/* Perxona Connect Kit — Studio Demo styles */

/* ── Reset + base ──────────────────────────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Ensure [hidden] always wins over class-level display rules (e.g. display:flex
   set by .chat-content or .placeholder). The UA stylesheet's [hidden]{display:none}
   loses to author stylesheets by cascade origin, so we re-declare it here with
   !important so JavaScript can safely toggle .hidden on any element. */
[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  font-size: 16px;
  background: #0f0f13;
  color: #e8e8f0;
}

/* ── Tokens ────────────────────────────────────────────────────────────── */

:root {
  --accent: #7c6af7;
  --accent-hover: #6a5ae0;
  --danger: #e05a5a;
  --danger-hover: #c94444;
  --surface: #1e1e2e;
  --surface-deep: #0f0f13;
  --border: #2e2e42;
  --text: #e8e8f0;
  --text-muted: #888;
}

/* ── Shared form elements ──────────────────────────────────────────────── */

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.field span,
.field-group label span {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.required {
  color: var(--danger);
}

/* Text-entry controls only. A bare `input` selector also matches
   [type=radio]/[type=checkbox], which have no useful width of their own — the
   width:100% below stretched the Model source radios into full-width boxes and
   pushed their labels outside the border. */
input:not([type="radio"]):not([type="checkbox"]),
select,
textarea {
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface-deep);
  color: inherit;
  font-size: 0.95rem;
  font-family: inherit;
  width: 100%;
  transition: border-color 0.15s;
}

textarea {
  resize: vertical;
  line-height: 1.5;
}

input:not([type="radio"]):not([type="checkbox"]):focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

/* ── Asset icon preview ────────────────────────────────────────────────── */

.select-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.select-row select {
  flex: 1;
}

.asset-icon {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface-deep);
  object-fit: cover;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */

button {
  padding: 0.65rem 1.2rem;
  border: none;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.15s,
    opacity 0.15s;
  width: 100%;
}

button:hover:not(:disabled) {
  background: var(--accent-hover);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.85rem;
  border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled) {
  background: color-mix(in srgb, var(--border) 40%, transparent);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
}

.btn-icon {
  width: auto;
  flex-shrink: 0;
  padding: 0.45rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 400;
  border-radius: 6px;
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
}

.btn-danger:hover:not(:disabled) {
  background: color-mix(in srgb, var(--danger) 15%, transparent);
}

/* ── Status line ───────────────────────────────────────────────────────── */

.status {
  font-size: 0.82rem;
  color: var(--text-muted);
  min-height: 1.1em;
}

/* ── App layout ────────────────────────────────────────────────────────── */

#app {
  display: grid;
  grid-template-columns: 300px 1fr;
  height: 100%;
}

/* ── Sidebar ───────────────────────────────────────────────────────────── */

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.sidebar-inner {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.brand {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.demo-label {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.5rem;
}

/* ── Sidebar sections ──────────────────────────────────────────────────── */

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  border-top: 1px solid var(--border);
}

.sidebar-section:first-of-type {
  border-top: none;
  padding-top: 0;
}

.section-note {
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0.15rem 0 0.55rem;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

/* ── Chatbot ID display ─────────────────────────────────────────────────── */

.bot-id-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  background: var(--surface-deep);
  border: 1px solid var(--border);
  border-radius: 7px;
}

.bot-id-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

.bot-id-value {
  flex: 1;
  font-family: "SF Mono", ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: 0.78rem;
  color: var(--accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.btn-copy {
  width: auto;
  flex-shrink: 0;
  padding: 0.25rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 500;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 5px;
}

.btn-copy:hover:not(:disabled) {
  background: color-mix(in srgb, var(--border) 40%, transparent);
  color: var(--text);
}

/* ── Custom bot picker ─────────────────────────────────────────────────── */

/* Container: position: relative so the dropdown list is anchored here,
   not clipped by the sidebar's overflow-y: auto. */
.bot-picker {
  position: relative;
}

.bot-picker-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bot-picker-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.6rem 0.85rem;
  background: var(--surface-deep);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 400;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s;
  width: auto; /* override the full-width default for <button> */
}

.bot-picker-btn:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--surface-deep);
}

.bot-picker-btn[aria-expanded="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

#bot-picker-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bot-picker-chevron {
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.15s;
}

.bot-picker-btn[aria-expanded="true"] .bot-picker-chevron {
  transform: rotate(180deg);
}

/* Dropdown list — position: absolute so it escapes the sidebar's scroll
   context. z-index keeps it above all other sidebar content. */
.bot-picker-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  max-height: 220px;
  overflow-y: auto;
  list-style: none;
  padding: 0.3rem;
  margin: 0;
}

.bot-picker-option {
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  border-radius: 5px;
  cursor: pointer;
  color: var(--text);
  transition: background 0.1s;
  user-select: none;
}

.bot-picker-option:hover {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
}

.bot-picker-option[aria-selected="true"]:not(.empty-option) {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: #d0caff;
}

.bot-picker-option.empty-option {
  color: var(--text-muted);
  font-style: italic;
}

/* ── Bot editor (collapsible) ──────────────────────────────────────────── */

details {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-deep);
}

details[open] {
  border-color: var(--accent);
}

summary {
  padding: 0.6rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  user-select: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: "▸";
  font-size: 0.7rem;
  transition: transform 0.15s;
}

details[open] summary::before {
  transform: rotate(90deg);
}

.bot-form {
  padding: 0.75rem 0.85rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--border);
}

.bot-form-actions {
  display: flex;
  gap: 0.5rem;
}

.bot-form-actions button {
  flex: 1;
}

/* ── Bot form subsections (Knowledge / Tools) ──────────────────────────── */

.bot-form-section {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--border);
}

.bot-form-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.section-sub-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.field-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Model source switch ───────────────────────────────────────────────── */

.source-option {
  display: flex;
  gap: 0.55rem;
  align-items: start;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.4rem;
  cursor: pointer;
}

.source-option:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.source-option:has(input:disabled) {
  opacity: 0.5;
  cursor: not-allowed;
}

.source-option input {
  /* Explicit, so this does not depend on the exclusion above staying correct. */
  width: auto;
  margin-top: 0.15rem;
  flex-shrink: 0;
  accent-color: var(--accent);
}
.source-option > span {
  /* min-width:0 lets the text wrap instead of forcing the label wider than the
     sidebar: a flex item defaults to min-width:auto, which refuses to shrink
     below its longest unbreakable word — `LLM_API_KEY` here. */
  min-width: 0;
  flex: 1;
}

.source-option strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
}

.source-option small {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-top: 0.1rem;
}

.source-option code {
  font-size: 0.68rem;
}

/* Reads the source back inside the chat panel, where the sidebar may be
   scrolled away — see index.html. */
.active-source {
  font-size: 0.74rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.active-source strong {
  color: var(--accent);
  font-weight: 600;
}

.field-hint code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 0.3rem;
  font-size: 0.7rem;
}

/* ── Knowledge file upload ─────────────────────────────────────────────── */

.knowledge-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Styled file-picker button */
.btn-file {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  background: var(--surface-deep);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.82rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s;
}

.btn-file:hover {
  border-color: var(--accent);
  color: var(--text);
}

.btn-file input[type="file"] {
  display: none;
}

.knowledge-filename {
  flex: 1;
  font-size: 0.75rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* Knowledge status badge */
.knowledge-badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.12rem 0.5rem;
  border-radius: 10px;
  white-space: nowrap;
  flex-shrink: 0;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.knowledge-badge--none {
  background: color-mix(in srgb, var(--border) 50%, transparent);
  color: var(--text-muted);
}
.knowledge-badge--processing {
  background: color-mix(in srgb, #f59e0b 18%, transparent);
  color: #fbbf24;
}
.knowledge-badge--ready {
  background: color-mix(in srgb, #10b981 18%, transparent);
  color: #34d399;
}
.knowledge-badge--error {
  background: color-mix(in srgb, #ef4444 18%, transparent);
  color: #f87171;
}
/* Polling stopped at its timeout ceiling without reaching ready/error. */
.knowledge-badge--stalled {
  background: color-mix(in srgb, #94a3b8 18%, transparent);
  color: #cbd5e1;
}

#bot-knowledge-stalled-notice {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tools-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tools-count {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ── Tools JSON textarea ───────────────────────────────────────────────── */

.tools-editor {
  font-family: "SF Mono", ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: 0.72rem;
  line-height: 1.5;
  resize: vertical;
  min-height: 100px;
}

/* Danger ghost variant for Remove button */
.btn-danger-ghost {
  background: transparent;
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}

.btn-danger-ghost:hover:not(:disabled) {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

/* ── Main layout ───────────────────────────────────────────────────────── */

.main {
  display: grid;
  grid-template-rows: 1fr 240px;
  overflow: hidden;
}

/* ── Stage ─────────────────────────────────────────────────────────────── */

.stage {
  position: relative;
  background: #050508;
  overflow: hidden;
}

.placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  pointer-events: none;
}

/* ── Debug timeline panel ──────────────────────────────────────────────── */
/*
 * Color legend
 *   purple  (user)  — user sent a message
 *   amber   (api)   — chatbot API call in flight
 *   green   (bot)   — chatbot reply received
 *   sky     (cmd)   — command sent to sv-presenter
 *   violet  (sdk)   — event received from sv-presenter SDK
 *   emerald (ok)    — success / completion
 *   red     (err)   — error
 */

.debug-panel {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 192px;
  background: rgba(5, 5, 8, 0.84);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  z-index: 10;
  display: flex;
  flex-direction: column;
}

.debug-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.3rem 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.debug-panel-title {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.28);
}

.debug-clear-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.65rem;
  padding: 0.12rem 0.5rem;
  cursor: pointer;
  width: auto;
  font-weight: 400;
  line-height: 1.4;
}

.debug-clear-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.55);
}

.debug-log {
  overflow-y: auto;
  flex: 1;
  padding: 0.25rem 0;
  list-style: none;
}

.debug-log::-webkit-scrollbar {
  width: 3px;
}
.debug-log::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
}

.debug-entry {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.16rem 0.8rem;
  line-height: 1.45;
}

/* Colored dot before each entry */
.debug-entry::before {
  content: "•";
  flex-shrink: 0;
  font-size: 0.5rem;
  padding-top: 0.1rem;
}

.debug-ts {
  flex-shrink: 0;
  width: 7.5ch;
  font-family: "SF Mono", ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.18);
}

.debug-msg {
  font-family: "SF Mono", ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: 0.7rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.6);
}

/* Per-type accent colours */
.debug-entry--cmd::before,
.debug-entry--cmd .debug-msg {
  color: #38bdf8;
} /* sky    — cmd sent   */

.debug-entry--sdk::before,
.debug-entry--sdk .debug-msg {
  color: #c4b5fd;
} /* violet — SDK event  */

.debug-entry--ok::before,
.debug-entry--ok .debug-msg {
  color: #86efac;
} /* emerald — success   */

.debug-entry--err::before,
.debug-entry--err .debug-msg {
  color: #f87171;
} /* red    — error      */

/* ── Chat area ─────────────────────────────────────────────────────────── */

.chat-area {
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.chat-placeholder p {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

.chat-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0.75rem 1rem 0.75rem;
  gap: 0.6rem;
}

.chat-log {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-right: 0.25rem;
}

/* Thin scrollbar for chat log */
.chat-log::-webkit-scrollbar {
  width: 4px;
}
.chat-log::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.chat-msg {
  font-size: 0.875rem;
  line-height: 1.45;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  max-width: 82%;
  overflow-wrap: break-word;
  word-break: normal;
}

.chat-msg.user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 3px;
}

.chat-msg.assistant {
  align-self: flex-start;
  background: var(--surface-deep);
  border: 1px solid var(--border);
  border-bottom-left-radius: 3px;
}

.chat-msg.error {
  align-self: flex-start;
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  color: var(--danger);
  border-bottom-left-radius: 3px;
}

/* ── Chat input row ────────────────────────────────────────────────────── */

.chat-input-row {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.chat-input-row input {
  flex: 1;
}

.chat-input-row button {
  width: auto;
  flex-shrink: 0;
  padding: 0.6rem 1.1rem;
}

/* ── Narrow viewports ─────────────────────────────────────────────────────
   Studio is a console and assumes a desktop, but "assumes a desktop" is not
   the same as "breaks below one" — at 300px + 1fr the sidebar squeezes the
   stage to nothing on a laptop with a half-width window, a tablet, or a
   projector. Below 900px it stacks instead, and the page scrolls rather than
   the three panes fighting over a fixed height. */
@media (max-width: 900px) {
  html,
  body {
    height: auto;
  }
  #app {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100%;
  }
  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    overflow-y: visible;
  }
  .main {
    grid-template-rows: auto auto;
    overflow: visible;
  }
  .stage {
    /* The avatar still needs room to be worth looking at. */
    min-height: min(60vh, 420px);
  }
  .chat-area {
    min-height: 260px;
  }
}

/* The controls must stay reachable when the send/stop pair no longer fits
   beside the input. */
@media (max-width: 420px) {
  .chat-input-row {
    flex-wrap: wrap;
  }
  .chat-input-row input {
    flex: 1 1 100%;
  }
}