@font-face {
    font-family: 'OpenDyslexic';
    src: url('fonts/OpenDyslexicMono-Regular.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
}

:root {
    /* Disleksi Dostu Renk Paleti */
    --primary-color: #3a5f8a;         /* Ana mavi */
    --primary-light: #5d7fa3;         /* Açık mavi */
    --primary-dark: #2c4a6b;          /* Koyu mavi */
    
    --accent-color: #4a8c7a;          /* Ana yeşil */
    --accent-light: #6ba895;          /* Açık yeşil */
    --accent-dark: #3a6d5e;           /* Koyu yeşil */
    
    --neutral-light: #f7fafc;         /* Açık arkaplan */
    --neutral-mid: #e2e8f0;           /* Orta ton */
    --neutral-dark: #2d3748;          /* Koyu arkaplan */
    
    --text-primary: #2d3748;          /* Ana metin */
    --text-secondary: #4a5568;        /* İkincil metin */
    --text-light: #ffffff;            /* Açık metin */
    
    --border-color: #cbd5e0;          /* Kenarlık rengi */
    --hover-color: rgba(74, 140, 122, 0.1); /* Hover efekti */
    
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Temel Sayfa Stilleri */
body {
    font-family: 'OpenDyslexic', Arial, sans-serif;
    line-height: 1.8;
    margin: 0;
    padding: 0;
    background-color: var(--neutral-light);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Üst Bar Stilleri */
.top-bar {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: var(--text-light);
    padding: 1.5rem;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: var(--box-shadow);
}

/* Menü Stilleri */
.top-nav {
    background-color: var(--primary-dark);
    padding: 0.75rem 0;
}

.top-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.top-nav ul li a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem;
    transition: all 0.3s ease;
    border-radius: var(--border-radius);
}

.top-nav ul li a:hover {
    background-color: var(--hover-color);
}

/* Giriş Formu Stilleri */
.girisyap {
    max-width: 450px;
    width: 90%;
    margin: 3rem auto;
    padding: 2.5rem;
    background-color: var(--text-light);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    flex: 1;
    border: 1px solid var(--border-color);
}

.girisyap h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    letter-spacing: 0.5px;
}

.form-group {
    text-align: left;
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.form-group input {
    width: 92%;
    padding: 0.9rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: 'OpenDyslexic', Arial, sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    margin-bottom: 0.5rem;
    background-color: var(--neutral-light);
}

.form-group input:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 140, 122, 0.3);
}

/* Buton Stilleri */
.btn {
    padding: 0.9rem 1.8rem;
    border-radius: var(--border-radius);
    border: none;
    font-family: 'OpenDyslexic', Arial, sans-serif;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin: 0.8rem 0;
    display: block;
    text-align: center;
    text-decoration: none;
    box-sizing: border-box;
}

.btn-giris {
    background-color: var(--accent-color);
    color: var(--text-light);
}

.btn-giris:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
}

.btn-kayit {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.btn-kayit:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-admin {
    background-color: var(--primary-dark);
    color: var(--text-light);
}

.btn-admin:hover {
    background-color: var(--neutral-dark);
    transform: translateY(-2px);
}

/* Footer Stilleri */
.site-footer {
    background-color: var(--neutral-dark);
    color: var(--neutral-mid);
    padding: 2rem 0 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.footer-section h3 {
    color: var(--text-light);
    margin-bottom: 1.2rem;
    font-size: 1.2rem;
}

.footer-bottom {
    text-align: center;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.2);
    font-size: 0.9rem;
}

/* Responsive Düzen */
@media (max-width: 768px) {
    .girisyap {
        padding: 1.8rem;
        margin: 2rem auto;
    }
    
    .top-bar {
        font-size: 1.3rem;
        padding: 1.2rem;
    }
    
    .footer-section {
        flex: 100%;
        text-align: center;
    }
}

/* Erişilebilirlik */
a:focus, button:focus, input:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Error Mesajı */
.error-message {
    background-color: #ffebee;
    border-left: 4px solid #f44336;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.error-message ul {
    margin: 0;
    padding-left: 20px;
}

.error-message li {
    color: #d32f2f;
    margin-bottom: 5px;
}