:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: #111c2b;
  --panel-2: #0c1624;
  --line: #223047;
  --text: #e6edf7;
  --muted: #91a1b8;
  --accent: #53b7ff;
  --accent-2: #91d5ff;
  --success: #33d69f;
  --warning: #f8c76b;
  --danger: #ff7882;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(36, 89, 145, 0.28), transparent 34rem), var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: #0a1422;
  color: var(--text);
  font: inherit;
}

button {
  cursor: pointer;
  padding: 0.62rem 0.95rem;
  background: linear-gradient(180deg, #1d314d, #111c2e);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 8px 20px rgba(0, 0, 0, 0.18);
}

button:hover,
a:hover {
  border-color: rgba(83, 183, 255, 0.7);
  color: var(--accent-2);
}

input,
select {
  padding: 0.65rem 0.8rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 12, 22, 0.86);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1,
.panel h2,
.empty-state h3 {
  margin: 0;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.nav-pills a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  background: rgba(17, 28, 43, 0.8);
  color: var(--muted);
  font-size: 0.86rem;
}

.nav-pills a.active {
  color: var(--text);
  border-color: rgba(83, 183, 255, 0.5);
}

.shell {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: 1.25rem;
}

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

.metric-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(17, 28, 43, 0.96), rgba(9, 18, 31, 0.96));
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.24);
}

.metric-card {
  padding: 1rem;
}

.metric-card span,
.muted,
td span,
.message-card span,
.side-card p,
.empty-state p {
  color: var(--muted);
}

.metric-card strong {
  display: block;
  margin-top: 0.35rem;
  font-size: 2rem;
}

.layout-grid,
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 1rem;
}

.panel {
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 160px auto;
  gap: 0.75rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
}

.inline-form {
  margin: 0;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

th,
td {
  padding: 0.82rem 1rem;
  border-bottom: 1px solid rgba(34, 48, 71, 0.8);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td strong,
td span {
  display: block;
}

.subject-link {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--text);
  font-weight: 700;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status-pill.open {
  border-color: rgba(51, 214, 159, 0.48);
  color: var(--success);
}

.status-pill.new {
  border-color: rgba(248, 199, 107, 0.5);
  color: var(--warning);
}

.status-pill.closed {
  border-color: rgba(145, 161, 184, 0.4);
  color: var(--muted);
}

.status-quick-form {
  margin: 0;
}

.status-select {
  width: auto;
  min-width: 5.4rem;
  cursor: pointer;
  appearance: none;
  background: #0a1422;
  text-align: center;
}

.status-select:hover,
.status-select:focus {
  border-color: rgba(83, 183, 255, 0.7);
  color: var(--accent-2);
  outline: none;
}

.side-panel {
  padding: 1rem;
}

.side-card {
  margin-top: 0.9rem;
  border: 1px solid rgba(34, 48, 71, 0.85);
  border-radius: 0.9rem;
  padding: 0.9rem;
  background: var(--panel-2);
}

.side-card p {
  margin: 0.35rem 0 0;
  line-height: 1.5;
}

.side-card.disabled {
  opacity: 0.72;
}

.danger-card {
  border-color: rgba(255, 120, 130, 0.42);
}

.danger-button {
  border-color: rgba(255, 120, 130, 0.55);
  color: #ffd0d3;
  background: linear-gradient(180deg, #4b1d2a, #24101a);
}

.panel-link {
  display: inline-block;
  margin-top: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  padding: 0.55rem 0.8rem;
  background: rgba(10, 20, 34, 0.8);
  color: var(--text);
  font-weight: 700;
}

.empty-state {
  padding: 3rem 1rem;
  text-align: center;
}

.empty-state p {
  margin: 0.7rem auto 1.1rem;
  max-width: 560px;
}

.flash-stack {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.flash {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.85rem 1rem;
  background: rgba(17, 28, 43, 0.95);
}

.flash.success {
  border-color: rgba(51, 214, 159, 0.45);
}

.flash.error {
  border-color: rgba(255, 120, 130, 0.45);
  color: #ffd0d3;
}

.back-link {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.message-thread {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.message-card {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(12, 22, 36, 0.78);
  padding: 1rem;
}

.message-card header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.message-card pre {
  margin: 0;
  white-space: pre-wrap;
  color: #d7e1ef;
  font-family: inherit;
  line-height: 1.55;
}

.stacked-form {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.settings-form {
  display: grid;
  gap: 1.1rem;
  padding: 1rem;
}

.settings-section {
  display: grid;
  gap: 1rem;
  border: 1px solid rgba(34, 48, 71, 0.85);
  border-radius: 0.9rem;
  padding: 1rem;
  background: rgba(12, 22, 36, 0.45);
}

.settings-section h3 {
  margin: 0;
}

.settings-section > p {
  margin: -0.5rem 0 0;
}

.settings-form label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-weight: 700;
}

.settings-form input {
  width: 100%;
}

.form-row {
  display: grid;
  grid-template-columns: minmax(160px, 0.4fr) minmax(0, 1fr);
  gap: 1rem;
}

.account-card {
  display: grid;
  gap: 0.8rem;
  border: 1px solid rgba(34, 48, 71, 0.75);
  border-radius: 0.8rem;
  padding: 0.9rem;
  background: rgba(7, 17, 31, 0.5);
}

.checkbox-row {
  display: flex !important;
  align-items: center;
  gap: 0.6rem !important;
}

.checkbox-row input {
  width: auto;
}

@media (max-width: 980px) {
  .topbar,
  .layout-grid,
  .detail-layout {
    display: block;
  }

  .nav-pills,
  .side-panel {
    margin-top: 1rem;
  }

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

  .toolbar {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}