@import './theme.css';

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

/* ── Base ──────────────────────────────────────────────────── */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Header ────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 8px;
}

.logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.header-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Buttons ───────────────────────────────────────────────── */
button {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
button:hover  { background: var(--border); color: #fff; }
button.active { background: var(--accent);  color: #1a1b1e; border-color: var(--accent);  font-weight: 600; }
button.success{ background: var(--success); color: #1a1b1e; border-color: var(--success); }

/* ── Layout ────────────────────────────────────────────────── */
.main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.pane {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.pane + .pane {
  border-left: 1px solid var(--border);
}

/* ── Pane header ───────────────────────────────────────────── */
.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
  flex-shrink: 0;
  gap: 8px;
}

.pane-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
}

.pane-meta  { display: flex; gap: 12px; align-items: center; }
.meta-item  { color: var(--text-dim); font-size: 11px; }

/* ── Editor (input pane) ───────────────────────────────────── */
.editor-wrap {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

.line-numbers {
  width: 44px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 12px 0;
  overflow: hidden;
  user-select: none;
  text-align: right;
}

.line-numbers span {
  display: block;
  line-height: 1.6;
  font-size: 12px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  color: var(--text-dim);
  padding-right: 8px;
  height: 19.2px;
}

textarea {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: none;
  outline: none;
  resize: none;
  padding: 12px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  line-height: 1.6;
  tab-size: 2;
  overflow: auto;
  white-space: pre;
}
textarea::selection { background: #2d4a6e; }

/* ── Output pane ───────────────────────────────────────────── */
.output-scroll {
  flex: 1;
  overflow: auto;
  background: var(--bg);
}

.output-inner {
  display: flex;
  min-height: 100%;
}

.output-lines {
  width: 44px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 12px 0;
  user-select: none;
  text-align: right;
}

.output-lines span {
  display: block;
  line-height: 1.6;
  font-size: 12px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  color: var(--text-dim);
  padding-right: 8px;
  height: 19.2px;
}

#output {
  flex: 1;
  padding: 12px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre;
  overflow: visible;
  min-width: 0;
}

/* ── Status bar ────────────────────────────────────────────── */
.status-bar {
  display: flex;
  align-items: center;
  padding: 4px 12px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
  flex-shrink: 0;
  gap: 16px;
  flex-wrap: wrap;
}

.status-valid { color: var(--success); font-weight: 600; }
.status-error { color: var(--error);   font-weight: 600; }

/* ── Syntax highlighting ───────────────────────────────────── */
.jk { color: var(--key);    }   /* object key   */
.js { color: var(--string); }   /* string value */
.jn { color: var(--number); }   /* number       */
.jb { color: var(--bool);   }   /* boolean      */
.jl { color: var(--null);   }   /* null         */
.jp { color: var(--brace);  }   /* punctuation  */

/* ── Collapsible tree ──────────────────────────────────────── */
.node { display: inline; }

.toggle {
  cursor: pointer;
  user-select: none;
  color: var(--arrow);
  display: inline-block;
  width: 14px;
  text-align: center;
  font-size: 10px;
  transition: transform 0.15s;
}
.toggle:hover { color: var(--accent); }

.collapsible { display: inline; }
.collapsed > .collapsible { display: none; }
.collapsed > .ellipsis    { display: inline; }
.collapsed > .toggle      { transform: rotate(-90deg); }

.ellipsis { display: none; color: var(--text-dim); }

/* ── Drag-drop overlay ─────────────────────────────────────── */
.drop-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(77, 171, 247, 0.12);
  border: 3px dashed var(--accent);
  z-index: 100;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent);
  font-weight: 700;
  pointer-events: none;
}
.drop-overlay.active { display: flex; }

/* ── Utilities ─────────────────────────────────────────────── */
#file-input { display: none; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 700px) {
  body  { overflow: auto; height: auto; }
  .main { flex-direction: column; height: auto; }
  .pane { min-height: 300px; }
  .pane + .pane { border-left: none; border-top: 1px solid var(--border); }
  header { position: sticky; top: 0; z-index: 10; }
}