/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #eee8dc;
  --card:    #f5f0e8;
  --green:   #2d6a4f;
  --green2:  #1b4332;
  --amber:   #e0a84b;
  --rose:    #d4756b;
  --text:    #1c1c1c;
  --muted:   #8a8478;
  --border:  #d9d2c5;
  --radius:  999px;
}

body {
  font-family: 'Nunito', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 40px 0;
  position: relative;
}

.nav-tabs {
  display: flex;
  gap: 4px;
  background: #ddd7cc;
  border-radius: var(--radius);
  padding: 5px;
}

.nav-tab {
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: var(--radius);
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
}

.nav-tab.active {
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.brand {
  font-family: 'Caveat', cursive;
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  position: absolute;
  right: 40px;
  top: 22px;
  letter-spacing: 0.3px;
}

/* ── MAIN LAYOUT ── */
main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 40px 20px;
  align-items: center;
}
.footer {
  position: fixed;
  bottom: 10px;
  width: 100%;
  text-align: center;
  font-size: 14px;
  color: #888;
  font-family: 'Nunito', sans-serif;
}

.footer a {
  color: #888;
  text-decoration: none;
  margin: 0 8px;
  transition: 0.2s ease;
}

.footer a:hover {
  color: #2d6a4f;
}
/* ── LEFT PANEL ── */
.left-panel {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-right: 40px;
}

.big-title {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.title-word {
  font-family: 'Caveat', cursive;
  font-weight: 700;
  color: var(--green);
  position: relative;
  display: inline-block;
}

.t1 {
  font-size: clamp(54px, 7vw, 80px);
  letter-spacing: -1px;
}

.t2 {
  font-size: clamp(54px, 7vw, 80px);
  letter-spacing: -1px;
  margin-top: -8px;
}

/* wobbly underline on title words */
.t1::after {
  content: '';
  display: block;
  height: 5px;
  border-radius: 3px;
  background: var(--amber);
  width: 60%;
  margin-top: 2px;
  transform: rotate(-1deg);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step {
  font-family: 'Caveat', cursive;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.step em {
  font-style: normal;
  color: var(--amber);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--amber);
  text-underline-offset: 3px;
}

.step .em2 { color: var(--rose); text-decoration-color: var(--rose); }
.step .em3 { color: var(--green); text-decoration-color: var(--green); }

.streak-wrap {
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  transition: opacity 0.4s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ── RIGHT PANEL ── */
.right-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 280px;
  justify-content: center;
}

.q-stage {
  display: flex;
  flex-direction: column;
  gap: 0;
  text-align: center;
}

.idle-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 40px 0;
}

.idle-emoji {
  font-size: 36px;
  animation: bob 2.5s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-8px) rotate(3deg); }
}

.idle-msg {
  font-size: 16px;
  color: var(--muted);
  font-weight: 600;
}

.live-block {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.prev-q {
  font-size: 15px;
  color: #b0aa9f;
  text-align: center;
  padding: 10px 0;
  font-weight: 600;
  min-height: 36px;
  transition: all 0.3s;
  font-style: italic;
}

.divider-line {
  height: 1px;
  background: var(--border);
  width: 100%;
}

.curr-q {
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 800;
  color: var(--text);
  text-align: center;
  padding: 20px 0;
  line-height: 1.55;
  min-height: 80px;
  transition: all 0.3s;
}

.next-label {
  font-size: 14px;
  color: #b0aa9f;
  text-align: center;
  padding: 10px 0;
  font-weight: 600;
}

.meta-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.topic-tag {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius);
  background: #d6ede1;
  color: var(--green2);
}

.company-tag {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius);
  background: #f0e8d5;
  color: #7a5c20;
}

.diff-tag {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius);
}

.diff-tag.easy   { background: #d4edda; color: #155724; }
.diff-tag.medium { background: #fff3cd; color: #856404; }
.diff-tag.hard   { background: #f8d7da; color: #721c24; }

.hint-box, .answer-box {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  background: #f0ebe1;
  border-left: 3px solid var(--amber);
  border-radius: 0 10px 10px 0;
  padding: 10px 14px;
  text-align: left;
}

.answer-box { border-left-color: var(--green); }

.hint-label, .answer-label {
  font-weight: 800;
  margin-right: 4px;
}

/* ── TIMER ── */
.timer-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
}

.timer-ring {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.timer-num {
  font-family: 'Nunito', sans-serif;
  font-size: 32px;
  font-weight: 900;
  color: var(--text);
  line-height: 1;
  min-width: 48px;
  transition: color 0.3s;
}

.timer-num.urgent { color: var(--rose); }

.timer-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ── BOTTOM BAR ── */
.bottom-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px 40px 40px;
  flex-wrap: wrap;
}

.btn-spin {
  font-family: 'Nunito', sans-serif;
  font-size: 18px;
  font-weight: 900;
  padding: 14px 44px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s;
  box-shadow: 0 4px 0 var(--green2);
  letter-spacing: 0.3px;
}

.btn-spin:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--green2); }
.btn-spin:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--green2); }
.btn-spin:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: 0 4px 0 var(--green2); }

.btn-timer {
  font-family: 'Nunito', sans-serif;
  font-size: 16px;
  font-weight: 800;
  padding: 14px 28px;
  background: transparent;
  color: var(--text);
  border: 2px solid var(--text);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.2px;
}

.btn-timer:hover { background: var(--text); color: var(--bg); }
.btn-timer.running { border-color: var(--rose); color: var(--rose); }
.btn-timer.running:hover { background: var(--rose); color: #fff; }
.btn-timer.done { border-color: var(--green); color: var(--green); }

.btn-secondary {
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 800;
  padding: 12px 22px;
  background: transparent;
  color: var(--muted);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
}

.btn-secondary:hover { border-color: var(--muted); color: var(--text); }

/* ── ANIMATIONS ── */
@keyframes slide-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.slide-up { animation: slide-up 0.35s ease forwards; }

/* ── RESPONSIVE ── */
@media (max-width: 680px) {
  nav { flex-direction: column; gap: 14px; }
  .brand { position: static; text-align: center; }
  main { grid-template-columns: 1fr; padding: 24px 20px 10px; }
  .left-panel { padding-right: 0; align-items: center; text-align: center; }
  .t1::after { margin: 2px auto 0; }
  .bottom-bar { padding: 16px 20px 36px; }
}