:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #f1f4f7;
  --text: #18202a;
  --muted: #687384;
  --line: #d9e0e8;
  --line-strong: #b8c3cf;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --danger: #b42318;
  --warning: #a15c07;
  --good: #157347;
  --shadow: 0 16px 40px rgba(24, 32, 42, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(320px, 1fr);
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 10px 22px;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand,
.top-actions,
.detail-meta,
.thread-meta,
.chip-row,
.button-row,
.selector-row,
.metric-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.brand strong {
  font-size: 16px;
}

.brand span,
.user-chip,
.env-pill {
  color: var(--muted);
  font-size: 12px;
}

.env-pill,
.user-chip,
.count-pill,
.chip,
.section-status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.topnav {
  display: inline-grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 4px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.topnav button,
.state-tabs button {
  border: 0;
  background: transparent;
  color: var(--muted);
  min-width: 74px;
  height: 34px;
  border-radius: 6px;
}

.topnav button.active,
.state-tabs button.active {
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(24, 32, 42, 0.1);
}

.top-actions {
  justify-content: flex-end;
}

.workspace {
  max-width: 1500px;
  margin: 0 auto;
  padding: 22px;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 28px;
  line-height: 1.1;
}

h2 {
  margin-bottom: 8px;
  font-size: 18px;
}

h3 {
  margin-bottom: 10px;
  font-size: 14px;
}

.muted {
  color: var(--muted);
}

.btn,
.icon-btn {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--text);
  min-height: 36px;
  padding: 7px 12px;
  border-radius: 7px;
}

.btn:hover,
.icon-btn:hover {
  border-color: var(--accent);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.btn.primary:hover {
  background: var(--accent-dark);
}

.btn.small {
  min-height: 32px;
  padding: 5px 10px;
  font-size: 13px;
}

.btn.tiny {
  min-height: 28px;
  padding: 4px 8px;
  font-size: 12px;
}

.btn.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
}

.icon-btn {
  width: 34px;
  min-height: 34px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
}

.metric {
  min-width: 112px;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

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

.metric strong {
  display: block;
  margin-top: 2px;
  font-size: 18px;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(940px, 100%);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
  padding: 30px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.stack,
.form-grid,
.inline-form {
  display: grid;
  gap: 12px;
}

.compact {
  gap: 8px;
}

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

.form-grid .span-2 {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line-strong);
  background: white;
  color: var(--text);
  border-radius: 7px;
  padding: 7px 9px;
}

textarea {
  min-height: 78px;
  resize: vertical;
}

input:disabled,
select:disabled,
textarea:disabled {
  background: #eef1f5;
  color: #7a8594;
}

.notice {
  padding: 10px 12px;
  border-radius: 7px;
  background: var(--panel-2);
}

.notice.danger {
  color: var(--danger);
  background: #fff1f0;
}

.action-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(210px, 1fr));
  gap: 14px;
  align-items: start;
}

.action-column,
.side-card,
.section-card,
.action-panel,
.thread-card,
.performance-shell,
.modal,
.work-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.column-head {
  min-height: 58px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.column-head h2 {
  margin: 0;
  font-size: 14px;
}

.column-body {
  display: grid;
  gap: 10px;
  padding: 10px;
}

.work-card,
.thread-card {
  padding: 12px;
}

.card-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.card-title span {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.action-line {
  min-height: 38px;
  margin-bottom: 10px;
  font-weight: 700;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.empty {
  min-height: 72px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.empty.wide {
  grid-column: 1 / -1;
}

.attention-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.attention-card {
  min-height: 76px;
  padding: 12px;
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.attention-card.hot {
  border-color: var(--warning);
  background: #fff8ed;
}

.attention-card strong {
  display: block;
  font-size: 24px;
}

.attention-card span {
  color: var(--muted);
  font-size: 12px;
}

.state-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

.thread-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 14px;
}

.thread-card {
  border-left: 4px solid var(--line-strong);
}

.thread-card.priority-high {
  border-left-color: var(--warning);
}

.thread-card.priority-low {
  border-left-color: var(--muted);
}

.thread-meta {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}

.detail-page {
  display: grid;
  gap: 16px;
}

.detail-top {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.detail-title {
  flex: 1;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  align-items: start;
}

.detail-main,
.detail-side,
.sections {
  display: grid;
  gap: 12px;
}

.action-panel {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding: 16px;
  border-color: #99d1c9;
}

.panel-facts {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.section-card {
  overflow: clip;
}

.section-card summary {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  min-height: 46px;
  padding: 12px 14px;
  cursor: pointer;
  font-weight: 800;
  border-bottom: 1px solid var(--line);
}

.section-card > form,
.section-card > .read-block,
.section-card > .summary-box,
.section-card > .gate-row,
.section-card > p {
  margin: 12px;
}

.summary-box {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  border-radius: 7px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12px;
}

.gate-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 12px;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.side-card {
  padding: 12px;
}

.kv {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 7px;
  margin: 0;
  font-size: 12px;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.mini-item {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.mini-item:first-of-type {
  border-top: 0;
}

.mini-item p {
  margin-bottom: 2px;
}

.mini-item span {
  color: var(--muted);
  font-size: 12px;
}

.mini-item.danger strong,
.danger-text {
  color: var(--danger);
}

.performance-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  padding: 14px;
}

.performance-table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-size: 12px;
  background: var(--panel-2);
}

.data-table input {
  min-width: 90px;
}

.score-panel {
  display: grid;
  gap: 12px;
  align-content: start;
}

.member-score-list {
  display: grid;
  gap: 8px;
}

.selector-row {
  justify-content: flex-end;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(24, 32, 42, 0.38);
}

.modal {
  position: fixed;
  z-index: 21;
  top: 78px;
  left: 50%;
  transform: translateX(-50%);
  width: min(820px, calc(100vw - 32px));
  max-height: calc(100vh - 110px);
  overflow: auto;
  padding: 16px;
  box-shadow: var(--shadow);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.modal-head h2 {
  margin: 0;
}

@media (max-width: 1100px) {
  .topbar,
  .page-head,
  .detail-layout,
  .performance-shell,
  .login-panel {
    grid-template-columns: 1fr;
  }

  .top-actions {
    justify-content: flex-start;
  }

  .action-board,
  .thread-grid,
  .attention-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 680px) {
  .workspace {
    padding: 14px;
  }

  .topbar {
    position: static;
    padding: 12px;
  }

  .topnav {
    width: 100%;
  }

  .topnav button {
    min-width: 0;
  }

  .page-head,
  .action-panel,
  .gate-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .action-board,
  .thread-grid,
  .attention-strip,
  .detail-side,
  .form-grid,
  .summary-box {
    grid-template-columns: 1fr;
  }

  .metric-row,
  .panel-facts {
    justify-content: stretch;
  }

  .metric {
    min-width: 0;
    flex: 1;
  }
}