:root {
  --primary: #2c3e50;
  --accent: #3498db;
  --border: #e2e8f0;
  --bg-empty: #f8fafc;
  --mvg-bg: linear-gradient(135deg, #cee0f1 0%, #96bee6 100%);
  --mvg-border: #dce73c;
}

html,
body {
  height: 100%;
  margin: 0;
  font-family: "Inter", sans-serif;
  background: #f1f5f9;
  /* Masaüstünde taşmayı engeller */
  overflow: hidden;
}

.container {
  height: 100vh;
  padding: 10px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.table-wrapper {
  flex: 1;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  /* Mobilde yatay kaydırma, masaüstünde tam sığdırma sağlar */
  overflow: auto;
}

table {
  width: 100%;
  height: 100%;
  border-collapse: collapse;
  /* Genişliği sütunlara eşit paylaştırır */
  table-layout: fixed;
  min-width: 800px; /* Mobilde tablonun büzülmesini engeller */
}

th {
  background: var(--primary);
  color: white;
  font-size: 0.9rem;
  padding: 10px 5px;
  position: sticky;
  top: 0;
  z-index: 10;
}

td {
  border: 1px solid var(--border);
  padding: 2px;
  text-align: center;
  vertical-align: stretch;
}

.saat-kolonu {
  width: 85px;
  background: #fdfdfd;
  font-weight: bold;
  color: var(--primary);
  font-size: 0.85rem;
}

.empty-cell {
  background-color: var(--bg-empty);
  opacity: 0.4;
}

/* Ders Kartı Ayarları */
.ders-item {
  height: 100%;
  background: linear-gradient(to bottom right, #ffffff, #f0f7ff);
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  padding: 6px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
}

.ders-name {
  font-weight: 700;
  color: #1e40af;
  /* VW yerine clamp kullanarak fontu sınırlıyoruz: min 12px, ideal %1 genişlik, max 16px */
  font-size: clamp(12px, 0.9vw, 16px);
  line-height: 1.2;
  margin-bottom: 3px;
}

.ders-info {
  font-size: clamp(10px, 0.75vw, 13px);
  color: #64748b;
  line-height: 1.2;
}

.time-badge {
  display: inline-block;
  background: #dbeafe;
  color: #1e40af;
  padding: 2px 5px;
  border-radius: 3px;
  margin-top: 4px;
  font-weight: 600;
  font-size: clamp(9px, 0.65vw, 11px);
}

/* Mustafa Volkan Güngör (MVG) Özel Ders Stili */
.ders-item.ozel-ders {
  background: var(--mvg-bg);
  border-left: 5px solid var(--mvg-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Responsive Düzenlemeler */
@media (max-width: 768px) {
  html,
  body {
    overflow: auto; /* Mobilde sayfa kaydırılabilsin */
  }
  .container {
    height: auto; /* Mobilde dikeyde sınırlama */
  }
  .table-wrapper {
    overflow-x: scroll; /* Mobilde tabloyu sağa kaydır */
  }
  table {
    height: 600px; /* Mobilde minimum dikey yükseklik */
  }
}