/* ── LAYOUT ── */
.col-main   { max-width: 1060px; margin: 0 auto; padding: 24px 24px 60px; }
.col-layout { display: grid; grid-template-columns: 1fr 280px; gap: 20px; align-items: start; }
.col-left   { display: flex; flex-direction: column; gap: 16px; }
.col-right  { position: sticky; top: 20px; }

/* ── PREVIEW ── */
.col-preview-card { padding: 20px; }
.col-preview {
  height: 140px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #3b82f6;
  transition: background .15s;
}
.col-preview-controls {
  display: flex; align-items: flex-end; gap: 14px; margin-top: 16px;
}
.col-preview-controls .field { flex: 1; margin: 0; }
.col-picker {
  width: 100%; height: 42px; padding: 3px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg); cursor: pointer;
}

/* ── VALUES ── */
.col-extra-label {
  font-size: 11px; font-weight: 600; color: var(--text-hint);
  text-transform: uppercase; letter-spacing: .08em; padding: 0 2px;
}
.col-values-card { padding: 16px 20px; }
.col-value-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.col-value-row:last-of-type { margin-bottom: 0; }
.col-value-lbl {
  min-width: 52px; font-size: 12px; font-weight: 600;
  font-family: var(--font-mono); color: var(--text-muted);
}
.col-value-input { flex: 1; font-family: var(--font-mono); font-size: 14px; }
.col-copy-btn {
  border: 1px solid var(--border); background: var(--bg); border-radius: var(--radius);
  width: 36px; height: 36px; cursor: pointer; font-size: 14px; color: var(--text-muted);
  transition: all .12s; flex-shrink: 0;
}
.col-copy-btn:hover { background: var(--bg-muted); color: var(--text); }

/* ── TOAST ── */
.col-toast { position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--text);color:var(--bg);padding:8px 18px;border-radius:99px;font-size:13px;font-family:var(--font-mono);opacity:0;transition:all .2s;pointer-events:none;z-index:999; }
.col-toast.show { opacity:1;transform:translateX(-50%) translateY(0); }

/* ── LANG SWITCHER ── */
.lang-switcher { position: relative; }
.lang-current { display:flex;align-items:center;gap:5px;padding:5px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);font-size:12px;font-weight:500;color:var(--text);cursor:pointer;font-family:var(--font-sans); }
.lang-code { font-family:var(--font-mono);font-size:11px;color:var(--text-muted); }
.lang-menu { display:none;position:absolute;top:calc(100% + 6px);right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 8px 24px rgba(0,0,0,.10);z-index:200;padding:6px;width:210px;max-height:340px;overflow-y:auto; }
.lang-menu.open { display:flex;flex-direction:column; }
.lang-option { display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius);font-size:13px;color:var(--text);text-decoration:none;transition:background .12s; }
.lang-option:hover { background:var(--bg-muted); }
.lang-option.active { background:var(--accent);font-weight:500; }

/* ── RESPONSIVE ── */
@media (max-width: 800px) {
  .col-layout { grid-template-columns: 1fr; }
  .col-right { position: static; }
}
@media (max-width: 560px) {
  .col-main { padding: 16px 14px 40px; }
  .col-preview-controls { flex-direction: column; align-items: stretch; }
}