/* ============================================================
 *  Writing Ideas Sprint Game — Styles
 *  Purple/Indigo theme
 * ============================================================ */

/* ---- Theme Variables ---- */
.vocab-game-page--writing-ideas.wi-game-page {
  --wi-accent: #7c3aed;
  --wi-accent-light: #a78bfa;
  --wi-accent-dark: #5b21b6;
  --wi-pros: #10b981;
  --wi-cons: #f43f5e;
  --wi-warning: #f59e0b;
  --wi-bg: #1e1b4b;
  --wi-bg-card: rgba(30, 27, 75, 0.85);
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 40%, #4c1d95 100%);
  position: relative;
}

html[data-theme="light"] .vocab-game-page--writing-ideas.wi-game-page {
  --wi-bg: #f5f3ff;
  --wi-bg-card: rgba(255, 255, 255, 0.95);
  background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 40%, #ddd6fe 100%);
}

/* Shared vocab-game overrides for this theme */
.vocab-game-page--writing-ideas .vocab-game__title { color: #fff; }
.vocab-game-page--writing-ideas .vocab-game__subtitle { color: rgba(255,255,255,0.6); }
.vocab-game-page--writing-ideas .vocab-game__intro { color: rgba(255,255,255,0.75); }
.vocab-game-page--writing-ideas .vocab-game__vocab-count { color: rgba(255,255,255,0.7); }
.vocab-game-page--writing-ideas .vocab-game__vocab-count strong { color: var(--wi-accent-light); }

html[data-theme="light"] .vocab-game-page--writing-ideas .vocab-game__title { color: #312e81; }
html[data-theme="light"] .vocab-game-page--writing-ideas .vocab-game__subtitle { color: #6b7280; }
html[data-theme="light"] .vocab-game-page--writing-ideas .vocab-game__intro { color: #374151; }
html[data-theme="light"] .vocab-game-page--writing-ideas .vocab-game__vocab-count { color: #4b5563; }
html[data-theme="light"] .vocab-game-page--writing-ideas .vocab-game__vocab-count strong { color: var(--wi-accent); }

.vocab-game-page--writing-ideas .vocab-game__btn--primary {
  background: linear-gradient(135deg, var(--wi-accent) 0%, var(--wi-accent-dark) 100%);
  border-color: var(--wi-accent-dark);
}
.vocab-game-page--writing-ideas .vocab-game__btn--primary:hover {
  background: linear-gradient(135deg, var(--wi-accent-light) 0%, var(--wi-accent) 100%);
}

/* ---- Start Page ---- */
.wi-start-card {
  position: relative;
}

.wi-start-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: #10b981;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 20px;
  text-transform: uppercase;
}

.wi-rules {
  margin: 20px auto;
  padding: 16px 20px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 10px;
  text-align: left;
  max-width: 460px;
}

html[data-theme="dark"] .wi-rules {
  background: rgba(167, 139, 250, 0.1);
  border-color: rgba(167, 139, 250, 0.2);
}

.wi-rules-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--wi-accent);
  margin-bottom: 10px;
}

html[data-theme="dark"] .wi-rules-title { color: var(--wi-accent-light); }

.wi-rules-list {
  margin: 0;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-secondary, #4b5563);
}

html[data-theme="dark"] .wi-rules-list { color: rgba(255,255,255,0.8); }

.wi-disclaimer {
  margin-top: 16px;
  font-size: 11px;
  color: var(--text-muted, #6b7280);
  line-height: 1.5;
}

html[data-theme="dark"] .wi-disclaimer { color: rgba(255,255,255,0.45); }

.wi-start-btn {
  min-width: 200px;
  margin: 16px auto 0 !important;
}

/* ---- HUD ---- */
.wi-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--wi-bg-card);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 12px;
  margin-bottom: 16px;
  backdrop-filter: blur(8px);
}

.wi-hud-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wi-hud-item--topic { flex: 1; }
.wi-hud-item--type { flex: 0 0 auto; }
.wi-hud-item--timer { flex: 0 0 auto; }
.wi-hud-item--count { flex: 0 0 auto; align-items: flex-end; }

.wi-hud-label {
  font-size: 11px;
  color: var(--text-muted, #6b7280);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

html[data-theme="dark"] .wi-hud-label { color: rgba(255,255,255,0.5); }

.wi-hud-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary, #1f2937);
}

html[data-theme="dark"] .wi-hud-value { color: #fff; }

.wi-type-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(124, 58, 237, 0.15);
  color: var(--wi-accent);
  font-size: 11px;
  font-weight: 600;
  border-radius: 20px;
}

html[data-theme="dark"] .wi-type-badge {
  background: rgba(167, 139, 250, 0.2);
  color: var(--wi-accent-light);
}

/* Timer */
.wi-timer-ring-wrap {
  position: relative;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wi-timer-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.wi-timer-ring-bg {
  fill: none;
  stroke: rgba(124, 58, 237, 0.15);
  stroke-width: 4;
}

.wi-timer-ring-fg {
  fill: none;
  stroke: var(--wi-accent);
  stroke-width: 4;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s linear, stroke 0.3s;
}

.wi-timer-ring-fg.wi-timer-ring--warning {
  stroke: var(--wi-warning);
}

.wi-timer-value {
  position: relative;
  font-size: 13px;
  font-weight: 700;
  color: var(--wi-accent);
  font-variant-numeric: tabular-nums;
  z-index: 1;
}

.wi-timer-value.wi-timer--warning {
  color: var(--wi-warning);
  animation: wi-pulse 1s ease-in-out infinite;
}

@keyframes wi-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ---- Question Card ---- */
.wi-question-card {
  padding: 24px 28px;
  background: var(--wi-bg-card);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 14px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.wi-question-type {
  font-size: 12px;
  font-weight: 600;
  color: var(--wi-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

html[data-theme="dark"] .wi-question-type { color: var(--wi-accent-light); }

.wi-question-text {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--text-primary, #1f2937);
}

html[data-theme="dark"] .wi-question-text { color: #fff; }

/* ---- Ideas Area ---- */
.wi-ideas-area {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.wi-ideas-col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: var(--wi-bg-card);
  border: 1px solid rgba(124, 58, 237, 0.15);
  border-radius: 12px;
  backdrop-filter: blur(8px);
}

.wi-ideas-col--pros { border-top: 3px solid var(--wi-pros); }
.wi-ideas-col--cons { border-top: 3px solid var(--wi-cons); }

.wi-ideas-col-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.wi-ideas-col-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}

.wi-ideas-col--pros .wi-ideas-col-icon { background: var(--wi-pros); }
.wi-ideas-col--cons .wi-ideas-col-icon { background: var(--wi-cons); }

.wi-ideas-col-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary, #1f2937);
}

html[data-theme="dark"] .wi-ideas-col-title { color: #fff; }

.wi-ideas-col-count {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted, #6b7280);
  background: rgba(124, 58, 237, 0.1);
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 24px;
  text-align: center;
}

html[data-theme="dark"] .wi-ideas-col-count {
  background: rgba(167, 139, 250, 0.15);
  color: rgba(255,255,255,0.7);
}

.wi-ideas-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wi-idea-input-row {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  animation: wi-fade-in 0.2s ease;
}

@keyframes wi-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.wi-idea-number {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted, #9ca3af);
  padding-top: 8px;
  min-width: 18px;
}

html[data-theme="dark"] .wi-idea-number { color: rgba(255,255,255,0.4); }

.wi-idea-input {
  flex: 1;
  min-width: 0;
  padding: 7px 10px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-primary, #1f2937);
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-default, #e5e7eb);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

html[data-theme="dark"] .wi-idea-input {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
  color: #fff;
}

.wi-idea-input:focus {
  border-color: var(--wi-accent);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.wi-idea-delete {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted, #9ca3af);
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  padding: 0;
  opacity: 0.6;
  transition: opacity 0.2s, color 0.2s, background 0.2s;
}

.wi-idea-delete:hover {
  opacity: 1;
  color: var(--wi-cons);
  background: rgba(244, 63, 94, 0.1);
}

html[data-theme="dark"] .wi-idea-delete { color: rgba(255,255,255,0.4); }

.wi-add-btn {
  margin-top: 4px;
  padding: 8px 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--wi-accent);
  background: rgba(124, 58, 237, 0.08);
  border: 1px dashed rgba(124, 58, 237, 0.3);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, border-color 0.2s;
}

html[data-theme="dark"] .wi-add-btn {
  color: var(--wi-accent-light);
  background: rgba(167, 139, 250, 0.1);
  border-color: rgba(167, 139, 250, 0.3);
}

.wi-add-btn:hover {
  background: rgba(124, 58, 237, 0.15);
  border-color: var(--wi-accent);
}

html[data-theme="dark"] .wi-add-btn:hover {
  background: rgba(167, 139, 250, 0.2);
  border-color: var(--wi-accent-light);
}

/* ---- Actions ---- */
.wi-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 8px;
}

/* ---- End Page Stats ---- */
.wi-end-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.wi-stat-card {
  padding: 16px 12px;
  background: var(--wi-bg-card);
  border: 1px solid rgba(124, 58, 237, 0.15);
  border-radius: 12px;
  text-align: center;
  backdrop-filter: blur(8px);
}

.wi-stat-card--accent {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-color: rgba(124, 58, 237, 0.3);
}

.wi-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary, #1f2937);
  line-height: 1.1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}

html[data-theme="dark"] .wi-stat-value { color: #fff; }

.wi-stat-card--accent .wi-stat-value { color: var(--wi-accent); }
html[data-theme="dark"] .wi-stat-card--accent .wi-stat-value { color: var(--wi-accent-light); }

.wi-stat-label {
  font-size: 12px;
  color: var(--text-muted, #6b7280);
  font-weight: 500;
}

html[data-theme="dark"] .wi-stat-label { color: rgba(255,255,255,0.6); }

.wi-end-question {
  margin-bottom: 24px;
}

/* ---- Reference Area ---- */
.wi-reference-area {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
}

.wi-reference-col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  background: var(--wi-bg-card);
  border: 1px solid rgba(124, 58, 237, 0.15);
  border-radius: 12px;
  backdrop-filter: blur(8px);
}

.wi-reference-col:first-child { border-left: 4px solid var(--wi-pros); }
.wi-reference-col:last-child { border-left: 4px solid var(--wi-cons); }

.wi-reference-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary, #1f2937);
}

html[data-theme="dark"] .wi-reference-header { color: #fff; }

.wi-ref-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.wi-reference-col:first-child .wi-ref-icon { background: var(--wi-pros); }
.wi-reference-col:last-child .wi-ref-icon { background: var(--wi-cons); }

.wi-ref-count {
  margin-left: auto;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted, #6b7280);
  background: rgba(124, 58, 237, 0.1);
  padding: 2px 8px;
  border-radius: 10px;
}

html[data-theme="dark"] .wi-ref-count {
  background: rgba(167, 139, 250, 0.15);
  color: rgba(255,255,255,0.6);
}

.wi-reference-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wi-ref-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(124, 58, 237, 0.04);
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary, #4b5563);
  transition: all 0.3s ease;
}

html[data-theme="dark"] .wi-ref-item {
  background: rgba(255,255,255,0.03);
  color: rgba(255,255,255,0.75);
}

.wi-ref-item--matched {
  background: rgba(16, 185, 129, 0.1);
  border-left: 3px solid var(--wi-pros);
  padding-left: 8px;
}

html[data-theme="dark"] .wi-ref-item--matched {
  background: rgba(16, 185, 129, 0.12);
}

.wi-ref-number {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 58, 237, 0.15);
  color: var(--wi-accent);
  font-size: 11px;
  font-weight: 700;
  border-radius: 50%;
  margin-top: 1px;
}

.wi-ref-item--matched .wi-ref-number {
  background: var(--wi-pros);
  color: #fff;
}

.wi-ref-text {
  flex: 1;
  min-width: 0;
}

.wi-ref-badge {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 700;
  color: var(--wi-pros);
  background: rgba(16, 185, 129, 0.15);
  padding: 2px 6px;
  border-radius: 10px;
  margin-top: 1px;
}

/* ---- User Ideas (end page) ---- */
.wi-user-ideas-section {
  padding: 18px;
  background: var(--wi-bg-card);
  border: 1px solid rgba(124, 58, 237, 0.15);
  border-radius: 12px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.wi-user-ideas-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary, #1f2937);
  margin-bottom: 12px;
}

html[data-theme="dark"] .wi-user-ideas-title { color: #fff; }

.wi-user-ideas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.wi-user-ideas-subtitle {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted, #6b7280);
  margin-bottom: 6px;
}

html[data-theme="dark"] .wi-user-ideas-subtitle { color: rgba(255,255,255,0.6); }

.wi-user-ideas-list {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary, #4b5563);
}

html[data-theme="dark"] .wi-user-ideas-list { color: rgba(255,255,255,0.75); }

.wi-user-ideas-list li {
  margin-bottom: 4px;
  padding: 3px 6px;
  border-radius: 4px;
  transition: background 0.3s;
}

.wi-user-idea--matched {
  background: rgba(16, 185, 129, 0.12);
  color: var(--wi-pros) !important;
  font-weight: 500;
}

/* ---- End Actions ---- */
.wi-end-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.wi-end-actions .vocab-game__btn {
  min-width: 160px;
  justify-content: center;
}

.wi-guide-link {
  text-align: center;
  font-size: 13px;
}

.wi-guide-link a {
  color: var(--wi-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

html[data-theme="dark"] .wi-guide-link a { color: var(--wi-accent-light); }

.wi-guide-link a:hover {
  text-decoration: underline;
}

/* ---- 第X次挑战提示 ---- */
.wi-end-attempt {
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted, #6b7280);
  margin: -8px 0 16px 0;
  opacity: 0.85;
}

html[data-theme="dark"] .wi-end-attempt {
  color: rgba(255,255,255,0.6);
}

/* ---- Responsive ---- */
@media (max-width: 800px) {
  .wi-end-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .wi-stat-value {
    font-size: 24px;
  }
}

@media (max-width: 640px) {
  .wi-hud {
    flex-wrap: wrap;
    gap: 8px;
  }

  .wi-hud-item--topic { order: 1; flex-basis: 100%; }
  .wi-hud-item--type { order: 2; }
  .wi-hud-item--timer { order: 3; margin-left: auto; }
  .wi-hud-item--count { order: 4; flex-basis: 100%; align-items: flex-start; }

  .wi-ideas-area {
    flex-direction: column;
    gap: 12px;
  }

  .wi-ideas-col {
    width: 100%;
  }

  .wi-reference-area {
    flex-direction: column;
    gap: 12px;
  }

  .wi-question-card {
    padding: 18px 20px;
  }

  .wi-question-text {
    font-size: 15px;
  }

  .wi-user-ideas-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .wi-end-actions .vocab-game__btn {
    min-width: 140px;
    font-size: 13px;
  }
}

@media (max-width: 400px) {
  .wi-end-stats {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .wi-stat-card {
    padding: 12px 8px;
  }

  .wi-stat-value {
    font-size: 20px;
  }
}