/* ==========================================================================
   1. RESET & GENEL AYARLAR
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  min-height: 100vh;
  font-family: 'Segoe UI', sans-serif;
  color: #fff;
  overflow-x: hidden;
  padding-bottom: 30px;
}

/* ==========================================================================
   2. ÜST BİLGİ ALANLARI (BAŞLIK, SKOR & BÖLÜM)
   ========================================================================== */
h1 {
  text-align: center;
  font-size: 24px;
  padding: 12px;
  color: #ffd700;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
  letter-spacing: 2px;
}

.level-indicator {
  text-align: center;
  font-size: 13px;
  color: #87ceeb;
  margin-bottom: 4px;
}

.score-bar {
  text-align: center;
  font-size: 13px;
  color: #ffd700;
  margin-bottom: 4px;
}

.moves-left {
  color: #87ceeb;
}

/* ==========================================================================
   3. KONTROLLER & BUTONLAR
   ========================================================================== */
.controls {
  text-align: center;
  margin: 8px 0 4px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 7px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn.primary {
  background: rgba(255, 215, 0, 0.2);
  border-color: #ffd700;
  color: #ffd700;
}

/* ==========================================================================
   4. KARGA (MASKOT) & KONUŞMA BALONU
   ========================================================================== */
.crow-container {
  text-align: center;
  position: relative;
  height: 72px;
  width: 200px;
  margin: 6px auto 4px;
}

.crow-svg {
  transition: transform 0.3s;
}

.crow-svg.happy {
  animation: crowBob 0.5s ease infinite alternate;
}

@keyframes crowBob {
  from { transform: translateY(0); }
  to   { transform: translateY(-6px); }
}

.speech-bubble {
  position: absolute;
  top: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.12);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 14px;
  padding: 5px 10px;
  font-size: 12px;
  color: #fff;
  white-space: nowrap;
  backdrop-filter: blur(4px);
}

/* ==========================================================================
   5. OYUN ALANI & TÜPLER
   ========================================================================== */
.game-area {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-end;
  gap: 14px;
  padding: 10px 12px 0;
  max-width: 900px;
  margin: 0 auto;
}

.tube-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
}

.tube-label {
  font-size: 11px;
  color: #ccc;
  text-align: center;
  height: 14px;
}

.tube-cap {
  width: 54px;
  height: 9px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 6px 6px 0 0;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-bottom: none;
}

.tube-outer {
  width: 48px;
  height: 180px;
  border: 3px solid rgba(255, 255, 255, 0.25);
  border-top: none;
  border-radius: 0 0 26px 26px;
  background: rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.15s;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.tube-outer:hover {
  border-color: rgba(255, 255, 255, 0.55);
  transform: translateY(-4px);
}

.tube-outer.selected {
  border-color: #ffd700;
  transform: translateY(-10px);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
}

/* ==========================================================================
   6. EFEKTLER & EKRAN ÜSTÜ BİLDİRİMLER (OVERLAYS)
   ========================================================================== */
.hint-glow {
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.6);
}

.win-overlay, 
.lose-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 100;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.win-overlay.show, 
.lose-overlay.show {
  display: flex;
}

.overlay-box {
  background: #1a1a2e;
  border: 2px solid #ffd700;
  border-radius: 20px;
  padding: 28px 40px;
  text-align: center;
  box-shadow: 0 0 40px rgba(255, 215, 0, 0.3);
}

.overlay-box h2 {
  font-size: 28px;
  color: #ffd700;
  margin-bottom: 8px;
}

.overlay-box p {
  color: #ccc;
  margin-bottom: 16px;
  font-size: 14px;
}

.stars {
  font-size: 32px;
  letter-spacing: 6px;
  margin-bottom: 6px;
}

/* ==========================================================================
   7. YENİ: TÜP SALLANMA ANİMASYONLARI
   ========================================================================== */

/* Sallanma efektini tetikleyecek CSS sınıfı */
.tube-outer.shake {
  animation: tubeShake 0.4s ease-in-out;
}

/* Sağa sola sallanma animasyonu */
@keyframes tubeShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px) rotate(-3deg); }
  40%, 80% { transform: translateX(6px) rotate(3deg); }
}