/* Yashina AI Training — shared styles.
   Warm, high-contrast, readable on a phone. Light and dark both supported. */

:root {
  --bg:      #fdf8ee;
  --surface: #ffffff;
  --ink:     #2e2a24;
  --muted:   #6f6555;
  --accent:  #b5622f;
  --accent-soft: #fbeade;
  --line:    #e7ddc9;
  --code-bg: #2f2a24;
  --code-ink:#f6eee0;
  --ok:      #2f7d4f;
  --warn:    #9a6b12;
  --warn-bg: #fdf3d8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:      #1a1714;
    --surface: #242019;
    --ink:     #f0e8da;
    --muted:   #a99d8a;
    --accent:  #e89a63;
    --accent-soft: #35291f;
    --line:    #3a332a;
    --code-bg: #12100d;
    --code-ink:#f0e8da;
    --ok:      #7bc496;
    --warn:    #e3b65c;
    --warn-bg: #332a16;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 5rem;
}

/* ---- Type ---- */

h1 {
  font-size: clamp(1.9rem, 6vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 .4rem;
}

h2 {
  font-size: clamp(1.3rem, 4vw, 1.6rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 3rem 0 .75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

h3 {
  font-size: 1.1rem;
  margin: 2rem 0 .5rem;
}

p, ul, ol { margin: 0 0 1.1rem; }
li { margin-bottom: .45rem; }

a { color: var(--accent); text-underline-offset: 3px; }

.lede {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.eyebrow {
  font-size: .8rem;
  font-weight: 650;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 .75rem;
}

strong { font-weight: 650; }

/* ---- Code ---- */

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .88em;
  background: var(--accent-soft);
  color: var(--accent);
  padding: .12em .38em;
  border-radius: 4px;
  word-break: break-word;
}

pre {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 1rem 1.1rem;
  border-radius: 10px;
  overflow-x: auto;
  font-size: .86rem;
  line-height: 1.6;
  margin: 0 0 1.2rem;
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: 1em;
}

/* ---- Tables ---- */

.scroll { overflow-x: auto; margin: 0 0 1.4rem; }

table {
  border-collapse: collapse;
  width: 100%;
  font-size: .95rem;
}

th, td {
  text-align: left;
  padding: .6rem .7rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  font-weight: 650;
}

/* ---- Callouts ---- */

.note, .warn, .key {
  border-radius: 10px;
  padding: 1rem 1.15rem;
  margin: 0 0 1.4rem;
  font-size: .97rem;
}

.note { background: var(--surface); border: 1px solid var(--line); }
.warn { background: var(--warn-bg); border: 1px solid var(--warn); }
.key  { background: var(--accent-soft); border-left: 4px solid var(--accent); }

.note > :last-child,
.warn > :last-child,
.key  > :last-child { margin-bottom: 0; }

.note-title {
  font-weight: 650;
  display: block;
  margin-bottom: .35rem;
}

/* ---- URL decoder ---- */

.url-decode {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.3rem 1.15rem;
  margin: 0 0 1.4rem;
  text-align: center;
}

.url-decode .url {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: clamp(.95rem, 3.6vw, 1.25rem);
  white-space: nowrap;
  overflow-x: auto;
  display: block;
  padding-bottom: .5rem;
}

.seg-domain { color: var(--accent); font-weight: 700; }
.seg-sub    { color: var(--ok);     font-weight: 700; }
.seg-path   { color: var(--warn);   font-weight: 700; }

.legend {
  display: grid;
  gap: .5rem;
  margin-top: .9rem;
  text-align: left;
  font-size: .9rem;
}

.legend div { display: flex; gap: .55rem; align-items: baseline; }
.legend b { flex: 0 0 auto; }

/* ---- Cards (hub page) ---- */

.cards { display: grid; gap: 1rem; margin: 2rem 0; }

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.2rem 1.3rem;
  text-decoration: none;
  color: inherit;
  transition: border-color .15s ease, transform .15s ease;
}

.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin: 0 0 .3rem; color: var(--accent); }
.card p  { margin: 0; color: var(--muted); font-size: .95rem; }

.card.soon { opacity: .55; pointer-events: none; }

/* ---- Steps ---- */

.step-num {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  width: 1.6rem; height: 1.6rem;
  line-height: 1.6rem;
  text-align: center;
  border-radius: 50%;
  font-size: .9rem;
  font-weight: 700;
  margin-right: .5rem;
  flex: 0 0 auto;
}

@media (prefers-color-scheme: dark) {
  .step-num { color: #1a1714; }
}

/* ---- Nav / footer ---- */

.back {
  display: inline-block;
  font-size: .9rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 1.5rem;
}

.back:hover { color: var(--accent); }

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: .87rem;
  color: var(--muted);
}