/* =========================
   VANDALENNAARPIKEN
   RENK PALETİ
   ========================= */

:root {
    /* Maviler */
    --mavi: #034683;
    --mavi-2: #064E8F;

    /* Beyaz */
    --beyaz: #ffffff;

    /* Kırmızılar */
    --kirmizi: #AA1E24;
    --kirmizi-2: #EB6C28;

    --yesil : #399B2F;
    --siyah : #000000;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
#app {

    padding: 10px;
    font-family: sans-serif;
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
    background-color: var(--beyaz);
    min-height: 100vh;
    
}
img.logo    {
    width:250px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--mavi);
    border-radius: 10px;
    margin-bottom: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 6px;
}

.alert {
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.alert-danger {
    background-color: var(--kirmizi);
    color: var(--beyaz);
}
.alert-success {
    background-color: var(--yesil);
    color: var(--beyaz);
}
.header ul {
    text-align: center;
    margin-bottom: 10px;
}
.header ul li {
    display: inline-block;
}
.header ul li a {
    text-decoration: none;
    color: var(--beyaz);
    display: inline-block;
    font-weight: bold;
    background-color: var(--kirmizi);
    padding: 10px 20px;
    border-radius: 10px;
    margin-right: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.header ul li a:hover {
    background-color: var(--kirmizi-2);
}

.dersadi {
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    
}

p.icerik {
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    font-size: 17px;
}

.login-container {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 20px  ;
}

.login-box {
  background: #fff;
  padding: 40px;
  width: 320px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  text-align: center;
}

.login-box h2 {
  margin-bottom: 10px;
  color: var(--siyah);
}

.login-box p {
  margin-bottom: 30px;
  color: #272727;
}

.input-group {
 
  margin-bottom: 25px;
}

.input-group input {
  width: 100%;
  padding: 10px;
  border: none;
  border-bottom: 2px solid #ccc;
  outline: none;
  font-size: 16px;
}

.input-group label {
  text-align: left !important;
  color: #aaa;
  transition: 0.3s;
}



button {
  width: 100%;
  padding: 12px;
  border: none;
  background: var(--mavi-2);
  color: white;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: var(--mavi);
}

.extra {
  margin-top: 15px;
}

.extra a {
  text-decoration: none;
  color: var(--mavi-2);
  font-size: 14px;
}

.userinfo {
   
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    font-size: 17px;
        width: 250px;
    margin: 10px auto;
    display: flex;
    justify-content: space-between;
}

.alphabet-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
 
  margin: 20px auto;
}

.cell {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  background: #f9f9f9;
  font-family: Arial, sans-serif;
}

.cell strong {
  font-size: 20px;
  color: #333;
}

.cell:hover {
  background: #e6f2ff;
}

.sound-box {
  background: #ffffff;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.sound-box h2 {
  margin-bottom: 10px;
  color: #2c3e50;
}

.sound-box p {
  margin-bottom: 10px;
  color: #555;
}

audio {
  width: 100%;
  margin-top: 10px;
}

.vowel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 sütunlu grid */
  gap: 15px;
  max-width: 600px;
  margin: 30px auto;
  font-family: Arial, sans-serif;
}

.box {
  background: #ffffff;
  border-radius: 10px;
  padding: 15px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: 0.3s;
}

.box:hover {
  transform: translateY(-5px);
  background: #f0f8ff;
}

.box b {
  font-size: 20px;
  color: #2c3e50;
}

.box small {
  color: #888;
}
.sound {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  max-width: 768px;
  margin: 30px auto;
  font-family: Arial, sans-serif;
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 768px;
  margin: 30px auto;
  font-family: Arial, sans-serif;
}

.card {
  background: #ffffff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  background: #f7fbff;
}

.card h2 {
  margin-bottom: 15px;
  color: #2c3e50;
}

.card p {
  margin: 8px 0;
  font-size: 16px;
}

@media screen and (max-width: 768px) {
  .lesson-grid {
    grid-template-columns: 1fr;
  }
    
}