/* TaskHub — Dark terminal-style UI */

:root {
  --bg:        #0d1117;
  --bg2:       #161b22;
  --bg3:       #21262d;
  --border:    #30363d;
  --text:      #e6edf3;
  --text-muted:#7d8590;
  --accent:    #58a6ff;   /* blue  — Phitomas */
  --purple:    #bc8cff;   /* violet— Personal  */
  --accent2:   #3fb950;   /* green */
  --danger:    #f85149;
  --warn:      #e3a12f;   /* amber — Kanban    */
  --done:      #3fb950;
  --radius:    8px;
  --font:      'SF Mono', 'Fira Code', 'Consolas', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Login ─────────────────────────────────────────────────────── */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% 40%, #161b22 0%, #0d1117 70%);
}

.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 360px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.login-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 28px;
  letter-spacing: 1px;
}

.login-box label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.login-box input[type=password] {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 18px;
  outline: none;
  transition: border-color .15s;
}

.login-box input[type=password]:focus { border-color: var(--accent); }

.login-box button[type=submit] {
  width: 100%;
  padding: 10px;
  background: var(--accent);
  color: #0d1117;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s;
}

.login-box button[type=submit]:hover { opacity: 0.85; }

.error-msg {
  background: rgba(248,81,73,0.15);
  border: 1px solid rgba(248,81,73,0.4);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 16px;
  color: var(--danger);
  font-size: 13px;
}

/* ── Topbar ─────────────────────────────────────────────────────── */

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: 52px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-logo {
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  white-space: nowrap;
}

.topbar-nav {
  display: flex;
  gap: 2px;
  flex: 1;
}

.nav-tab {
  padding: 5px 13px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: background .15s, color .15s;
  white-space: nowrap;
}

.nav-tab:hover  { background: var(--bg3); color: var(--text); }
.nav-tab.active { background: rgba(88,166,255,0.12); color: var(--accent); font-weight: 600; }

.topbar-actions { display: flex; gap: 10px; align-items: center; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: border-color .15s, background .15s;
  white-space: nowrap;
}

.btn-ghost:hover { background: var(--bg3); border-color: var(--accent); }

.btn-primary {
  background: var(--accent);
  border: none;
  color: #0d1117;
  padding: 8px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: opacity .15s;
}

.btn-primary:hover { opacity: 0.85; }

/* ── Board grid ─────────────────────────────────────────────────── */

.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  padding: 24px;
  max-width: 1600px;
  margin: 0 auto;
}

.board-col {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.board-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  padding: 13px 16px 11px;
  border-bottom: 1px solid var(--border);
  border-top: 3px solid transparent;
}

/* Per-board accent colors */
.board-phitomas .board-title { border-top-color: var(--accent);  color: var(--accent); }
.board-personal .board-title { border-top-color: var(--purple);  color: var(--purple); }
.board-kanban   .board-title { border-top-color: var(--warn);    color: var(--warn); }

/* ── Sections ────────────────────────────────────────────────────── */

.board-section { border-bottom: 1px solid var(--border); }
.board-section:last-child { border-bottom: none; }

.section-header {
  display: flex;
  align-items: center;
  padding: 9px 16px;
  cursor: pointer;
  user-select: none;
  background: rgba(255,255,255,0.018);
  transition: background .1s;
}

.section-header:hover { background: var(--bg3); }

.section-name { flex: 1; font-size: 13px; font-weight: 600; color: var(--text); }
.section-h2   { color: var(--text-muted); font-size: 11px; font-weight: 400; }

.section-count {
  font-size: 11px;
  color: var(--accent);
  background: rgba(88,166,255,0.1);
  border: 1px solid rgba(88,166,255,0.2);
  border-radius: 10px;
  padding: 1px 8px;
  margin-right: 8px;
  font-weight: 600;
  font-family: var(--font);
}

.chevron { font-size: 11px; color: var(--text-muted); transition: transform .2s; }
.board-section.collapsed .chevron { transform: rotate(-90deg); }
.board-section.collapsed .task-list { display: none; }

/* ── Task items ─────────────────────────────────────────────────── */

.task-list {
  list-style: none;
  padding: 4px 0 8px;
}

.task-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 5px 16px;
  transition: background .1s;
}

.task-item:hover { background: rgba(255,255,255,0.03); }

.checkbox-btn {
  width: 16px;
  height: 16px;
  min-width: 16px;
  margin-top: 2px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--done);
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .15s, background .15s;
  padding: 0;
}

.checkbox-btn:hover { border-color: var(--accent); }
.checkbox-btn.checked { background: var(--done); border-color: var(--done); color: #0d1117; }

.task-text { flex: 1; font-size: 13px; line-height: 1.45; }
.task-text.strikethrough { text-decoration: line-through; color: var(--text-muted); }
.task-item.done { opacity: 0.55; }

/* ── Kanban badges ──────────────────────────────────────────────── */

.kanban-badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 600;
  white-space: nowrap;
}

.status-open    { background: rgba(88,166,255,0.18);  color: var(--accent); border: 1px solid rgba(88,166,255,0.35); }
.status-claimed,
.status-running { background: rgba(227,161,47,0.18);  color: var(--warn);   border: 1px solid rgba(227,161,47,0.35); }
.status-done    { background: rgba(63,185,80,0.18);   color: var(--done);   border: 1px solid rgba(63,185,80,0.35); }
.status-blocked,
.status-failed  { background: rgba(248,81,73,0.18);   color: var(--danger); border: 1px solid rgba(248,81,73,0.35); }
.status-unknown { background: var(--bg3); color: var(--text-muted); border: 1px solid var(--border); }

/* ── Kanban cards ───────────────────────────────────────────────── */

.kanban-col { min-width: 300px; }
#kanban-board { padding: 10px 12px; }

.kanban-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 8px;
  border-left: 3px solid var(--border);
  transition: border-color .15s;
}

.kanban-card.status-open    { border-left-color: var(--accent); }
.kanban-card.status-running,
.kanban-card.status-claimed { border-left-color: var(--warn); }
.kanban-card.status-done    { border-left-color: var(--done); }
.kanban-card.status-blocked,
.kanban-card.status-failed  { border-left-color: var(--danger); }

.kanban-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.kanban-id { font-size: 11px; color: var(--text-muted); font-family: var(--font); }

.status-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kanban-title { font-size: 13px; font-weight: 500; }
.kanban-meta  { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.empty-state {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 32px 16px;
}

/* ── Modal ─────────────────────────────────────────────────────── */

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  width: 460px;
  max-width: 95vw;
  color: var(--text);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.modal::backdrop { background: rgba(0,0,0,0.6); backdrop-filter: blur(2px); }
.modal-inner { padding: 28px; }

.modal h2 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text);
}

.modal label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 5px;
  margin-top: 14px;
}

.modal input[type=text],
.modal input[type=number],
.modal select,
.modal textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color .15s;
}

.modal input:focus,
.modal select:focus,
.modal textarea:focus { border-color: var(--accent); }

.modal textarea { resize: vertical; font-family: inherit; }

.form-row { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.form-row label { margin: 0; }

.toggle-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.muted { color: var(--text-muted); font-size: 11px; }

/* ── Toast ─────────────────────────────────────────────────────── */

#toast-area { position: fixed; bottom: 24px; right: 24px; z-index: 9999; }

.toast {
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  animation: slide-in 0.2s ease;
}

.toast.success {
  background: rgba(63,185,80,0.15);
  border: 1px solid rgba(63,185,80,0.4);
  color: var(--done);
}

@keyframes slide-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Docs layout ────────────────────────────────────────────────── */

.docs-layout {
  display: flex;
  height: calc(100vh - 52px);
  overflow: hidden;
}

.docs-sidebar {
  width: 260px;
  min-width: 220px;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px 0 24px;
  flex-shrink: 0;
}

.docs-group {
  margin-bottom: 4px;
}

.docs-group summary.docs-group-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  padding: 8px 16px 5px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.docs-group summary.docs-group-label::-webkit-details-marker { display: none; }
.docs-group summary.docs-group-label::before { content: "▾ "; font-size: 10px; }
.docs-group:not([open]) summary.docs-group-label::before { content: "▸ "; }

.docs-group ul { list-style: none; padding: 2px 0 6px; }

.docs-group li a {
  display: block;
  padding: 5px 16px 5px 22px;
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  border-left: 2px solid transparent;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background .1s, color .1s, border-color .1s;
}

.docs-group li a:hover { background: var(--bg3); color: var(--accent); }
.docs-group li a.active {
  background: rgba(88,166,255,0.1);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

/* ── Doc panel / rendered markdown ─────────────────────────────── */

.doc-panel {
  flex: 1;
  overflow-y: auto;
  padding: 36px 48px;
  background: var(--bg);
}

.doc-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.doc-content {
  max-width: 820px;
  line-height: 1.75;
}

.doc-content h1,
.doc-content h2,
.doc-content h3,
.doc-content h4 {
  color: var(--text);
  margin: 1.6em 0 0.5em;
  font-weight: 600;
  line-height: 1.3;
}

.doc-content h1 {
  font-size: 1.7em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.doc-content h2 { font-size: 1.35em; color: var(--accent); }
.doc-content h3 { font-size: 1.1em;  color: var(--purple); }
.doc-content h4 { font-size: 1em;    color: var(--text-muted); }

.doc-content p { margin: 0.75em 0; }

.doc-content ul,
.doc-content ol { padding-left: 1.6em; margin: 0.5em 0; }

.doc-content li { margin: 0.3em 0; }

.doc-content code {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.87em;
  font-family: var(--font);
  color: var(--accent2);
}

.doc-content pre {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 20px;
  overflow-x: auto;
  margin: 1em 0;
}

.doc-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  color: var(--text);
}

.doc-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 6px 16px;
  color: var(--text-muted);
  margin: 1em 0;
  background: rgba(88,166,255,0.06);
  border-radius: 0 4px 4px 0;
  font-style: italic;
}

.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 13px;
}

.doc-content th,
.doc-content td {
  border: 1px solid var(--border);
  padding: 8px 13px;
  text-align: left;
}

.doc-content th {
  background: var(--bg3);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
}

.doc-content tr:nth-child(even) { background: rgba(255,255,255,0.02); }

.doc-content a         { color: var(--accent); text-decoration: none; }
.doc-content a:hover   { text-decoration: underline; }
.doc-content strong    { font-weight: 700; color: var(--text); }
.doc-content em        { font-style: italic; color: #c9d1d9; }
.doc-content hr        { border: none; border-top: 1px solid var(--border); margin: 1.5em 0; }

/* Wikilinks */
a.wikilink           { color: var(--purple); border-bottom: 1px dashed rgba(188,140,255,0.4); }
a.wikilink:hover     { border-bottom-color: var(--purple); }
.wikilink.dead       { color: var(--text-muted); opacity: 0.6; cursor: default; text-decoration: line-through; }

/* Heading anchor links from TOC extension */
.doc-content .headerlink { opacity: 0; margin-left: 6px; font-size: 0.7em; color: var(--text-muted); }
.doc-content h1:hover .headerlink,
.doc-content h2:hover .headerlink,
.doc-content h3:hover .headerlink { opacity: 1; }

.doc-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  color: var(--text-muted);
  gap: 12px;
}

.doc-empty-icon { font-size: 48px; opacity: 0.4; }
.doc-empty p    { font-size: 14px; }

/* ── Responsive ─────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .board-grid    { grid-template-columns: 1fr; padding: 12px; }
  .modal         { width: 100%; max-width: 100vw; }
  .topbar        { padding: 0 14px; }
  .docs-sidebar  { width: 200px; min-width: 160px; }
  .doc-panel     { padding: 20px 20px; }
}

@media (max-width: 520px) {
  .docs-sidebar  { display: none; }
}