:root {
  --jeg-bg: #06101c;
  --jeg-bg-2: #0b1724;
  --jeg-card: #101e2d;
  --jeg-card-2: #12263a;
  --jeg-border: #26394d;
  --jeg-text: #f8fafc;
  --jeg-muted: #cbd5e1;
  --jeg-muted-2: #94a3b8;
  --jeg-orange: #f97316;
  --jeg-orange-hover: #ea580c;
  --jeg-blue: #38bdf8;
  --jeg-green: #84cc16;
  --jeg-red: #ef4444;
}

.jeg-toolkit,
.jeg-toolkit * { box-sizing: border-box; }

.jeg-toolkit {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--jeg-text);
  margin: 48px 0;
}

.jeg-dashboard {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px),
    radial-gradient(circle at top right, rgba(249,115,22,.20), transparent 26%),
    var(--jeg-bg);
  background-size: 30px 30px, 30px 30px, auto, auto;
  padding: 34px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 22px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

.jeg-dashboard:before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 8px;
  background: repeating-linear-gradient(45deg, var(--jeg-orange) 0 16px, #111827 16px 32px);
}

.jeg-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 24px;
  align-items: stretch;
  margin: 20px 0 22px;
}

.jeg-hero-panel h2,
.jeg-section-head h2 {
  color: var(--jeg-text);
  font-size: clamp(28px, 4vw, 52px);
  line-height: .98;
  margin: 10px 0 14px;
  font-weight: 900;
  letter-spacing: -.04em;
}

.jeg-hero-panel p,
.jeg-section-head p {
  color: var(--jeg-muted);
  font-size: 16px;
  line-height: 1.55;
  max-width: 840px;
  margin: 0;
}

.jeg-section-head {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 28px;
}

.jeg-section-head p { margin: 0 auto; }

.jeg-kicker,
.jeg-card-label {
  display: inline-block;
  color: var(--jeg-orange);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
}

.jeg-card-label {
  background: rgba(249,115,22,.14);
  border: 1px solid rgba(249,115,22,.34);
  border-radius: 5px;
  padding: 5px 8px;
  line-height: 1;
}

.jeg-progress-panel,
.jeg-mission-strip,
.jeg-tool-card,
.jeg-calc-card,
.jeg-vocab-item,
.jeg-formula-card,
.jeg-question-box,
.jeg-symbol-card,
.jeg-flashcard {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(249,115,22,.10), transparent 34%),
    linear-gradient(135deg, var(--jeg-card), var(--jeg-bg-2));
  border: 1px solid var(--jeg-border);
  border-left: 6px solid var(--jeg-orange);
  border-radius: 16px;
  box-shadow: 0 14px 38px rgba(0,0,0,.24);
}

.jeg-progress-panel { padding: 20px; text-align: center; }
.jeg-progress-ring {
  width: 92px;
  height: 92px;
  border: 8px solid rgba(249,115,22,.25);
  border-top-color: var(--jeg-orange);
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 16px auto;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
}
.jeg-progress-panel p { font-size: 13px; margin: 0 0 10px; }

.jeg-mission-strip {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 16px 18px;
  margin-bottom: 22px;
  border-left-color: var(--jeg-blue);
}
.jeg-mission-strip span { color: var(--jeg-blue); font-size: 12px; font-weight: 900; text-transform: uppercase; letter-spacing: .10em; white-space: nowrap; }
.jeg-mission-strip p { color: var(--jeg-muted); margin: 0; line-height: 1.4; }

.jeg-tool-grid,
.jeg-vocab-grid,
.jeg-formula-grid,
.jeg-symbol-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.jeg-calc-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }

.jeg-tool-card,
.jeg-calc-card,
.jeg-vocab-item,
.jeg-formula-card,
.jeg-question-box,
.jeg-symbol-card { padding: 22px; }

.jeg-tool-card:hover,
.jeg-calc-card:hover,
.jeg-vocab-item:hover,
.jeg-formula-card:hover,
.jeg-symbol-card:hover {
  transform: translateY(-2px);
  border-color: #38546f;
  background:
    radial-gradient(circle at top right, rgba(249,115,22,.16), transparent 34%),
    linear-gradient(135deg, var(--jeg-card-2), var(--jeg-bg-2));
}

.jeg-tool-card h3,
.jeg-calc-card h3,
.jeg-vocab-item h3,
.jeg-formula-card h3,
.jeg-question-box h3,
.jeg-symbol-card h3,
.jeg-flashcard h3 {
  font-size: 22px;
  line-height: 1.12;
  margin: 12px 0;
  color: var(--jeg-text);
  font-weight: 900;
  letter-spacing: -.025em;
}

.jeg-tool-card p,
.jeg-vocab-item p,
.jeg-question-box p,
.jeg-symbol-card p,
.jeg-calc-note,
.jeg-answer-box,
.jeg-result {
  color: var(--jeg-muted);
  line-height: 1.55;
  margin: 10px 0;
}

.jeg-romaji { color: var(--jeg-blue) !important; font-weight: 800; }

.jeg-tag,
.jeg-daily-stamp {
  display: inline-block;
  background: var(--jeg-orange);
  color: #111827;
  padding: 6px 9px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  line-height: 1;
}
.jeg-daily-stamp { background: rgba(56,189,248,.14); color: var(--jeg-blue); border: 1px solid rgba(56,189,248,.34); }

.jeg-mini-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--jeg-orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
}
.jeg-mini-link:hover { color: var(--jeg-orange-hover); }

.jeg-calculators,
.jeg-cable-calculator,
.jeg-exam-trainer,
.jeg-formulas,
.jeg-question-of-day,
.jeg-flashcards,
.jeg-symbols,
.jeg-vocab-list { margin-top: 56px; }

.jeg-calc-card label {
  display: block;
  font-weight: 800;
  color: var(--jeg-muted);
  font-size: 13px;
  margin: 11px 0;
}

.jeg-calc-card input,
.jeg-calc-card select,
.jeg-search {
  width: 100%;
  margin-top: 6px;
  padding: 12px 13px;
  border: 1px solid var(--jeg-border);
  border-radius: 9px;
  font-size: 15px;
  background: #07111d;
  color: var(--jeg-text);
}
.jeg-calc-card input:focus,
.jeg-calc-card select:focus,
.jeg-search:focus { outline: none; border-color: var(--jeg-orange); box-shadow: 0 0 0 3px rgba(249,115,22,.18); }

.jeg-calc-card button,
.jeg-question-box button,
.jeg-flash-actions button,
.jeg-ghost-btn {
  margin: 12px 8px 0 0;
  background: var(--jeg-orange);
  color: #fff;
  border: 0;
  border-radius: 9px;
  padding: 11px 16px;
  font-weight: 900;
  cursor: pointer;
  transition: background .15s ease, transform .15s ease;
}
.jeg-calc-card button:hover,
.jeg-question-box button:hover,
.jeg-flash-actions button:hover { background: var(--jeg-orange-hover); }
.jeg-ghost-btn { background: transparent; border: 1px solid var(--jeg-border); color: var(--jeg-muted); }
.jeg-ghost-btn:hover { border-color: var(--jeg-orange); color: #fff; }

.jeg-result,
.jeg-answer-box {
  margin-top: 15px;
  padding: 15px;
  background: #07111d;
  border: 1px solid var(--jeg-border);
  border-left: 5px solid var(--jeg-orange);
  border-radius: 10px;
  min-height: 54px;
  font-weight: 650;
}
.jeg-result strong,
.jeg-answer-box strong { color: var(--jeg-text); }
.jeg-answer-box.is-visible { border-left-color: var(--jeg-green); }

.jeg-result-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.jeg-result-item { background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.08); border-radius: 10px; padding: 12px; }
.jeg-result-item span { display: block; color: var(--jeg-muted-2); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.jeg-result-item strong { font-size: 17px; }

.jeg-cable-card { max-width: 1180px; margin: 0 auto; }
.jeg-cable-grid,
.jeg-smart-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 14px 16px; }
.jeg-smart-grid { grid-template-columns: repeat(4, minmax(0,1fr)); margin-top: 16px; }
.jeg-smart-grid [hidden], .jeg-smart-grid .is-hidden { display: none !important; }
.jeg-smart-calc-header { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(260px,.7fr); gap: 22px; align-items: end; }

.jeg-choice-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin: 18px 0 12px; }
.jeg-choice-list button { background: #07111d; color: var(--jeg-text); border: 1px solid var(--jeg-border); text-align: left; margin: 0; min-height: 50px; }
.jeg-choice-list button:hover:not(:disabled) { background: var(--jeg-card-2); border-color: var(--jeg-orange); }
.jeg-choice-list button:disabled { cursor: not-allowed; opacity: .96; }
.jeg-choice-list button.is-correct { background: rgba(132,204,22,.16); border-color: var(--jeg-green); color: #ecfccb; }
.jeg-choice-list button.is-wrong { background: rgba(239,68,68,.14); border-color: var(--jeg-red); color: #fee2e2; }
.jeg-question-topline { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.jeg-question-media { margin: 14px 0 18px; border: 1px solid var(--jeg-border); border-radius: 12px; background: #07111d; overflow: hidden; }
.jeg-question-media:empty { display: none; }
.jeg-question-media img { display: block; width: 100%; max-height: 280px; object-fit: contain; background: #07111d; }

.jeg-search { max-width: 760px; margin: 0 auto 22px; display: block; }
.jeg-formula-card { text-align: center; }
.jeg-formula-card p { font-size: 28px; font-weight: 950; color: var(--jeg-orange); margin: 12px 0; }
.jeg-formula-card small { color: var(--jeg-muted); line-height: 1.5; }

.jeg-symbol-card { display: grid; grid-template-columns: 86px minmax(0,1fr); gap: 16px; align-items: center; }
.jeg-symbol-mark { width: 78px; height: 78px; border: 3px solid var(--jeg-orange); display: grid; place-items: center; color: #fff; font-weight: 950; font-size: 26px; border-radius: 14px; background: #07111d; box-shadow: inset 0 0 0 6px rgba(249,115,22,.10); }

.jeg-flashcard { max-width: 760px; margin: 0 auto; padding: 24px; text-align: center; }
.jeg-flash-stage { min-height: 230px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 20px; }
.jeg-flash-stage h3 { font-size: 42px; margin: 16px 0 6px; }
.jeg-flash-back { color: var(--jeg-muted); line-height: 1.55; max-width: 560px; }

.jeg-admin-shortcodes { display:flex; gap:8px; flex-wrap:wrap; margin:15px 0; }
.jeg-admin-shortcodes code { background:#111827; color:#fff; padding:8px 10px; }

@media (max-width: 1180px) {
  .jeg-calc-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .jeg-cable-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .jeg-smart-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .jeg-hero-panel { grid-template-columns: 1fr; }
  .jeg-tool-grid,
  .jeg-vocab-grid,
  .jeg-formula-grid,
  .jeg-symbol-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .jeg-smart-calc-header { grid-template-columns: 1fr; }
  .jeg-smart-grid,
  .jeg-result-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 640px) {
  .jeg-toolkit { margin: 28px 0; }
  .jeg-dashboard { padding: 24px 12px; border-radius: 14px; }
  .jeg-hero-panel h2,
  .jeg-section-head h2 { font-size: 20px !important; line-height: 1.08; }
  .jeg-hero-panel p,
  .jeg-section-head p { font-size: 12px !important; line-height: 1.45; }
  .jeg-tool-grid,
  .jeg-calc-grid,
  .jeg-vocab-grid,
  .jeg-formula-grid,
  .jeg-cable-grid,
  .jeg-choice-list,
  .jeg-result-grid,
  .jeg-smart-grid,
  .jeg-symbol-grid { grid-template-columns: 1fr; }
  .jeg-tool-card,
  .jeg-calc-card,
  .jeg-vocab-item,
  .jeg-formula-card,
  .jeg-question-box,
  .jeg-symbol-card,
  .jeg-flashcard { padding: 14px; border-radius: 12px; }
  .jeg-tool-card h3,
  .jeg-calc-card h3,
  .jeg-vocab-item h3,
  .jeg-formula-card h3,
  .jeg-question-box h3,
  .jeg-symbol-card h3 { font-size: 14px !important; line-height: 1.25; }
  .jeg-tool-card p,
  .jeg-vocab-item p,
  .jeg-question-box p,
  .jeg-symbol-card p,
  .jeg-calc-note,
  .jeg-result,
  .jeg-answer-box,
  .jeg-calc-card label,
  .jeg-mini-link { font-size: 12px !important; }
  .jeg-card-label,
  .jeg-tag,
  .jeg-daily-stamp,
  .jeg-kicker { font-size: 10px !important; }
  .jeg-calc-card input,
  .jeg-calc-card select,
  .jeg-search,
  .jeg-calc-card button,
  .jeg-question-box button,
  .jeg-flash-actions button,
  .jeg-ghost-btn { font-size: 12px !important; min-height: 42px; }
  .jeg-mission-strip { display: block; padding: 12px; }
  .jeg-symbol-card { grid-template-columns: 58px minmax(0,1fr); }
  .jeg-symbol-mark { width: 52px; height: 52px; font-size: 18px; border-radius: 10px; }
  .jeg-flash-stage h3 { font-size: 26px !important; }
}