/* Ashita Orbis — Raw Tier Stylesheet
   Design tokens from shared/design-tokens.json */

/* ========== CUSTOM PROPERTIES ========== */
:root {
  /* Colors */
  --color-primary: #D4A843;
  --color-bg: #0F1729;
  --color-text: #F0E6D3;
  --color-accent: #C75B39;
  --color-secondary: #4A8B8C;
  --color-surface: #1A2438;
  --color-border: #2A3A52;
  --color-text-muted: #9CA3AF;

  /* Light mode colors (toggled via class) */
  --color-light-bg: #FAFAF8;
  --color-light-surface: #FFFFFF;
  --color-light-text: #1A1A1A;
  --color-light-text-muted: #6B7280;
  --color-light-border: #E5E7EB;

  /* Typography */
  --font-heading: 'Libre Baskerville', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-code: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --content-max-width: 42rem;
  --page-max-width: 72rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
}

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

/* ========== BASE ========== */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

h1 { font-size: 2.25rem; margin-bottom: 1rem; }
h2 { font-size: 1.5rem; margin-top: 2.5rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.25rem; margin-top: 2rem; margin-bottom: 0.5rem; }

p {
  margin-bottom: 1.25rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

a:hover {
  border-bottom-color: var(--color-primary);
}

strong {
  color: var(--color-text);
  font-weight: 600;
}

em {
  font-style: italic;
}

/* ========== LAYOUT ========== */
.page-wrapper {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.content-wrapper {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

main {
  flex: 1;
  padding: 2rem 0;
}

/* ========== HEADER ========== */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
}

.header-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-brand {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.site-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: none;
}

.site-title:hover {
  border-bottom: none;
}

.site-motto {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
  letter-spacing: 0.05em;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.site-nav a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-transform: lowercase;
  letter-spacing: 0.05em;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
}

.tier-badge {
  font-size: 0.625rem;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

/* ========== FOOTER ========== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  margin-top: 3rem;
}

.footer-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-tiers {
  display: flex;
  gap: 1rem;
}

.footer-tiers a {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

/* ========== HERO ========== */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.hero .subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 36rem;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.hero .motto {
  font-size: 0.875rem;
  color: var(--color-secondary);
  font-style: italic;
  letter-spacing: 0.05em;
}

/* ========== POST LIST ========== */
.post-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition: border-color var(--transition-normal);
}

.post-card:hover {
  border-color: var(--color-primary);
}

.post-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.post-card-title a {
  color: var(--color-text);
  border-bottom: none;
}

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

.post-card-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.post-card-description {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.tag {
  display: inline-block;
  font-size: 0.6875rem;
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
  padding: 0.0625rem 0.375rem;
  border-radius: 0.25rem;
  text-transform: lowercase;
}

.means-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6875rem;
  color: var(--color-text-muted);
}

.means-bar {
  width: 3rem;
  height: 0.25rem;
  background: var(--color-border);
  border-radius: 0.125rem;
  overflow: hidden;
}

.means-bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 0.125rem;
}

/* ========== ARTICLE ========== */
article {
  padding: 2rem 0;
}

.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.article-header h1 {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

.article-meta {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.article-content h2 {
  color: var(--color-primary);
}

.article-content h3 {
  color: var(--color-text);
}

.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.article-content li {
  margin-bottom: 0.375rem;
}

.article-content blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-surface);
  border-radius: 0 0.5rem 0.5rem 0;
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

/* Conversation excerpts */
.conversation {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.conversation .speaker {
  font-weight: 700;
  font-size: 0.875rem;
}

.conversation .speaker.human {
  color: var(--color-accent);
}

.conversation .speaker.claude {
  color: var(--color-secondary);
}

.conversation p {
  margin-bottom: 0.75rem;
  padding-left: 0.75rem;
}

.conversation p:last-child {
  margin-bottom: 0;
}

/* Code */
.article-content code {
  font-family: var(--font-code);
  font-size: 0.875em;
  background: var(--color-surface);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  border: 1px solid var(--color-border);
}

.article-content pre {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin: 1.25rem 0;
}

.article-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* Tables */
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.9375rem;
}

.article-content th {
  text-align: left;
  padding: 0.625rem 0.75rem;
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-content td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

/* Horizontal rule */
.article-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* Article footer */
.article-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ========== PROJECTS PAGE ========== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(20rem, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition: border-color var(--transition-normal);
}

.project-card:hover {
  border-color: var(--color-secondary);
}

.project-card h3 {
  font-family: var(--font-heading);
  color: var(--color-text);
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.project-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.project-status {
  display: inline-block;
  font-size: 0.6875rem;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-status.active {
  background: rgba(74, 139, 140, 0.15);
  color: var(--color-secondary);
}

.project-status.production {
  background: rgba(212, 168, 67, 0.15);
  color: var(--color-primary);
}

.project-status.ongoing {
  background: rgba(199, 91, 57, 0.15);
  color: var(--color-accent);
}

.project-tech {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.project-tech span {
  font-size: 0.625rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
}

/* ========== ABOUT PAGE ========== */
.about-section {
  margin-bottom: 2.5rem;
}

/* ========== COMMENTS SECTION ========== */
.comments-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.comments-section h2 {
  margin-top: 0;
}

.comment-form {
  margin-bottom: 2rem;
}

.comment-form label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.comment-form input,
.comment-form textarea {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
  transition: border-color var(--transition-fast);
}

.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.comment-form textarea {
  min-height: 6rem;
  resize: vertical;
}

.comment-form button {
  background: var(--color-primary);
  color: var(--color-bg);
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: 0.375rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.comment-form button:hover {
  opacity: 0.9;
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comment {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1rem;
}

.comment-author {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
}

.comment-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.comment-content {
  margin-top: 0.5rem;
  font-size: 0.9375rem;
}

/* ========== AGENT CHAT ========== */
.agent-chat-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 3rem;
  height: 3rem;
  background: var(--color-primary);
  color: var(--color-bg);
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: transform var(--transition-fast);
  z-index: 100;
}

.agent-chat-toggle:hover {
  transform: scale(1.1);
}

.agent-chat-panel {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  width: 22rem;
  max-height: 28rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  display: none;
  flex-direction: column;
  z-index: 99;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.agent-chat-panel.open {
  display: flex;
}

.agent-chat-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.agent-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 12rem;
}

.agent-message {
  font-size: 0.8125rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  max-width: 85%;
}

.agent-message.agent {
  background: var(--color-bg);
  color: var(--color-text);
  align-self: flex-start;
}

.agent-message.user {
  background: var(--color-primary);
  color: var(--color-bg);
  align-self: flex-end;
}

.agent-chat-input {
  padding: 0.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 0.375rem;
}

.agent-chat-input input {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  padding: 0.375rem 0.625rem;
}

.agent-chat-input input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.agent-chat-input button {
  background: var(--color-primary);
  color: var(--color-bg);
  border: none;
  border-radius: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .article-header h1 {
    font-size: 1.75rem;
  }

  .agent-chat-panel {
    right: 0.75rem;
    left: 0.75rem;
    width: auto;
  }
}

/* ========== LIGHT MODE ========== */
@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #FAFAF8;
    --color-surface: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-muted: #6B7280;
    --color-border: #E5E7EB;
  }

  .agent-message.agent {
    background: #F3F4F6;
  }

  .project-tech span {
    background: #F3F4F6;
  }
}

/* ========== SECTION HEADING ========== */
.section-heading {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

/* ========== SKIP LINK ========== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 0.5rem 1rem;
  z-index: 1000;
  border-bottom: none;
}

.skip-link:focus {
  top: 0;
}