 2px; font-size: 18px; }
.stream-card, .snapshot-card {
  border: 1px solid var(--line); background: var(--surface-2); padding: 14px;
}
.stream-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 10px; }
.stream-title { font-size: 18px; font-weight: 700; }
.stream-meta { color: var(--muted); font-size: 14px; }
.snapshot-list { display: grid; gap: 10px; }
.snapshot-card strong { display: block; font-size: 17px; }
.snapshot-card span { color: var(--muted); }
.modal {
  position: fixed; inset: 0; background: rgba(16,32,51,.28); display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal.hidden { display: none; }
.modal-dialog { width: min(520px, 100%); background: var(--surface); border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(16,32,51,.16); padding: 22px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 8px; }
.modal-head h2 { margin: 0; font-size: 28px; }
.modal-copy { color: var(--muted); }
.modal-actions { margin-top: 18px; display: flex; justify-content: flex-end; }
.icon-button { min-height: 38px; width: 38px; padding: 0; }
@media (max-width: 1100px) {
  .layout-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .topbar { flex-direction: column; }
  .filters-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  h1 { font-size: 40px; }
}

.meta-list { display: grid; gap: 12px; }
.meta-card { border: 1px solid var(--line); background: var(--surface-2); padding: 14px; display: grid; gap: 10px; }
.meta-card-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.case-meta.compact { font-size: 13px; }
.meta-key { color: var(--muted); word-break: break-all; font-size: 13px; }
.event-payload { margin: 0; padding: 12px; border: 1px solid var(--line); background: var(--surface); color: var(--text); overflow-x: auto; white-space: pre-wrap; word-break: break-word; font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }


.meta-card-actions { display: flex; align-items: center; gap: 8px; }
.button-small { min-height: 30px; padding: 0 10px; font-size: 13px; }

.validation-shell { display: grid; gap: 12px; }
.validation-banner {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}
.validation-banner.is-ready {
  border-color: var(--success-line);
  background: var(--success-bg);
}
.validation-banner.is-blocked {
  border-color: #d8b6b6;
  background: #fbefef;
}
.validation-columns { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.issue-list { margin: 0; padding-left: 18px; display: grid; gap: 8px; }
.issue-list--blocking li { color: #8b2d2d; }
.issue-list--warning li { color: #7a5c11; }
.empty-note { color: var(--muted); font-size: 14px; }
.action-panel { display: grid; gap: 12px; border: 1px solid var(--line); background: var(--surface-2); padding: 14px; }
.action-panel-head { display: grid; gap: 4px; }
.action-panel-head span { color: var(--muted); font-size: 14px; }
.action-field textarea {
  width: 100%;
  min-height: 112px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  resize: vertical;
}
.action-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.button-danger { background: #8b2d2d; color: #fff; border-color: #8b2d2d; }
.button-danger:hover { background: #742424; border-color: #742424; }
.button:disabled { cursor: not-allowed; opacity: .55; }
.action-message {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
}
.action-message.is-success { border-color: var(--success-line); background: var(--success-bg); color: #204d29; }
.action-message.is-error { border-color: #d8b6b6; background: #fbefef; color: #8b2d2d; }
.action-message.is-info { border-color: var(--line); background: var(--surface); color: var(--muted); }
.binary-flag { color: var(--muted); font-size: 13px; }
.binary-flag.is-ready { color: #204d29; }
@media (max-width: 860px) {
  .validation-columns, .action-grid { grid-template-columns: 1fr; }
}