/* ==========================================================================
   CHILD PATHSHALA 4WORDS COMPOUND STUDIO ENGINE CSS
   4-Quadrant Compound Word Synthesis & Puzzle Studio
   ========================================================================== */

:root {
  --fw-bg: #0b1120;
  --fw-card-bg: rgba(15, 23, 42, 0.9);
  --fw-border: rgba(148, 163, 184, 0.2);
  --fw-teal: #14b8a6;
  --fw-cyan: #06b6d4;
  --fw-amber: #f59e0b;
  --fw-purple: #a855f7;
  --fw-rose: #f43f5e;
}

.fw-wrapper {
  position: relative;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  min-height: 600px;
  background: radial-gradient(circle at 50% 10%, #042f2e 0%, #0b1120 80%);
  border: 1px solid var(--fw-border);
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.75), 0 0 50px rgba(20, 184, 166, 0.18);
  color: #f8fafc;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  overflow: hidden;
  box-sizing: border-box;
}

/* Studio HUD Header */
.fw-hud-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--fw-border);
}

.fw-quad-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(20, 184, 166, 0.15);
  border: 1px solid rgba(20, 184, 166, 0.4);
  border-radius: 9999px;
  color: #2dd4bf;
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.fw-hud-stats {
  display: flex;
  gap: 10px;
}

.fw-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--fw-border);
  border-radius: 14px;
  font-size: 0.95rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

/* Prompt Banner */
.fw-prompt-banner {
  background: linear-gradient(135deg, rgba(19, 78, 74, 0.7) 0%, rgba(15, 23, 42, 0.9) 100%);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-left: 6px solid var(--fw-teal);
  border-radius: 18px;
  padding: 16px 24px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.fw-prompt-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.fw-prompt-sub {
  font-size: 0.92rem;
  color: #cbd5e1;
}

/* 4-Quadrant Board Grid */
.fw-quad-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

@media (max-width: 680px) {
  .fw-quad-grid {
    grid-template-columns: 1fr;
  }
}

.fw-quad-card {
  background: rgba(15, 23, 42, 0.85);
  border: 2px solid var(--fw-border);
  border-radius: 20px;
  padding: 18px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

.fw-quad-card.selected {
  border-color: var(--fw-teal);
  box-shadow: 0 0 25px rgba(20, 184, 166, 0.35);
  transform: translateY(-2px);
}

.fw-quad-card.completed {
  border-color: #10b981 !important;
  background: rgba(16, 185, 129, 0.12) !important;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.25) !important;
}

.fw-quad-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.fw-quad-tag {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

.fw-quad-icon {
  font-size: 1.6rem;
}

/* Word Equation Display */
.fw-equation-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 12px 0;
  flex-wrap: wrap;
}

.fw-dock-slot {
  min-width: 90px;
  height: 48px;
  background: rgba(30, 41, 59, 0.8);
  border: 2px dashed rgba(148, 163, 184, 0.4);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  color: #38bdf8;
  padding: 0 12px;
  transition: all 0.2s;
}

.fw-dock-slot.filled {
  border-style: solid;
  border-color: var(--fw-teal);
  background: rgba(20, 184, 166, 0.18);
  color: #fff;
}

.fw-equation-sign {
  font-size: 1.4rem;
  font-weight: 900;
  color: #94a3b8;
}

.fw-quad-hint {
  font-size: 0.86rem;
  color: #cbd5e1;
  text-align: center;
  line-height: 1.4;
  margin-top: 8px;
  min-height: 38px;
}

/* Tile Selection Pool */
.fw-pool-section {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--fw-border);
  border-radius: 20px;
  padding: 20px;
  margin-bottom: 24px;
  text-align: center;
}

.fw-pool-label {
  font-size: 0.85rem;
  font-weight: 800;
  color: #94a3b8;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.fw-pool-grid {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.fw-word-chip {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 2px solid rgba(148, 163, 184, 0.3);
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.fw-word-chip:hover {
  border-color: var(--fw-teal);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(20, 184, 166, 0.35);
  color: var(--fw-teal);
}

.fw-word-chip.used {
  opacity: 0.25;
  pointer-events: none;
  transform: scale(0.95);
}

/* Action Controls */
.fw-actions-bar {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.fw-btn {
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
}

.fw-btn-primary {
  background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
  color: #042f2e;
  box-shadow: 0 8px 20px rgba(20, 184, 166, 0.4);
}
.fw-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(20, 184, 166, 0.6);
}

.fw-btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--fw-border);
  color: #cbd5e1;
}
.fw-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

/* Victory Overlay */
.fw-victory-box {
  text-align: center;
  padding: 44px 20px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(4, 47, 46, 0.95) 100%);
  border: 2px solid var(--fw-teal);
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 50px rgba(20, 184, 166, 0.35);
  animation: fw-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes fw-pop {
  0% { transform: scale(0.85); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}