:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: #f5f7fb;
  color: #172033;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid #254d8f;
  border-radius: 6px;
  background: #285aa5;
  color: white;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: #1f4b8e;
}

button.secondary {
  border-color: #c8d1df;
  background: #ffffff;
  color: #25324a;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cbd4e1;
  border-radius: 6px;
  padding: 9px 10px;
  background: #ffffff;
  color: #172033;
}

label {
  display: grid;
  gap: 6px;
  color: #44516a;
  font-size: 0.88rem;
  font-weight: 700;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 24px;
  border-bottom: 1px solid #dce3ee;
  background: #ffffff;
}

.topbar h1 {
  margin: 0;
  font-size: 1.2rem;
}

.topbar p {
  margin: 3px 0 0;
  color: #607089;
}

.status-strip {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: #e8f5ee;
  color: #17603a;
  font-size: 0.82rem;
  font-weight: 800;
}

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(250px, 310px) 1fr;
  grid-template-areas:
    "form agent list"
    "form detail detail";
  gap: 16px;
  padding: 16px;
}

.panel {
  border: 1px solid #dce3ee;
  border-radius: 8px;
  background: #ffffff;
  padding: 16px;
}

.task-form {
  grid-area: form;
}

.agent-panel {
  grid-area: agent;
}

.task-list-panel {
  grid-area: list;
  min-height: 270px;
}

.detail-panel {
  grid-area: detail;
}

.panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-heading h2 {
  margin: 0;
  font-size: 1rem;
}

.panel-heading span {
  color: #6b7890;
  font-size: 0.82rem;
  font-weight: 700;
}

form {
  display: grid;
  gap: 12px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 10px;
}

.metrics {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
}

.metrics div {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid #e1e7f0;
  border-radius: 6px;
  background: #f8fafc;
}

.metrics dt {
  color: #68758b;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metrics dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 800;
}

.task-list {
  display: grid;
  gap: 10px;
}

.task-row {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 12px;
  border: 1px solid #dbe4ef;
  border-radius: 8px;
  background: #fbfcff;
  color: #172033;
  text-align: left;
}

.task-row strong {
  font-size: 0.95rem;
}

.task-row span {
  color: #66748b;
  font-size: 0.8rem;
}

.task-row.is-selected {
  border-color: #285aa5;
  box-shadow: 0 0 0 2px rgba(40, 90, 165, 0.14);
}

#task-detail {
  min-height: 190px;
  max-height: 330px;
  overflow: auto;
  margin: 0 0 12px;
  border: 1px solid #dce3ee;
  border-radius: 6px;
  padding: 12px;
  background: #101828;
  color: #d8e4f2;
  font-size: 0.78rem;
  line-height: 1.45;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

#toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: min(420px, calc(100vw - 32px));
  min-height: 0;
  border-radius: 8px;
  padding: 0;
  background: #172033;
  color: #ffffff;
  box-shadow: 0 12px 34px rgba(22, 31, 48, 0.22);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

#toast.is-visible {
  padding: 12px 14px;
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "agent"
      "form"
      "list"
      "detail";
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .layout {
    padding: 10px;
  }

  .split,
  .action-grid {
    grid-template-columns: 1fr;
  }
}