/* ========== PLAYGROUND PAGE STYLES ========== */

/* --- Highlighter Token Colors --- */
.hl-keyword-declare { color: var(--hl-keyword-declare); font-weight: 600; }
.hl-keyword-print { color: var(--hl-keyword-print); font-weight: 600; }
.hl-keyword-input { color: var(--hl-keyword-input); font-weight: 600; }
.hl-keyword-control { color: var(--hl-keyword-control); font-weight: 600; }
.hl-keyword-loop { color: var(--hl-keyword-loop); font-weight: 600; }
.hl-keyword-func { color: var(--hl-keyword-func); font-weight: 600; }
.hl-keyword-end { color: var(--hl-keyword-end); font-weight: 600; }
.hl-string { color: var(--hl-string); }
.hl-number { color: var(--hl-number); }
.hl-boolean { color: var(--hl-boolean); font-style: italic; }
.hl-operator { color: var(--hl-operator); }
.hl-assign { color: var(--hl-assign); }
.hl-punctuation { color: var(--hl-punctuation); }
.hl-semicolon { color: var(--hl-semicolon); }
.hl-variable { color: var(--hl-variable); }
.hl-comment { color: var(--hl-comment); font-style: italic; }

/* --- Layout --- */
.pg-body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--color-bg);
  font-family: var(--font-sans);
  color: var(--color-text);
}

/* --- Top Bar --- */
.pg-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  z-index: 10;
}
.pg-logo {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; color: var(--color-text);
  font-weight: 800; font-size: 1.1rem;
  white-space: nowrap;
}
.pg-logo:hover { color: var(--color-accent-light); }
.pg-logo-icon { font-size: 1.3rem; }

.pg-divider {
  width: 1px; height: 24px;
  background: var(--color-border);
  flex-shrink: 0;
}

.pg-example-select {
  padding: 7px 12px; border-radius: var(--radius-sm);
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  color: var(--color-text); font-family: var(--font-sans); font-size: 0.85rem;
  cursor: pointer; max-width: 220px;
}
.pg-example-select:focus { outline: none; border-color: var(--color-accent); }

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

.pg-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 18px; border-radius: 50px;
  font-family: var(--font-sans); font-size: 0.82rem; font-weight: 700;
  border: none; cursor: pointer;
  transition: all 0.2s;
}
.pg-btn-run {
  background: var(--color-green); color: #000;
}
.pg-btn-run:hover { filter: brightness(1.15); transform: scale(1.03); }
.pg-btn-run:active { transform: scale(0.97); }
.pg-btn-run.running { background: var(--color-accent); animation: pulse 1s infinite; }

.pg-btn-clear {
  background: rgba(255,255,255,0.06); color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.pg-btn-clear:hover { background: rgba(255,255,255,0.1); }

.pg-btn-share {
  background: rgba(99, 102, 241, 0.15); color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}
.pg-btn-share:hover { background: rgba(99, 102, 241, 0.25); }

.pg-btn-back {
  background: rgba(255,255,255,0.06); color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  text-decoration: none;
}
.pg-btn-back:hover { background: rgba(255,255,255,0.1); color: var(--color-text); }

.pg-shortcut {
  display: none;
  padding: 2px 8px; border-radius: 4px;
  background: rgba(255,255,255,0.08); color: var(--color-text-muted);
  font-size: 0.7rem; font-family: var(--font-mono);
  margin-left: 2px;
}
@media (min-width: 700px) { .pg-shortcut { display: inline; } }

@media (max-width: 700px) {
  .pg-topbar {
    padding: 8px 12px;
    gap: 8px;
    justify-content: space-between;
  }
  .pg-logo span:not(.pg-logo-icon) {
    display: none;
  }
  .pg-divider { display: none; }
  .pg-topbar-spacer { display: none; }
  
  .pg-example-select {
    width: 60%;
    order: 1;
    font-size: 0.75rem;
    padding: 5px 8px;
  }
  
  .theme-switch {
    order: 2;
  }

  .pg-btn-run {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-top: 5px;
    padding: 8px;
  }
  
  .pg-btn-clear, .pg-btn-share, .pg-btn-back {
    display: none; /* Hide non-essential buttons on very small screens or move to more menu */
  }
}

@media (max-width: 480px) {
  .pg-example-select { width: 70%; }
}


/* --- Main Area --- */
.pg-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* --- Resizable Panels --- */
.pg-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 200px;
}
.pg-panel-editor { flex: 1; }
.pg-panel-output { flex: 0 0 40%; }

.pg-panel-header {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8rem; font-weight: 600;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.pg-panel-header .dots { display: flex; gap: 5px; }
.pg-panel-header .dot { width: 10px; height: 10px; border-radius: 50%; }
.pg-panel-header .dot-r { background: #ef4444; }
.pg-panel-header .dot-y { background: #eab308; }
.pg-panel-header .dot-g { background: #22c55e; }
.pg-panel-header .label { flex: 1; }

/* --- Resize Handle --- */
.pg-resize-handle {
  width: 5px; flex-shrink: 0;
  background: var(--color-border);
  cursor: col-resize;
  transition: background 0.2s;
  position: relative;
}
.pg-resize-handle:hover,
.pg-resize-handle.active {
  background: var(--color-accent);
}
.pg-resize-handle::after {
  content: ''; position: absolute;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 3px; height: 40px; border-radius: 3px;
  background: rgba(255,255,255,0.15);
}

@media (max-width: 700px) {
  .pg-main { flex-direction: column; }
  .pg-panel-output { flex: 0 0 50%; }
  .pg-resize-handle {
    width: 100%; height: 5px;
    cursor: row-resize;
  }
  .pg-resize-handle::after { width: 40px; height: 3px; }
}

/* --- Editor Area --- */
.pg-editor-area {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.pg-editor-scroll {
  display: flex;
  height: 100%;
  overflow: auto;
}

.pg-line-numbers {
  padding: 14px 10px 14px 16px;
  text-align: right;
  font-family: var(--font-mono); font-size: 0.82rem;
  color: rgba(255,255,255,0.15); user-select: none;
  line-height: 1.7;
  background: rgba(0,0,0,0.15);
  min-width: 45px;
  flex-shrink: 0;
}

.pg-editor-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.pg-highlight-layer {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  padding: 14px 16px;
  font-family: var(--font-mono); font-size: 0.82rem;
  line-height: 1.7;
  white-space: pre;
  overflow: hidden;
  pointer-events: none;
  color: var(--color-text);
  word-wrap: normal;
  border: none;
}

.pg-code-input {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  padding: 14px 16px;
  background: transparent;
  border: none; outline: none;
  color: transparent;
  caret-color: var(--color-accent);
  font-family: var(--font-mono); font-size: 0.82rem;
  line-height: 1.7;
  resize: none;
  tab-size: 4;
  white-space: pre;
  overflow: auto;
  z-index: 2;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 700px) {
  .pg-editor-area, .pg-highlight-layer, .pg-code-input {
    font-size: 0.75rem;
  }
  .pg-line-numbers {
    padding: 14px 8px;
    font-size: 0.75rem;
    min-width: 35px;
  }
}

body.light-mode .pg-highlight-layer {
  color: inherit;
}

body.light-mode .pg-line-numbers {
  background: rgba(0,0,0,0.03);
  color: rgba(0,0,0,0.2);
}

body.light-mode .pg-editor-scroll {
  background: #fff;
}


.pg-code-input::selection {
  background: rgba(245, 158, 11, 0.25);
  -webkit-text-fill-color: transparent;
}

/* --- Output Area --- */
.pg-output-area {
  flex: 1;
  overflow: auto;
  padding: 14px 16px;
  font-family: var(--font-mono); font-size: 0.82rem;
  line-height: 1.7;
  border-left: 1px solid var(--color-border);
}

@media (max-width: 700px) {
  .pg-output-area { border-left: none; border-top: 1px solid var(--color-border); }
}

.pg-output-placeholder {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  height: 100%; text-align: center;
  color: var(--color-text-muted);
}
.pg-output-placeholder .icon { font-size: 2.5rem; margin-bottom: 10px; opacity: 0.4; }

.pg-output-line { padding: 1px 0; animation: pgSlideIn 0.12s ease; }
.pg-output-line.error { color: var(--color-red); }
.pg-output-line.success { color: var(--color-green); font-weight: 600; }
.pg-output-line.info { color: var(--color-blue); opacity: 0.6; font-style: italic; font-size: 0.78rem; }

@keyframes pgSlideIn {
  from { opacity: 0; transform: translateX(-6px); }
  to { opacity: 1; transform: translateX(0); }
}

/* --- Footer Bar --- */
.pg-footer {
  display: flex; align-items: center; gap: 16px;
  padding: 6px 20px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem; color: var(--color-text-muted);
  flex-shrink: 0;
}

@media (max-width: 700px) {
  .pg-footer {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    padding: 10px;
    gap: 10px;
  }
  .pg-footer-spacer {
    display: none;
  }
}
.pg-footer-spacer { flex: 1; }
.pg-status-dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-green);
  margin-right: 4px;
}
.pg-status-dot.error { background: var(--color-red); }