body {
  font-family: 'Noto Sans', Arial, sans-serif;
  text-align: center;
  background: #eef;
  overflow-x: hidden;
  margin: 0;
}

h1 {
  margin-top: 20px;
}

/* ÜST ALAN */
.container {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 20px auto;
  flex-wrap: wrap;
  max-width: 900px;
  padding: 0 10px;
  box-sizing: border-box;
}

textarea {
  width: 45%;
  max-width: 430px;
  height: 120px;
  font-size: 20px;
  padding: 10px;
  box-sizing: border-box;
  font-family: 'Noto Sans', Arial, sans-serif;
}

/* KLAVYE GENEL */
.keyboard {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin: 30px auto;
  width: 100%;
  max-width: 600px;
  box-sizing: border-box;
}

/* SATIR */
.row {
  display: flex;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 0 4px;
  box-sizing: border-box;
  flex-wrap: nowrap;
  overflow: hidden;
}

/* TUŞ TEMEL */
.key {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 38px;
  max-width: 55px;
  min-width: 30px;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #7bb;
  cursor: pointer;
  font-size: 20px;
  border-radius: 6px;
  user-select: none;
  font-family: 'Noto Sans', Arial, sans-serif;
  box-sizing: border-box;
}

.key:active {
  background: #599;
}

/* GENİŞ TUŞ (Shift, Delete...) */
.key.wide {
  flex-grow: 2;
  flex-basis: calc(38px * 2 + 6px);
  max-width: 125px;
}

/* SPACE TUŞU */
.key.extra-wide {
  flex-grow: 8;
  flex-basis: calc(38px * 8 + 6px * 7);
  max-width: 460px;
}

/* 📱 Mobil Optimizasyon */
@media (max-width: 768px) {

  .container {
    flex-direction: column;
    align-items: center;
    margin-bottom: 230px;
    max-width: 100%;
    padding: 0 15px;
  }

  .keyboard {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 100%;
    background: #eef;
    padding: 10px 10px;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.25);
    z-index: 1000;
  }

  .row {
    gap: 4px;
    padding: 0 6px;
  }

  .key {
    flex-basis: 30px;
    max-width: 40px;
    min-width: 24px;
    height: 42px; /* yükseklik azaldı */
    font-size: 17px;
  }

  .key.wide {
    flex-basis: calc(30px * 2 + 4px);
    max-width: 95px;
  }

  .key.extra-wide {
    flex-basis: calc(30px * 8 + 4px * 7);
    max-width: 330px;
  }
}