/* morais.id V1.1: shared styles for /about, /privacy, /terms and the 404 page.
   The tokens and the header, footer and background rules are copied from index.html,
   which keeps its own inline copy: change a token there and here together. */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);

  --accent-orange: #ff7000;
  --accent-orange-bright: #ff8c38;
  --accent-orange-deep: #e04b00;
  --accent-orange-subtle: rgba(255, 112, 0, 0.12);
  --accent-orange-glow: rgba(255, 112, 0, 0.28);

  --status-green: #10b981;
  --status-green-glow: rgba(16, 185, 129, 0.35);
}

html[data-theme="dark"] {
  --bg-primary: #0d0d10;
  --bg-surface: #141418;
  --bg-surface-elevated: #1a1a20;
  --bg-surface-hover: #212129;
  --border-subtle: #24242c;
  --border-strong: #383844;
  --text-primary: #f6f3ee;
  --text-secondary: #9e9ba5;
  --text-tertiary: #8a8794;
  --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --badge-bg: #1e1d24;
  --tag-border: #2a2933;
  /* Not in index.html: body text for long reading (12:1 on cards) and orange text that passes AA */
  --text-body: #d4d0d8;
  --accent-text: #ff7000;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg-primary: #f8f6f0;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1ede4;
  --bg-surface-hover: #eae4d7;
  --border-subtle: #e3ded5;
  --border-strong: #c8c1b4;
  --text-primary: #151419;
  --text-secondary: #5f5c66;
  --text-tertiary: #6a6671;
  --card-shadow: 0 4px 20px -2px rgba(30, 20, 10, 0.05);
  --badge-bg: #eae4d8;
  --tag-border: #ded8cb;
  --text-body: #2e2c33;
  /* #ff7000 on white is 2.8:1; this deeper orange is 5.9:1 */
  --accent-text: #b23c00;
  color-scheme: light;
}

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

/* .btn sets display, which would otherwise beat the hidden attribute */
[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 200;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--accent-orange);
  padding: 0.5rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-decoration: none;
  border-radius: 2px;
}

.skip-link:focus {
  top: 1rem;
}

/* ---------- Background (same as index.html) ---------- */

#mesh-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.retro-grid-lines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-size: 40px 40px;
  background-image:
    linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
  opacity: 0.35;
  z-index: 0;
  mask-image: radial-gradient(circle at 50% 20%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 20%, black 20%, transparent 80%);
}

.page-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- Header (same as index.html, plus a link back to the index) ---------- */

header.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 3.5rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.pixel-logo {
  width: 32px;
  height: 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 2px;
  padding: 2px;
  flex-shrink: 0;
}

.px-block {
  background-color: var(--border-strong);
  border-radius: 1px;
  transition: background-color var(--transition-fast);
}

.px-block.active {
  background-color: var(--accent-orange);
}

.brand-link:hover .px-block.active {
  background-color: var(--accent-orange-bright);
  box-shadow: 0 0 8px var(--accent-orange);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: lowercase;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-btn,
.theme-toggle-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.65rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.header-btn:hover,
.theme-toggle-btn:hover {
  border-color: var(--accent-orange);
  background: var(--bg-surface-elevated);
}

.header-btn svg,
.theme-toggle-btn svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Hero ---------- */

.hero-section {
  margin-bottom: 2.75rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-text);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.eyebrow::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  background: var(--accent-orange);
  flex-shrink: 0;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.hero-title .slash {
  color: var(--accent-orange);
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.6;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  background: var(--badge-bg);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.75rem;
  border-radius: 2px;
  letter-spacing: 0.04em;
}

.meta-chip strong {
  color: var(--text-primary);
  font-weight: 600;
}

.meta-chip .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--status-green);
  box-shadow: 0 0 8px var(--status-green-glow);
}

.meta-chip.is-draft {
  color: var(--accent-text);
  background: var(--accent-orange-subtle);
  border-color: rgba(255, 112, 0, 0.4);
}

.meta-chip.is-draft .dot {
  background: var(--accent-orange);
  box-shadow: 0 0 8px var(--accent-orange-glow);
}

/* ---------- Document layout: contents rail + sections ---------- */

.doc-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 4rem;
}

.doc-layout.no-toc {
  grid-template-columns: minmax(0, 1fr);
}

.toc {
  position: sticky;
  top: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  padding: 1.15rem 1rem;
  box-shadow: var(--card-shadow);
}

.toc-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0 0.5rem 0.65rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border-subtle);
}

.toc ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.toc a {
  display: flex;
  gap: 0.6rem;
  padding: 0.38rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.toc a:hover {
  color: var(--text-primary);
  border-color: var(--border-subtle);
  background: var(--bg-surface-elevated);
}

.toc .num {
  color: var(--accent-text);
  flex-shrink: 0;
}

.doc {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}

.doc-section,
.summary-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  padding: 1.65rem 1.75rem;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
  scroll-margin-top: 1.5rem;
}

/* The index cards' orange edge, shown on the section you jumped to */
.doc-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background-color: var(--accent-orange);
  transition: height var(--transition-smooth);
}

.doc-section:target::before {
  height: 100%;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed var(--border-subtle);
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-text);
  flex-shrink: 0;
}

.section-head h2 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--text-primary);
}

.summary-card {
  border-color: var(--border-strong);
  border-left: 3px solid var(--accent-orange);
}

.summary-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.check-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.75rem 1.75rem;
}

.check-list li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-body);
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 0.95rem;
  height: 0.95rem;
  border: 1px solid rgba(255, 112, 0, 0.45);
  background:
    linear-gradient(var(--accent-orange), var(--accent-orange)) center / 0.45rem 0.45rem no-repeat,
    var(--accent-orange-subtle);
  border-radius: 2px;
}

/* ---------- Prose ---------- */

.prose {
  color: var(--text-body);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 72ch;
}

.prose > * + * {
  margin-top: 0.9rem;
}

.prose h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 1.6rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.prose h3::before {
  content: '';
  width: 0.4rem;
  height: 0.4rem;
  background: var(--accent-orange);
  flex-shrink: 0;
}

.prose > h3:first-child {
  margin-top: 0;
}

.prose ul {
  list-style: none;
}

.prose ul li {
  position: relative;
  padding-left: 1.2rem;
}

.prose ul li + li {
  margin-top: 0.45rem;
}

.prose ul li::before {
  content: '';
  position: absolute;
  left: 0.15rem;
  top: 0.7em;
  width: 5px;
  height: 5px;
  background: var(--text-secondary);
  border-radius: 1px;
}

.prose a,
.inline-link {
  color: var(--accent-text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.prose a:hover,
.inline-link:hover {
  text-decoration-thickness: 2px;
}

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

.prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--text-primary);
  background: var(--badge-bg);
  border: 1px solid var(--tag-border);
  border-radius: 2px;
  padding: 0.05rem 0.35rem;
}

/* Key and value pairs in the monospace "system readout" style */
.readout {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.55;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  padding: 0.5rem 1.1rem;
  max-width: 72ch;
}

.readout-row {
  display: grid;
  grid-template-columns: 10.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--border-subtle);
}

.readout-row:last-child {
  border-bottom: 0;
}

.readout dt {
  color: var(--text-secondary);
}

.readout dd {
  color: var(--text-primary);
}

/* ---------- About: people cards (the index's node cards) ---------- */

.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.person-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  position: relative;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.person-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0%;
  background-color: var(--accent-orange);
  transition: height var(--transition-smooth);
}

.person-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background-color: var(--bg-surface-hover);
  box-shadow: 0 12px 28px -4px rgba(0, 0, 0, 0.18);
}

.person-card:hover::before {
  height: 100%;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.card-protocol {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card-domain {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-text);
  letter-spacing: -0.01em;
}

.card-arrow {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  background: var(--bg-primary);
  flex-shrink: 0;
}

.person-card:hover .card-arrow {
  color: var(--text-primary);
  border-color: var(--accent-orange);
  background: var(--accent-orange-subtle);
  transform: translate(2px, -2px);
}

.card-arrow svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.55rem;
  color: var(--text-primary);
}

.card-summary {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-subtle);
}

.tag {
  padding: 0.2rem 0.5rem;
  background: var(--bg-primary);
  border: 1px solid var(--tag-border);
  border-radius: 2px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.after-grid {
  margin-top: 1.25rem;
}

/* ---------- Buttons (404) ---------- */

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.7rem 1.1rem;
  border-radius: 2px;
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:hover {
  border-color: var(--accent-orange);
  background: var(--bg-surface-elevated);
  transform: translateY(-1px);
}

.btn svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn-primary {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: #151419;
}

.btn-primary:hover {
  background: var(--accent-orange-bright);
  border-color: var(--accent-orange-bright);
  box-shadow: 0 8px 24px -6px var(--accent-orange-glow);
}

/* ---------- 404 ---------- */

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(5rem, 18vw, 9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  color: var(--accent-orange);
  text-shadow: 0 0 40px var(--accent-orange-glow);
  margin-bottom: 1rem;
}

.terminal-card {
  margin-top: 2rem;
  max-width: 680px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  box-shadow: var(--card-shadow);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-size: 0.7rem;
}

.terminal-bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
}

.terminal-bar span {
  margin-left: 0.4rem;
}

.terminal-body {
  padding: 1rem 1.1rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.terminal-body .prompt {
  color: var(--accent-text);
}

.terminal-body .muted {
  color: var(--text-secondary);
}

.terminal-body .path {
  overflow-wrap: anywhere;
}

/* ---------- Footer (same as index.html, without the ping readout) ---------- */

footer.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.system-readout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.separator {
  color: var(--border-strong);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover,
.footer-link[aria-current="page"] {
  color: var(--accent-text);
}

.footer-bottom {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

/* ---------- Small screens ---------- */

@media (max-width: 900px) {
  .doc-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 640px) {
  .page-wrap {
    padding: 0 1rem;
  }

  header.site-header {
    padding: 1.25rem 0;
    margin-bottom: 2.25rem;
  }

  .brand-subtitle {
    display: none;
  }

  .header-btn .label-wide {
    display: none;
  }

  .doc-section,
  .summary-card {
    padding: 1.3rem 1.15rem;
  }

  .readout-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.15rem;
  }

  .footer-top,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}