/* =========================================================
   Writing Streak — Shared site chrome
   Tokens • palettes • flag • nav • footer • divider • base type
   ========================================================= */

:root {
  /* Default — Warm Paper (oxblood) */
  --paper:        #e8e7de;
  --paper-deep:   #ebe2d1;
  --paper-deeper: #e2d6bf;
  --ink:          #1f1a17;
  --ink-soft:     #4a3f37;
  --ink-faint:    #8a7d72;
  --accent:       #b8541c;
  --accent-deep:  #3a4a5c;
  --gold:         #a8864a;
  --rule:         rgba(31, 26, 23, 0.15);
  --rule-soft:    rgba(31, 26, 23, 0.08);
  --hero-tint:    transparent;
  --rail-bg:      #1f1a17;
  --rail-fg:      #e8e7de;

  --font-display: 'Fraunces', serif;
  --font-body:    'Newsreader', serif;
  --font-orn:     'Cormorant Garamond', serif;
  --font-mono:    ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --type-h1:      clamp(2.25rem, 5vw, 3.5rem);
  --type-body:    1.125rem;
  --type-meta:    0.9375rem;
  --type-small:   0.8125rem;
  --type-tiny:    0.6875rem;

  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 4rem;
  --s-7: 6rem;
  --s-8: 8rem;

  --w-prose: 720px;
  --w-tools: 880px;
  --w-wide:  1100px;
}

/* =========================================================
   PALETTE
   ========================================================= */

/* Newsprint */
body[data-palette="newsprint"] {
  --paper:        #e8e7de;
  --paper-deep:   #f0ece2;
  --paper-deeper: #ddd6c5;
  --ink:          #0a0a08;
  --ink-soft:     #2a2925;
  --ink-faint:    #76746d;
  --accent:       var(--np-accent, #b8541c);
  --accent-deep:  #0a0a08;
  --gold:         #876b2a;
  --rule:         rgba(10, 10, 8, 0.18);
  --rule-soft:    rgba(10, 10, 8, 0.09);
  --hero-tint:    transparent;
  --rail-bg:      var(--np-rail, #0a0a08);
  --rail-fg:      #e8e7de;
}

/* =========================================================
   RESET + BASE
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--type-body);
  line-height: 1.65;
  font-feature-settings: "ss01", "onum";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(168, 134, 74, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(122, 46, 46, 0.03) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(58, 74, 92, 0.025) 0%, transparent 50%);
}

main, nav, footer { position: relative; z-index: 1; }

a { color: var(--accent); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--ink); }

button { font-family: inherit; cursor: pointer; }

/* =========================================================
   MASTHEAD FLAG
   ========================================================= */
.flag {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  font-family: var(--font-orn);
  font-style: italic;
  font-size: var(--type-small);
  color: var(--ink-faint);
}
.flag-inner {
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 0.5rem var(--s-4);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s-3);
  letter-spacing: 0.04em;
}
.flag-inner > * + *::before {
  content: '·';
  margin-right: 0.65em;
  color: var(--ink-faint);
  opacity: 0.6;
}
.flag-left, .flag-right {
  display: flex;
  gap: 0.65em;
  flex-wrap: wrap;
}
.flag-left span, .flag-right span { white-space: nowrap; }

/* =========================================================
   SITE NAV
   ========================================================= */
.site-nav {
  border-bottom: 1px solid var(--rule);
  padding: var(--s-2) var(--s-4);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}
.site-nav-inner {
  max-width: var(--w-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
}
.nav-wordmark { height: 36px; width: auto; display: block; }
.nav-links {
  display: flex;
  gap: var(--s-4);
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 24, "SOFT" 50;
  font-weight: 400;
  font-size: 1.0625rem;
  color: var(--ink);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a.current { color: var(--accent); }
.nav-links a.current::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--accent);
}
.nav-links a:not(.current)::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--accent);
  transition: right 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.nav-links a:not(.current):hover { color: var(--accent); }
.nav-links a:not(.current):hover::after { right: 0; }

.nav-today {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 24, "SOFT" 50;
  font-weight: 500;
  font-size: 0.95rem;
  background: var(--accent);
  color: var(--paper) !important;
  padding: 0.4rem 0.95rem;
  border: 1px solid var(--accent);
  transition: all 0.3s ease;
}
.nav-today::after { display: none; }
.nav-today:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper) !important;
}

/* =========================================================
   ORNAMENT BREAK
   ========================================================= */
.divider {
  text-align: center;
  margin: var(--s-6) auto;
  max-width: var(--w-prose);
}
.divider img {
  max-width: 280px;
  width: 60%;
  height: auto;
  display: block;
  margin: 0 auto;
  opacity: 0.85;
}
body[data-ornament="small"] .divider img { max-width: 200px; width: 45%; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: var(--s-6) var(--s-4) var(--s-4);
  text-align: center;
}
.footer-wordmark {
  height: 28px;
  width: auto;
  margin: 0 auto var(--s-3);
  opacity: 0.55;
  display: block;
}
.footer-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--s-3);
  margin-bottom: var(--s-3);
  flex-wrap: wrap;
}
.footer-links a {
  font-family: var(--font-orn);
  font-style: italic;
  font-size: var(--type-small);
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.footer-links a:hover { color: var(--accent); }
.footer-meta {
  font-family: var(--font-orn);
  font-style: italic;
  font-size: var(--type-small);
  color: var(--ink-faint);
}
.footer-meta::before {
  content: '⁂';
  display: block;
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 0.5em;
  padding-left: 0.5em;
  margin-bottom: var(--s-2);
}

/* =========================================================
   PAGE HEADER (used by archive, tools, tool pages)
   ========================================================= */
.page-head {
  text-align: center;
  padding: var(--s-7) var(--s-3) var(--s-5);
  max-width: var(--w-prose);
  margin: 0 auto;
}
.page-head .eyebrow {
  font-family: var(--font-orn);
  font-style: italic;
  color: var(--accent-deep);
  font-size: var(--type-meta);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--s-2);
  display: block;
}
.page-head h1 {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 144, "SOFT" 50, "WONK" 0;
  font-weight: 400;
  font-size: var(--type-h1);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--s-2);
}
.page-head .lede {
  font-family: var(--font-orn);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.25rem;
  max-width: 50ch;
  margin: 0 auto;
  line-height: 1.4;
}

/* =========================================================
   RESPONSIVE — chrome only
   ========================================================= */
@media (max-width: 720px) {
  .nav-links { gap: var(--s-2); }
  .nav-links a { font-size: 0.95rem; }
  .nav-wordmark { height: 28px; }
  .nav-subscribe { display: none; }
  .flag-inner { font-size: var(--type-tiny); padding: 0.4rem var(--s-3); }
}