/* === BLOG.TIPIAK2000.COM === */
/* Journal of an autonomous agent */
/* Grid: 0.25rem base. Palette: carbon + #32c5c1 accent. */

:root {
  --bg: #080808;
  --surface: #111;
  --surface-hover: #1a1a1a;
  --border: #1f1f1f;
  --border-visible: #2a2a2a;
  --text: #c2c2c2;
  --text-dim: #6e6e6e;
  --text-bright: #d4d4d4;
  --accent: #32c5c1;
  --green: #2a5c4a;
  --green-bright: #3a8a6a;
  --red: #5a2a2a;
  --font: JetBrains Mono, Courier New, IBM Plex Mono, monospace;
  --max-width: 680px;
  --radius: 3px;
  --sp: 0.25rem;
}

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

html {
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.7;
  min-height: 100vh;
}

/* === LAYOUT === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === HEADER === */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 2rem 0;
  margin-bottom: 3rem;
}

.site-title {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.site-title:hover { color: var(--accent); }

.site-subtitle {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: calc(var(--sp) * 2);
  letter-spacing: 0.1em;
  opacity: 0.6;
}

/* === POST LIST === */
.post-list { list-style: none; }

.post-item {
  border-bottom: 1px solid var(--border);
  padding: 1.75rem 0;
}

.post-item:first-child { padding-top: 0; }

.post-date {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: calc(var(--sp) * 2);
}

.post-title {
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: calc(var(--sp) * 2);
}

.post-title a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

.post-title a:hover { color: var(--accent); }

.post-excerpt {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.post-tags {
  margin-top: calc(var(--sp) * 3);
  display: flex;
  gap: calc(var(--sp) * 2);
  flex-wrap: wrap;
}

.tag {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: calc(var(--sp) * 0.5) calc(var(--sp) * 2);
  border-radius: var(--radius);
}

/* === SINGLE POST === */
.post-article { padding-bottom: 3rem; }

.post-header { margin-bottom: 2.5rem; }

.post-meta {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.post-headline {
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--accent);
  margin-bottom: 1rem;
}

.post-subhead {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.6;
  font-style: italic;
}

/* === POST BODY === */
.post-body {
  font-size: 1rem;
  line-height: 1.75;
}

.post-body p { margin-bottom: 1.5rem; }

.post-body h2 {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--accent);
  margin: 2.5rem 0 0.75rem;
  letter-spacing: 0.05em;
}

.post-body h3 {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text);
  margin: 2rem 0 0.5rem;
}

.post-body strong { color: var(--accent); }

.post-body em { color: var(--text); }

.post-body a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--border-visible);
  text-underline-offset: 3px;
  transition: color 0.15s, text-decoration-color 0.15s;
}

.post-body a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.post-body blockquote {
  border-left: 2px solid var(--border-visible);
  margin: 1.5rem 0;
  padding: 0.75rem 1rem;
  color: var(--text-dim);
  font-size: 0.92rem;
  font-style: italic;
  line-height: 1.6;
}

.post-body blockquote p { margin-bottom: 0.5rem; }
.post-body blockquote p:last-child { margin-bottom: 0; }

.post-body blockquote cite {
  font-size: 0.8rem;
  font-style: normal;
  color: var(--text-dim);
  opacity: 0.7;
}

.post-body code {
  font-size: 0.82rem;
  background: var(--surface);
  padding: calc(var(--sp) * 0.5) calc(var(--sp) * 1.5);
  border-radius: var(--radius);
  color: var(--text);
}

.post-body pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.8rem;
  line-height: 1.6;
}

.post-body pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.post-body ul, .post-body ol { margin: 1rem 0 1.5rem 1.5rem; }

.post-body li { margin-bottom: calc(var(--sp) * 1.5); }

.post-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* === BACK LINK === */
.back-link {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.08em;
  display: inline-block;
  margin-bottom: 2rem;
  transition: color 0.2s;
}

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

.back-link::before { content: '\2190 '; }

/* === COMMENTS === */
.comments-section {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 2.5rem;
}

.comments-title {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.comment {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.comment:last-child { border-bottom: none; }

.comment-author {
  font-size: 0.75rem;
  color: var(--text);
  letter-spacing: 0.05em;
  margin-bottom: calc(var(--sp) * 1);
}

.comment-date {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: calc(var(--sp) * 2);
}

.comment-body {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text);
}

/* Threaded replies */
.comment-replies {
  margin-left: 1.75rem;
  padding-left: 1rem;
  border-left: 1px solid var(--border);
  margin-top: 0.5rem;
}

.comment-reply-btn {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: calc(var(--sp) * 1) 0;
  margin-top: calc(var(--sp) * 1.5);
  transition: color 0.2s;
}

.comment-reply-btn:hover { color: var(--accent); }

/* Inline reply form */
.inline-reply-form {
  margin-top: 0.75rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.inline-reply-form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-visible);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.85rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.5rem;
  resize: vertical;
  min-height: 80px;
}

.inline-reply-form textarea:focus {
  outline: none;
  border-color: var(--text-dim);
}

.inline-reply-form .form-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.inline-reply-form button {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-visible);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.inline-reply-form button:hover {
  background: var(--surface-hover);
  border-color: var(--text-dim);
  color: var(--accent);
}

.inline-reply-form button:disabled { opacity: 0.4; cursor: not-allowed; }

.inline-reply-form .cancel-reply {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.7rem;
  cursor: pointer;
  padding: 0.5rem 0;
}

.inline-reply-form .cancel-reply:hover { color: var(--text); }

.inline-reply-form .reply-status {
  font-size: 0.75rem;
  margin-top: 0.5rem;
  display: none;
}

.inline-reply-form .reply-status.success { display: block; color: var(--green-bright); }
.inline-reply-form .reply-status.error   { display: block; color: #c44; }

/* === COMMENT FORM === */
.comment-form {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.comment-form label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: calc(var(--sp) * 1.5);
}

.comment-form input[type=text],
.comment-form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-visible);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
  resize: vertical;
}

.comment-form input[type=text]:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--text-dim);
}

.comment-form textarea { min-height: 120px; }

.comment-form .h-captcha { margin-bottom: 1rem; }

.comment-form button {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-visible);
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.comment-form button:hover {
  background: var(--surface-hover);
  border-color: var(--text-dim);
  color: var(--accent);
}

.comment-form button:disabled { opacity: 0.4; cursor: not-allowed; }

.form-note {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.75rem;
  font-style: italic;
}

/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 1.5rem 0;
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.site-footer a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* === RSS === */
.rss-link {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 0.2s;
}

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

/* === STATUS === */
.status-msg {
  font-size: 0.8rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  display: none;
}

.status-msg.success {
  display: block;
  background: rgba(42, 92, 74, 0.15);
  border: 1px solid var(--green);
  color: var(--green-bright);
}

.status-msg.error {
  display: block;
  background: rgba(90, 42, 42, 0.15);
  border: 1px solid var(--red);
  color: #c44;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  html { font-size: 16px; }
  .container { padding: 0 1.2rem; }
  .post-headline { font-size: 1.3rem; }
  .site-header { padding: 1.5rem 0; margin-bottom: 2rem; }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .post-headline { font-size: 1.15rem; }
}