.remainder-exploration { display: grid; gap: 18px; min-width: 0; }
.remainder-exploration [hidden] { display: none !important; }
.remainder-exploration .mode-selector { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.remainder-exploration .mode-selector button { min-height: 48px; padding: 8px 10px; background: #fffdf8; }
.remainder-exploration .mode-selector button[aria-pressed="true"] { background: var(--blue-dark); border-color: var(--blue-dark); color: #fff; }
.remainder-exploration .game-area { min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.remainder-exploration .mode-panel { min-width: 0; }
.remainder-exploration .mode-panel h3 { margin: 0 0 8px; }
.remainder-exploration .mode-panel > p { color: var(--muted); }
.remainder-exploration .scene { margin: 16px 0; min-width: 0; }
.remainder-exploration .scene:empty, .remainder-exploration .hint:empty, .remainder-exploration .feedback:empty, .remainder-exploration .discovered:empty { display: none; }
.remainder-exploration .scene-title { margin: 0 0 10px; font-size: 1.18rem; }
.remainder-exploration .loose-candies, .remainder-exploration .group-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.remainder-exploration .loose-candies { max-width: 620px; padding: 18px; border: 2px solid #b5d1e2; border-radius: 18px; background: #eaf3f8; }
.remainder-exploration .group { min-width: 118px; padding: 10px; border: 2px solid #246f9e; border-radius: 16px; background: #eaf3f8; }
.remainder-exploration .group-label { margin-bottom: 8px; font-weight: 700; }
.remainder-exploration .candies { display: grid; grid-template-columns: repeat(3, 24px); gap: 7px; }
.remainder-exploration .candy { display: inline-block; width: 24px; height: 24px; border: 2px solid #18577f; border-radius: 50%; background: repeating-linear-gradient(135deg, #246f9e 0, #246f9e 7px, #eaf3f8 7px, #eaf3f8 11px); }
.remainder-exploration .leftovers { margin-top: 12px; padding: 12px 14px; border: 2px dashed #a46117; border-radius: 16px; background: #fff3d9; }
.remainder-exploration .leftovers .candies { grid-template-columns: repeat(auto-fit, 24px); }
.remainder-exploration .leftovers .candy { border-color: #985914; background: repeating-linear-gradient(135deg, #d58d2d 0, #d58d2d 7px, #fff4d5 7px, #fff4d5 11px); }
.remainder-exploration .leftovers strong { display: block; margin-bottom: 8px; font-size: 1.2rem; }
.remainder-exploration .scene-summary { font-weight: 700; }
.remainder-exploration .math-writing { color: var(--muted); }
.remainder-exploration .controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 14px 0; }
.remainder-exploration button { min-height: 44px; }
.remainder-exploration .feedback { padding: 12px 14px; border-left: 4px solid var(--blue); border-radius: 12px; color: var(--blue-dark); background: var(--sky); font-weight: 700; }
.remainder-exploration .hint-btn { color: #725016; background: #fff7e4; border-color: #ddbf81; }
.remainder-exploration .hint { padding: 10px 12px; border-radius: 12px; color: #674814; background: #fff7e4; }
.remainder-exploration .number-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(66px, 1fr)); gap: 8px; margin: 14px 0; }
.remainder-exploration .number-options button { min-height: 58px; padding: 5px; font-size: 1.25rem; }
.remainder-exploration .number-options button small { display: block; font-size: .72rem; line-height: 1.25; }
.remainder-exploration .number-options .found { border: 2px solid #36704e; color: #285c3d; background: #edf7ee; }
.remainder-exploration .number-options .not-matching { border: 2px solid #aa6871; color: #80414c; background: #fbeef0; }
.remainder-exploration .number-options .tested { border-style: dashed; }
.remainder-exploration .discovered { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px; border-radius: 14px; color: #285c3d; background: #edf7ee; font-size: 1.15rem; font-weight: 700; }
.remainder-exploration .observation { margin: 16px 0; padding: 16px; border: 1px solid #b5d1e2; border-radius: 16px; }
.remainder-exploration .observation h4 { margin: 0 0 8px; }
.remainder-exploration .detective-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 18px; }
.remainder-exploration .clue-panel, .remainder-exploration .evidence-panel { min-width: 0; }
.remainder-exploration .clues { display: grid; gap: 8px; }
.remainder-exploration .clue { padding: 10px 12px; border-left: 4px solid var(--blue); border-radius: 12px; background: var(--sky); font-weight: 700; }
.remainder-exploration .mission { font-weight: 700; }
.remainder-exploration .step-label { color: var(--blue-dark); font-weight: 700; }
.remainder-exploration .solution { padding: 14px; border: 2px solid #43825b; border-radius: 16px; background: #eff8ef; }
.remainder-exploration .solution strong { display: block; color: #285c3d; font-size: 1.2rem; }
.remainder-exploration .secondary-controls { padding-top: 12px; border-top: 1px solid var(--line); }
.remainder-exploration .input-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 600px; margin: 12px 0; }
.remainder-exploration label { display: flex; min-width: 0; flex-direction: column; gap: 6px; font-weight: 700; }
.remainder-exploration input { width: 100%; min-width: 0; min-height: 48px; padding: 8px 10px; border: 2px solid #9eb8c7; border-radius: 10px; color: var(--ink); background: #fff; font-size: 1.1rem; }
.remainder-exploration .parent-panel { margin-top: 20px; padding: 6px 14px 12px; border: 1px solid var(--line); border-radius: 14px; background: #fffdf8; }
.remainder-exploration .parent-panel summary { min-height: 48px; padding: 10px 0; font-weight: 700; cursor: pointer; }
.remainder-exploration fieldset { margin: 14px 0; padding: 10px; border: 1px solid var(--line); border-radius: 12px; }
.remainder-exploration legend { padding: 0 6px; font-weight: 700; }
.remainder-exploration .minimum-label { max-width: 280px; }
@media (max-width: 850px) { .remainder-exploration .detective-layout { grid-template-columns: minmax(0, 1fr); gap: 6px; } }
@media (max-width: 600px) {
  .remainder-exploration .mode-selector { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .remainder-exploration .game-area { padding: 14px 10px; }
  .remainder-exploration .input-row { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .remainder-exploration .group { min-width: 100px; }
  .remainder-exploration .pager { justify-content: space-between; gap: 6px; }
  .remainder-exploration .number-options { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) { .remainder-exploration *, .remainder-exploration *::before, .remainder-exploration *::after { animation: none !important; transition: none !important; } }