:root {
    --primary-color: #4776E6;
    --primary-light: #e8f0ff;
    --secondary-color: #FF5E62; /* Currently unused but kept for potential future use or consistency */
    --text-color: #444;
    --bg-color: #f7f9fc; /* Currently unused but kept for potential future use or consistency */
    --card-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito', sans-serif;
    background: linear-gradient(125deg, #4776E6 0%, #8E54E9 100%);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

/* YÜKLEME EKRANI STILLERİ */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: #f7f9fc; /* Arka plan rengini istediğiniz gibi ayarlayın */
    z-index: 10000; /* Tüm içeriğin üzerinde olmasını sağlar */
    opacity: 1;
    visibility: visible;
    /* GEÇİŞ SÜRESİ 0.5s'den 0.7s'ye ÇIKARILDI */
    transition: opacity 0.7s ease, visibility 0s 0.7s; /* Yükleme ekranının kaybolma animasyonu */
    display: flex; /* İçeriği ortalamak için */
    justify-content: center; /* İçeriği yatayda ortala */
    align-items: center; /* İçeriği dikeyde ortala */
    flex-direction: column; /* İçeriği dikey sırala */
    color: var(--primary-color); /* Yükleniyor yazısının rengi */
}

.loading-hidden {
    opacity: 0 !important;
    pointer-events: none; /* Gizlendiğinde tıklamaları engeller */
    visibility: hidden !important;
    transition-delay: 0s !important; /* Gizlenme animasyonunu gecikmesiz başlat */
}

/* İçeriği başlangıçta gizle, JS ile göstereceğiz */
#content {
    opacity: 0;
    visibility: hidden;
    /* GEÇİŞ SÜRESİ 0.5s'den 0.7s'ye ÇIKARILDI */
    transition: opacity 0.7s ease; /* İçeriğin görünür olma animasyonu */
    display: flex; /* HTML'deki d-flex, flex-column ile uyumlu */
    flex-direction: column;
    min-height: 100vh; /* İçeriğin en az viewport yüksekliğinde olmasını sağlar */
}

.content-visible {
    opacity: 1 !important;
    visibility: visible !important;
}

/* Bootstrap spinner renk ve boyutunu ayarlayabilirsiniz */
.spinner-border.text-primary {
    color: var(--primary-color) !important; /* Spinner rengi */
}


/* Matematik sembolleri arka planı */
.math-symbols {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.math-symbols span {
    position: absolute;
    color: rgba(255, 255, 255, 0.7);
    opacity: 0.5;
    font-weight: 300;
    pointer-events: none;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* Ana içerik konteyner */
.container {
    position: relative;
    z-index: 1;
    padding: 30px 15px;
    flex: 1;
}

.auth-container {
    background-color: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    position: relative;
}

/* Sol bölüm - Bilgi Alanı */
.info-section {
    background: linear-gradient(135deg, var(--primary-color), #8E54E9);
    color: white;
    height: 100%;
    padding: 50px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.app-logo {
    margin-bottom: 40px;
}

.app-logo i {
    font-size: 3rem;
    margin-bottom: 15px;
}

.app-logo h2 {
    font-weight: 800;
    font-size: 1.8rem;
}

.info-section h3 {
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.info-section p {
    opacity: 0.9;
    margin-bottom: 30px;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    transition: var(--transition);
}

.feature:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.feature i {
    font-size: 1.5rem;
}

.feature span {
    font-weight: 600;
}

/* Sağ bölüm - Form Alanı */
.auth-forms {
    padding: 40px;
}

.btn-toggle {
    background: none;
    border: none;
    padding: 10px 15px;
    font-weight: 600;
    color: #666;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    font-size: 1.1rem;
}

.btn-toggle.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.separator {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 30px 0;
}

.separator .line {
    flex: 1;
    height: 1px;
    background-color: #ddd;
}

.separator p {
    margin: 0 15px;
    color: #888;
    font-weight: 500;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-label {
    font-weight: 600;
    color: #444;
    margin-bottom: 8px;
}

.input-group-text {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border: 1px solid #dae0e5;
}

.form-control {
    border: 1px solid #dae0e5;
    padding: 12px 15px;
    height: auto;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(71, 118, 230, 0.25);
    border-color: var(--primary-color);
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-color), #8E54E9);
    border: none;
    padding: 12px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    background: linear-gradient(to right, #3b62c5, #7d49d0);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Site Kodu Durum Göstergesi Stilleri */
.site-code-status-indicator {
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid transparent;
    font-size: 0.9rem;
}

.site-code-status-indicator:hover {
    opacity: 0.9;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.site-code-status-indicator .status-text {
    flex-grow: 1;
    margin-right: 10px;
}

.site-code-status-indicator .status-icon {
    font-size: 1.2rem;
}

/* Başarılı (Doğru Kod) */
.site-code-status-indicator.success {
    background-color: #e6ffed;
    color: #388e3c;
    border-color: #a5d6a7;
}

/* Başarısız (Yanlış Kod) */
.site-code-status-indicator.error {
    background-color: #ffebee;
    color: #d32f2f;
    border-color: #ef9a9a;
}
/* Mesaj stilleri */
.message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.message.error {
    background-color: rgba(255, 0, 0, 0.1);
    color: #d32f2f;
}

.message.success {
    background-color: rgba(0, 255, 0, 0.1);
    color: #388e3c;
}

/* Modal stillerş */
.modal-content {
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    border: none;
}

.modal-header {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.modal-title {
    font-weight: 700;
}

.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-secondary:hover {
    background-color: #5a5a5a;
    border-color: #5a5a5a;
}

/* Password Toggle Button */
.password-toggle {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    padding: 0.375rem 0.75rem;
    color: var(--primary-color);
    background-color: #fff;
    border-color: #ced4da;
}

.password-toggle:hover, 
.password-toggle:focus {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-color: #ced4da;
}

/* Responsive ayarlamalar */
@media (max-width: 992px) {
    .info-section {
        padding: 30px 20px;
    }
    
    .auth-forms {
        padding: 30px;
    }
    
    .app-logo i {
        font-size: 2.5rem;
    }
    
    .app-logo h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .auth-container {
        margin: 0;
    }
    
    .auth-forms {
        padding: 20px;
    }
    
    .btn-toggle {
        font-size: 1rem;
        padding: 8px 12px;
    }
    
    .feature {
        padding: 12px;
    }
    
    .feature i {
        font-size: 1.2rem;
    }
}

/* Gizlilik Sözleşmesi Modal Stilleri */
.privacy-policy-content {
    padding: 20px;
    max-height: 70vh;
    overflow-y: auto;
}

.privacy-policy-content h4 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.privacy-policy-content h5 {
    color: var(--text-color);
    margin: 20px 0 10px;
    font-weight: 600;
}

.privacy-policy-content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.privacy-policy-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.privacy-policy-content li {
    margin-bottom: 8px;
    line-height: 1.5;
}

#privacy-policy-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

#privacy-policy-link:hover {
    text-decoration: underline;
}

/* Modal genişliği için özel stil */
#privacy-policy-modal .modal-dialog {
    max-width: 800px;
}