/* EasyAgent public Agent Builder — plain-language profile editor + notes CRUD
 * + a live "try it" chat pane. Always light theme.
 *
 * Tokens, reset, and nav chrome come from /shared/editorial.css (loaded
 * first). This file must only ever consume --bg-*, --ink-*, --rule*,
 * --blue-*, --serif/--sans/--mono — never a literal color.
 */

:root {
  /* Accent color chosen in the "Accent color" field; falls back to the
     shared editorial blue so the page never needs a hardcoded default. */
  --chat-accent: var(--blue-700);
}

html, body {
  width: 100%;
  min-height: 100%;
}

::selection { background: var(--blue-200); color: var(--blue-900); }

.hidden { display: none !important; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ────── Hero ────── */

.builder-hero {
  border-bottom: 1px solid var(--rule);
  padding: 28px 32px 24px;
  background: var(--bg-paper-2);
}
.builder-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.builder-title {
  margin: 0.35rem 0 0.4rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.01em;
  color: var(--ink-900);
}
.builder-tagline {
  margin: 0;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-500);
  max-width: 60ch;
}

/* ────── Page shell ────── */

.builder-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 32px 64px;
}

.builder-notice {
  font-family: var(--sans);
  font-size: 13px;
  padding: 10px 14px;
  border: 1px solid var(--rule);
  margin: 0 0 16px;
}
.builder-notice.is-error {
  color: #7a2323;
  border-color: #d8a0a0;
  background: color-mix(in srgb, #d8a0a0 12%, var(--bg-paper));
}
.builder-notice.is-info {
  color: var(--ink-700);
  background: var(--bg-paper-2);
}

.builder-disabled {
  max-width: 560px;
  margin: 40px auto;
  text-align: center;
  padding: 32px 28px;
}
.builder-disabled h2 {
  font-family: var(--serif);
  font-size: 20px;
  margin: 0 0 8px;
  color: var(--ink-900);
}
.builder-disabled p {
  margin: 0;
  color: var(--ink-500);
  font-family: var(--sans);
  font-size: 13px;
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.builder-panel {
  border: 1px solid var(--rule);
  background: var(--bg-paper);
  padding: 20px 22px;
}

/* ────── Agent picker ────── */

.agent-picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.agent-picker-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--rule);
  padding: 0.3rem 0.6rem;
  background: #fff;
  min-width: 0;
  flex: 1 1 auto;
}
.agent-picker-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-400);
}
#agent-select {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-900);
  background: transparent;
  border: none;
  padding: 0.1rem;
  cursor: pointer;
  flex: 1;
  min-width: 0;
}
#agent-select:focus { outline: none; }

/* ────── Buttons ────── */

.btn-ghost {
  appearance: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink-500);
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.btn-ghost:hover { color: var(--ink-900); border-color: var(--ink-400); }
.btn-ghost:disabled { color: var(--ink-300); border-color: var(--rule-2); cursor: not-allowed; }
.btn-danger { color: #a23636; border-color: #d8a0a0; }
.btn-danger:hover { color: #7a2323; border-color: #a23636; }

.ed-cta:disabled {
  background: var(--ink-300);
  color: var(--bg-paper);
  cursor: not-allowed;
}

/* ────── Tabs ────── */

.tab-row {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 18px;
}
.tab-btn {
  appearance: none;
  padding: 8px 14px;
  border: none;
  background: none;
  color: var(--ink-400);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn.is-active {
  color: var(--blue-700);
  border-bottom-color: var(--blue-700);
}

/* ────── Fields ────── */

.field { margin-bottom: 18px; }
.field label,
.field-label-static {
  display: block;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 5px;
}
.field input[type="text"],
.field textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--rule);
  background: #fff;
  color: var(--ink-900);
  font-family: var(--sans);
  font-size: 13px;
  resize: vertical;
}
.field input[type="text"]:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue-500);
}
.field input[type="color"] {
  width: 56px;
  height: 32px;
  padding: 2px;
  border: 1px solid var(--rule);
  background: #fff;
  cursor: pointer;
}
.field-hint {
  margin: 5px 0 0;
  color: var(--ink-400);
  font-family: var(--sans);
  font-size: 11.5px;
}

.abilities-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
}
.ability-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--rule);
  background: #fff;
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--ink-700);
}
.ability-item input { margin-top: 2px; }

.abilities-extra {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.abilities-extra-label {
  margin: 0;
  font-family: var(--sans);
  font-size: 11.5px;
  color: var(--ink-500);
}
.abilities-extra-chip {
  padding: 2px 8px;
  border: 1px solid var(--rule);
  background: var(--bg-paper-2);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-600);
}

.readonly-banner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding: 10px 14px;
  border: 1px solid var(--blue-200);
  background: var(--blue-100);
}
.readonly-banner p {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-700);
  min-width: 0;
}
.readonly-banner.is-copy {
  border-color: var(--rule);
  background: var(--bg-paper-2);
}

.kb-readonly-note {
  margin: 0 0 12px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-500);
}

.field input[type="text"]:disabled,
.field textarea:disabled {
  color: var(--ink-500);
  background: var(--bg-paper-2);
  cursor: not-allowed;
}
.field input[type="color"]:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}
.ability-item input:disabled + span {
  color: var(--ink-500);
}

.save-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.save-status {
  margin: 0;
  padding: 6px 10px;
  font-family: var(--sans);
  font-size: 12px;
}
.save-status.is-ok { background: var(--blue-100); color: var(--blue-900); }
.save-status.is-error { background: color-mix(in srgb, #d8a0a0 18%, transparent); color: #7a2323; }

/* ────── Knowledge tab ────── */

.kb-layout {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  gap: 18px;
}
.new-note-row {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}
.new-note-row input {
  flex: 1;
  min-width: 0;
  padding: 7px 8px;
  border: 1px solid var(--rule);
  background: #fff;
  font-family: var(--sans);
  font-size: 12.5px;
}
.upload-row { display: block; margin-bottom: 4px; cursor: pointer; }
.upload-btn { display: inline-block; width: 100%; text-align: center; box-sizing: border-box; }

.notes-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 3px;
}
.notes-list li {
  padding: 6px 8px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-700);
  word-break: break-word;
  border: 1px solid transparent;
}
.notes-list li:hover { background: var(--bg-paper-2); }
.notes-list li.is-selected {
  background: var(--blue-100);
  color: var(--blue-900);
  border-color: var(--blue-200);
}

.note-path {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-400);
}

/* ────── Chat panel ────── */

.chat-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
}
.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chat-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 17px;
  color: var(--chat-accent);
}
.chat-transcript {
  flex: 1;
  min-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 12px;
  border: 1px solid var(--rule);
  background: var(--bg-paper-2);
}
.chat-bubble {
  max-width: 85%;
  padding: 8px 12px;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.chat-bubble.is-user {
  align-self: flex-end;
  background: var(--chat-accent);
  color: #fff;
}
.chat-bubble.is-agent {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--rule);
  color: var(--ink-900);
}
.chat-bubble.is-error {
  align-self: flex-start;
  background: color-mix(in srgb, #d8a0a0 16%, #fff);
  border: 1px solid #d8a0a0;
  color: #7a2323;
}
.chat-chip {
  align-self: flex-start;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--ink-100);
  color: var(--ink-500);
  font-family: var(--mono);
  font-size: 10.5px;
}
.chat-input-row {
  display: flex;
  gap: 8px;
}
.chat-input-row input {
  flex: 1;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid var(--rule);
  background: #fff;
  font-family: var(--sans);
  font-size: 13px;
}
.chat-input-row input:focus { outline: none; border-color: var(--blue-500); }
.chat-input-row input:disabled { color: var(--ink-300); }

@media (max-width: 900px) {
  .builder-grid { grid-template-columns: 1fr; }
  .chat-panel { position: static; max-height: none; }
  .kb-layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .builder-hero { padding: 20px 18px; }
  .builder-page { padding: 18px 18px 48px; }
  .builder-panel { padding: 16px 16px; }
  .ed-nav-vol { display: none; }
}