:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --ink: #18202a;
  --muted: #657386;
  --line: #d9e0e8;
  --panel: #ffffff;
  --primary: #176b87;
  --primary-strong: #0f5369;
  --accent: #c66a32;
  --good: #1b7f4b;
  --bad: #b42318;
  --shadow: 0 10px 30px rgba(31, 45, 61, 0.08);
}

* {
  box-sizing: border-box;
}

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

button,
input {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f9fbfc;
  color: var(--ink);
  padding: 0 14px;
  cursor: pointer;
}

button:hover {
  border-color: #9fb0c1;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

button.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

button.primary:hover {
  background: var(--primary-strong);
}

input {
  width: 100%;
  min-width: 0;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  background: #fff;
  color: var(--ink);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 32px;
  background: #101820;
  color: #fff;
}

.eyebrow {
  margin: 0 0 5px;
  color: #9fb8c7;
  font-size: 12px;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  font-weight: 700;
}

h2 {
  font-size: 17px;
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 4px 10px;
  color: #e8f1f6;
  font-size: 13px;
}

.status-pill.ok {
  border-color: rgba(31, 189, 111, 0.55);
  color: #c9f3d7;
}

.status-pill.warn {
  border-color: rgba(250, 176, 5, 0.55);
  color: #ffe8ad;
}

.shell {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(360px, 1.2fr);
  gap: 18px;
  width: min(1440px, calc(100% - 32px));
  margin: 18px auto 32px;
}

.panel {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 16px;
  box-shadow: var(--shadow);
}

.session-panel,
.asset-panel {
  min-height: 460px;
}

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

.muted {
  color: var(--muted);
  font-size: 13px;
}

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

.search-grid {
  grid-template-columns: minmax(0, 1fr) 150px;
}

.button-row,
.button-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.turnstile-box {
  min-height: 70px;
}

.list {
  display: grid;
  gap: 8px;
  max-height: 300px;
  overflow: auto;
}

.list.compact {
  max-height: 230px;
}

.item-button {
  display: grid;
  gap: 4px;
  width: 100%;
  min-height: 56px;
  border-radius: 6px;
  text-align: left;
  background: #fff;
}

.item-button.selected {
  border-color: var(--primary);
  background: #eef9fc;
}

.item-title {
  color: var(--ink);
  font-weight: 650;
}

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

.output {
  min-height: 250px;
  max-height: 620px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #111827;
  color: #d7e2ee;
  padding: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}

.session-summary {
  display: grid;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: #f9fbfc;
}

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

.option-button {
  min-height: 54px;
  text-align: left;
  background: #fffdf8;
  border-color: #e2cdbd;
}

.turn-log {
  display: grid;
  gap: 12px;
  max-height: 520px;
  overflow: auto;
}

.turn-entry {
  border-left: 4px solid var(--accent);
  padding: 8px 10px;
  background: #fffaf5;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10;
  max-width: min(520px, calc(100% - 36px));
  border-radius: 8px;
  background: #101820;
  color: #fff;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.error {
  background: var(--bad);
}

.toast.success {
  background: var(--good);
}

@media (max-width: 920px) {
  .topbar {
    display: grid;
    padding: 20px;
  }

  .status-strip {
    justify-content: flex-start;
  }

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

  .form-grid,
  .search-grid,
  .button-grid {
    grid-template-columns: 1fr;
  }
}