/* PLC Lab Agent login + chat branding */

:root {
  --plc-blue: #0058a8;
  --plc-blue-deep: #083878;
  --plc-orange: #f87810;
  --plc-orange-soft: #fff4eb;
  --plc-blue-soft: #e8f1fb;
}

#message-composer textarea,
.step-output,
.markdown-body,
.message-content {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace !important;
  font-size: 0.9rem;
  line-height: 1.45;
}

/* Applied by login.js on the login route */
body.plc-login {
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--plc-blue-soft), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 100%, var(--plc-orange-soft), transparent 55%),
    #ffffff !important;
}

body.plc-login .plc-login-shell {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 100svh !important;
  width: 100% !important;
  grid-template-columns: none !important;
  background: transparent !important;
}

body.plc-login .plc-login-panel {
  display: none !important;
}

body.plc-login .plc-login-card {
  width: 100%;
  max-width: 26rem;
  margin: 0 auto;
  padding: 2rem 1.5rem !important;
  background: #ffffff;
  border: 1px solid color-mix(in srgb, var(--plc-blue) 18%, #e5e7eb);
  border-top: 3px solid var(--plc-orange);
  border-radius: 1rem;
  box-shadow:
    0 1px 2px rgba(8, 56, 120, 0.04),
    0 12px 32px rgba(0, 88, 168, 0.08);
}

body.plc-login .plc-login-card .logo {
  max-height: 2.75rem !important;
  width: auto !important;
  max-width: 180px;
}

body.plc-login .plc-login-logo-row {
  justify-content: center !important;
  margin-bottom: 0.75rem;
}

body.plc-login .plc-login-title {
  margin: 0 0 0.25rem;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--plc-blue);
  text-align: center;
  border-bottom: 3px solid var(--plc-orange);
  padding-bottom: 0.4rem;
}

body.plc-login form h1 {
  color: #334155 !important;
  font-size: 1rem !important;
  font-weight: 500 !important;
}

body.plc-login form label {
  color: var(--plc-blue-deep) !important;
}

body.plc-login form input {
  background: #ffffff !important;
  border-color: color-mix(in srgb, var(--plc-blue) 22%, #cbd5e1) !important;
  color: #0f172a !important;
}

body.plc-login form input:focus-visible {
  border-color: var(--plc-orange) !important;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--plc-orange) 35%, transparent) !important;
}

body.plc-login form button[type="submit"] {
  background-color: var(--plc-blue) !important;
  color: #ffffff !important;
  border: none !important;
  font-weight: 600 !important;
}

body.plc-login form button[type="submit"]:hover {
  background-color: var(--plc-blue-deep) !important;
}

body.plc-login form button[type="button"] {
  color: var(--plc-orange) !important;
}

*:focus-visible {
  outline-color: var(--plc-orange) !important;
}

img[alt*="logo" i],
header img {
  max-height: 2.25rem;
  width: auto;
}

/* Message avatar: geometric mark, not the wide wordmark. */
img[alt^="Avatar"] {
  width: 1.75rem !important;
  height: 1.75rem !important;
  max-width: 1.75rem !important;
  max-height: 1.75rem !important;
  object-fit: contain !important;
  background: transparent !important;
}

.inline-custom:has(.plc-admin) {
  width: 100%;
}

.message-content .plc-admin,
.message-content .plc-admin * {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif !important;
  letter-spacing: normal;
  box-sizing: border-box;
}

.message-content .plc-admin {
  container-type: inline-size;
  width: 100%;
  background: #ffffff;
  color: var(--plc-blue-deep);
  border: 1px solid #d7e3f0;
  border-top: 3px solid var(--plc-orange);
  border-radius: 0.85rem;
  overflow: hidden;
}

.message-content .plc-admin-shell {
  display: flex;
  align-items: stretch;
  min-height: 24rem;
}

.message-content .plc-admin-side {
  flex: 0 0 11.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 0.6rem 0.7rem;
  background: #f7fafd;
  border-right: 1px solid #e1eaf3;
}

.message-content .plc-admin-brand {
  margin: 0;
  padding: 0.1rem 0.45rem 0.45rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--plc-blue);
}

.message-content .plc-admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.message-content .plc-admin-nav button {
  display: flex !important;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
  margin: 0;
  text-align: left;
  border: 1px solid transparent !important;
  background: transparent !important;
  color: var(--plc-blue-deep) !important;
  border-radius: 0.35rem;
  padding: 0.42rem 0.5rem;
  font-size: 0.75rem !important;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: none !important;
}

.message-content .plc-admin-nav button svg {
  flex: 0 0 auto;
  color: var(--plc-blue);
}

.message-content .plc-admin-nav button.is-active {
  background: var(--plc-blue-soft) !important;
  color: var(--plc-blue) !important;
}

.message-content .plc-admin-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  padding: 0.7rem 0.35rem 0.15rem;
  border-top: 1px solid #e1eaf3;
}

.message-content .plc-admin-avatar {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  background: var(--plc-blue);
  color: #ffffff !important;
  font-size: 0.68rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.message-content .plc-admin-foot-text {
  min-width: 0;
}

.message-content .plc-admin-foot-text strong,
.message-content .plc-admin-foot-text span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-content .plc-admin-foot-text strong {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-foot-text span {
  font-size: 0.68rem;
  font-weight: 500;
  color: #5b6b80;
}

.message-content .plc-admin-main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: #ffffff;
}

.message-content .plc-admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 2.55rem;
  padding: 0 1rem;
  border-bottom: 1px solid #e8eef5;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-count {
  font-size: 0.72rem;
  font-weight: 600;
  color: #5b6b80;
}

.message-content .plc-admin-body {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1rem 1rem 1.1rem;
}

.message-content .plc-admin-title {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.2;
  font-weight: 700;
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-hint,
.message-content .plc-admin-empty {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #5b6b80;
}

.message-content .plc-admin-notice {
  margin: 0;
  padding: 0.45rem 0.65rem;
  border-radius: 0.4rem;
  background: var(--plc-blue-soft);
  color: var(--plc-blue-deep);
  font-size: 0.78rem;
  line-height: 1.4;
}

.message-content .plc-admin-notice.is-err {
  background: var(--plc-orange-soft);
  color: #9a4b08;
}

.message-content .plc-admin-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.message-content .plc-admin-action {
  display: flex !important;
  align-items: flex-start;
  gap: 0.55rem;
  width: 100%;
  min-height: 4.15rem;
  margin: 0;
  padding: 0.7rem 0.75rem;
  text-align: left;
  background: #ffffff !important;
  color: var(--plc-blue-deep) !important;
  border: 1px solid #d7e3f0 !important;
  border-radius: 0.5rem;
  cursor: pointer;
  box-shadow: none !important;
}

.message-content .plc-admin-action svg {
  flex: 0 0 auto;
  margin-top: 0.12rem;
  color: var(--plc-blue);
}

.message-content .plc-admin-action.is-create svg {
  color: var(--plc-orange);
}

.message-content .plc-admin-action strong,
.message-content .plc-admin-action em {
  display: block;
  font-style: normal;
}

.message-content .plc-admin-action strong {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-action em {
  margin-top: 0.15rem;
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.35;
  color: #6b7c90;
}

.message-content .plc-admin-banner {
  background: var(--plc-orange-soft);
  border-radius: 0.5rem;
  padding: 0.95rem 1rem 1rem;
}

.message-content .plc-admin-banner h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-banner p {
  margin: 0 0 0.75rem;
  max-width: 36rem;
  font-size: 0.75rem;
  line-height: 1.5;
  font-weight: 500;
  color: #6a5848;
}

.message-content .plc-admin-banner-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.message-content .plc-admin-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.message-content .plc-admin-stat {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 5.25rem;
  padding: 0.75rem 0.85rem 0.7rem;
  background: #ffffff;
  border: 1px solid #d7e3f0;
  border-radius: 0.5rem;
}

.message-content .plc-admin-stat span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-stat strong {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--plc-blue);
}

.message-content .plc-admin-section {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-table-wrap {
  overflow-x: auto;
}

.message-content .plc-admin table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.message-content .plc-admin th {
  padding: 0.4rem 0.45rem;
  text-align: left;
  font-weight: 600;
  color: #5b6b80;
  border-bottom: 1px solid #e6eef6;
}

.message-content .plc-admin td {
  padding: 0.5rem 0.45rem;
  color: var(--plc-blue-deep);
  border-top: 1px solid #e6eef6;
}

.message-content .plc-admin tbody tr {
  cursor: pointer;
}

.message-content .plc-admin tbody tr:hover td {
  background: #f4f8fc;
}

.message-content .plc-admin tbody tr.is-selected td {
  background: var(--plc-blue-soft);
}

.message-content .plc-admin-you {
  margin-left: 0.35rem;
  color: var(--plc-orange);
  font-size: 0.68rem;
  font-weight: 700;
}

.message-content .plc-admin-pill {
  display: inline-flex;
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  font-size: 0.68rem;
  font-weight: 700;
  white-space: nowrap;
}

.message-content .plc-admin-pill.is-admin {
  background: var(--plc-blue-soft);
  color: var(--plc-blue);
}

.message-content .plc-admin-pill.is-user {
  background: var(--plc-orange-soft);
  color: #9a4b08;
}

.message-content .plc-admin-form {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  max-width: 22rem;
}

.message-content .plc-admin label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #3d5270;
}

.message-content .plc-admin input {
  width: 100%;
  height: 2.15rem;
  margin: 0;
  padding: 0 0.6rem;
  border: 1px solid #c5d4e6 !important;
  border-radius: 0.45rem;
  background: #ffffff !important;
  color: #0f172a !important;
  font-size: 0.875rem !important;
  box-shadow: none !important;
}

.message-content .plc-admin input:focus {
  outline: none;
  border-color: var(--plc-orange) !important;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--plc-orange) 35%, transparent) !important;
}

.message-content .plc-admin-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.message-content .plc-admin-btn,
.message-content .plc-admin-link {
  margin: 0;
  cursor: pointer;
  box-shadow: none !important;
}

.message-content .plc-admin-btn {
  height: 2rem;
  padding: 0 0.8rem;
  border: 1px solid transparent !important;
  border-radius: 0.4rem;
  font-size: 0.75rem !important;
  font-weight: 600;
}

.message-content .plc-admin-btn.primary {
  background: var(--plc-blue) !important;
  color: #ffffff !important;
}

.message-content .plc-admin-btn.primary:hover:not(:disabled) {
  background: var(--plc-blue-deep) !important;
}

.message-content .plc-admin-btn.accent {
  background: var(--plc-orange) !important;
  color: #ffffff !important;
  border-color: #d96508 !important;
}

.message-content .plc-admin-btn.danger {
  background: #ffffff !important;
  color: #b42318 !important;
  border-color: #f3c0bb !important;
}

.message-content .plc-admin-btn.ghost {
  background: #f4f7fb !important;
  color: var(--plc-blue-deep) !important;
  border-color: #d7e3f0 !important;
}

.message-content .plc-admin-btn:disabled {
  opacity: 0.55;
  cursor: default;
}

.message-content .plc-admin-link {
  padding: 0 !important;
  border: none !important;
  background: none !important;
  color: var(--plc-blue) !important;
  font-size: 0.75rem !important;
  font-weight: 600;
}

.message-content .plc-admin-secret {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
  letter-spacing: 0.14em;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-picks {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.message-content .plc-admin-picks button {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  margin: 0;
  padding: 0.45rem 0.65rem;
  text-align: left;
  border: 1px solid #d7e3f0 !important;
  border-radius: 0.45rem;
  background: #ffffff !important;
  color: var(--plc-blue-deep) !important;
  font-size: 0.78rem !important;
  font-weight: 600;
  cursor: pointer;
  box-shadow: none !important;
}

.message-content .plc-admin-picks button span {
  font-weight: 500;
  color: #5b6b80;
}

.message-content .plc-admin-picks button.is-active {
  background: var(--plc-orange-soft) !important;
  border-color: var(--plc-orange) !important;
  color: #9a4b08 !important;
}

.message-content .plc-admin-history {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.message-content .plc-admin-history button {
  display: flex !important;
  flex-direction: column;
  align-items: stretch;
  gap: 0.15rem;
  width: 100%;
  margin: 0;
  padding: 0.55rem 0.7rem;
  text-align: left;
  border: 1px solid #d7e3f0 !important;
  border-radius: 0.5rem;
  background: #ffffff !important;
  color: var(--plc-blue-deep) !important;
  cursor: pointer;
  box-shadow: none !important;
}

.message-content .plc-admin-history button strong {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-history button em,
.message-content .plc-admin-history button span {
  font-style: normal;
  font-weight: 500;
  line-height: 1.4;
}

.message-content .plc-admin-history button em {
  font-size: 0.68rem;
  color: #6b7c90;
}

.message-content .plc-admin-history button span {
  font-size: 0.75rem;
  color: #3d5270;
}

.message-content .plc-admin-thread {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 26rem;
  overflow: auto;
  padding-right: 0.15rem;
}

.message-content .plc-admin-bubble {
  max-width: 92%;
  padding: 0.5rem 0.65rem;
  border-radius: 0.55rem;
  font-size: 0.78rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.message-content .plc-admin-bubble.is-user {
  align-self: flex-end;
  background: var(--plc-orange-soft);
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-bubble.is-assistant {
  align-self: flex-start;
  background: var(--plc-blue-soft);
  color: var(--plc-blue-deep);
}

.message-content .plc-admin-bubble span {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.66rem;
  font-weight: 700;
  color: #5b6b80;
}

@container (max-width: 52rem) {
  .message-content .plc-admin-actions {
    grid-template-columns: 1fr 1fr;
  }
}

@container (max-width: 36rem) {
  .message-content .plc-admin-shell {
    flex-direction: column;
    min-height: 0;
  }

  .message-content .plc-admin-side {
    flex: none;
    border-right: none;
    border-bottom: 1px solid #e1eaf3;
  }

  .message-content .plc-admin-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .message-content .plc-admin-nav button {
    width: auto;
  }

  .message-content .plc-admin-foot {
    display: none;
  }

  .message-content .plc-admin-stats {
    grid-template-columns: 1fr;
  }
}

@container (max-width: 24rem) {
  .message-content .plc-admin-actions {
    grid-template-columns: 1fr;
  }
}

/* Recent-history control sits on the composer, not in the transcript. */
.step:has(.plc-history-dock),
.step:has(.plc-history-dock) .ai-message,
.step:has(.plc-history-dock) .message-content,
.step:has(.plc-history-dock) .inline-custom {
  height: 0 !important;
  min-height: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  gap: 0 !important;
  overflow: visible !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}

.step:has(.plc-history-dock) img {
  display: none !important;
}

.plc-history-dock {
  position: fixed;
  z-index: 40;
  left: 1rem;
  bottom: 8rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  width: min(48rem, calc(100vw - 2rem));
  transform: translateY(-100%);
  pointer-events: none;
}

.plc-history-btn,
.plc-history-pop {
  pointer-events: auto;
}

.plc-history-btn {
  display: inline-flex !important;
  align-items: center;
  gap: 0.35rem;
  height: 1.75rem;
  margin: 0;
  padding: 0 0.7rem !important;
  border: 1px solid #d7e3f0 !important;
  border-radius: 999px;
  background: #ffffff !important;
  color: var(--plc-blue-deep) !important;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif !important;
  font-size: 0.75rem !important;
  font-weight: 600;
  line-height: 1;
  box-shadow: 0 1px 2px rgba(8, 56, 120, 0.08);
  cursor: pointer;
}

.plc-history-btn svg {
  color: var(--plc-blue);
}

.plc-history-btn.is-open svg {
  transform: rotate(180deg);
}

.plc-history-pop,
.message-content .plc-history-pop.plc-admin {
  width: min(24rem, 100%);
  max-height: min(22rem, 52vh);
  overflow: auto;
  background: #ffffff;
  border: 1px solid #d7e3f0;
  border-top: 3px solid var(--plc-orange);
  border-radius: 0.85rem;
  box-shadow: 0 12px 32px rgba(0, 88, 168, 0.14);
}

.plc-history-pop .plc-admin-body {
  padding: 0.85rem 0.9rem 1rem;
}

.plc-history-pop .plc-admin-title {
  font-size: 1rem;
}

/* iPhone Safari: h-screen is 100vh, which runs under the bottom toolbar.
   100svh stops at the visible area, so the composer stays above that bar. */
@media (max-width: 430px) {
  .h-screen {
    height: 100svh !important;
    max-height: 100svh !important;
  }

  #message-composer {
    margin-bottom: max(env(safe-area-inset-bottom, 0px), 0.35rem);
  }
}