@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Teal-Green Gradient and Accents */
  --color-primary: #0d9488; /* Teal 600 */
  --color-primary-hover: #0f766e; /* Teal 700 */
  --color-primary-soft: rgba(13, 148, 136, 0.1);
  --color-bg-gradient: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
  
  /* Glassmorphism Surface */
  --color-surface: rgba(255, 255, 255, 0.65);
  --color-surface-hover: rgba(255, 255, 255, 0.85);
  --backdrop-blur: blur(16px);
  
  /* Dark Blue Headings */
  --color-heading: #1e3a8a; /* Blue 900 */
  --color-text: #334155; 
  --color-muted: #64748b;
  --color-border: rgba(203, 213, 225, 0.6);
  
  /* Rounded Corners */
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-pill: 9999px; /* Tam yuvarlak hatlar için */
  
  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(30, 58, 138, 0.05);
  --shadow-card: 0 16px 48px rgba(30, 58, 138, 0.08);
  --shadow-focus: 0 0 0 4px rgba(13, 148, 136, 0.3);
  
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --space-sm: 12px;
  --space-md: 20px;
  --space-lg: 32px;
  --space-xl: 48px;
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--color-bg-gradient);
  background-attachment: fixed;
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-xl);
}

/* Header */
.site-header {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
  text-align: center;
}
.brand-mark {
  display: inline-block;
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, #0d9488 0%, #0369a1 100%);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.4);
  margin-bottom: 12px;
}
.site-title {
  margin: 0;
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-heading);
}
.site-tagline {
  margin: 0;
  font-size: 1.1rem;
  color: var(--color-muted);
  font-weight: 500;
}

/* Glassmorphism Panels */
.panel, .result-card {
  background: var(--color-surface);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-xl);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.panel:hover, .result-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 50px rgba(30, 58, 138, 0.12);
}

.panel__title, .result-card__title {
  margin: 0 0 var(--space-md);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.02em;
}

/* Inputs */
.input-textarea {
  width: 100%;
  padding: 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.5);
  resize: vertical;
  min-height: 150px;
  transition: all 0.2s ease;
}
.input-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
  background: #fff;
}

/* Buttons */
.btn--primary {
  background: linear-gradient(135deg, #0d9488 0%, #10b981 100%);
  color: #fff;
  padding: 14px 28px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.3);
  transition: all 0.3s ease;
}
.btn--primary:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 25px rgba(13, 148, 136, 0.4);
}

/* Quiz UI - TAM İSTEDİĞİN MODERN GÖRÜNÜM */
.quiz-item {
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
}
.quiz-item__q {
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-heading);
  font-size: 1.1rem;
}

.quiz-options {
  display: grid;
  gap: 12px;
}

/* Şık Butonu - Beyaz ve Yuvarlak */
.quiz-option-btn {
  width: 100%;
  text-align: left;
  padding: 16px 24px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-pill); /* Tam yuvarlak hatlar */
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quiz-option-btn:hover:not(:disabled) {
  background: #f8fafc;
  border-color: #cbd5e1;
}

/* Doğru Cevap - Yeşil Border & İkon */
.quiz-option-btn.correct {
  background: rgba(16, 185, 129, 0.05) !important;
  border: 2px solid #10b981 !important;
  color: #065f46 !important;
  font-weight: 600;
}

/* Yanlış Cevap - Kırmızı Border & İkon */
.quiz-option-btn.wrong {
  background: rgba(239, 68, 68, 0.05) !important;
  border: 2px solid #ef4444 !important;
  color: #991b1b !important;
  font-weight: 600;
}

/* Genel Skor - Teal Blok */
.score-card {
  margin-top: var(--space-xl);
  background: #0d9488; /* Koyu yeşil / Teal */
  padding: 25px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 10px 30px rgba(13, 148, 136, 0.3);
}
.score-title {
  color: #ffffff;
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Groq Footer */
.groq-footer {
  text-align: center;
  padding: 20px;
}
.groq-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(13, 148, 136, 0.2);
  background: rgba(255, 255, 255, 0.4);
}

/* Spinner */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hidden { display: none !important; }

@media (min-width: 768px) {
  .results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
  .result-card--quiz { grid-column: 1 / -1; }
}