:root {
  --bg: #f4f0e8;
  --panel: #fffaf3;
  --panel-strong: #fffdf9;
  --ink: #1c1914;
  --muted: #665f55;
  --accent: #215a4f;
  --accent-soft: #dcebe7;
  --line: #ddd1c0;
  --warning: #955a12;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(33, 90, 79, 0.12), transparent 30%),
    linear-gradient(180deg, #f7f3eb 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 3rem 1rem;
  align-items: end;
}

.brand,
h2,
h3 {
  margin: 0;
  font-family: "IBM Plex Serif", Georgia, serif;
}

.eyebrow,
.section-label,
.metric-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--muted);
}

.shell {
  padding: 1rem 3rem 3rem;
}

.topbar-meta,
.summary-grid,
.detail-grid {
  display: grid;
  gap: 1rem;
}

.topbar-meta {
  grid-auto-flow: column;
  align-items: center;
}

.chip,
.status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  background: var(--accent-soft);
  color: var(--accent);
}

button,
select,
textarea {
  font: inherit;
}

.hero,
.panel,
.summary-card,
.hero-card,
.message-card,
.job-row {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 22px;
  box-shadow: 0 12px 30px rgba(28, 25, 20, 0.06);
}

.hero {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.hero p {
  max-width: 60ch;
}

.hero-card {
  background: linear-gradient(160deg, #1f473f 0%, #2d6d60 100%);
  color: #f9f4ec;
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
}

.hero-card .metric-label {
  color: rgba(249, 244, 236, 0.7);
}

.summary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 1.25rem;
}

.summary-card,
.panel {
  padding: 1.25rem;
}

.summary-card strong {
  display: block;
  margin-top: 0.4rem;
  font-size: 2rem;
}

.panel-header,
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.compact-header {
  align-items: center;
}

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

.ticket-table th,
.ticket-table td {
  padding: 0.8rem 0.5rem;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.ticket-table thead th {
  border-top: none;
  color: var(--muted);
  font-size: 0.85rem;
}

.ticket-table a,
.back-link {
  color: var(--accent);
  text-decoration: none;
}

.ticket-table a:hover,
.back-link:hover {
  text-decoration: underline;
}

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

.detail-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
}

.stack {
  display: grid;
  gap: 0.8rem;
}

.message-card,
.job-row {
  padding: 0.9rem;
  background: var(--panel-strong);
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.7rem 0.85rem;
  background: #fff;
  color: var(--ink);
}

.meta-pair {
  display: grid;
  gap: 0.35rem;
}

.message-meta,
.job-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.message-subject {
  margin: 0.7rem 0 0.35rem;
  font-weight: 600;
}

.recipient-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0.5rem 0;
}

.recipient-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.prompt-block summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
}

.chip-note {
  margin-left: 0.35rem;
  opacity: 0.75;
}

.message-body {
  white-space: pre-wrap;
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 0.92rem;
}

.action-button {
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: #fffaf3;
  padding: 0.7rem 1rem;
  cursor: pointer;
  font-weight: 600;
}

.action-button:hover {
  filter: brightness(1.08);
}

.status-acknowledgement-pending,
.status-customer-replied {
  background: #f8ead3;
  color: var(--warning);
}

.status-ack-draft-ready {
  background: var(--accent-soft);
  color: var(--accent);
}

@media (max-width: 960px) {
  .topbar,
  .hero,
  .summary-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .shell,
  .topbar {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .topbar {
    align-items: start;
  }
}