/* Obsidian-like 미니멀 다크/라이트 (라이트 우선, prefers-color-scheme 다크) */
:root {
  --bg: #fbfbfa;
  --bg-alt: #f1f1ef;
  --fg: #1f2328;
  --fg-muted: #6b7280;
  --accent: #5a67d8;
  --border: #e5e5e2;
  --link: #4f46e5;
  --link-dead: #b91c1c;
  --code-bg: #f3f4f6;
  --sidebar-w: 280px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e1e1e;
    --bg-alt: #252525;
    --fg: #e6e6e6;
    --fg-muted: #9aa0a6;
    --accent: #8b95f1;
    --border: #353535;
    --link: #a6b4ff;
    --link-dead: #ff6b6b;
    --code-bg: #2a2a2a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Pretendard", "Apple SD Gothic Neo", system-ui, sans-serif; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--fg-muted); }
.error { background: #fee2e2; color: #991b1b; padding: 8px 12px; border-radius: 4px; margin-bottom: 12px; }

.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 16px; background: var(--bg-alt); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar .brand { font-weight: 600; font-size: 16px; }
.topbar .searchform { flex: 1; }
.topbar .searchform input { width: 100%; max-width: 480px; padding: 6px 10px;
  border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: var(--fg); }
.topbar .user { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.badge { background: var(--border); padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.badge.admin { background: var(--accent); color: white; }
.badge.int { background: #fbbf24; color: #1f2937; }
.menu-toggle { display: none; background: var(--border); border: none;
  font-size: 22px; line-height: 1; cursor: pointer; color: var(--fg);
  width: 40px; height: 36px; border-radius: 6px; padding: 0; }
.menu-toggle:hover { background: var(--accent); color: white; }
.sidebar-close { display: none; }
.backdrop { display: none; }
.linkish { background: none; border: none; color: var(--link); cursor: pointer; font: inherit; padding: 0; }

.layout { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: calc(100vh - 49px); }
.sidebar {
  background: var(--bg-alt); border-right: 1px solid var(--border);
  padding: 16px; overflow-y: auto; max-height: calc(100vh - 49px);
  position: sticky; top: 49px;
}
.sidebar h4 { margin: 18px 0 6px; color: var(--fg-muted); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.06em; }
.sidebar ul { list-style: none; padding: 0; margin: 0; }
.sidebar li { margin: 1px 0; }
.sidebar a { display: block; padding: 4px 8px; border-radius: 4px; color: var(--fg); }
.sidebar a:hover { background: var(--border); text-decoration: none; }
.nav-fixed a { font-weight: 500; }
.tree details { padding-left: 4px; }
.tree summary { cursor: pointer; padding: 3px 6px; border-radius: 4px; }
.tree summary:hover { background: var(--border); }
.tree details ul { padding-left: 12px; border-left: 1px solid var(--border); margin-left: 6px; }

.content { padding: 24px 32px; max-width: 980px; }
.page h1 { margin-top: 0; }
.page h2, .page h3 { border-bottom: 1px solid var(--border); padding-bottom: 4px; margin-top: 28px; }
.page code { background: var(--code-bg); padding: 1px 5px; border-radius: 3px; font-size: 0.92em; }
.page pre { background: var(--code-bg); padding: 12px; border-radius: 6px; overflow-x: auto; }
.page table { border-collapse: collapse; margin: 12px 0; width: auto; }
.page th, .page td { border: 1px solid var(--border); padding: 6px 10px; }
.page blockquote { border-left: 3px solid var(--accent); padding: 4px 12px; color: var(--fg-muted); margin: 12px 0; background: var(--bg-alt); }

.wikilink { background: var(--code-bg); padding: 1px 5px; border-radius: 3px; }
.wikilink.dead { color: var(--link-dead); text-decoration: line-through; cursor: not-allowed; }

.page-list { list-style: none; padding: 0; }
.page-list li { padding: 4px 0; border-bottom: 1px dashed var(--border); }

.search-results { list-style: none; padding: 0; }
.search-results li { padding: 10px 0; border-bottom: 1px solid var(--border); }
.search-results .snippet { color: var(--fg-muted); font-size: 13px; margin-top: 4px;
  font-family: "JetBrains Mono", Menlo, monospace; }

.backlinks { background: var(--bg-alt); padding: 12px 16px; border-radius: 6px; margin-top: 24px; }
.backlinks h3 { border: none; margin-top: 0; }

.upload-form { display: flex; flex-direction: column; gap: 12px; max-width: 640px; }
.upload-form label { display: block; }
.upload-form input[type=text], .upload-form input[type=password],
.upload-form textarea, .upload-form input[type=file] {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg); color: var(--fg); font: inherit;
}
.upload-form textarea { font-family: "JetBrains Mono", Menlo, monospace; }
.upload-form button, .users button {
  padding: 8px 16px; border: 1px solid var(--border); background: var(--bg-alt); cursor: pointer;
  border-radius: 4px; color: var(--fg); font: inherit;
}
.upload-form button[type=submit] { background: var(--accent); color: white; border-color: var(--accent); }

.kv { border-collapse: collapse; }
.kv th { text-align: left; padding: 4px 12px 4px 0; color: var(--fg-muted); font-weight: normal; }
.kv td { padding: 4px 0; }
.logbox { background: var(--code-bg); padding: 10px; border-radius: 4px; font-size: 12px;
  white-space: pre-wrap; overflow-x: auto; }

.users { width: 100%; border-collapse: collapse; margin-top: 12px; }
.users th, .users td { border: 1px solid var(--border); padding: 8px 10px;
  vertical-align: middle; text-align: left; font-size: 13px; }
.users th { background: var(--bg-alt); font-weight: 600; }
.users .col-id { white-space: nowrap; min-width: 80px; }
.users .col-last { white-space: nowrap; font-size: 12px; }
.users .col-perms { min-width: 230px; }
.users .col-pw { min-width: 220px; }
.users .col-del { width: 64px; text-align: center; }
.users form { margin: 0; }
.users .perm-form { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.users .pw-form { display: flex; gap: 6px; align-items: center; }
.users .pw-form input[type=password] { flex: 1; min-width: 120px; padding: 5px 8px;
  border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: var(--fg); }
.users .cb { display: inline-flex; align-items: center; gap: 4px; cursor: pointer;
  user-select: none; padding: 3px 6px; border-radius: 4px; }
.users .cb:hover { background: var(--bg-alt); }
.users .cb input { margin: 0; cursor: pointer; }
.users button { padding: 5px 10px; border: 1px solid var(--border); background: var(--bg-alt);
  cursor: pointer; border-radius: 4px; color: var(--fg); font: inherit; font-size: 12px;
  white-space: nowrap; }
.users button:hover { background: var(--border); }
.users .perm-form button { background: var(--accent); color: white; border-color: var(--accent); }
.users .danger { background: #fee2e2; color: #991b1b; border-color: #fca5a5; }
.users .danger:hover { background: #fecaca; }

@media (max-width: 800px) {
  .users, .users thead, .users tbody, .users tr, .users th, .users td { display: block; }
  .users thead { display: none; }
  .users tr { border: 1px solid var(--border); border-radius: 6px; margin-bottom: 12px;
    padding: 8px; background: var(--bg-alt); }
  .users td { border: none; padding: 6px 4px; }
  .users td:before { content: attr(data-label); display: block; font-weight: 600;
    color: var(--fg-muted); font-size: 11px; text-transform: uppercase; margin-bottom: 2px; }
}

.auth-body { display: flex; min-height: 100vh; align-items: center; justify-content: center;
  background: var(--bg-alt); }
.auth-card { background: var(--bg); padding: 32px 40px; border-radius: 8px;
  border: 1px solid var(--border); min-width: 320px; }
.auth-card h1 { margin: 0 0 4px; }
.auth-card label { display: block; margin-bottom: 12px; }
.auth-card input { width: 100%; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 4px; background: var(--bg); color: var(--fg); font: inherit; }
.auth-card button { width: 100%; padding: 10px; background: var(--accent); color: white;
  border: none; border-radius: 4px; cursor: pointer; font: inherit; }

/* 모바일 */
@media (max-width: 800px) {
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    display: block; position: fixed; top: 0; bottom: 0;
    width: 84vw; max-width: 320px;
    left: -100vw; transition: left .25s ease;     /* transform 대신 left 토글 — iOS 호환 */
    z-index: 30; max-height: none;
    box-shadow: 2px 0 12px rgba(0,0,0,.2);
    padding-top: 48px;
  }
  body.sidebar-open .sidebar { left: 0 !important; }
  .sidebar-close {
    display: block; position: absolute; top: 8px; right: 8px;
    background: var(--border); border: none; color: var(--fg);
    width: 36px; height: 36px; border-radius: 6px; font-size: 18px;
    cursor: pointer; line-height: 1;
  }
  .backdrop {
    display: block; position: fixed; inset: 0; background: rgba(0,0,0,.4);
    z-index: 20; opacity: 0; pointer-events: none; transition: opacity .2s;
  }
  body.sidebar-open .backdrop { opacity: 1; pointer-events: auto; }

  .content { padding: 16px; }
  .topbar .searchform { flex: 1; min-width: 0; }
  .topbar .searchform input { max-width: 100%; }
  .topbar .user { font-size: 12px; gap: 4px; }
  .topbar .user .badge { display: none; }  /* 폭 좁아서 badge 는 숨김 */
  .topbar .brand { font-size: 14px; }
}