/*
  Lenta (lg2-lenta) — fizinė skelbimų lenta.
  Konvencija: semantiniai vientisi klasių vardai (board / offerboard / pinnote / stamp).
  Mobile-first. Breakpoints: 360 / 768 / 1024 / 1440.
  Spalvos ir tarpai — tik iš VARIANT.md lentelės (5 hex, 2 tarpų reikšmės: 24px / 72px).
*/

/* ===== Tokenai ===== */
:root {
  --color-bg: #F2E205;      /* fonas — lentos geltona */
  --color-ink: #000000;     /* tekstas / rašalas / ribos */
  --color-accent: #2B4BFF;  /* akcentas — antspaudo mėlyna */
  --color-paper: #FFFDF2;   /* paviršius — lapelis */
  --color-pressed: #E0D400; /* riba / paspaudimo būsena — nuspausta geltona */

  --space-sm: 24px;
  --space-lg: 72px;

  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-text: "Space Grotesk", "Segoe UI", sans-serif;

  --fs-base: 1rem;
  --fs-md: 1.618rem;
  --fs-lg: 2.618rem;
  --fs-xl: 4.236rem;
  --fs-xxl: 6.854rem;

  --border: 3px solid var(--color-ink);
  --shadow-hard: 6px 6px 0 var(--color-ink);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-text);
  font-size: var(--fs-base);
  line-height: 1.5;
  overflow-x: hidden; /* saugiklis nuo pasuktų blokų krašto persidengimo */
}
img, svg { max-width: 100%; display: block; }
a { color: var(--color-accent); }
ul, ol { padding-left: 1.2em; }
h1, h2, h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  line-height: 1.08;
  margin: 0;
}
p { margin: 0 0 1em; max-width: 58ch; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* ===== Layout wrapper ===== */
.board {
  max-width: 78rem;
  margin: 0 auto;
  padding: var(--space-sm);
}
@media (min-width: 768px) {
  .board { padding: var(--space-sm) var(--space-lg); }
}

/* ===== H — viršutinė juosta ===== */
.board-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: var(--space-sm);
}
.board-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.age-stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 32px;
  padding: 0 8px;
  border: var(--border);
  border-radius: 0;
  background: var(--color-paper);
  font-family: var(--font-text);
  font-weight: 700;
  font-size: 0.9rem;
  transform: rotate(-2deg);
}
.board-return {
  font-size: 0.95rem;
}
.board-return summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  text-decoration: underline;
}
.board-return summary::-webkit-details-marker { display: none; }
.board-return p {
  margin-top: 8px;
  max-width: 32ch;
}

/* ===== P — Herojus / offerboard (be UI, tik antraštė + antspaudas + mygtukas) ===== */
.offerboard {
  position: relative;
  padding-block: var(--space-lg) var(--space-lg);
}
.offerboard-heading {
  font-size: clamp(2.4rem, 5vw + 1.4rem, var(--fs-xxl));
  max-width: 16ch;
}
.offerboard-heading .line { display: block; }
.offerboard-sub {
  margin-top: var(--space-sm);
  font-size: var(--fs-md);
  font-weight: 400;
  max-width: 42ch;
}
.stamp {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: clamp(96px, 16vw, 176px);
  height: clamp(96px, 16vw, 176px);
  transform: rotate(-9deg);
  z-index: 1;
  color: var(--color-accent);
}
@media (min-width: 1024px) {
  .stamp {
    top: 0.4em;
    right: 8%;
    transform: rotate(-9deg) translateY(-10%);
  }
}
.stamp svg { width: 100%; height: 100%; }

.offerboard-actions {
  margin-top: var(--space-lg);
}

/* ===== post-btn — vienintelis CTA mygtukas per visą srautą ===== */
.post-btn {
  display: inline-block;
  font-family: var(--font-text);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-ink);
  background: var(--color-paper);
  border: var(--border);
  padding: 18px 28px;
  cursor: pointer;
  box-shadow: var(--shadow-hard);
  transition: transform 80ms ease, box-shadow 80ms ease, background-color 80ms ease;
}
.post-btn:hover { background: #fff; }
.post-btn:active,
.post-btn.is-pressed {
  transform: translate(6px, 6px);
  box-shadow: none;
  background: var(--color-pressed);
}

/* ===== pinnote — prisegtas lapelis, universalus turinio blokas ===== */
.pinnote {
  background: var(--color-paper);
  border: var(--border);
  box-shadow: var(--shadow-hard);
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.pinnote--a { transform: rotate(-1.5deg); }
.pinnote--b { transform: rotate(1deg); }
.pinnote h2 { font-size: var(--fs-lg); margin-bottom: 12px; }
.pinnote h3 { font-size: var(--fs-md); margin-bottom: 8px; }
.pinnote p:last-child { margin-bottom: 0; }
.pinnote ol { margin: 0; }
.pinnote li { margin-bottom: 8px; }
.pinnote li:last-child { margin-bottom: 0; }

.board-row {
  display: flex;
  flex-direction: column;
}
@media (min-width: 768px) {
  .board-row--pair {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: flex-start;
  }
  .board-row--pair > .pinnote { flex: 1 1 40%; }
}
@media (min-width: 1024px) {
  .board-row--quad > .pinnote { flex: 1 1 21%; }
}

/* Ties siauru ekranu pasukimas ramesnis — kad pasuktas kraštas
   niekada neišstumtų turinio už 360px pločio ir nekurtų horizontalaus scroll. */
@media (max-width: 480px) {
  .pinnote--a, .pinnote--b { transform: rotate(0deg); }
  .stamp { transform: rotate(-4deg); }
}

/* ===== FORM-explainer (F7 + antras CTA taškas) ===== */
.board-form-note .post-btn { margin-top: var(--space-sm); }

/* ===== D — FAQ ===== */
.board-faq {
  padding-bottom: var(--space-sm);
}
.board-faq summary {
  cursor: pointer;
  font-family: var(--font-text);
  font-weight: 700;
  font-size: 1.05rem;
  list-style: none;
}
.board-faq summary::-webkit-details-marker { display: none; }
.board-faq summary::before {
  content: "+ ";
  color: var(--color-accent);
}
.board-faq details[open] summary::before { content: "− "; }
.board-faq details p { margin-top: 10px; }
.board-faq-return {
  display: inline-block;
  margin-top: var(--space-sm);
  font-weight: 700;
  background: transparent;
  border: none;
  padding: 0;
  color: var(--color-accent);
  text-decoration: underline;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-text);
}

/* ===== L — poraštė ===== */
.board-footer {
  border-top: var(--border);
  padding-block: var(--space-sm);
  font-size: 0.9rem;
}
.board-footer nav {
  display: flex;
  gap: var(--space-sm);
  margin-top: 8px;
}
.board-footer nav a { font-weight: 700; }

/* ===== C — slapukų juosta (statinė, per visą plotį, be vėlavimo) ===== */
.cookie-strip {
  border-top: var(--border);
  background: var(--color-paper);
  padding: var(--space-sm);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  justify-content: space-between;
}
.cookie-strip p { margin: 0; max-width: 60ch; }
.cookie-strip[hidden] { display: none; }
.cookie-strip .post-btn { padding: 12px 20px; font-size: 0.95rem; }

/* ===== Modalas (F10) ===== */
.board-modal {
  border: var(--border);
  background: var(--color-paper);
  color: var(--color-ink);
  padding: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  margin: 0;
  inset: 0;
}
.board-modal::backdrop {
  background: rgba(0, 0, 0, 0.6);
}
.board-modal__sheet {
  min-height: 100%;
  padding: var(--space-sm);
  max-width: 42rem;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .board-modal__sheet { padding: var(--space-lg); }
}
.board-modal__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.board-modal__head h2 { font-size: var(--fs-lg); }
.board-modal__close {
  border: var(--border);
  background: var(--color-bg);
  font-family: var(--font-text);
  font-weight: 700;
  font-size: 1rem;
  width: 40px;
  height: 40px;
  cursor: pointer;
  flex: none;
}

.board-field {
  margin-bottom: var(--space-sm);
}
.board-field label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}
.board-field input,
.board-field select {
  width: 100%;
  font-family: var(--font-text);
  font-size: 1rem;
  padding: 12px;
  border: var(--border);
  background: #fff;
}
.board-field-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.board-field-check input { width: 20px; height: 20px; flex: none; margin-top: 3px; }
.board-field-check label { font-weight: 400; margin: 0; }

.board-error {
  color: #B00020;
  font-weight: 700;
  font-size: 0.9rem;
  margin-top: 6px;
  min-height: 1.2em;
}
.board-field.has-error input,
.board-field.has-error select {
  border-color: #B00020;
}

.board-success {
  border: var(--border);
  background: var(--color-bg);
  padding: var(--space-sm);
}
.board-success h2 { font-size: var(--fs-lg); margin-bottom: 8px; }

/* ===== Prieinamumas: prefers-reduced-motion ===== */
@media (prefers-reduced-motion: reduce) {
  .post-btn { transition: none; }
}