:root {
  color-scheme: light;
  --bg: #eef2f4;
  --panel: #ffffff;
  --panel-2: #f8fafb;
  --text: #172126;
  --muted: #66757d;
  --border: #d9e1e5;
  --teal: #087f7a;
  --teal-soft: #e4f5f3;
  --amber: #aa6a00;
  --amber-soft: #fff3d8;
  --red: #b42318;
  --red-soft: #fee4e2;
  --shadow: 0 16px 50px rgba(28, 43, 51, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(420px, 1fr) 360px;
  gap: 16px;
  height: 100vh;
  padding: 16px;
  overflow: hidden;
}

.sidebar,
.chat-panel,
.task-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.sidebar,
.task-panel {
  padding: 18px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--teal);
  color: #fff;
  font-weight: 800;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 18px;
}

h2 {
  font-size: 22px;
  line-height: 1.2;
}

.brand-row p,
.topbar p,
.section-head p,
.composer-actions p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.section-title {
  color: #405159;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.agent-list {
  display: grid;
  gap: 8px;
}

.agent-card {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--teal-soft);
  color: var(--teal);
  font-weight: 800;
  font-size: 13px;
}

.agent-card strong {
  display: block;
  font-size: 14px;
}

.agent-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.safety-box {
  margin-top: 20px;
  padding: 14px;
  background: var(--amber-soft);
  border: 1px solid #f2d38b;
  border-radius: 8px;
}

.safety-box ul {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.safety-box li {
  color: #654008;
  font-size: 13px;
  line-height: 1.35;
}

.connectors-box {
  margin-top: 18px;
}

.connector-list {
  display: grid;
  gap: 8px;
}

.connector-card {
  display: grid;
  gap: 3px;
  padding: 9px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.connector-card strong {
  font-size: 13px;
}

.connector-card span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.chat-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.top-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.button,
button {
  border: 0;
  border-radius: 8px;
  background: var(--teal);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
  font-size: 13px;
  padding: 10px 12px;
  text-decoration: none;
  white-space: nowrap;
}

.secondary {
  background: #edf4f5;
  color: #204b50;
}

.icon-button {
  width: 40px;
  height: 40px;
  padding: 0;
  font-size: 18px;
}

.auth-banner {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid #f2d38b;
  background: var(--amber-soft);
}

.auth-banner.hidden {
  display: none;
}

.auth-banner strong {
  display: block;
  font-size: 14px;
}

.auth-banner p {
  color: #654008;
  font-size: 13px;
}

#tokenForm {
  display: flex;
  gap: 8px;
  min-width: 360px;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
  padding: 18px 20px;
  background:
    linear-gradient(#f8fafb 1px, transparent 1px),
    linear-gradient(90deg, #f8fafb 1px, transparent 1px);
  background-size: 24px 24px;
}

.message {
  max-width: 820px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.message-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.message-meta strong {
  font-size: 14px;
}

.badge {
  border-radius: 999px;
  padding: 3px 8px;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
}

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

.message-text {
  white-space: pre-wrap;
  line-height: 1.45;
  font-size: 14px;
}

.composer {
  display: grid;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  background: #fff;
}

label {
  display: grid;
  gap: 6px;
  color: #405159;
  font-size: 12px;
  font-weight: 800;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 10px 11px;
  font-size: 14px;
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 68px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(8, 127, 122, 0.12);
}

.composer-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.task-panel {
  display: grid;
  align-content: start;
  gap: 18px;
  overflow: auto;
}

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

.task-card {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
}

.task-card header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
  margin-bottom: 8px;
}

.task-card strong {
  font-size: 14px;
  line-height: 1.3;
}

.task-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.risk {
  color: var(--amber);
  background: var(--amber-soft);
}

.risk.Production,
.risk.High {
  color: var(--red);
  background: var(--red-soft);
}

.task-form {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

@media (max-width: 1100px) {
  .app-shell {
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .app-shell {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .task-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
    padding: 10px;
  }

  .topbar,
  .auth-banner,
  .composer-actions {
    align-items: stretch;
    flex-direction: column;
  }

  #tokenForm {
    min-width: 0;
  }

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

  .messages {
    min-height: 420px;
  }
}