:root {
  --bg: #f7f4ee;
  --surface: #fffdf8;
  --surface-2: #f0ebe2;
  --line: #ded6ca;
  --line-strong: #c9bda9;
  --text: #261f17;
  --muted: #756c60;
  --faint: #9a9288;
  --accent: #4d6b3d;
  --accent-strong: #38512c;
  --danger: #a8452d;
  --warning: #a66a20;
  --ok: #496f3a;
  --focus: rgba(77, 107, 61, 0.24);
  --radius: 10px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Avenir Next, Avenir, Helvetica Neue, Helvetica, sans-serif;
  font-size: 14px;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--accent-strong);
  border-radius: 8px;
  background: var(--accent);
  color: #fffdf8;
  min-height: 36px;
  padding: 0 14px;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}

button.secondary:hover {
  background: var(--surface-2);
}

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

input,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 9px 10px;
  outline: none;
}

textarea {
  min-height: 82px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

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

h1 {
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 18px;
  line-height: 1.25;
}

h3 {
  font-size: 14px;
}

p {
  color: var(--muted);
  line-height: 1.5;
}

.shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 248px 1fr;
}

.sidebar {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: #eee7dc;
  padding: 22px 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 28px;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--accent-strong);
  background: var(--surface);
  font-weight: 700;
}

.brand strong,
.brand span {
  display: block;
}

.brand span:not(.brand-mark) {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 4px;
}

.nav a {
  border-radius: 8px;
  color: var(--muted);
  padding: 9px 10px;
  text-decoration: none;
}

.nav a.active,
.nav a:hover {
  background: rgba(77, 107, 61, 0.1);
  color: var(--text);
}

.session {
  display: grid;
  gap: 10px;
  margin-top: auto;
  color: var(--muted);
  font-size: 13px;
}

.workspace {
  min-width: 0;
  padding: 28px;
}

.notice {
  margin-bottom: 18px;
  border: 1px solid #dfb783;
  border-radius: var(--radius);
  background: #fff5df;
  color: #5e3c11;
  padding: 12px 14px;
}

.auth-panel {
  display: grid;
  max-width: 420px;
  gap: 22px;
}

.login-form {
  display: grid;
  gap: 14px;
}

.auth-message {
  min-height: 21px;
}

.auth-message[data-level="error"] {
  color: var(--danger);
}

.auth-message[data-level="success"] {
  color: var(--ok);
}

.app-panel {
  display: grid;
  gap: 18px;
}

.topbar,
.filters,
.summary,
.review-layout {
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.topbar p {
  margin-top: 6px;
}

.topbar-actions {
  display: flex;
  gap: 8px;
}

.filters {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 120px;
  gap: 14px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  padding-bottom: 0;
}

.summary div {
  display: grid;
  gap: 7px;
  background: var(--surface);
  padding: 14px;
}

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

.summary strong {
  font-size: 22px;
  letter-spacing: -0.02em;
}

.review-layout {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 18px;
  border-bottom: 0;
  padding-bottom: 0;
}

.proposal-list,
.proposal-detail {
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.proposal-list {
  overflow: hidden;
}

.proposal-row {
  display: grid;
  gap: 7px;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  padding: 13px 14px;
  text-align: left;
}

.proposal-row:hover,
.proposal-row.selected {
  background: #f4efe5;
}

.row-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.row-title strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-meta,
.badge-line,
.detail-grid,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.row-meta {
  color: var(--muted);
  font-size: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--muted);
  padding: 2px 7px;
  font-size: 12px;
}

.badge.low,
.badge.validated,
.badge.applied {
  color: var(--ok);
  border-color: rgba(73, 111, 58, 0.35);
  background: rgba(73, 111, 58, 0.08);
}

.badge.critical,
.badge.high,
.badge.failed_validation,
.badge.rejected {
  color: var(--danger);
  border-color: rgba(168, 69, 45, 0.35);
  background: rgba(168, 69, 45, 0.08);
}

.badge.medium,
.badge.unknown,
.badge.needs_human_review,
.badge.queued_for_validation {
  color: var(--warning);
  border-color: rgba(166, 106, 32, 0.35);
  background: rgba(166, 106, 32, 0.08);
}

.proposal-detail {
  padding: 18px;
  overflow: auto;
}

.empty-state {
  display: grid;
  min-height: 460px;
  place-content: center;
  gap: 8px;
  text-align: center;
}

.detail-stack {
  display: grid;
  gap: 18px;
}

.detail-header {
  display: grid;
  gap: 9px;
}

.detail-section {
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.detail-grid div {
  min-width: 160px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

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

.detail-grid strong {
  display: block;
  margin-top: 4px;
  word-break: break-word;
}

.json-block {
  overflow: auto;
  max-height: 240px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbf7ef;
  padding: 10px;
  color: #3a3025;
  font-family: Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  line-height: 1.45;
}

.review-note {
  display: grid;
  gap: 8px;
}

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

.inline-error {
  color: var(--danger);
}

.learning-summary {
  color: var(--ok);
}

.action-row button:disabled {
  background: var(--surface-2);
  border-color: var(--line-strong);
  color: var(--faint);
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .review-layout,
  .summary,
  .filters {
    grid-template-columns: 1fr;
  }
}