/* Noktaları Birleştir – grid puzzle */

.number-link-page {
  font-family: 'Poppins', sans-serif;
  background: var(--bg-dark, #0a0a0f);
  color: var(--text-primary, #fff);
  min-height: 100vh;
  padding-bottom: 2rem;
}

.nl-header {
  text-align: center;
  padding: 1.5rem 1rem 1rem;
}

.nl-back {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary, #b0b0b8);
  text-decoration: none;
}

.nl-back:hover { color: var(--text-primary); }

.nl-title {
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.nl-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.nl-main {
  max-width: 420px;
  margin: 0 auto;
  padding: 0 1rem;
}

.nl-game-wrap {
  background: rgba(255,255,255,0.04);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.08);
}

.nl-grid-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.nl-grid {
  display: grid;
  gap: 0;
  background: #1a1a24;
  border-radius: 12px;
  padding: 8px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
}

.nl-cell {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  position: relative;
  border-radius: 6px;
  transition: background 0.15s, transform 0.1s;
}

.nl-cell:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

.nl-cell:hover:not(.nl-cell-blocked):not(.nl-cell-path) {
  background: rgba(102, 126, 234, 0.2);
}

.nl-cell-blocked {
  background: #2a2a35;
  cursor: default;
  border-radius: 4px;
}

.nl-cell-blocked::after {
  content: '';
  position: absolute;
  inset: 20%;
  background: #444;
  border-radius: 2px;
}

.nl-cell-path {
  background: rgba(67, 233, 123, 0.25);
  cursor: pointer;
}

.nl-cell-path.nl-cell-current {
  background: rgba(67, 233, 123, 0.5);
  box-shadow: 0 0 0 2px #43e97b;
}

.nl-cell-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #2a2a35;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.nl-cell-number.nl-cell-number-current {
  background: #43e97b;
  color: #0a0a0f;
  box-shadow: 0 0 0 2px #43e97b;
}

.nl-cell-path .nl-cell-number { background: #2d5a3a; color: #43e97b; }
.nl-cell-path.nl-cell-current .nl-cell-number { background: #43e97b; color: #0a0a0f; }

.nl-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.nl-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, background 0.2s;
}

.nl-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.nl-btn-undo {
  background: #2a2a35;
  color: #b0b0b8;
}

.nl-btn-undo:not(:disabled):hover { background: #3a3a48; }

.nl-btn-hint {
  background: #fff;
  color: #1a1a24;
  border: 2px solid #444;
}

.nl-btn-hint:hover:not(:disabled) { background: #e8e8f0; }

.nl-how-to {
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.nl-how-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.nl-how-items {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nl-how-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nl-how-icon {
  flex-shrink: 0;
}

.nl-how-icon-connect {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nl-how-icon-connect .nl-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}

.nl-dot-1 { background: #43e97b; color: #0a0a0f; }
.nl-dot-2 { background: #2a2a35; color: #fff; }
.nl-dot-3 { background: #667eea; color: #fff; }

.nl-how-icon-fill svg {
  width: 28px;
  height: 28px;
  stroke: #43e97b;
}

.nl-how-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Win overlay */
.nl-win {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.nl-win.is-visible {
  opacity: 1;
  visibility: visible;
}

.nl-win-box {
  background: #1a1a24;
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  max-width: 320px;
  border: 1px solid rgba(67, 233, 123, 0.3);
}

.nl-win-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: #43e97b;
}

.nl-win-msg {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.nl-win-btn {
  padding: 0.65rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  background: #43e97b;
  color: #0a0a0f;
  border: none;
  cursor: pointer;
}

.nl-win-btn:hover { filter: brightness(1.1); }

/* Hint pulse */
.nl-cell-hint {
  animation: nl-pulse 0.8s ease-in-out 2;
}

@keyframes nl-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(102, 126, 234, 0); }
}