/* KynML Playground — additional styles only; does not override styles.css */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600&family=Geist+Mono:wght@400;500&display=swap');

/* -------------------------------------------------------------------------
   Layout shell
   ---------------------------------------------------------------------- */

.pg-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--sans);
}

.pg-topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  flex-shrink: 0;
}

.pg-topbar-logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.pg-topbar-logo span {
  opacity: 0.5;
}

.pg-topbar-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-left: 0.75rem;
  border-left: 1px solid var(--line);
}

.pg-topbar-spacer {
  flex: 1;
}

.pg-preset-select {
  font-family: var(--sans);
  font-size: 0.78rem;
  background: var(--paper-soft);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
}

.pg-share-btn,
.pg-theme-btn {
  font-family: var(--sans);
  font-size: 0.78rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.pg-share-btn:hover,
.pg-theme-btn:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

/* -------------------------------------------------------------------------
   Two-pane body
   ---------------------------------------------------------------------- */

.pg-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.pg-pane {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.pg-pane--editor {
  width: 42%;
  border-right: 1px solid var(--line);
}

.pg-pane--output {
  flex: 1;
}

/* -------------------------------------------------------------------------
   Pane headers
   ---------------------------------------------------------------------- */

.pg-pane-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  flex-shrink: 0;
  font-size: 0.74rem;
  color: var(--text-muted);
}

.pg-pane-header strong {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 500;
}

.pg-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line-strong);
  flex-shrink: 0;
  transition: background 0.2s;
}

.pg-status-dot.ok    { background: var(--mint); }
.pg-status-dot.error { background: var(--ember); }
.pg-status-dot.busy  { background: var(--gold); }

/* -------------------------------------------------------------------------
   Editor
   ---------------------------------------------------------------------- */

.pg-editor {
  flex: 1;
  width: 100%;
  resize: none;
  border: none;
  outline: none;
  padding: 1rem;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.6;
  tab-size: 4;
  overflow: auto;
}

/* -------------------------------------------------------------------------
   Output tabs
   ---------------------------------------------------------------------- */

.pg-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  flex-shrink: 0;
}

.pg-tab {
  padding: 0.42rem 1rem;
  font-size: 0.78rem;
  font-family: var(--sans);
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.15s;
}

.pg-tab:hover {
  color: var(--ink);
}

.pg-tab.active {
  color: var(--ink);
  border-bottom-color: var(--mint);
}

/* -------------------------------------------------------------------------
   Output panels
   ---------------------------------------------------------------------- */

.pg-panel {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.pg-panel.active {
  display: flex;
}

.pg-panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0.35rem 0.75rem;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
  gap: 0.5rem;
}

.pg-copy-btn {
  font-family: var(--sans);
  font-size: 0.76rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.pg-copy-btn:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

.pg-output {
  flex: 1;
  overflow: auto;
  padding: 1rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.6;
  background: var(--code-bg);
  color: var(--code-text);
  white-space: pre;
}

/* Error output */
.pg-output.errors {
  background: var(--paper);
  color: var(--ink);
  white-space: pre-wrap;
}

.pg-error-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.65rem 0.75rem;
  margin-bottom: 0.4rem;
  border-radius: 6px;
  background: rgba(217, 75, 43, 0.1);
  border: 1px solid rgba(217, 75, 43, 0.25);
  font-size: 0.8rem;
  font-family: var(--mono);
}

.pg-error-icon {
  color: var(--ember);
  flex-shrink: 0;
  margin-top: 1px;
}

.pg-ok-msg {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.75rem;
  border-radius: 6px;
  background: rgba(66, 214, 164, 0.1);
  border: 1px solid rgba(66, 214, 164, 0.25);
  font-size: 0.82rem;
  color: var(--mint);
}

/* -------------------------------------------------------------------------
   API status banner
   ---------------------------------------------------------------------- */

.pg-api-banner {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1rem;
  background: rgba(212, 167, 44, 0.1);
  border-bottom: 1px solid rgba(212, 167, 44, 0.25);
  font-size: 0.76rem;
  color: var(--gold);
  flex-shrink: 0;
}

.pg-api-banner.visible {
  display: flex;
}

/* -------------------------------------------------------------------------
   Resize handle
   ---------------------------------------------------------------------- */

.pg-resize-handle {
  width: 4px;
  cursor: col-resize;
  background: var(--line);
  flex-shrink: 0;
  transition: background 0.15s;
  position: relative;
  z-index: 1;
}

.pg-resize-handle:hover,
.pg-resize-handle.dragging {
  background: var(--mint);
}

/* -------------------------------------------------------------------------
   Responsive: stack vertically on small screens
   ---------------------------------------------------------------------- */

@media (max-width: 680px) {
  .pg-body {
    flex-direction: column;
  }
  .pg-pane--editor {
    width: 100%;
    height: 40vh;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .pg-resize-handle {
    display: none;
  }
}