/* Genel Stiller */
body {
    background: linear-gradient(135deg, #f6f9fc 0%, #ffffff 100%);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Header Stiller */
.main-header {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 0.5rem 0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.04);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-right: 1.5rem;
    border-right: 1px solid rgba(0, 0, 0, 0.1);
}

.logo-img {
    width: auto;
    height: 75px;
    object-fit: contain;
}

.institution-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.institution-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a237e;
    margin: 0;
    line-height: 1.2;
}

.system-name {
    font-size: 0.85rem;
    color: #666;
    font-weight: 400;
    margin: 0;
}

/* Responsive Header */
@media (max-width: 768px) {
    .logo-section {
        padding-right: 1rem;
    }

    .institution-name {
        font-size: 1.1rem;
    }

    .system-name {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .logo-img {
        height: 40px;
    }

    .institution-name {
        font-size: 1rem;
    }
}

/* Yönlendir Butonu Stili */
.btn-submit {
    align-self: flex-end;
    padding: 0.75rem 2.5rem;
    background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
    color: white;
    border: none;
    border-radius: 30px;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.2);
    position: relative;
    overflow: hidden;
}

    .btn-submit i {
        font-size: 0.9rem;
        transition: transform 0.3s ease;
    }

    .btn-submit:hover {
        background: linear-gradient(135deg, #283593 0%, #1a237e 100%);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(26, 35, 126, 0.3);
    }

        .btn-submit:hover i {
            transform: translateX(3px);
        }

    .btn-submit::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
        transform: translateX(-100%);
    }

    .btn-submit:hover::before {
        animation: shine 1.5s ease-out infinite;
    }

@keyframes shine {
    to {
        transform: translateX(100%);
    }
}

/* Footer Stiller */
.main-footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    padding: 1.5rem 0;
    margin-top: 4rem;
}

    .main-footer p {
        color: #666;
        margin: 0;
    }