/* =========================================================
   Simple Budget - How-to guides (shared design)
   Theme follows the device by default (works whether these
   pages are opened in a browser or embedded in the app),
   and honours an explicit choice via html[data-theme].
   ========================================================= */

:root {
  --bg:          #f4f7fd;
  --surface:     #ffffff;
  --surface-2:   #eef3fc;
  --ink:         #14203c;
  --ink-dim:     #55618a;
  --ink-faint:   #8791b3;
  --line:        rgba(20, 40, 90, 0.12);
  --line-strong: rgba(20, 40, 90, 0.20);
  --accent:      #2f6bff;
  --accent-ink:  #ffffff;
  --accent-weak: rgba(47, 107, 255, 0.10);
  --frame:       rgba(20, 40, 90, 0.14);
  --frame-shadow: 0 14px 34px -16px rgba(20, 40, 90, 0.22);

  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --maxw: 820px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:          #0a1326;
    --surface:     #12203c;
    --surface-2:   #16264a;
    --ink:         #eaf0ff;
    --ink-dim:     #9db0d6;
    --ink-faint:   #6b7da3;
    --line:        rgba(150, 172, 224, 0.16);
    --line-strong: rgba(150, 172, 224, 0.30);
    --accent:      #5b8cff;
    --accent-ink:  #0a1326;
    --accent-weak: rgba(91, 140, 255, 0.16);
    --frame:       rgba(165, 188, 240, 0.5);
    --frame-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 0 0 1px rgba(10,19,38,0.6), 0 18px 40px -16px rgba(0,0,0,0.72);
  }
}

:root[data-theme="dark"] {
  --bg:          #0a1326;
  --surface:     #12203c;
  --surface-2:   #16264a;
  --ink:         #eaf0ff;
  --ink-dim:     #9db0d6;
  --ink-faint:   #6b7da3;
  --line:        rgba(150, 172, 224, 0.16);
  --line-strong: rgba(150, 172, 224, 0.30);
  --accent:      #5b8cff;
  --accent-ink:  #0a1326;
  --accent-weak: rgba(91, 140, 255, 0.16);
  --frame:       rgba(165, 188, 240, 0.5);
  --frame-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 0 0 1px rgba(10,19,38,0.6), 0 18px 40px -16px rgba(0,0,0,0.72);
}

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

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  transition: background .25s var(--ease), color .25s var(--ease);
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */
.hd {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.hd .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.hd-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}
.hd-brand:hover { text-decoration: none; }
.hd-brand img { width: 26px; height: 26px; border-radius: 6px; }
.hd-back {
  font-size: 0.9rem;
  color: var(--ink-dim);
  white-space: nowrap;
}
.hd-back:hover { color: var(--accent); text-decoration: none; }

/* ---------- page shell ---------- */
.page { padding: 40px 0 8px; }
.page > .wrap > h1 {
  font-size: clamp(1.55rem, 4vw, 2.05rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
}
.lead { margin-top: 10px; color: var(--ink-dim); max-width: 60ch; }

/* ---------- hub: search + question grid ---------- */
.search { position: relative; margin: 26px 0 22px; }
.search svg {
  position: absolute; left: 15px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--ink-faint); pointer-events: none;
}
#searchInput {
  width: 100%;
  padding: 14px 16px 14px 44px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
#searchInput::placeholder { color: var(--ink-faint); }
#searchInput:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-weak);
}

#questionList {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.q-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  font-weight: 500;
  transition: border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
}
.q-card:hover {
  border-color: var(--line-strong);
  background: var(--surface-2);
  transform: translateY(-2px);
  text-decoration: none;
}
.q-card svg { width: 18px; height: 18px; color: var(--accent); flex: none; }
.q-empty { padding: 28px; color: var(--ink-dim); text-align: center; }

/* ---------- guide: step timeline ---------- */
.guide .meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.guide .intro { margin-top: 16px; color: var(--ink-dim); max-width: 62ch; }

.guide section { margin-top: 40px; }
.guide section > h2 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 4px;
}

.steps { list-style: none; position: relative; margin-top: 12px; }
.steps::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--line-strong);
}
.step { position: relative; padding: 0 0 32px 54px; }
.step:last-child { padding-bottom: 0; }
.step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.85rem;
  border: 3px solid var(--bg);
}
.step-text { color: var(--ink); font-size: 1.02rem; padding-top: 4px; }
.step-media { margin-top: 14px; }
.step-media picture { display: inline-block; }
.step-media img {
  width: 100%;
  max-width: 240px;
  height: auto;
  border: 1px solid var(--frame);
  border-radius: 14px;
  box-shadow: var(--frame-shadow);
  background: var(--surface);
}
.step-note { margin-top: 12px; color: var(--ink-dim); font-size: 0.96rem; }
.step-note a { font-weight: 600; }

/* ---------- footer ---------- */
.ft { border-top: 1px solid var(--line); margin-top: 56px; }
.ft .wrap {
  padding: 24px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  justify-content: space-between;
}
.ft p { color: var(--ink-faint); font-size: 0.85rem; font-family: var(--mono); }
.ft a { font-size: 0.9rem; }

@media (max-width: 600px) {
  .page { padding: 26px 0 4px; }
  #questionList { grid-template-columns: 1fr; }
  .step { padding-left: 48px; padding-bottom: 28px; }
  .step-media img { max-width: 200px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.001ms !important; }
  .q-card:hover { transform: none; }
}