@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

body {
  font-family: var(--font-sans);
  background-color: #080c14;
  color: #f1f5f9;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Özel kaydırma çubuğu */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #090d16;
}

::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Dialog Backdrop Modern Stili */
dialog {
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  max-width: 95vw;
}

dialog::backdrop {
  background: rgba(4, 7, 15, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Glassmorphism Efektleri */
.glass-panel {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(51, 65, 85, 0.5);
}

.glass-card {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(51, 65, 85, 0.4);
}

/* Nefes Egzersizi Çemberi */
#breathing-circle-visual {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 4px solid #6366f1;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, rgba(99, 102, 241, 0.05) 70%, transparent 100%);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.25);
  transition: transform 3s ease-in-out, border-color 0.5s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Zamanlayıcı Dairesel İlerleme */
.timer-svg-circle {
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}

.timer-progress-bar {
  stroke-dasharray: 753.98; /* 2 * PI * 120 */
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
}

/* Işıma ve Vurgu Animasyonları */
@keyframes softPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.animate-soft-pulse {
  animation: softPulse 3s infinite ease-in-out;
}