:root {
  --bg: #0b1020;
  --panel: rgba(16, 24, 40, 0.78);
  --panel-2: rgba(15, 23, 42, 0.92);
  --border: rgba(148, 163, 184, 0.18);
  --text: #e5eefc;
  --muted: #94a3b8;
  --accent: #60a5fa;
  --accent-2: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --radius: 20px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(96,165,250,0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(34,197,94,0.18), transparent 24%),
    linear-gradient(180deg, #07101f 0%, #0b1020 100%);
  color: var(--text);
  min-height: 100vh;
}

.shell {
  max-width: 1380px;
  margin: 0 auto;
  padding: 28px;
}

.hero {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr;
  gap: 20px;
  margin-bottom: 24px;
}

.hero-card,
.meta-card,
.panel {
  background: var(--panel);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(96, 165, 250, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.25);
  color: #bfdbfe;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  max-width: 70ch;
}

.meta-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.meta-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 8px;
}

.meta-value {
  font-size: 15px;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 14px;
  word-break: break-word;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  width: fit-content;
  border: 1px solid rgba(34,197,94,0.25);
  background: rgba(34,197,94,0.12);
  color: #bbf7d0;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 0 14px currentColor;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.card {
  padding: 18px 18px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.card-label {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.card-value {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.card-sub {
  font-size: 12px;
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.panel {
  padding: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.panel-title {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.panel-sub {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.input,
.select,
.button {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
}

.input {
  min-width: 260px;
}

.button {
  cursor: pointer;
  font-weight: 700;
  background: linear-gradient(180deg, rgba(96,165,250,0.22), rgba(96,165,250,0.12));
}

.button:hover {
  border-color: rgba(96,165,250,0.45);
}

.button-danger {
  background: linear-gradient(180deg, rgba(239,68,68,0.22), rgba(239,68,68,0.12));
  border-color: rgba(239,68,68,0.3);
  color: #fecaca;
}

.button-danger:hover {
  border-color: rgba(239,68,68,0.55);
}

.button-success {
  background: linear-gradient(180deg, rgba(34,197,94,0.22), rgba(34,197,94,0.12));
  border-color: rgba(34,197,94,0.3);
  color: #bbf7d0;
}

.button-success:hover {
  border-color: rgba(34,197,94,0.55);
}

.table-wrap {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1000px;
  background: rgba(8, 15, 30, 0.76);
}

th, td {
  text-align: left;
  padding: 13px 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  vertical-align: top;
  font-size: 14px;
}

th {
  color: #dbeafe;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(15, 23, 42, 0.95);
  position: sticky;
  top: 0;
}

tr:hover td {
  background: rgba(30, 41, 59, 0.32);
}

.id-cell {
  max-width: 320px;
  word-break: break-word;
  color: #cbd5e1;
  font-size: 13px;
}

.time-cell {
  white-space: nowrap;
  color: #cbd5e1;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}

.badge-alert {
  color: #fde68a;
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.25);
}

.badge-ack {
  color: #bbf7d0;
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.24);
}

.badge-unack {
  color: #fecaca;
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.24);
}

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

.footer-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.error-box {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(127, 29, 29, 0.24);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #fecaca;
  display: none;
}

/* Modal overlay */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  width: min(500px, 94vw);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.modal-sub {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 13px;
}

.form-field {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 6px;
}

.form-input,
.form-textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* Detail panel */
.detail-panel {
  margin-top: 18px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.85);
  display: none;
}

.detail-panel.active {
  display: block;
}

.detail-panel-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--accent);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.detail-item-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 4px;
}

.detail-item-value {
  font-size: 14px;
  word-break: break-all;
}

/* Loading / empty states */
.state-row td {
  padding: 28px 12px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }
}

@media (max-width: 700px) {
  .shell {
    padding: 18px;
  }

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

  .input {
    min-width: 100%;
  }
}