/* ============================================================
   Field Notes — site styles
   Depends on tokens.css. Cartographic field-guide system.
   ============================================================ */

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

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

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-feature-settings: "cv05" 1, "cv08" 1; /* tasteful Inter letterforms */
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background-color var(--tap), color var(--tap);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* --- Structure --- */
.shell {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

main {
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

/* --- Headings & text --- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 460;
  color: var(--ink);
  line-height: var(--lh-snug);
  letter-spacing: -0.01em;
}
h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 0;
}
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-family: var(--font-sans); font-weight: 600; }

p { max-width: var(--measure); }

/* Links: forest text, animated blaze underline. */
a {
  color: var(--forest);
  text-decoration: none;
}
.prose a {
  background-image: linear-gradient(var(--blaze), var(--blaze));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0% 1.5px;
  padding-bottom: 1px;
  border-bottom: 1px solid var(--rule-strong);
  transition: background-size var(--tap);
}
.prose a:hover {
  background-size: 100% 1.5px;
}

/* UI links (dashboard rows, playlist tracks): quiet, hover-revealed underline. */
.dashboard-row a,
.playlist-card a {
  color: var(--forest);
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
  transition: color var(--tap), text-decoration-color var(--tap);
}
.dashboard-row a:hover,
.playlist-card a:hover {
  text-decoration: underline;
  text-decoration-color: var(--blaze);
}

strong { font-weight: 600; }

::selection {
  background: var(--blaze);
  color: #fff;
}

/* --- Skip link --- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 50;
  background: var(--forest);
  color: var(--paper);
  padding: var(--sp-2) var(--sp-4);
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
  left: 0;
}

/* --- Topographic wash --- */
.topo-wash {
  position: fixed;
  top: 0;
  right: 0;
  width: min(58vw, 620px);
  height: min(58vw, 620px);
  color: var(--contour);
  opacity: 0.07;
  pointer-events: none;
  z-index: 0;
}
[data-theme="dark"] .topo-wash { opacity: 0.1; }

/* --- Eyebrow (coordinate label) --- */
.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--muted);
  max-width: none;
}
.eyebrow--tick {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
}
.eyebrow--tick::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: var(--blaze);
  flex: 0 0 auto;
}

/* ============================================================
   Header
   ============================================================ */
.site-head {
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--rule);
  background-color: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(1.1) blur(6px);
}
.site-head__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  min-height: 4.25rem;
  flex-wrap: wrap;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 480;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variation-settings: "opsz" 40, "SOFT" 0;
  white-space: nowrap;
}
.wordmark:hover { color: var(--forest); }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-nav a {
  position: relative;
  font-size: 0.95rem;
  color: var(--muted);
  padding-block: 0.35rem;
  transition: color var(--tap);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--blaze);
}

/* --- Theme toggle --- */
.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--tap), border-color var(--tap), background-color var(--tap);
}
.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--rule-strong);
  background: var(--paper-raised);
}
.theme-toggle__moon { display: none; }
[data-theme="dark"] .theme-toggle__sun { display: none; }
[data-theme="dark"] .theme-toggle__moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle__sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle__moon { display: block; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-foot {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  border-top: 1px solid var(--rule);
  margin-top: var(--sp-8);
}
.site-foot__inner {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-4);
  padding-block: var(--sp-5);
  flex-wrap: wrap;
}
.site-foot__coord {
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.site-foot__updated {
  font-size: var(--fs-small);
  color: var(--muted);
  margin: 0;
}

/* ============================================================
   Home — hero, waypoints, columns
   ============================================================ */
.hero {
  position: relative;
  padding-block: clamp(1rem, 4vw, 3rem) clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--rule);
}
.hero__name {
  font-size: var(--fs-hero);
  line-height: 0.95;
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 144, "SOFT" 4, "WONK" 0;
  margin-block: var(--sp-4) 0;
}
.hero__lede {
  font-size: var(--fs-lede);
  color: var(--ink);
  margin-top: var(--sp-5);
  max-width: 40ch;
}
.hero__lede a { color: var(--forest); }

.waypoints {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-block: clamp(2.5rem, 6vw, 4rem);
}
.waypoint {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: clamp(1.25rem, 3vw, 1.9rem);
  background: var(--paper);
  color: var(--ink);
  transition: background-color var(--tap);
}
.waypoint:hover { background: var(--paper-raised); }
.waypoint__index {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.waypoint__arrow {
  color: var(--muted);
  transition: transform var(--tap), color var(--tap);
}
.waypoint:hover .waypoint__arrow {
  color: var(--blaze);
  transform: translate(3px, -3px);
}
.waypoint__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 480;
  font-variation-settings: "opsz" 40, "SOFT" 0;
  margin-top: var(--sp-1);
}
.waypoint__desc {
  color: var(--muted);
  font-size: var(--fs-small);
  margin: 0;
}

.colset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: var(--sp-7);
}
.col h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  padding-bottom: var(--sp-3);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.col h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 2.25rem;
  height: 2px;
  background: var(--blaze);
}
.col p { margin-bottom: var(--sp-4); }
.col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.col li {
  padding-block: 0.4rem;
  border-bottom: 1px solid var(--rule);
}
.col li:last-child { border-bottom: 0; }

/* ============================================================
   Section header (dashboard pages)
   ============================================================ */
.section-header {
  margin-bottom: var(--sp-7);
}
.section-header .eyebrow {
  margin-bottom: var(--sp-4);
}
.section-header h1 {
  margin-bottom: var(--sp-4);
}
.section-header > p {
  font-size: var(--fs-lede);
  color: var(--ink);
  max-width: 56ch;
}
.source-note {
  margin-top: var(--sp-4);
  font-size: var(--fs-small);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}
.source-note::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border: 1.5px solid var(--contour);
  border-radius: 50%;
  flex: 0 0 auto;
}

/* ============================================================
   Stat grid — "field readings"
   ============================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-7);
}
.stat-card {
  position: relative;
  padding: var(--sp-5) var(--sp-5) var(--sp-4);
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2rem;
  height: 3px;
  background: var(--blaze);
}
.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-stat);
  font-weight: 420;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 144, "SOFT" 0;
  color: var(--ink);
  font-variant-numeric: tabular-nums lining-nums;
  white-space: nowrap;
}
.stat-label {
  display: block;
  margin-top: var(--sp-3);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
}

/* ============================================================
   Dashboard sections + log rows
   ============================================================ */
.dashboard-section {
  margin-bottom: var(--sp-7);
}
.dashboard-section > h2 {
  position: relative;
  font-size: var(--fs-h2);
  padding-bottom: var(--sp-3);
  margin-bottom: var(--sp-2);
  border-bottom: 1px solid var(--rule);
}
.dashboard-section > h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 2.25rem;
  height: 2px;
  background: var(--blaze);
}
.dashboard-section > p {
  color: var(--muted);
  margin-top: var(--sp-3);
}

.dashboard-list {
  margin-top: var(--sp-2);
}
.dashboard-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-3);
  border-bottom: 1px solid var(--rule);
  transition: background-color var(--tap);
}
.dashboard-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--blaze);
  opacity: 0;
  transition: opacity var(--tap);
}
.dashboard-row:hover {
  background: var(--paper-raised);
}
.dashboard-row:hover::before { opacity: 1; }

.dashboard-row h2,
.dashboard-row h3 {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
  border: 0;
  margin: 0 0 var(--sp-1);
  padding: 0;
}
.dashboard-row h2::after { content: none; }
.dashboard-row .row-meta {
  color: var(--muted);
  font-size: var(--fs-small);
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.metric-pair {
  display: flex;
  gap: var(--sp-5);
  flex: 0 0 auto;
  text-align: right;
}
.metric-pair span {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-variant-numeric: tabular-nums lining-nums;
}
.metric-pair .metric-value {
  font-size: 1.0625rem;
  color: var(--ink);
  font-weight: 500;
}
.metric-pair .metric-unit {
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
}

/* ============================================================
   Tags (status)
   ============================================================ */
.tag {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  color: var(--muted);
  white-space: nowrap;
}
.tag::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
}
.tag--completed,
.tag--read {
  color: var(--forest);
  border-color: color-mix(in srgb, var(--forest) 35%, var(--rule));
}
.tag--in_progress,
.tag--currently_reading {
  color: var(--blaze-ink);
  border-color: color-mix(in srgb, var(--blaze) 45%, var(--rule));
}
[data-theme="dark"] .tag--in_progress,
[data-theme="dark"] .tag--currently_reading { color: var(--blaze); }
.tag--planned,
.tag--to_read {
  color: var(--contour);
  border-color: color-mix(in srgb, var(--contour) 35%, var(--rule));
}

/* ============================================================
   Music — playlist cards
   ============================================================ */
.playlist-grid {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.playlist-card {
  display: flex;
  flex-direction: column;
  padding: var(--sp-5);
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  transition: border-color var(--tap), box-shadow var(--tap);
}
.playlist-card:hover {
  border-color: var(--rule-strong);
  box-shadow: var(--shadow-card);
}
.playlist-card h2,
.playlist-card h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 480;
  font-variation-settings: "opsz" 40, "SOFT" 0;
  border: 0;
  padding: 0;
  margin: 0;
}
.playlist-card h2::after { content: none; }
.playlist-card__count {
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
  margin: var(--sp-2) 0 var(--sp-4);
}
.playlist-card ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: track;
}
.playlist-card li {
  counter-increment: track;
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: var(--sp-2);
  padding-block: 0.4rem;
  border-top: 1px solid var(--rule);
  font-size: var(--fs-small);
}
.playlist-card li::before {
  content: counter(track, decimal-leading-zero);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-label);
  padding-top: 0.15rem;
}
.playlist-card li strong {
  display: block;
  color: var(--muted);
  font-size: var(--fs-label);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-top: 1px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  .site-head__inner {
    min-height: 0;
    padding-block: var(--sp-3);
  }
  .waypoints { grid-template-columns: 1fr; }
  .colset { grid-template-columns: 1fr; }
  .dashboard-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-3);
  }
  .metric-pair {
    width: 100%;
    justify-content: flex-start;
    text-align: left;
    gap: var(--sp-6);
  }
  .metric-pair span { align-items: flex-start; }
  .dashboard-row .tag { align-self: flex-start; }
}

@media (max-width: 420px) {
  .site-nav ul { gap: 0.85rem; }
  .site-nav a { font-size: 0.875rem; }
}