/* previewer.css - Code previewer page styles */
@import url("colors.css");

/* ==============================
   Previewer Layout
   ============================== */
.previewer-page .main-content {
  max-width: 1200px;
  padding: 2rem 2rem;
}

.previewer-layout {
  display: flex;
  gap: 1rem;
  min-height: 600px;
}

/* ==============================
   File Tree (left panel)
   ============================== */
.file-tree {
  width: 200px;
  min-width: 160px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.file-tree-header {
  padding: 0.6rem 0.875rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.file-list {
  list-style: none;
  padding: 0.4rem 0;
  flex: 1;
  overflow-y: auto;
}

.file-list[data-depth] {
  padding: 0.2rem 0 0.2rem 0.6rem;
}

.file-list.collapsed {
  display: none;
}

.file-item {
  padding: 0.4rem 0.875rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.1s, color 0.1s;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-item:hover {
  background: var(--bg-overlay);
  color: var(--text-primary);
}

.file-item.active {
  background: var(--accent-subtle);
  color: var(--info);
  font-weight: 500;
}

.file-icon {
  opacity: 0.6;
  font-size: 0.75rem;
}

.file-folder {
  padding: 0.1rem 0;
}

.file-folder-toggle {
  width: 100%;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.875rem;
  text-align: left;
}

.file-folder-toggle:hover {
  background: var(--bg-overlay);
  color: var(--text-primary);
}

.folder-caret {
  font-size: 0.75rem;
  opacity: 0.8;
}

.folder-icon {
  font-size: 0.8rem;
  opacity: 0.8;
}

.folder-name {
  font-weight: 600;
  color: var(--text-primary);
}

/* ==============================
   Code Pane (right panel)
   ============================== */
.code-pane {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--syn-code-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
}

.code-pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.875rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.code-pane-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#copy-code-btn {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
}

/* Project detail helpers */
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.project-goal {
  margin-top: 1rem;
}

.code-filename {
  font-size: 0.8rem;
  color: var(--text-primary);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-weight: 500;
}

.code-lang-badge {
  font-size: 0.68rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  background: var(--tag-bg);
  color: var(--text-muted);
  border: 1px solid var(--tag-border);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Loading / error states */
.code-loading,
.code-error {
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.code-error { color: var(--danger); }

/* ==============================
   Code block with line numbers
   ============================== */
.code-block {
  overflow: auto;
  flex: 1;
}

.code-table {
  display: flex;
  flex-direction: column;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-weight: normal;
  font-size: 0.9rem;
  line-height: 1.65;
  min-width: 100%;
}

.code-row {
  display: flex;
  align-items: stretch;
}

.code-row:hover {
  background: var(--syn-line-hover);
}

.line-num {
  min-width: 3.5rem;
  padding: 0 1rem 0 0.5rem;
  text-align: right;
  color: var(--syn-lineno-text);
  background: var(--syn-lineno-bg);
  border-right: 1px solid var(--syn-lineno-border);
  user-select: none;
  flex-shrink: 0;
}

.line-code {
  flex: 1;
  padding: 0 1.25rem;
  color: var(--syn-code-text);
  white-space: pre;
  overflow-x: visible;
}

/* ==============================
   Syntax token colors
   ============================== */
.tok-keyword   { color: var(--syn-keyword); font-weight: 600; }
.tok-string    { color: var(--syn-string); }
.tok-comment   { color: var(--syn-comment); font-style: italic; }
.tok-number    { color: var(--syn-number); }
.tok-op        { color: var(--syn-operator); }
.tok-punct     { color: var(--syn-code-text); }
.tok-builtin   { color: var(--syn-builtin); }
.tok-attr      { color: var(--syn-decorator); }
.tok-decorator { color: var(--syn-decorator); }
.tok-name      { color: var(--syn-name); }
.tok-error     { color: var(--syn-error); }
.tok-other     { color: var(--syn-code-text); }

.tok-bracket-1 { color: var(--syn-keyword); }
.tok-bracket-2 { color: var(--syn-string); }
.tok-bracket-3 { color: var(--syn-number); }

/* Markdown rendering */
.md-content {
  padding: 1.25rem 1.5rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  line-height: 1.8;
}

.md-content h1,
.md-content h2,
.md-content h3 {
  margin: 1.25rem 0 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.25rem;
}

.md-content h1 { font-size: 1.4rem; }
.md-content h2 { font-size: 1.15rem; }
.md-content h3 { font-size: 1rem; }

.md-content p { margin: 0.5rem 0; }

.md-content pre {
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 0.6rem;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.md-content .md-codeblock {
  margin: 0.75rem 0;
  position: relative;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--bg-overlay);
  overflow: auto;
  padding: 0.5rem 0
}

.md-content .md-codeblock pre {
  margin: 0;
}

.md-content .md-code-lang {
  position: absolute;
  top: 0.3rem;
  right: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 0.15rem 0.45rem;
  color: var(--text-secondary);
  pointer-events: none;
}

.md-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.82rem;
  background: var(--bg-overlay);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
}

.md-content pre code {
  background: none;
  padding: 0;
}

.md-content table {
  border-collapse: collapse;
  margin: 0.75rem 0;
  width: 100%;
}

.md-content th,
.md-content td {
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
}

.md-content th {
  background: var(--bg-elevated);
  font-weight: 600;
}

.md-content ul,
.md-content ol {
  margin: 0.5rem 0 0.5rem 1.25rem;
}

.md-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  margin: 0.75rem 0;
}

.md-content .admonition {
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-strong);
  border-radius: 6px;
  background: var(--bg-elevated);
  padding: 0.75rem 0.9rem;
  margin: 0.75rem 0;
}

.md-content .admonition-title {
  font-weight: 600;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.72rem;
}

.md-content .admonition.note {
  border-left-color: #3b82f6;
  background: rgba(59, 130, 246, 0.24);
}

.md-content .admonition.tip {
  border-left-color: #22c55e;
  background: rgba(34, 197, 94, 0.24);
}

.md-content .admonition.important {
  border-left-color: #a855f7;
  background: rgba(168, 85, 247, 0.26);
}

.md-content .admonition.warning {
  border-left-color: #f59e0b;
  background: rgba(245, 158, 11, 0.28);
}

.md-content .admonition.caution {
  border-left-color: #ef4444;
  background: rgba(239, 68, 68, 0.28);
}

.md-content .admonition-title {
  color: inherit;
}

/* ==============================
   Project header info
   ============================== */
.project-info-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.project-info-left h1 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.project-info-left p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  max-width: 600px;
}

.project-info-links {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ==============================
   Responsive
   ============================== */
@media (min-width: 769px) and (max-width: 1024px) {
  .previewer-page .main-content {
    padding: 1.5rem;
  }

  .file-tree {
    width: 170px;
  }
}

@media (min-width: 481px) and (max-width: 768px) {
  .previewer-page .main-content {
    padding: 3.5rem 1rem 1rem;
  }

  .previewer-layout {
    flex-direction: column;
  }

  .file-tree {
    width: 100%;
    min-width: 0;
    max-height: 150px;
  }

  .file-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.5rem;
    overflow-x: auto;
  }

  .file-item {
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
    padding: 0.3rem 0.6rem;
  }
}

@media (max-width: 480px) {
  .previewer-page .main-content {
    padding: 3.5rem 0.5rem 0.75rem;
  }

  .previewer-layout {
    flex-direction: column;
  }

  .file-tree {
    width: 100%;
    min-width: 0;
  }

  .file-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.5rem;
    overflow-x: auto;
  }

  .file-item {
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
  }

  .code-table {
    font-size: 0.72rem;
  }

  .line-num {
    min-width: 2.5rem;
    padding: 0 0.5rem 0 0.25rem;
  }

  .project-info-bar {
    flex-direction: column;
  }
}