/*--------------------------------------------------------------
# Εκπαίδευση: εξάσκηση, παιχνίδια, γωνιά παιδιών
# Ίδια γλώσσα με τον εικονικό πομποδέκτη: σκούρο πράσινο γυαλί, LED, γραμματοσειρά οργάνων
--------------------------------------------------------------*/
.lrn {
  --lrn-ink: #14220e;
  --lrn-panel: #14220e;
  --lrn-panel-2: #1c3012;
  --lrn-text: #f4f8f0;
  --lrn-muted: #b9c8ae;
  --lrn-green: #5c9f24;
  --lrn-led: #9cf05c;
  --lrn-amber: #ffb454;
  --lrn-red: #ff7a66;
  --lrn-line: rgba(255, 255, 255, 0.16);
  font-family: "Open Sans", sans-serif;
  color: #2a2a2a;
}

.lrn-page {
  padding: 36px 0 70px;
}

.lrn-lead {
  max-width: 720px;
  margin: 0 0 28px;
  font-size: 18px;
  line-height: 1.6;
}

.lrn-note,
.lrn-loading {
  padding: 14px 16px;
  border-radius: 12px;
  background: #f6f6f6;
}

.lrn-source {
  max-width: 760px;
  margin: 34px 0 0;
  font-size: 13px;
  color: #6c757d;
}

/* ---------- Επιλογή επιπέδου ---------- */
.lrn-levels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.lrn-level {
  padding: 9px 18px;
  border: 2px solid #d7e3cc;
  border-radius: 999px;
  color: #3d6d17;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.lrn-level:hover {
  border-color: var(--lrn-green);
  color: #3d6d17;
}

.lrn-level.is-on {
  background: var(--lrn-green);
  border-color: var(--lrn-green);
  color: #fff;
}

/* ---------- Πλακίδια αρχικής ---------- */
.lrn-tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.lrn-tile {
  display: flex;
  flex-direction: column;
  padding: 26px 26px 22px;
  border-radius: 22px;
  border: 1px solid #dbe6d1;
  background: #f7faf4;
  color: #2a2a2a;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.lrn-tile:hover {
  transform: translateY(-3px);
  border-color: var(--lrn-green);
  box-shadow: 0 14px 30px rgba(20, 34, 14, 0.12);
  color: #2a2a2a;
}

.lrn-tile h3 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
  color: #2f5a10;
}

.lrn-tile p {
  margin: 0 0 14px;
  line-height: 1.6;
}

.lrn-tile-main {
  background: linear-gradient(160deg, #1c3012, #14220e);
  border-color: #14220e;
  color: var(--lrn-text);
}

.lrn-tile-main h3 { color: #fff; }
.lrn-tile-main:hover { color: var(--lrn-text); border-color: var(--lrn-led); }

.lrn-tile-meta {
  font-family: "Share Tech Mono", monospace;
  font-size: 14px;
  color: var(--lrn-led);
}

.lrn-tile-progress {
  margin-top: 6px;
  font-size: 14px;
  color: var(--lrn-amber);
}

.lrn-tile-go {
  margin-top: auto;
  padding-top: 16px;
  font-weight: 700;
  color: #3d6d17;
}

.lrn-tile-main .lrn-tile-go { color: var(--lrn-led); }

.lrn-tile-kids {
  background: #fff6d6;
  border-color: #f2dc86;
}

.lrn-tile-kids h3 { color: #8a5a00; }
.lrn-tile-kids .lrn-tile-go { color: #8a5a00; }

.lrn-info {
  max-width: 820px;
  margin-top: 44px;
}

.lrn-info h3 { font-size: 22px; font-weight: 700; color: #2f5a10; }
.lrn-info li { margin-bottom: 8px; line-height: 1.6; }

/* ---------- Κονσόλα (το σκούρο γυάλινο panel) ---------- */
.lrn-console {
  position: relative;
  padding: 26px 28px;
  border-radius: 28px;
  background: linear-gradient(165deg, var(--lrn-panel-2), var(--lrn-panel) 70%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 24px 50px rgba(20, 34, 14, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  color: var(--lrn-text);
}

.lrn-console h3,
.lrn-console h4 { color: #fff; }

.lrn-readout {
  font-family: "Share Tech Mono", monospace;
  line-height: 1;
  white-space: nowrap;
}

.lrn-readout-num {
  font-size: 56px;
  color: var(--lrn-led);
  text-shadow: 0 0 18px rgba(156, 240, 92, 0.45);
}

.lrn-readout-of {
  font-size: 24px;
  color: var(--lrn-muted);
}

.lrn-readout-big .lrn-readout-num { font-size: 84px; }
.lrn-readout-big .lrn-readout-of { font-size: 32px; }

.lrn-overview {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 22px;
}

.lrn-overview-text { flex: 1; min-width: 0; }
.lrn-overview-text strong { display: block; margin-bottom: 10px; font-weight: 600; }
.lrn-overview-text small { display: block; margin-top: 8px; color: var(--lrn-muted); font-size: 14px; }

.lrn-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  overflow: hidden;
}

.lrn-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #5c9f24, var(--lrn-led));
}

/* ---------- Κουμπιά ---------- */
.lrn-btn {
  display: inline-block;
  padding: 12px 24px;
  border: 2px solid var(--lrn-green);
  border-radius: 999px;
  background: var(--lrn-green);
  color: #fff;
  font-family: "Poppins", sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.lrn-btn:hover { background: #4b8a1a; border-color: #4b8a1a; color: #fff; }
.lrn-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.lrn-btn-ghost {
  background: transparent;
  color: #3d6d17;
}

.lrn-btn-ghost:hover { background: var(--lrn-green); color: #fff; }

.lrn-link {
  padding: 4px 0;
  border: 0;
  background: none;
  color: #3d6d17;
  font-size: 14px;
  text-decoration: underline;
  cursor: pointer;
}

.lrn-console .lrn-link { color: var(--lrn-led); }

.lrn .lrn-btn:focus-visible,
.lrn .lrn-link:focus-visible,
.lrn .lrn-key:focus-visible,
.lrn .lrn-level:focus-visible,
.lrn .lrn-tile:focus-visible,
.lrn .lrn-game-tab:focus-visible,
.lrn .lrn-switch-btn:focus-visible,
.lrn .lrn-input:focus-visible,
.lrn .lrn-select:focus-visible {
  outline: 3px solid var(--lrn-amber);
  outline-offset: 2px;
}

/* ---------- Αρχική εξάσκησης ---------- */
.lrn-modes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.lrn-mode,
.lrn-chapter {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid #dbe6d1;
  border-radius: 20px;
  background: #f7faf4;
}

.lrn-mode h4,
.lrn-chapter h4 { margin: 0 0 8px; font-size: 18px; font-weight: 700; color: #2f5a10; }
.lrn-mode p { margin: 0 0 16px; line-height: 1.55; }
.lrn-mode .lrn-btn { margin-top: auto; align-self: flex-start; }

.lrn-h {
  margin: 36px 0 16px;
  font-size: 22px;
  font-weight: 700;
  color: #2f5a10;
}

.lrn-h-dark { color: #fff; font-size: 20px; margin-top: 30px; }

.lrn-chapters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}

.lrn-chapter .lrn-bar { background: #dfe8d6; }
.lrn-chapter-meta { margin: 10px 0 14px; font-size: 14px; color: #5a6a50; }
.lrn-chapter .lrn-btn { align-self: flex-start; margin-top: auto; }

.lrn-history {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.lrn-history li {
  display: flex;
  flex-direction: column;
  min-width: 150px;
  padding: 12px 16px;
  border-radius: 14px;
  background: #fbeee3;
  font-size: 14px;
}

.lrn-history li.is-pass { background: #e6f4d9; }
.lrn-history-score { font-family: "Share Tech Mono", monospace; font-size: 24px; color: #2a2a2a; }
.lrn-history small { color: #6c757d; }
.lrn-reset { margin-top: 28px; }

/* ---------- Ερώτηση ---------- */
.lrn-q-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 14px;
}

.lrn-chip {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(156, 240, 92, 0.14);
  border: 1px solid rgba(156, 240, 92, 0.4);
  color: var(--lrn-led);
  font-size: 13px;
  font-weight: 600;
}

.lrn-count,
.lrn-clock {
  font-family: "Share Tech Mono", monospace;
  font-size: 20px;
  color: var(--lrn-text);
}

.lrn-clock { margin-left: auto; color: var(--lrn-amber); }
.lrn-q-top .lrn-chip:last-child:not(:first-child) { margin-left: auto; }

.lrn-leds {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

.lrn-led {
  width: 22px;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.16);
}

.lrn-led.is-on { background: var(--lrn-muted); }
.lrn-led.is-ok { background: var(--lrn-led); box-shadow: 0 0 8px rgba(156, 240, 92, 0.6); }
.lrn-led.is-no { background: var(--lrn-red); }
.lrn-led.is-now { outline: 2px solid #fff; outline-offset: 2px; }

.lrn-leds-solid {
  display: block;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.lrn-leds-fill {
  display: block;
  height: 100%;
  background: var(--lrn-led);
  box-shadow: 0 0 10px rgba(156, 240, 92, 0.6);
  transition: width 0.3s;
}

.lrn-q-text {
  margin: 0 0 22px;
  font-family: "Poppins", sans-serif;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.45;
  color: #fff;
}

.lrn-fig {
  margin: 0 0 22px;
  padding: 10px;
  border-radius: 16px;
  background: #fff;
  text-align: center;
}

.lrn-fig img {
  max-width: 100%;
  max-height: 340px;
  height: auto;
  border-radius: 8px;
}

.lrn-keys {
  display: grid;
  gap: 12px;
}

.lrn-key {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--lrn-text);
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
}

.lrn-key:hover:not(:disabled) {
  border-color: var(--lrn-led);
  background: rgba(156, 240, 92, 0.1);
}

.lrn-key:active:not(:disabled) { transform: scale(0.99); }

.lrn-key-label {
  flex: 0 0 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  font-family: "Share Tech Mono", monospace;
  font-size: 17px;
  line-height: 30px;
  text-align: center;
}

.lrn-key-text { flex: 1; min-width: 0; padding-top: 2px; }

.lrn-key:disabled { cursor: default; }
.lrn-key.is-picked { border-color: var(--lrn-amber); background: rgba(255, 180, 84, 0.12); }
.lrn-key.is-right { border-color: var(--lrn-led); background: rgba(156, 240, 92, 0.16); box-shadow: 0 0 14px rgba(156, 240, 92, 0.3); }
.lrn-key.is-right .lrn-key-label { background: var(--lrn-led); color: var(--lrn-ink); }
.lrn-key.is-wrong { border-color: var(--lrn-red); background: rgba(255, 122, 102, 0.14); }
.lrn-key.is-wrong .lrn-key-label { background: var(--lrn-red); color: var(--lrn-ink); }
.lrn-key.is-dim { opacity: 0.5; }

.lrn-keys-compact { grid-template-columns: repeat(2, 1fr); }

.lrn-q-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 20px;
}

.lrn-feedback {
  flex: 1 1 100%;
  margin: 0;
  font-weight: 600;
}

.lrn-feedback.is-ok { color: var(--lrn-led); }
.lrn-feedback.is-no { color: #ffc2b8; }

.lrn-qid { margin-left: auto; font-size: 12px; color: var(--lrn-muted); }
.lrn-quit { display: block; margin-top: 18px; }

/* ---------- Αποτέλεσμα ---------- */
.lrn-result { text-align: left; }
.lrn-result .lrn-readout { margin: 18px 0 6px; }
.lrn-result-msg { margin: 0 0 4px; font-size: 20px; font-weight: 600; }
.lrn-result-msg.is-pass { color: var(--lrn-led); }
.lrn-result-meta { margin: 0 0 18px; color: var(--lrn-muted); font-size: 14px; }

.lrn-per { margin: 8px 0 22px; }
.lrn-per-row {
  display: grid;
  grid-template-columns: minmax(150px, 1.1fr) 2fr 64px;
  align-items: center;
  gap: 14px;
  padding: 6px 0;
  font-size: 14px;
}

.lrn-per-row b { font-family: "Share Tech Mono", monospace; font-size: 16px; text-align: right; }
.lrn-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.lrn-console .lrn-btn-ghost { color: var(--lrn-led); border-color: var(--lrn-led); }
.lrn-console .lrn-btn-ghost:hover { background: var(--lrn-led); color: var(--lrn-ink); }

.lrn-review { display: grid; gap: 14px; }
.lrn-review-item { padding: 16px 18px; border-radius: 16px; background: rgba(255, 255, 255, 0.06); }
.lrn-review-q { margin: 0 0 8px; font-weight: 600; }
.lrn-review-fig { display: block; max-width: 100%; max-height: 200px; margin: 0 0 10px; border-radius: 8px; background: #fff; }
.lrn-review-a { margin: 4px 0 0; font-size: 15px; }
.lrn-review-a span { color: var(--lrn-muted); }
.lrn-review-a.is-no { color: #ffc2b8; }
.lrn-review-a.is-ok { color: var(--lrn-led); }

/* ---------- Παιχνίδια ---------- */
.lrn-game-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.lrn-game-tab {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 2px solid #dbe6d1;
  border-radius: 18px;
  background: #f7faf4;
  color: #2a2a2a;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.lrn-game-tab strong { font-family: "Poppins", sans-serif; font-size: 17px; color: #2f5a10; }
.lrn-game-tab span { font-size: 14px; line-height: 1.45; color: #4f5d46; }
.lrn-game-tab:hover { border-color: var(--lrn-green); }
.lrn-game-tab[aria-selected="true"] { border-color: var(--lrn-ink); background: var(--lrn-ink); }
.lrn-game-tab[aria-selected="true"] strong { color: var(--lrn-led); }
.lrn-game-tab[aria-selected="true"] span { color: var(--lrn-muted); }

.lrn-stage { min-height: 280px; }
.lrn-stage:focus { outline: none; }
.lrn-stage-title { margin: 0 0 18px; font-size: 22px; font-weight: 700; }
.lrn-stage-empty { margin: 0; color: var(--lrn-muted); }

.lrn-switch { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }

.lrn-switch-btn {
  padding: 8px 16px;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: transparent;
  color: var(--lrn-text);
  font-size: 14px;
  cursor: pointer;
}

.lrn-switch-btn[aria-pressed="true"] { background: var(--lrn-led); border-color: var(--lrn-led); color: var(--lrn-ink); font-weight: 700; }

.lrn-prompt {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  margin: 6px 0 20px;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.3);
  text-align: center;
}

.lrn-bigchar {
  font-family: "Share Tech Mono", monospace;
  font-size: 64px;
  letter-spacing: 0.06em;
  color: var(--lrn-led);
  text-shadow: 0 0 20px rgba(156, 240, 92, 0.4);
}

.lrn-morse-code {
  font-family: "Share Tech Mono", monospace;
  font-size: 48px;
  letter-spacing: 0.15em;
  color: var(--lrn-amber);
}

.lrn-play { padding: 16px 32px; font-size: 18px; }

.lrn-hint { margin: 0 0 14px; color: var(--lrn-muted); line-height: 1.55; }

.lrn-form { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 14px; }

.lrn-input,
.lrn-select {
  min-width: 0;
  padding: 11px 16px;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  font-size: 16px;
}

.lrn-input { flex: 1 1 240px; }
.lrn-input-num { flex: 0 1 180px; font-family: "Share Tech Mono", monospace; font-size: 22px; }
.lrn-unit { font-family: "Share Tech Mono", monospace; font-size: 20px; color: var(--lrn-led); }

.lrn-settings { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-bottom: 18px; font-size: 14px; color: var(--lrn-muted); }
.lrn-select option { color: #222; }

.lrn-spell-out { display: flex; flex-wrap: wrap; gap: 8px; }
.lrn-spell { display: flex; flex-direction: column; align-items: center; padding: 8px 12px; border-radius: 12px; background: rgba(255, 255, 255, 0.08); }
.lrn-spell b { font-family: "Share Tech Mono", monospace; font-size: 22px; }
.lrn-spell span { font-size: 13px; }
.lrn-spell.is-ok b { color: var(--lrn-led); }
.lrn-spell.is-no b { color: var(--lrn-red); }
.lrn-spell-out .lrn-feedback,
.lrn-spell-out .lrn-btn { margin-top: 10px; }

.lrn-calc-q { margin: 0 0 16px; font-size: 20px; line-height: 1.5; }

/* ---------- Γωνιά παιδιών ---------- */
.kid {
  --kid-sun: #ffd23f;
  --kid-sky: #3bb4e8;
  --kid-coral: #ff7a59;
  --kid-leaf: #5c9f24;
  --kid-ink: #26331d;
  padding: 36px 0 70px;
  background: linear-gradient(180deg, #fffbe9 0%, #ffffff 360px);
}

.kid .container { max-width: 940px; }

.kid-intro {
  padding: 8px 0 24px;
}

.kid-intro h3 {
  margin: 0 0 14px;
  font-family: "Poppins", sans-serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--kid-ink);
}

.kid-intro p { max-width: 640px; font-size: 18px; line-height: 1.65; }
.kid-parent { padding: 12px 16px; border-left: 5px solid var(--kid-sky); background: #eaf7fd; border-radius: 0 12px 12px 0; font-size: 15px !important; }

.kid-card {
  margin: 0 0 24px;
  padding: 28px 30px;
  border: 3px solid var(--kid-ink);
  border-radius: 26px;
  background: #fff;
  box-shadow: 6px 6px 0 var(--kid-sun);
}

.kid-card:nth-of-type(3n+2) { box-shadow: 6px 6px 0 var(--kid-sky); }
.kid-card:nth-of-type(3n) { box-shadow: 6px 6px 0 var(--kid-coral); }

.kid-card h3 {
  margin: 0 0 12px;
  font-family: "Poppins", sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--kid-ink);
}

.kid-card p { font-size: 17px; line-height: 1.65; }

.kid-btn { font-size: 16px; }
.kid-form { margin: 16px 0; }
.kid .lrn-input { background: #f4f9ee; color: var(--kid-ink); border: 2.5px solid var(--kid-ink); }
.kid .lrn-input::placeholder { color: #6f7d66; }
.kid .lrn-link { color: #1f6f9a; }

.kid .lrn-btn:focus-visible,
.kid .kid-chip:focus-visible,
.kid .kid-key:focus-visible,
.kid .kid-opt:focus-visible,
.kid summary:focus-visible,
.kid input:focus-visible {
  outline: 3px solid #ff7a59;
  outline-offset: 3px;
}

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

.kid-note { margin: 12px 0 0; font-size: 15px !important; color: #4f5d46; }

/* Κύματα */
.kid-wave canvas {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 12px;
  border-radius: 18px;
  background: #eef9ff;
}

.kid-wave label { display: block; margin-bottom: 4px; font-weight: 700; }
.kid-wave input[type=range] { width: 100%; accent-color: var(--kid-leaf); }
.kid-wave-text { min-height: 1.6em; margin: 8px 0 14px; font-weight: 600; }
.kid-chips { display: flex; flex-wrap: wrap; gap: 10px; }

.kid-chip {
  padding: 9px 18px;
  border: 2.5px solid var(--kid-ink);
  border-radius: 999px;
  background: var(--kid-sun);
  color: var(--kid-ink);
  font-weight: 700;
  cursor: pointer;
}

.kid-chip:hover { background: #ffe27a; }
.kid-real-text { min-height: 1.6em; margin: 14px 0 0; padding: 0; color: #1f6f9a; font-weight: 600; }

/* Πλακάκια Μορς / φωνητικού */
.kid-morse-out,
.kid-nato-out {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 16px;
}

.kid-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
  padding: 10px 12px;
  border: 2.5px solid var(--kid-ink);
  border-radius: 16px;
  background: #fffbe9;
}

.kid-tile b { font-family: "Poppins", sans-serif; font-size: 26px; line-height: 1.1; }
.kid-tile span { font-family: "Share Tech Mono", monospace; font-size: 22px; letter-spacing: 0.1em; color: #b5481f; }
.kid-tile-nato span { font-family: "Poppins", sans-serif; font-size: 14px; letter-spacing: 0; font-weight: 600; color: #1f6f9a; }
.kid-tile-sm { min-width: 58px; padding: 6px 8px; }
.kid-tile-sm b { font-size: 20px; }
.kid-tile-sm span { font-size: 16px; }
.kid-gap { flex: 0 0 100%; height: 0; }

.kid-lamp-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

.kid-lamp {
  display: inline-block;
  width: 46px;
  height: 46px;
  border: 3px solid var(--kid-ink);
  border-radius: 50%;
  background: #d8dccf;
  transition: background 0.05s, box-shadow 0.05s;
}

.kid-lamp.is-on { background: var(--kid-sun); box-shadow: 0 0 26px 8px rgba(255, 210, 63, 0.8); }

/* Κλειδί */
.kid-key-area { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; margin-top: 14px; }

.kid-key {
  width: 170px;
  height: 170px;
  border: 4px solid var(--kid-ink);
  border-radius: 50%;
  background: var(--kid-coral);
  box-shadow: 0 8px 0 var(--kid-ink);
  color: #fff;
  font-family: "Poppins", sans-serif;
  font-size: 22px;
  font-weight: 700;
  cursor: pointer;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.kid-key.is-down { transform: translateY(6px); box-shadow: 0 2px 0 var(--kid-ink); background: #ff5a30; }

.kid-key-screen {
  flex: 1 1 260px;
  min-height: 140px;
  padding: 16px 20px;
  border-radius: 18px;
  background: var(--lrn-ink, #14220e);
  color: #9cf05c;
}

.kid-key-now { min-height: 44px; font-family: "Share Tech Mono", monospace; font-size: 38px; letter-spacing: 0.15em; }
.kid-key-msg { min-height: 40px; margin-bottom: 6px; font-family: "Share Tech Mono", monospace; font-size: 30px; letter-spacing: 0.1em; color: #fff; word-break: break-all; }
.kid-key-screen .lrn-link { color: #9cf05c; }

.kid-details { margin-top: 18px; }
.kid-details summary { font-weight: 700; cursor: pointer; }
.kid-table { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

/* Κουίζ */
.kid-quiz-count { margin: 0 0 4px; font-weight: 700; color: #1f6f9a; }
.kid-quiz-q { margin: 0 0 16px; font-size: 21px !important; font-weight: 700; line-height: 1.4; }
.kid-quiz-opts { display: grid; gap: 12px; margin-bottom: 14px; }

.kid-opt {
  padding: 16px 20px;
  border: 3px solid var(--kid-ink);
  border-radius: 18px;
  background: #fffbe9;
  color: var(--kid-ink);
  font-size: 18px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: transform 0.1s, background 0.15s;
}

.kid-opt:hover:not(:disabled) { background: #ffefa8; transform: translateY(-1px); }
.kid-opt:disabled { cursor: default; }
.kid-opt.is-right { background: #c9f2a4; }
.kid-opt.is-wrong { background: #ffd0c4; }
.kid-opt.is-dim { opacity: 0.55; }
.kid-quiz-fb { min-height: 1.6em; margin: 0 0 12px; font-weight: 700; }
.kid-quiz-fb.is-ok { color: #2f6d0c; }
.kid-quiz-fb.is-no { color: #b5481f; }
.kid-stars { display: flex; gap: 8px; font-size: 56px; line-height: 1; color: #d9ddd0; }
.kid-stars .is-on { color: var(--kid-sun); text-shadow: 0 2px 0 var(--kid-ink); }

/* Ασφάλεια, λίστες, λεξικό */
.kid-safety { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }

.kid-safety div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border-radius: 18px;
  background: #fff1ec;
  border: 2.5px solid var(--kid-coral);
}

.kid-safety strong { font-size: 18px; }
.kid-safety span { font-size: 16px; line-height: 1.5; }

.kid-list { padding-left: 20px; }
.kid-list li { margin-bottom: 12px; font-size: 17px; line-height: 1.6; }

.kid-dl { display: grid; grid-template-columns: max-content 1fr; gap: 10px 22px; margin: 0; }
.kid-dl dt { font-family: "Poppins", sans-serif; font-weight: 700; color: #1f6f9a; }
.kid-dl dd { margin: 0; line-height: 1.55; }

.kid-invite { background: #eaf7fd; }
.kid-invite .lrn-btn { margin: 4px 8px 4px 0; }

/* ---------- Κινητά ---------- */
@media (max-width: 820px) {
  .lrn-tiles,
  .lrn-modes { grid-template-columns: 1fr; }
  .lrn-game-tabs { grid-template-columns: repeat(2, 1fr); }
  .lrn-overview { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 600px) {
  .lrn-page,
  .kid { padding-top: 24px; }
  .lrn-console { padding: 20px 16px; border-radius: 22px; }
  .lrn-q-text { font-size: 19px; }
  .lrn-keys-compact { grid-template-columns: 1fr; }
  .lrn-readout-num { font-size: 44px; }
  .lrn-readout-big .lrn-readout-num { font-size: 64px; }
  .lrn-per-row { grid-template-columns: 1fr 56px; }
  .lrn-per-row .lrn-bar { grid-column: 1 / -1; grid-row: 2; }
  .lrn-game-tabs { grid-template-columns: 1fr; }
  .lrn-qid { margin-left: 0; flex-basis: 100%; }
  .kid-card { padding: 22px 18px; }
  .kid-intro h3 { font-size: 25px; }
  .kid-safety { grid-template-columns: 1fr; }
  .kid-dl { grid-template-columns: 1fr; gap: 2px; }
  .kid-dl dd { margin-bottom: 10px; }
  .kid-key { width: 140px; height: 140px; }
}

@media (prefers-reduced-motion: reduce) {
  .lrn *, .kid * { transition: none !important; animation: none !important; }
}

/* Χρονόμετρο ανά ερώτηση (παιχνίδια με επίπεδα δυσκολίας) */
.lrn-timebar {
  height: 8px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.lrn-timebar-fill {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--lrn-led);
}
.lrn-timebar.is-low .lrn-timebar-fill { background: var(--lrn-red); }

/* Διακριτικό που αλφαβητίζεται χαρακτήρα προς χαρακτήρα */
.lrn-callsign { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.lrn-cs-ch {
  min-width: 1.3em;
  padding: 2px 6px;
  border-radius: 6px;
  border: 2px solid transparent;
  font-family: "Share Tech Mono", monospace;
  font-size: 36px;
  line-height: 1.2;
  text-align: center;
  color: var(--lrn-muted);
}
.lrn-cs-ch.is-cur { color: var(--lrn-text); border-color: var(--lrn-amber); background: rgba(255, 180, 84, 0.14); }
.lrn-cs-ch.is-ok { color: var(--lrn-led); }
.lrn-cs-ch.is-no { color: var(--lrn-red); }