/* =============================================================
   SeeDS — code-panel.css
   Custom syntax-highlighted editor. No Ace, no Monaco.
   ============================================================= */


/* --- Header ------------------------------------------------ */
.code-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(16, 16, 26, 0.98);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  min-height: 40px;
}

.code-panel__brand {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
}

.code-panel__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 800;
  font-family: var(--font-mono);
}

.code-panel__header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.code-panel__minimize {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-muted);
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  padding: 0;
}

.code-panel__minimize:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--accent);
}


/* --- Minimized state --------------------------------------- */
/* When minimized, shrink to header only. Body is hidden via
   max-height transition so it animates and doesn't vanish. */
.code-panel--minimized {
  width: 40px !important;
  min-width: 40px !important;
  max-width: 40px !important;
}

.code-panel--minimized .code-panel__body {
  display: none;
}

.code-panel--minimized .code-panel__brand span:last-child,
.code-panel--minimized .code-panel__brand {
  overflow: hidden;
  width: 0;
  opacity: 0;
}

.code-panel--minimized .code-panel__header {
  padding: 8px 6px;
  justify-content: center;
}


/* --- Body -------------------------------------------------- */
.code-panel__body {
  flex: 1 1 0;
  height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 8px 10px;
  gap: 6px;
}


/* --- Template row ------------------------------------------ */
.code-panel__template-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.code-panel__label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.code-panel__select {
  flex: 1;
  padding: 4px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 11px;
  font-family: var(--font-sans);
  cursor: pointer;
  outline: none;
  min-width: 0;
  transition: border-color var(--transition);
}

.code-panel__select:focus { border-color: var(--accent); }

.code-panel__upload-btn {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition);
}

.code-panel__upload-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--accent);
}


/* --- Editor label ------------------------------------------ */
.code-panel__editor-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}


/* =============================================================
   SYNTAX EDITOR
   Three-layer stack inside .code-panel__editor-wrap:
     1. .code-panel__line-numbers  (left gutter)
     2. .code-panel__highlight     (coloured pre, pointer-events none)
     3. .code-panel__textarea      (transparent, on top, captures input)
   ============================================================= */

.code-panel__editor-wrap {
  flex: 1 1 0;
  min-height: 120px;
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #0d0d14;
  position: relative;
  transition: border-color var(--transition);
}

.code-panel__editor-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(91,143,247,0.10);
}

/* Line numbers gutter */
.code-panel__line-numbers {
  flex-shrink: 0;
  width: 38px;
  padding: 10px 0;
  background: #0a0a10;
  border-right: 1px solid rgba(255,255,255,0.04);
  overflow: hidden;
  user-select: none;
  pointer-events: none;
  text-align: right;
}

.code-panel__line-numbers div {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.65;
  color: #2e3150;
  padding-right: 8px;
  height: 1.65em;
}

/* Highlighted pre (read-only backdrop) */
.code-panel__highlight {
  position: absolute;
  top: 0;
  left: 38px;          /* matches line-numbers width */
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 10px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.65;
  color: #e8ecf8;
  white-space: pre;
  overflow: auto;
  pointer-events: none;
  background: transparent;
  tab-size: 4;
  border: none;
  outline: none;
  /* Scrollbar hidden on the backdrop — only textarea scrollbar shows */
  scrollbar-width: none;
}
.code-panel__highlight::-webkit-scrollbar { display: none; }

/* Transparent textarea on top */
.code-panel__textarea {
  position: absolute;
  top: 0;
  left: 38px;
  right: 0;
  bottom: 0;
  padding: 10px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.65;
  color: transparent;            /* text is invisible — highlight shows through */
  caret-color: #5b8ff7;          /* cursor is still visible */
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  tab-size: 4;
  white-space: pre;
  overflow: auto;
  z-index: 1;
}

.code-panel__textarea::selection {
  background: rgba(91,143,247,0.30);
  color: transparent;
}


/* --- Syntax token colours (dark) --------------------------- */
.hl-keyword  { color: #7c9ef0; font-weight: 600; }
.hl-type     { color: #4fc97e; }
.hl-func     { color: #85b5ff; }
.hl-string   { color: #ffc44d; }
.hl-number   { color: #ff9f7e; }
.hl-comment  { color: #3a4060; font-style: italic; }
.hl-preproc  { color: #a78bfa; }
.hl-macro    { color: #e0a0ff; }


/* --- Action row -------------------------------------------- */
.code-panel__action-row {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.code-panel__analyze-btn {
  flex: 1;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: none;
  background: linear-gradient(135deg, var(--accent), #7c6cf0);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.code-panel__analyze-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent-hover), #9787f7);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.code-panel__analyze-btn:active:not(:disabled) { transform: translateY(0); }

.code-panel__analyze-btn:disabled {
  opacity: 0.5;
  cursor: wait;
  background: var(--bg-raised);
  color: var(--text-muted);
  box-shadow: none;
}

.code-panel__clear-btn {
  padding: 7px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  transition: all var(--transition);
}

.code-panel__clear-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-light);
}


/* --- Results area ------------------------------------------ */
.code-panel__results {
  flex: 0 1 auto;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 38%;
}

.code-panel__section {
  background: rgba(14, 14, 22, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 10px;
  flex-shrink: 0;
}

.code-panel__section-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.code-panel__summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px 10px;
  margin-bottom: 7px;
}

.code-panel__summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2px 0;
}

.code-panel__summary-label { font-size: 10px; color: var(--text-dim); }
.code-panel__summary-value { font-size: 11px; font-family: var(--font-mono); color: var(--text); }

.code-panel__ds-badge {
  background: rgba(91,142,247,0.12);
  color: var(--accent-hover);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 9px;
  text-transform: capitalize;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.code-panel__confidence-bar {
  height: 3px;
  background: var(--bg-raised);
  border-radius: 2px;
  overflow: hidden;
}

.code-panel__confidence-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.code-panel__ok-badge { font-size: 10px; color: var(--success); font-weight: 500; }

.code-panel__error-count-badge {
  font-size: 9px;
  background: rgba(255,59,59,0.15);
  color: var(--error);
  padding: 1px 6px;
  border-radius: 8px;
  font-weight: 600;
}

.code-panel__no-errors { font-size: 11px; color: var(--success); padding: 3px 0; }

.code-panel__error-list { display: flex; flex-direction: column; gap: 4px; }

.code-panel__error-item {
  padding: 7px 9px;
  background: rgba(255,59,59,0.03);
  border: 1px solid rgba(255,59,59,0.08);
  border-left: 3px solid var(--error);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform 100ms ease;
}

.code-panel__error-item:hover {
  background: rgba(255,59,59,0.06);
  transform: translateX(2px);
}

.code-panel__error-header {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 3px;
}

.code-panel__error-sev  { font-size: 12px; flex-shrink: 0; }
.code-panel__error-type { font-size: 11px; font-weight: 600; color: var(--text); flex: 1; }

.code-panel__error-line {
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--accent);
  background: rgba(91,142,247,0.08);
  padding: 1px 5px;
  border-radius: 3px;
}

.code-panel__error-sev-label {
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  background: var(--bg-raised);
  padding: 1px 4px;
  border-radius: 3px;
}

.code-panel__error-msg    { font-size: 10px; color: var(--text-muted); line-height: 1.5; margin-bottom: 3px; }
.code-panel__error-source { background: rgba(0,0,0,0.3); border-radius: 3px; padding: 3px 5px; margin-bottom: 3px; }
.code-panel__error-source code { font-family: var(--font-mono); font-size: 10px; color: var(--text); white-space: pre-wrap; word-break: break-all; }
.code-panel__error-fix    { font-size: 10px; color: var(--warn); line-height: 1.4; padding: 2px 0; }

.code-panel__parse-errors { display: flex; flex-direction: column; gap: 3px; }
.code-panel__parse-item   { font-size: 10px; color: var(--warn); padding: 3px 6px; background: rgba(255,184,77,0.04); border-radius: 3px; }

.code-panel__error-msg-box { padding: 10px; text-align: center; color: var(--error); font-size: 12px; }
.code-panel__error-icon    { font-size: 16px; display: block; margin-bottom: 5px; }

.code-panel--drag-over {
  border-color: var(--accent) !important;
  box-shadow: inset 0 0 20px rgba(91,142,247,0.08);
}

#code-panel ::-webkit-scrollbar       { width: 4px; height: 4px; }
#code-panel ::-webkit-scrollbar-track { background: transparent; }
#code-panel ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 3px; }
#code-panel ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.12); }


/* =============================================================
   LIGHT THEME overrides
   ============================================================= */

body.light-theme .code-panel__header {
  background: rgba(245, 245, 250, 0.98);
}

body.light-theme .code-panel__editor-wrap {
  background: #fafafe;
  border-color: var(--border);
}

body.light-theme .code-panel__line-numbers {
  background: #f0f0f6;
  border-right-color: var(--border);
}

body.light-theme .code-panel__line-numbers div { color: #aaaacc; }

body.light-theme .code-panel__highlight { color: #1a1a2e; }

body.light-theme .code-panel__textarea  { caret-color: #3366dd; }

body.light-theme .code-panel__textarea::selection { background: rgba(91,143,247,0.20); }

/* Syntax token colours (light) */
body.light-theme .hl-keyword  { color: #2255cc; }
body.light-theme .hl-type     { color: #1a7a40; }
body.light-theme .hl-func     { color: #3366bb; }
body.light-theme .hl-string   { color: #b05a00; }
body.light-theme .hl-number   { color: #c04000; }
body.light-theme .hl-comment  { color: #8888aa; }
body.light-theme .hl-preproc  { color: #7733aa; }
body.light-theme .hl-macro    { color: #994499; }

body.light-theme .code-panel__section { background: rgba(240,240,245,0.8); }
body.light-theme .code-panel__error-item { background: rgba(255,59,59,0.04); }
body.light-theme .code-panel__error-source { background: rgba(0,0,0,0.04); }
body.light-theme .code-panel__select { background: #fff; color: var(--text); }
body.light-theme .code-panel__upload-btn,
body.light-theme .code-panel__clear-btn,
body.light-theme .code-panel__minimize { background: #fff; color: var(--text-muted); }
body.light-theme .code-panel__upload-btn:hover,
body.light-theme .code-panel__clear-btn:hover { background: var(--bg-hover); color: var(--text); }