:root {
  --ink: #0f172a;
  --gold: #f59e0b;
  --cream: #f6efe4;
  --panel: rgba(255, 255, 255, 0.92);
  --line: rgba(15, 23, 42, 0.1);
  --muted: #617084;
  --shadow: 0 28px 72px rgba(15, 23, 42, 0.12);
  --display: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --body: "Aptos", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  background: linear-gradient(180deg, #fffdf8 0%, var(--cream) 100%);
}

.shell {
  width: min(1240px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 28px;
}

.top-shell, .panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.top-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto minmax(260px, 300px);
  gap: 14px;
  align-items: start;
  padding: 18px;
  margin-bottom: 14px;
}

.brand-logo {
  width: 140px;
  display: block;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
}

h1, h2 { margin: 0; }

h1 {
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.2vw, 3rem);
  letter-spacing: -0.04em;
}

.ops-intro {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
}

.top-note,
.panel-note {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.ops-metrics {
  display: grid;
  gap: 10px;
}

.ops-stat {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.04);
}

.ops-stat span {
  color: var(--muted);
  font-size: 0.82rem;
}

.ops-stat strong {
  font-size: 1.5rem;
  font-family: var(--display);
}

.admin-card,
.form-grid {
  display: grid;
  gap: 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.panel { padding: 18px; }

.panel-head { margin-bottom: 12px; }

.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 8px;
}

label span,
.empty,
.meta span {
  color: var(--muted);
  font-size: 0.82rem;
}

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

input,
select,
button,
.primary-link,
.ghost-link,
.ghost-button {
  border-radius: 16px;
  padding: 11px 14px;
  font: inherit;
}

input,
select {
  border: 1px solid var(--line);
  background: white;
}

button,
.primary-link,
.ghost-link,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  text-decoration: none;
  font-weight: 700;
}

button,
.primary-link {
  border: none;
  background: linear-gradient(135deg, var(--ink), #18243c);
  color: white;
  cursor: pointer;
}

.ghost-link {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}

.ghost-button {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
  cursor: pointer;
}

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

.form-actions > * {
  flex: 1 1 220px;
}

.list-stack {
  display: grid;
  gap: 12px;
}

.list-card {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.86);
}

.list-card strong {
  display: block;
  font-size: 1.02rem;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  flex-wrap: wrap;
}

.card-mode {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.meta, .actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.assign-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.assign-row .assign-select {
  flex: 1 1 240px;
}

.assign-row .assign-button {
  flex: 0 1 180px;
}

.actions button,
.actions .ghost-link,
.actions .primary-link,
.actions .ghost-button,
.actions .accent-link {
  flex: 1 1 140px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  font-size: 0.76rem;
  font-weight: 700;
}

.status-chip.available {
  background: rgba(37, 211, 102, 0.14);
  color: #0f766e;
}

.status-chip.assigned {
  background: rgba(245, 158, 11, 0.14);
  color: #b45309;
}

.status-chip.live {
  background: rgba(16, 185, 129, 0.16);
  color: #047857;
}

.status-chip.blocked {
  background: rgba(239, 68, 68, 0.14);
  color: #b91c1c;
}

.status-chip.shared-mode {
  background: rgba(59, 130, 246, 0.12);
  color: #1d4ed8;
}

.status-chip.dedicated-mode {
  background: rgba(148, 163, 184, 0.16);
  color: #334155;
}

.accent-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 16px;
  padding: 11px 14px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid rgba(29, 78, 216, 0.16);
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: #1d4ed8;
}

.accent-link[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

.validation-block {
  display: grid;
  gap: 10px;
  padding-top: 4px;
}

.validation-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.validation-summary {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.validation-summary.live {
  background: rgba(16, 185, 129, 0.08);
}

.validation-summary.blocked {
  background: rgba(239, 68, 68, 0.06);
}

.validation-summary span {
  color: var(--muted);
  font-size: 0.8rem;
}

.validation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.validation-item {
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.03);
}

.validation-item.ok {
  background: rgba(16, 185, 129, 0.08);
}

.validation-item.fail {
  background: rgba(239, 68, 68, 0.05);
}

.validation-item-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.validation-item-top span {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.validation-item p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

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

  .top-shell {
    align-items: flex-start;
  }

  .ops-intro {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
  }

  .assign-row {
    flex-direction: column;
  }

  .assign-row .assign-button,
  .assign-row .assign-select {
    width: 100%;
    flex: 1 1 auto;
  }

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