:root {
  --ink: #1f2937;
  --paper: #fffaf0;
  --paper-2: #fff2d9;
  --brand: #0f4c81;
  --reveal: #1e88e5;
  --hint: #b56a00;
  --solution: #e27d00;
  --next: #2e7d32;
  --card: #fffdf8;
  --line: #d9c39d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Nunito Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 20%, #ffe8b6 0%, #fff7e5 35%, #f3f9ff 100%);
  min-height: 100vh;
}

.shell {
  max-width: 1120px;
  margin: 24px auto;
  padding: 18px;
  background: linear-gradient(165deg, var(--paper), var(--paper-2));
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 16px 45px rgba(31, 41, 55, 0.12);
}

.topbar {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.brand {
  margin: 0;
  font-family: "Bree Serif", Georgia, serif;
  font-size: 30px;
  letter-spacing: 0.2px;
  color: var(--brand);
}

.controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.select {
  min-width: 280px;
  border-radius: 10px;
  border: 1px solid #c5a979;
  padding: 8px 10px;
  background: #fff;
  font-size: 15px;
}

.xp-box {
  font-weight: 800;
  font-size: 16px;
  color: #6f4a00;
}

.header {
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.story-title {
  margin: 0;
  font-family: "Bree Serif", Georgia, serif;
  font-size: 34px;
  line-height: 1.12;
}

.story-ref {
  margin-top: 8px;
  font-size: 17px;
}

.caption {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid #7da5cb;
  background: #e9f3ff;
  font-size: 18px;
  font-weight: 700;
  min-height: 52px;
  display: flex;
  align-items: center;
}

.caption-highlight {
  background: #ffe8b6;
  border-color: #da9700;
  color: #5e3a00;
}

.slots {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  gap: 16px;
}

.slot {
  border: 2px solid #9bb6d2;
  border-radius: 14px;
  background: #f8fcff;
  height: 126px;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
  animation: riseIn 0.35s ease both;
}

.slot:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(15, 76, 129, 0.18);
}

.slot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
}

.pulse {
  animation: pulseHint 0.9s ease-in-out infinite;
}

.actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  color: #fff;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.btn-reveal { background: var(--reveal); }
.btn-hint { background: var(--hint); }
.btn-solution { background: var(--solution); }
.btn-next { background: var(--next); }
.btn-create { background: #8a3ffc; }
.btn-ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid #cbb489;
}

.solution {
  margin-top: 18px;
  border-radius: 12px;
  border: 1px solid #cfb58a;
  background: #fff;
  padding: 14px 16px;
}

.solution h3 {
  margin: 0 0 8px;
  font-family: "Bree Serif", Georgia, serif;
  color: #8a4b00;
}

.solution p {
  margin: 6px 0;
  line-height: 1.45;
  font-size: 16px;
}

.editor,
.picker {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(16, 24, 39, 0.62);
  padding: 24px;
  overflow: auto;
}

.editor-card,
.picker-card {
  max-width: 1080px;
  margin: 0 auto;
  background: linear-gradient(180deg, #fffdf7, #fff4de);
  border: 1px solid #d7bc92;
  border-radius: 18px;
  box-shadow: 0 22px 60px rgba(15, 23, 42, 0.24);
  padding: 20px;
}

.picker-card {
  max-width: 980px;
}

.editor-head,
.picker-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.editor-head h3,
.picker-head h3 {
  margin: 0;
  font-family: "Bree Serif", Georgia, serif;
  font-size: 28px;
  color: var(--brand);
}

.editor-head p {
  margin: 6px 0 0;
  color: #5f4b24;
  font-size: 15px;
}

.editor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

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

.field span {
  font-size: 14px;
  font-weight: 800;
  color: #5e4300;
}

.field input,
.field textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid #cdb186;
  background: #fff;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
}

.field-wide {
  grid-column: 1 / -1;
}

.field-grow {
  flex: 1 1 240px;
}

.editor-section {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid #dfcaa6;
}

.editor-section h4 {
  margin: 0 0 12px;
  font-family: "Bree Serif", Georgia, serif;
  color: #7a4a00;
  font-size: 22px;
}

.slot-editor-list {
  display: grid;
  gap: 12px;
}

.slot-editor-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) 110px 110px;
  gap: 10px;
  align-items: center;
  padding: 10px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #dfc79d;
  border-radius: 12px;
}

.slot-editor-row-extended {
  grid-template-columns: 140px minmax(0, 1fr) 110px 72px minmax(0, 1.3fr);
}

.slot-editor-label {
  font-weight: 800;
  color: #6d4900;
}

.slot-editor-preview {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  border: 1px solid #d4b584;
  background: #fffaf0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.slot-editor-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.editor-actions {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.editor-status {
  font-weight: 700;
  color: #684700;
}

.picker-upload {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.upload-status {
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #6f4a00;
}

.asset-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
  max-height: 58vh;
  overflow: auto;
}

.asset-card {
  border: 1px solid #d5b985;
  background: #fff;
  border-radius: 12px;
  padding: 8px;
  min-height: 122px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.asset-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(123, 88, 23, 0.18);
}

.asset-card img {
  width: 100%;
  height: 74px;
  object-fit: contain;
}

.asset-card span {
  margin-top: 8px;
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: #5b4308;
  word-break: break-word;
}

@keyframes pulseHint {
  0% { box-shadow: 0 0 0 0 rgba(221, 148, 0, 0.46); border-color: #b56a00; }
  70% { box-shadow: 0 0 0 14px rgba(221, 148, 0, 0); border-color: #e3a53a; }
  100% { box-shadow: 0 0 0 0 rgba(221, 148, 0, 0); border-color: #b56a00; }
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
  .story-title { font-size: 26px; }
  .caption { font-size: 16px; }
  .slots { grid-template-columns: repeat(2, minmax(110px, 1fr)); }
  .select { min-width: 210px; }
  .editor-grid { grid-template-columns: 1fr; }
  .slot-editor-row,
  .slot-editor-row-extended { grid-template-columns: 1fr; }
  .editor,
  .picker { padding: 12px; }
  .picker-upload { align-items: stretch; }
}