:root {
  color-scheme: light;
  --bg: #eef4f1;
  --panel: #fbfcfa;
  --border: #c9d6cf;
  --ink: #16211d;
  --muted: #60736a;
  --accent: #0f6a52;
  --accent-strong: #0b5743;
  --danger: #8e2d2d;
  --danger-bg: #f9e8e8;
  --info-bg: #e7f3ef;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(15, 106, 82, 0.10), transparent 30%),
    linear-gradient(180deg, #f4f8f5 0%, var(--bg) 100%);
  color: var(--ink);
}

.shell {
  max-width: 1380px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.panel, .message-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 18px 45px rgba(17, 34, 28, 0.08);
}

.panel { padding: 24px; }
.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

h1, h2 { margin: 0; }
h1 { font-size: 2rem; }
h2 { font-size: 1rem; margin-bottom: 12px; }
.lede, .muted { color: var(--muted); }

.identity {
  padding: 10px 14px;
  border-radius: 999px;
  background: #edf6f2;
  color: var(--accent-strong);
  font-weight: 600;
}

.toolbar, .action-bar {
  display: flex;
  gap: 12px;
  align-items: end;
  flex-wrap: wrap;
}

.toolbar {
  margin-bottom: 20px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

select, button {
  border-radius: 12px;
  border: 1px solid var(--border);
  font: inherit;
}

select {
  min-width: 320px;
  padding: 10px 12px;
  background: white;
}

button {
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
  background: var(--accent);
  color: white;
}

button:hover { background: var(--accent-strong); }
.button-requeue { background: #7d5f16; }
.button-requeue:hover { background: #674c10; }
.button-accept { background: var(--accent); }
.button-secondary {
  background: white;
  color: var(--ink);
}
.button-secondary:hover {
  background: #edf3f0;
}

.notice {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 12px;
}

.notice-info { background: var(--info-bg); border: 1px solid #bad8cb; }
.notice-error { background: var(--danger-bg); border: 1px solid #e3b6b6; color: var(--danger); }

.empty-state {
  padding: 24px;
  border-radius: 14px;
  border: 1px dashed var(--border);
  color: var(--muted);
  background: #f7faf8;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.message-list-panel,
.message-card {
  padding: 20px;
}

.message-list-panel {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #f7faf8;
}

.message-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.counter {
  display: inline-flex;
  min-width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #e3efe9;
  color: var(--accent-strong);
  font-weight: 700;
}

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

.message-list-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.message-list {
  display: grid;
  gap: 10px;
  max-height: 760px;
  overflow: auto;
  padding-right: 4px;
}

.message-list-item {
  display: grid;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: white;
}

.message-list-item-active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(15, 106, 82, 0.18);
}

.message-list-item-top {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.message-list-item-main {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.message-list-item-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.88rem;
}

.message-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.meta-item {
  padding: 12px;
  background: #f5f8f6;
  border-radius: 12px;
  min-width: 0;
}

.meta-item-wide {
  grid-column: span 2;
}

.message-meta strong, .message-meta span {
  display: block;
}

.message-meta strong {
  margin-bottom: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

.message-section {
  margin-top: 18px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.wrap-value {
  overflow-wrap: anywhere;
  word-break: break-word;
}

pre {
  margin: 0;
  padding: 16px;
  overflow: auto;
  border-radius: 14px;
  background: #122019;
  color: #ecfff7;
}

.message-body {
  line-height: 1.55;
  font-size: 0.95rem;
  white-space: pre-wrap;
}

.message-body code {
  font-family: Consolas, "Cascadia Code", "Courier New", monospace;
}

.message-body-json {
  white-space: pre;
}

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

@media (max-width: 720px) {
  .panel-header { flex-direction: column; }
  select { min-width: 100%; }
  .meta-item-wide { grid-column: span 1; }
}