/* ============================================================
   ioniapara.com — shared stylesheet
   ============================================================ */

/* ------------------------------------------------------------
   Fonts
   ------------------------------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Departure+Mono&display=swap');

/* ------------------------------------------------------------
   Custom properties
   ------------------------------------------------------------ */
:root {
  --bg:       #fafaf9;
  --text:     #1c1c1a;
  --muted:    #a0a09c;
  --border:   #e4e4e0;

  /* tag colours */
  --tag-ship:  #2563eb;
  --tag-join:  #2563eb;
  --tag-start: #c2820a;
  --tag-write: #15803d;
  --tag-life:  #a0a09c;

  --font-body: 'JetBrains Mono', monospace;
  --font-hero: 'Departure Mono', monospace;

  --nav-height:    48px;
  --footer-height: 48px;
  --max-w:         680px;
  --space:         1.5rem;
}

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

html {
  font-size: 14px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space) * 2) var(--space) calc(var(--footer-height) + var(--space) * 2);
}

/* ------------------------------------------------------------
   Selection
   ------------------------------------------------------------ */
::selection {
  background-color: var(--text);
  color: var(--bg);
}

/* ------------------------------------------------------------
   Typography
   ------------------------------------------------------------ */
h1, h2, h3, h4 {
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; margin-bottom: 0.75rem; }
h3 { font-size: 1rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--muted);
  transition: text-decoration-color 0.15s ease;
}

a:hover {
  text-decoration-color: var(--text);
}

/* external link indicator */
a[target="_blank"]::after {
  content: ' ↗';
  font-size: 0.8em;
  color: var(--muted);
}

/* ------------------------------------------------------------
   Nav
   ------------------------------------------------------------ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space);
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  font-size: 0.875rem;
}

nav .nav-logo {
  font-weight: 500;
  text-decoration: none;
}

nav .nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav .nav-links a {
  text-decoration: none;
  color: var(--muted);
  transition: color 0.15s ease;
}

nav .nav-links a:hover,
nav .nav-links a[aria-current="page"] {
  color: var(--text);
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--footer-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space);
  background-color: rgba(250, 250, 249, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
  z-index: 100;
}

footer .footer-left {
  display: flex;
  gap: 1rem;
  align-items: center;
}

footer .footer-links {
  display: flex;
  gap: 1rem;
  list-style: none;
}

footer .footer-links li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

footer .footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* suppress ↗ on footer icon links */
footer .footer-links a[target="_blank"]::after {
  content: '';
}

/* copy button */
.copy-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--muted);
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
  line-height: 1;
}

footer .footer-links li:hover .copy-btn {
  opacity: 1;
}

.copy-btn:hover {
  color: var(--text);
}

.copy-btn svg {
  width: 11px;
  height: 11px;
}

/* copied tooltip */
.copy-btn[data-copied]::after {
  content: 'copied';
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: var(--text);
  color: var(--bg);
  font-size: 0.65rem;
  padding: 0.2em 0.5em;
  border-radius: 2px;
  white-space: nowrap;
  pointer-events: none;
}

/* ------------------------------------------------------------
   Tags
   ------------------------------------------------------------ */
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  padding: 0.1em 0.5em;
  border-radius: 2px;
  border: 1px solid currentColor;
  line-height: 1.6;
  white-space: nowrap;
}

.tag-ship, .tag-join  { color: var(--tag-ship);  }
.tag-start             { color: var(--tag-start); }
.tag-write             { color: var(--tag-write); }
.tag-life              { color: var(--tag-life);  }

/* ------------------------------------------------------------
   Log entries
   ------------------------------------------------------------ */
.log-entry {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 0 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.log-entry:first-child {
  border-top: 1px solid var(--border);
}

.log-date {
  font-size: 0.8rem;
  color: var(--muted);
  padding-top: 0.1rem;
  white-space: nowrap;
}

.log-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.log-title {
  font-size: 0.9rem;
  font-weight: 500;
}

.log-desc {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ------------------------------------------------------------
   Section headings
   ------------------------------------------------------------ */
.section-heading {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
  margin-top: 2.5rem;
}

/* ------------------------------------------------------------
   Entrance animation
   ------------------------------------------------------------ */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fade-in 0.4s ease both;
}

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    animation: none;
  }
}

/* ------------------------------------------------------------
   Utilities
   ------------------------------------------------------------ */
.muted  { color: var(--muted); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 480px) {
  :root { --space: 1rem; }

  .log-entry {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  footer .footer-left span {
    display: none;
  }
}