@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-alt: #1c2128;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --btn-bg: #21262d;
  --btn-hover: #30363d;
  --primary-bg: #238636;
  --primary-hover: #2ea043;
  --danger: #f85149;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

code, pre, #md-editor, .mono-text, .mono-tag, .file-title, .breadcrumbs {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Consolas, monospace;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }

.btn {
  background: var(--btn-bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 5px 11px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: background 0.12s ease;
}
.btn:hover { background: var(--btn-hover); text-decoration: none; }
.btn.active { background: #388bfd26; border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--primary-bg); border-color: rgba(240,246,252,0.1); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: rgba(248, 81, 73, 0.15); border-color: var(--danger); }
.btn.pub-active { background: rgba(35, 134, 54, 0.2); border-color: #2ea043; color: #3fb950; }
.btn.small { padding: 4px 9px; font-size: 12px; }
.btn.full { width: 100%; justify-content: center; padding: 8px; }

.segmented-group { display: inline-flex; gap: 2px; }

/* Logowanie */
.login-body { display: grid; place-items: center; min-height: 100vh; padding: 1rem; }
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  width: 100%;
  max-width: 340px;
}
.mono-tag { font-size: 11px; color: var(--muted); letter-spacing: 0.06em; display: block; margin-bottom: 4px; }
.login-header h1 { margin: 0 0 18px 0; font-size: 16px; font-weight: 600; }
.field-label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.login-card input {
  width: 100%;
  padding: 7px 10px;
  margin-bottom: 14px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.alert-error {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 8px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  font-size: 12px;
}

/* Panel prywatny */
.app-layout { display: flex; height: 100vh; overflow: hidden; }
.sidebar {
  width: 260px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar-header {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand { font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 600; letter-spacing: 0.04em; color: var(--muted); }
.sidebar-actions {
  padding: 8px 10px;
  display: flex;
  gap: 5px;
  border-bottom: 1px solid var(--border);
}
.folder-bar {
  padding: 6px 12px;
  font-size: 11px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}
.file-tree { flex: 1; overflow-y: auto; padding: 4px 0; }
.tree-item {
  padding: 5px 10px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #c9d1d9;
  border-left: 2px solid transparent;
}
.tree-item:hover { background: var(--panel-alt); }
.tree-item.active { background: rgba(56, 139, 253, 0.12); color: var(--text); border-left-color: var(--accent); }
.tree-item.folder-selected { border-left-color: var(--muted); }
.tree-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-badges { display: flex; align-items: center; gap: 4px; }
.badge.pub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: #3fb950;
  border: 1px solid rgba(63, 185, 80, 0.4);
  padding: 0 4px;
  border-radius: 3px;
}
.mini-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  padding: 1px 4px;
  border-radius: 3px;
}
.mini-btn:hover { border-color: var(--border); color: var(--text); }
.mini-btn.danger-txt:hover { color: var(--danger); border-color: var(--danger); }
.sidebar-footer {
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
}

.workspace { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  padding: 8px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.file-title { font-size: 13px; font-weight: 500; }
.status-pill { font-size: 11px; color: var(--muted); }

.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
  padding: 2rem;
}

.editor-grid { flex: 1; display: grid; min-height: 0; }
.editor-grid.mode-split { grid-template-columns: 1fr 1fr; }
.editor-grid.mode-edit { grid-template-columns: 1fr; }
.editor-grid.mode-edit #md-preview { display: none; }
.editor-grid.mode-preview { grid-template-columns: 1fr; }
.editor-grid.mode-preview #md-editor { display: none; }

#md-editor {
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  border: none;
  border-right: 1px solid var(--border);
  padding: 20px 24px;
  font-size: 13.5px;
  line-height: 1.6;
  resize: none;
  outline: none;
}

/* Formatowanie dokumentu Markdown + KaTeX */
.markdown-body {
  padding: 24px 32px;
  overflow-y: auto;
  line-height: 1.65;
  font-size: 15px;
  color: var(--text);
}
.markdown-body h1, .markdown-body h2, .markdown-body h3 {
  margin-top: 1.4em;
  margin-bottom: 0.6em;
  font-weight: 600;
  line-height: 1.25;
}
.markdown-body h1 { font-size: 1.65em; padding-bottom: 0.3em; border-bottom: 1px solid var(--border); }
.markdown-body h2 { font-size: 1.35em; padding-bottom: 0.25em; border-bottom: 1px solid var(--border); }
.markdown-body h3 { font-size: 1.15em; }
.markdown-body h1:first-child, .markdown-body h2:first-child { margin-top: 0; }
.markdown-body p, .markdown-body ul, .markdown-body ol { margin-top: 0; margin-bottom: 1em; }
.markdown-body li + li { margin-top: 0.25em; }
.markdown-body blockquote {
  margin: 0 0 1em 0;
  padding: 0 1em;
  color: var(--muted);
  border-left: 3px solid var(--border);
}
.markdown-body pre {
  background: var(--panel);
  padding: 14px 16px;
  border-radius: 6px;
  overflow-x: auto;
  border: 1px solid var(--border);
  margin-bottom: 1em;
}
.markdown-body code {
  font-size: 0.88em;
  background: rgba(110, 118, 129, 0.25);
  padding: 0.18em 0.38em;
  border-radius: 4px;
}
.markdown-body pre code { background: none; padding: 0; font-size: 13px; }
.markdown-body table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: 14px; }
.markdown-body th, .markdown-body td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.markdown-body th { background: var(--panel); font-weight: 600; }
.markdown-body hr { border: none; border-top: 1px solid var(--border); margin: 1.5em 0; }
.katex-display { overflow-x: auto; overflow-y: hidden; padding: 0.4em 0; }

/* Strona publiczna */
.public-body { padding: 32px 16px; }
.public-container { max-width: 900px; margin: 0 auto; }
.public-header {
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.public-header.spread { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.breadcrumbs { font-size: 14px; color: var(--text); }
.breadcrumbs .sep { color: var(--muted); margin: 0 6px; }
.doc-meta { display: flex; align-items: center; gap: 12px; font-family: 'JetBrains Mono', monospace; font-size: 13px; }
.back-link { color: var(--muted); }
.doc-title { font-weight: 600; color: var(--text); }

.public-table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.public-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.public-table th {
  text-align: left;
  padding: 8px 14px;
  background: var(--panel-alt);
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
}
.public-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.public-table tr:last-child td { border-bottom: none; }
.public-table tr:hover td { background: rgba(255, 255, 255, 0.02); }
.row-link { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 400; }
.row-link.dir-link { color: var(--accent); font-weight: 500; }
.icon { color: var(--muted); flex-shrink: 0; }
.dir-link .icon { color: var(--accent); }
.col-size { width: 110px; color: var(--muted); font-size: 12px; }
.col-act { width: 150px; text-align: right; white-space: nowrap; }

.public-article {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px 36px;
}
.empty-box {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 13px;
}

.mobile-only { display: none; }
@media (max-width: 768px) {
  .mobile-only { display: inline-flex; }
  .sidebar {
    position: fixed;
    z-index: 50;
    height: 100vh;
    left: -270px;
    transition: left 0.15s ease;
  }
  .sidebar.open { left: 0; }
  .public-article, .markdown-body { padding: 18px 16px; }
  .col-size { display: none; }
}