/* =========================================================
   HN 한국어 — static/style.css
   No build step. Hand-written utility classes only.
   Mirrors the Next.js original (globals.css + inline styles).
   ========================================================= */

/* ----- CSS Variables ----- */
:root {
  --color-primary:         #ff6600;
  --color-text:            #1a1a1a;
  --color-text-secondary:  #666;
  --color-text-muted:      #999;
  --color-bg:              #f6f6ef;
  --color-surface:         #fff;
  --color-border:          #e8e8e8;
  --color-hover:           #f8f8f5;
  --color-code-bg:         #f4f4f4;
  --color-toggle-bg:       #f0f0f0;
  --color-en-bg:           #fafafa;
  --color-surface-warm:    #fffcf8;
  --font-stack:            'Pretendard Variable', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono:             'SF Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
  --max-width:             860px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-text:           #e0e0e0;
    --color-text-secondary: #aaa;
    --color-text-muted:     #777;
    --color-bg:             #1a1a1a;
    --color-surface:        #242424;
    --color-border:         #333;
    --color-hover:          #2a2a2a;
    --color-code-bg:        #2d2d2d;
    --color-toggle-bg:      #333;
    --color-en-bg:          #2a2a2a;
    --color-surface-warm:   #3d2f1e;
  }
}

[data-theme="dark"] {
  --color-text:           #e0e0e0;
  --color-text-secondary: #aaa;
  --color-text-muted:     #777;
  --color-bg:             #1a1a1a;
  --color-surface:        #242424;
  --color-border:         #333;
  --color-hover:          #2a2a2a;
  --color-code-bg:        #2d2d2d;
  --color-toggle-bg:      #333;
  --color-en-bg:          #2a2a2a;
  --color-surface-warm:   #3d2f1e;
}

/* ----- Reset + Base ----- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:              var(--font-stack);
  background:               var(--color-bg);
  color:                    var(--color-text);
  -webkit-font-smoothing:   antialiased;
  -moz-osx-font-smoothing:  grayscale;
}

/* Prevent monospace / pre / blockquote overflow in comments */
pre, blockquote {
  white-space:    pre-wrap;
  word-break:     break-word;
  overflow-wrap:  break-word;
  max-width:      100%;
}

p {
  overflow-wrap: break-word;
  word-break:    break-word;
}

/* ----- App Shell (max-width container) ----- */
.shell {
  max-width:  var(--max-width);
  margin:     0 auto;
  min-height: 100vh;
  background: var(--color-surface);
}

/* ----- Site Header ----- */
.site-header {
  padding:       16px 20px;
  background:    var(--color-primary);
  display:       flex;
  align-items:   baseline;
  gap:           12px;
  position:      sticky;
  top:           0;
  z-index:       10;
}

.brand {
  font-size:      17px;
  font-weight:    800;
  color:          #fff;
  letter-spacing: -0.3px;
  text-decoration: none;
}

.brand:hover { color: #fff; opacity: 0.95; }

.site-subtitle {
  font-size: 12px;
  color:     #fff;
  font-weight: 600;
}

.nav {
  margin-left: auto;
  display:     flex;
  gap:         12px;
  align-items: center;
}

.nav a {
  font-size:   12px;
  color:       #fff;
  font-weight: 600;
  text-decoration: none;
  position:    relative;
  padding-bottom: 4px;
}

.nav a:hover { opacity: 0.9; }

.nav a.active::after {
  content:     "";
  position:    absolute;
  left:        0;
  right:       0;
  bottom:      0;
  height:      2px;
  background:  #fff;
  border-radius: 1px;
}

.theme-toggle {
  background:    transparent;
  border:        none;
  cursor:        pointer;
  font-size:     14px;
  color:         #fff;
  padding:       2px 4px;
  line-height:   1;
}

.nav a.search-btn {
  display:        inline-flex;
  align-items:    center;
  justify-content: center;
  padding:        2px 4px;
  padding-bottom: 4px;
}

.nav a.search-btn svg { display: block; }

.nav a.search-btn.active::after { display: none; }

@media (max-width: 600px) {
  .site-header { gap: 8px; padding: 14px 16px; }
  .brand-suffix,
  .site-subtitle { display: none; }
  .nav { gap: 10px; }
}

/* ----- Search Page ----- */
.search-page { padding: 16px 20px; }

.search-form {
  display: flex;
  gap:     8px;
  margin-bottom: 16px;
}

.search-form input[type="search"] {
  flex:          1;
  min-width:     0;
  padding:       10px 12px;
  font-size:     15px;
  font-family:   inherit;
  background:    var(--color-surface);
  color:         var(--color-text);
  border:        1px solid var(--color-border);
  border-radius: 6px;
  outline:       none;
  -webkit-appearance: none;
}

.search-form input[type="search"]:focus {
  border-color: var(--color-primary);
}

.search-form button {
  padding:       0 16px;
  font-size:     14px;
  font-weight:   600;
  font-family:   inherit;
  color:         #fff;
  background:    var(--color-primary);
  border:        none;
  border-radius: 6px;
  cursor:        pointer;
}

.search-form button:hover { opacity: 0.92; }

.search-status {
  font-size:  13px;
  color:      var(--color-text-secondary);
  margin:     0 0 12px;
  min-height: 18px;
}

@media (max-width: 600px) {
  .search-page { padding: 12px 16px; }
  .search-form input[type="search"] { font-size: 16px; } /* avoid iOS zoom */
}

/* ----- Main ----- */
main {
  background: var(--color-surface);
}

/* ----- Story List ----- */
.story-list { list-style: none; }

.story-link {
  display:        flex;
  gap:            12px;
  padding:        12px 20px;
  border-bottom:  1px solid var(--color-border);
  text-decoration: none;
  color:          inherit;
  transition:     background 0.1s;
}

.story-link:hover { background: var(--color-hover); }

.story-rank {
  font-size:    13px;
  font-weight:  500;
  color:        var(--color-text-muted);
  min-width:    26px;
  text-align:   right;
  padding-top:  2px;
  flex-shrink:  0;
}

.story-body { flex: 1; min-width: 0; }

.story-title {
  font-size:       15px;
  font-weight:     500;
  line-height:     1.55;
  color:           var(--color-text);
  letter-spacing:  -0.2px;
  margin-bottom:   4px;
  word-break:      keep-all;
  overflow-wrap:   break-word;
}

.story-meta {
  font-size:   12px;
  color:       var(--color-text-muted);
  display:     flex;
  flex-wrap:   wrap;
  gap:         8px;
  align-items: center;
}

.story-meta .points {
  color:       var(--color-primary);
  font-weight: 600;
}

.story-meta .comment-count {
  color:       var(--color-text-secondary);
  font-weight: 500;
}

.story-meta .dot { color: var(--color-border); }
.story-meta .host { font-size: 11px; }

/* ----- Load more ----- */
.load-more {
  padding:    16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.load-more a {
  display:       inline-block;
  font-size:     14px;
  font-weight:   500;
  color:         var(--color-primary);
  background:    transparent;
  border:        1px solid var(--color-primary);
  border-radius: 6px;
  padding:       8px 24px;
  text-decoration: none;
  transition:    all 0.15s;
}

.load-more a:hover { background: rgba(255, 102, 0, 0.08); }

/* While htmx is fetching the next page, htmx auto-adds .htmx-request to the
   triggering element. Gray it out, disable clicks, and swap label text.
   The busy span is hidden by default via the [hidden] attribute in the
   template; here we force it visible only when .htmx-request is present. */
.load-more a.htmx-request {
  pointer-events: none;
  opacity:        0.55;
  color:          var(--color-text-muted);
  border-color:   var(--color-border);
  background:     transparent;
}
.load-more a.htmx-request .load-more-idle,
.replies-load-more a.htmx-request .load-more-idle { display: none !important; }
.load-more a.htmx-request .load-more-busy,
.replies-load-more a.htmx-request .load-more-busy { display: inline !important; }

/* "답글 더 보기" — compact variant shown inside a nested reply wrapper so
   it inherits --depth-color (colored left border) from the wrapper. */
.replies-load-more {
  padding: 8px 16px;
}
.replies-load-more a {
  display:         inline-block;
  font-size:       13px;
  font-weight:     500;
  color:           var(--depth-color, var(--color-primary));
  text-decoration: none;
  padding:         4px 12px;
  border:          1px solid var(--depth-color, var(--color-primary));
  border-radius:   4px;
  background:      transparent;
  transition:      all 0.15s;
}
.replies-load-more a:hover { opacity: 0.75; }
.replies-load-more a.htmx-request {
  pointer-events: none;
  opacity:        0.55;
  color:          var(--color-text-muted);
  border-color:   var(--color-border);
}

/* ----- Back link (story page) ----- */
.back-link {
  display:       block;
  padding:       12px 20px;
  font-size:     13px;
  color:         var(--color-text-muted);
  text-decoration: none;
  background:    var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.back-link:hover { color: var(--color-text-secondary); }

/* ----- Story Detail ----- */
.story-detail {
  background:    var(--color-surface-warm);
  padding:       24px 20px;
  border-bottom: 1px solid var(--color-border);
}

.story-detail h1 {
  font-size:       20px;
  font-weight:     700;
  line-height:     1.5;
  color:           var(--color-text);
  letter-spacing:  -0.3px;
  margin-bottom:   8px;
  word-break:      keep-all;
}

.story-subtitle {
  font-size:     13px;
  color:         var(--color-text-muted);
  margin-bottom: 12px;
  line-height:   1.5;
}

.story-detail-meta {
  font-size:   13px;
  color:       var(--color-text-muted);
  display:     flex;
  flex-wrap:   wrap;
  gap:         8px;
  align-items: center;
}

.story-detail-meta .points {
  color:       var(--color-primary);
  font-weight: 600;
}

.story-detail-links {
  display:    flex;
  gap:        16px;
  margin-top: 12px;
}

.story-detail-links a {
  font-size:       13px;
  text-decoration: none;
}

.story-detail-links .primary-link {
  color: var(--color-primary);
}

.story-detail-links .muted-link {
  color: var(--color-text-muted);
}

/* ----- Article summary ----- */
.article-summary {
  margin-top:    20px;
  padding:       16px;
  background:    var(--color-en-bg);
  border-radius: 8px;
  border:        1px solid var(--color-border);
}

.article-summary-title {
  margin:      0 0 8px 0;
  font-size:   13px;
  font-weight: 600;
  color:       var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.article-summary-body {
  margin:      0;
  font-size:   14px;
  line-height: 1.7;
  color:       var(--color-text);
  word-break:  keep-all;
  overflow-wrap: break-word;
}

.article-summary-body.is-loading,
.article-summary-body.is-empty {
  color:      var(--color-text-muted);
  font-style: italic;
}

/* ----- Comments ----- */
.comments {
  background: var(--color-surface);
}

.comments-loading {
  padding:    24px 20px;
  text-align: center;
  font-size:  13px;
  color:      var(--color-text-muted);
  font-style: italic;
}

.comment {
  padding:       16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.comment.nested {
  padding: 12px 16px;
}

.comment-wrap {
  /* nested comments get a colored left border via inline style */
}

.comment-meta {
  font-size:     12px;
  color:         var(--color-text-muted);
  margin-bottom: 8px;
  display:       flex;
  gap:           8px;
  align-items:   center;
}

.comment-author {
  color:       var(--color-text-secondary);
  font-weight: 600;
}

.comment-body {
  font-size:   14px;
  line-height: 1.7;
  color:       var(--color-text);
  word-break:  keep-all;
  overflow-wrap: break-word;
}

.comment-body p { margin-bottom: 10px; }
.comment-body p:last-child { margin-bottom: 0; }

.comment-body a {
  color: var(--color-primary);
  word-break: break-word;
}

.comment-body pre,
.comment-body code {
  font-family: var(--font-mono);
  font-size:   13px;
  background:  var(--color-code-bg);
  padding:     2px 4px;
  border-radius: 3px;
}

.comment-body pre {
  padding:    10px;
  overflow-x: auto;
}

.comment-actions {
  margin-top:  8px;
  display:     flex;
  flex-wrap:   wrap;
  gap:         8px;
  align-items: center;
}

.en-toggle summary {
  cursor:        pointer;
  list-style:    none;
  font-size:     11px;
  color:         var(--color-text-muted);
  border:        1px solid var(--color-border);
  border-radius: 4px;
  padding:       2px 8px;
  background:    var(--color-toggle-bg);
  display:       inline-block;
  transition:    all 0.15s;
}

.en-toggle summary::-webkit-details-marker { display: none; }

.en-toggle[open] summary {
  color:        #fff;
  background:   var(--color-primary);
  border-color: var(--color-primary);
}

/* Replies render as a SIBLING of the .comment article, appearing below the
   comment's border-bottom separator. The .replies-holder is hidden until the
   previous sibling comment's <details class="replies-details"> opens —
   tracked via :has() + adjacent sibling combinator. */
.replies-holder { display: none; }
.comment:has(.replies-details[open]) + .replies-holder { display: block; }

.replies-details summary {
  list-style: none;
  cursor:     pointer;
  display:    inline-block;
  font-size:  12px;
  color:      var(--depth-color, var(--color-primary));
  font-weight: 500;
  padding:    4px 0;
}

.replies-details summary::-webkit-details-marker { display: none; }
.replies-details summary::marker { display: none; }
.replies-details summary:hover { text-decoration: underline; }

.replies-details .label-collapse { display: none; }
.replies-details[open] .label-expand { display: none; }
.replies-details[open] .label-collapse { display: inline; }

/* Nested reply wrapper — one class per depth sets --depth-color which
   cascades to descendant .reply-toggle and the border-left below. */
.comment-nested {
  margin-left: 16px;
  border-left: 2px solid var(--depth-color, var(--color-primary));
}

.comment-nested .comment {
  padding: 12px 16px;
}

.depth-0 { --depth-color: var(--color-primary); }
.depth-1 { --depth-color: #3b82f6; }
.depth-2 { --depth-color: #8b5cf6; }
.depth-3 { --depth-color: #ec4899; }
.depth-4 { --depth-color: #f59e0b; }
.depth-5 { --depth-color: #10b981; }
.depth-6 { --depth-color: #6366f1; }
.depth-7 { --depth-color: #ef4444; }

/* htmx loading indicator — fades in while the sibling button's request is
   in flight. htmx toggles .htmx-request on elements pointed to by
   hx-indicator. */
.htmx-indicator {
  opacity:    0;
  transition: opacity 150ms ease-in;
}
.htmx-request.htmx-indicator,
.htmx-request .htmx-indicator { opacity: 1; }

.translating-indicator {
  font-size:   12px;
  color:       var(--color-text-muted);
  font-style:  italic;
  margin-left: 8px;
}

.en-original {
  margin-top:    8px;
  padding:       12px;
  background:    var(--color-en-bg);
  border-radius: 6px;
  font-size:     13px;
  line-height:   1.6;
  color:         var(--color-text-muted);
  border-left:   2px solid var(--color-border);
  overflow-wrap: break-word;
  word-break:    break-word;
}

/* ----- Period tabs (Top page) ----- */
.period-tabs {
  display:       flex;
  gap:           8px;
  padding:       16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.period-tabs .tab {
  padding:         6px 14px;
  font-size:       13px;
  color:           var(--color-text-secondary);
  text-decoration: none;
  border-radius:   4px;
  border:          1px solid transparent;
}

.period-tabs .tab:hover {
  background: var(--color-hover);
  color:      var(--color-text);
}

.period-tabs .tab.active {
  background:   var(--color-primary);
  color:        #fff;
  border-color: var(--color-primary);
}

/* ----- Site Footer ----- */
.site-footer {
  padding:     24px 20px;
  text-align:  center;
  font-size:   12px;
  color:       var(--color-text-muted);
  line-height: 1.6;
}

.site-footer a {
  color:           var(--color-text-secondary);
  text-decoration: none;
}

.site-footer a:hover { color: var(--color-primary); }

/* ----- Privacy page ----- */
.privacy {
  max-width:   640px;
  margin:      0 auto;
  padding:     40px 20px;
  line-height: 1.8;
  font-size:   15px;
  color:       var(--color-text);
}

.privacy h1 {
  font-size:     22px;
  font-weight:   700;
  margin-bottom: 24px;
}

.privacy h2 {
  font-size:     17px;
  font-weight:   600;
  margin-top:    32px;
  margin-bottom: 12px;
}

.privacy p { margin-bottom: 12px; }

.privacy .privacy-meta {
  color:         var(--color-text-muted);
  font-size:     13px;
  margin-bottom: 32px;
}

.privacy ul {
  padding-left:  20px;
  margin-top:    8px;
  margin-bottom: 12px;
}

.privacy li { margin-bottom: 4px; }